[DO NOT MERGE] try changing UAVCAN default timer to 6

commander: fix incorrect return in set_link_loss_nav_state()
If both local position and altitude were not valid, then both RC loss and datalink loss would not trigger any failsafe at all, independently from the configured action.
2026-05-28 23:30:06 +08:00 · 2022-05-06 10:29:14 -04:00 · 2022-05-06 10:14:13 -04:00 · 2022-05-06 10:13:30 -04:00 · 2022-05-06 10:10:59 -04:00 · 2022-05-06 10:09:14 -04:00
670 changed files with 76486 additions and 10990 deletions
@@ -28,7 +28,7 @@ pipeline {
          ]

          def base_builds = [
-            target: ["px4_sitl_rtps"],
+            target: ["px4_sitl_default"],
            image: docker_images.base,
            archive: false
          ]
@@ -52,12 +52,14 @@ pipeline {
                     "cuav_x7pro_default",
                     "cubepilot_cubeorange_default",
                     "cubepilot_cubeyellow_default",
+                     "diatone_mamba-f405-mk2_default",
                     "freefly_can-rtk-gps_canbootloader",
                     "freefly_can-rtk-gps_default",
                     "holybro_can-gps-v1_canbootloader",
                     "holybro_can-gps-v1_default",
                     "holybro_durandal-v1_default",
                     "holybro_kakutef7_default",
+                     "holybro_kakuteh7_default",
                     "holybro_pix32v5_default",
                     "matek_h743-slim",
                     "matek_gnss-m9n-f4_canbootloader",
@@ -90,6 +92,7 @@ pipeline {
                     "px4_fmu-v2_fixedwing",
                     "px4_fmu-v2_multicopter",
                     "px4_fmu-v2_rover",
+                     "px4_fmu-v2_lto",
                     "px4_fmu-v3_default",
                     "px4_fmu-v4_default",
                     "px4_fmu-v4pro_default",
@@ -99,10 +102,12 @@ pipeline {
                     "px4_fmu-v5_stackcheck",
                     "px4_fmu-v5_uavcanv0periph",
                     "px4_fmu-v5_uavcanv1",
+                     "px4_fmu-v5_lto",
                     "px4_fmu-v5x_default",
                     "px4_fmu-v6u_default",
                     "px4_fmu-v6x_default",
                     "px4_io-v2_default",
+                     "sky-drones_smartap-airlink_default",
                     "spracing_h7extreme_default",
                     "uvify_core_default"
            ],
@@ -705,18 +705,21 @@ void quickCalibrate() {

  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "gyro_calibration status || true"'

-  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "commander calibrate accel quick"'
+  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "commander calibrate accel quick; sleep 1"'
  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "param show CAL_ACC*"'

-  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "commander calibrate gyro"'
+  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "commander calibrate gyro; sleep 2"'
  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "param show CAL_GYRO*"'

-  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "commander calibrate level"'
+  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "commander calibrate level; sleep 2"'
  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "param show SENS*"'

-  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "commander calibrate mag quick"'
+  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "commander calibrate mag quick; sleep 1"'
  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "param show CAL_MAG*"'

+  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "commander calibrate baro; sleep 5"'
+  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "param show CAL_BARO*"'
+
  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "param show CAL_*"' // parameters after
  sh './Tools/HIL/run_nsh_cmd.py --device `find /dev/serial -name *usb-*` --cmd "sensors status"'
 }
@@ -20,6 +20,7 @@ jobs:
          ark_can-flow,
          ark_can-gps,
          ark_can-rtk-gps,
+          ark_cannode,
          atl_mantis-edu,
          av_x-v1,
          bitcraze_crazyflie,
@@ -29,6 +30,7 @@ jobs:
          cuav_x7pro,
          cubepilot_cubeorange,
          cubepilot_cubeyellow,
+          diatone_mamba-f405-mk2,
          freefly_can-rtk-gps,
          holybro_can-gps-v1,
          holybro_durandal-v1,
@@ -60,6 +62,7 @@ jobs:
          px4_fmu-v5x,
          px4_fmu-v6u,
          px4_fmu-v6x,
+          sky-drones_smartap-airlink,
          spracing_h7extreme,
          uvify_core
          ]
@@ -29,9 +29,9 @@ jobs:
        token: ${{ secrets.ACCESS_TOKEN }}

    - name: Download MAVSDK
-      run: wget "https://github.com/mavlink/MAVSDK/releases/download/v$(cat test/mavsdk_tests/MAVSDK_VERSION)/mavsdk_$(cat test/mavsdk_tests/MAVSDK_VERSION)_ubuntu20.04_amd64.deb"
+      run: wget "https://github.com/mavlink/MAVSDK/releases/download/v$(cat test/mavsdk_tests/MAVSDK_VERSION)/libmavsdk-dev_$(cat test/mavsdk_tests/MAVSDK_VERSION)_ubuntu20.04_amd64.deb"
    - name: Install MAVSDK
-      run: dpkg -i "mavsdk_$(cat test/mavsdk_tests/MAVSDK_VERSION)_ubuntu20.04_amd64.deb"
+      run: dpkg -i "libmavsdk-dev_$(cat test/mavsdk_tests/MAVSDK_VERSION)_ubuntu20.04_amd64.deb"

    - name: Prepare ccache timestamp
      id: ccache_cache_timestamp
@@ -64,3 +64,6 @@
 	path = src/lib/crypto/libtommath
 	url = https://github.com/PX4/libtommath.git
 	branch = px4
+[submodule "src/modules/microdds_client/Micro-XRCE-DDS-Client"]
+	path = src/modules/microdds_client/Micro-XRCE-DDS-Client
+	url = https://github.com/eProsima/Micro-XRCE-DDS-Client.git
@@ -121,6 +121,16 @@ CONFIG:
      buildType: MinSizeRel
      settings:
        CONFIG: ark_can-rtk-gps_canbootloader
+    ark_cannode_default:
+      short: ark_cannode_default
+      buildType: MinSizeRel
+      settings:
+        CONFIG: ark_cannode_default
+    ark_cannode_canbootloader:
+      short: ark_cannode_canbootloader
+      buildType: MinSizeRel
+      settings:
+        CONFIG: ark_cannode_canbootloader
    atl_mantis-edu_default:
      short: atl_mantis-edu
      buildType: MinSizeRel
@@ -99,7 +99,7 @@
 #
 #=============================================================================

-cmake_minimum_required(VERSION 3.2 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.9 FATAL_ERROR)

 set(PX4_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}" CACHE FILEPATH "PX4 source directory" FORCE)
 set(PX4_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}" CACHE FILEPATH "PX4 binary directory" FORCE)
@@ -234,6 +234,14 @@ message(STATUS "cmake build type: ${CMAKE_BUILD_TYPE}")
 #
 project(px4 CXX C ASM)

+# Check if LTO option and check if toolchain supports it
+if(LTO)
+    include(CheckIPOSupported)
+    check_ipo_supported()
+    message(AUTHOR_WARNING "LTO enabled: LTO is highly experimental and should not be used in production")
+    set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+endif()
+
 set(package-contact "px4users@googlegroups.com")

 set(CMAKE_CXX_STANDARD 14)
@@ -51,6 +51,13 @@ menu "Toolchain"
        string "Architecture"
        default ""

+    config BOARD_LTO
+        bool "(EXPERIMENTAL) Link Time Optimization (LTO)"
+        default n
+        help
+            Enables LTO flag in linker
+            Note: Highly EXPERIMENTAL, furthermore make sure you're using a modern compiler GCC 9 or later
+
    config BOARD_FULL_OPTIMIZATION
        bool "Full optmization (O3)"
        default n
@@ -330,7 +330,7 @@ px4io_update: px4_io-v2_default cubepilot_io-v2_default
 	cp build/cubepilot_io-v2_default/cubepilot_io-v2_default.bin boards/cubepilot/cubeyellow/extras/cubepilot_io-v2_default.bin
 	git status

-bootloaders_update: cuav_nora_bootloader cuav_x7pro_bootloader cubepilot_cubeorange_bootloader holybro_durandal-v1_bootloader matek_h743-slim_bootloader modalai_fc-v2_bootloader mro_ctrl-zero-h7_bootloader mro_ctrl-zero-h7-oem_bootloader mro_pixracerpro_bootloader px4_fmu-v6u_bootloader px4_fmu-v6x_bootloader
+bootloaders_update: cuav_nora_bootloader cuav_x7pro_bootloader cubepilot_cubeorange_bootloader holybro_durandal-v1_bootloader matek_h743-slim_bootloader modalai_fc-v2_bootloader mro_ctrl-zero-classic_bootloader mro_ctrl-zero-h7_bootloader mro_ctrl-zero-h7-oem_bootloader mro_pixracerpro_bootloader px4_fmu-v6u_bootloader px4_fmu-v6x_bootloader
 	git status

 .PHONY: coverity_scan
@@ -88,7 +88,7 @@ unset BOARD_RC_SENSORS
 # Check for flow sensor
 if param compare SENS_EN_PX4FLOW 1
 then
-	px4flow start -X
+	px4flow start -X &
 fi

 uavcannode start
@@ -10,6 +10,7 @@
 # enable fusion of landing target velocity
 param set-default LTEST_MODE 1
 param set-default PLD_HACC_RAD 0.1
+param set-default RTL_PLD_MD 2

 # Start up Landing Target Estimator module
 landing_target_estimator start
@@ -25,6 +25,8 @@ param set-default FW_P_LIM_MIN -15
 param set-default FW_RR_FF 0.1
 param set-default FW_RR_P 0.3

+param set-default FW_SPOILERS_LND 0.4
+
 param set-default FW_THR_MAX 0.6
 param set-default FW_THR_MIN 0.05
 param set-default FW_THR_CRUISE 0.25
@@ -71,7 +71,6 @@ param set-default MPC_XY_VEL_I_ACC 4
 param set-default MPC_XY_VEL_D_ACC 0.1

 param set-default NAV_ACC_RAD 5
-param set-default NAV_LOITER_RAD 80

 param set-default VT_FWD_THRUST_EN 4
 param set-default VT_F_TRANS_THR 0.75
@@ -70,7 +70,6 @@ param set-default MPC_XY_VEL_I_ACC 4
 param set-default MPC_XY_VEL_D_ACC 0.1

 param set-default NAV_ACC_RAD 5
-param set-default NAV_LOITER_RAD 80

 param set-default VT_FW_DIFTHR_EN 1
 param set-default VT_FW_DIFTHR_SC 0.5
@@ -82,7 +82,6 @@ param set-default MPC_XY_VEL_I_ACC 4
 param set-default MPC_XY_VEL_D_ACC 0.1

 param set-default NAV_ACC_RAD 5
-param set-default NAV_LOITER_RAD 80

 param set-default VT_B_TRANS_DUR 8
 param set-default VT_FWD_THRUST_EN 4
@@ -38,7 +38,6 @@ param set-default MPC_XY_VEL_I_ACC 4
 param set-default MPC_XY_VEL_D_ACC 0.1

 param set-default NAV_ACC_RAD 5
-param set-default NAV_LOITER_RAD 80

 param set-default VT_FWD_THRUST_EN 4
 param set-default VT_F_TRANS_THR 0.75
@@ -223,6 +223,13 @@ rc_update start
 manual_control start
 sensors start
 commander start
+
+# Configure vehicle type specific parameters.
+# Note: rc.vehicle_setup is the entry point for rc.interface,
+#       rc.fw_apps, rc.mc_apps, rc.rover_apps, and rc.vtol_apps.
+#
+. ${R}etc/init.d/rc.vehicle_setup
+
 navigator start

 # Try to start the micrortps_client with UDP transport if module exists
@@ -252,12 +259,6 @@ then
 	gyro_calibration start
 fi

-# Configure vehicle type specific parameters.
-# Note: rc.vehicle_setup is the entry point for rc.interface,
-#       rc.fw_apps, rc.mc_apps, rc.rover_apps, and rc.vtol_apps.
-#
-. ${R}etc/init.d/rc.vehicle_setup
-
 #user defined mavlink streams for instances can be in PATH
 . px4-rc.mavlink

@@ -49,7 +49,6 @@ param set-default MPC_Z_VEL_MAX_DN 1.5

 param set-default NAV_ACC_RAD 5
 param set-default NAV_DLL_ACT 2
-param set-default NAV_LOITER_RAD 80

 param set-default RTL_DESCEND_ALT 10
 param set-default RTL_RETURN_ALT 30
@@ -7,8 +7,8 @@
 #
 # @output MAIN1 motor 1
 # @output MAIN2 motor 2
-# @output MAIN3 motor 4
-# @output MAIN4 motor 5
+# @output MAIN3 motor 3
+# @output MAIN4 motor 4
 # @output MAIN5 elevon left
 # @output MAIN6 elevon right
 # @output MAIN7 canard surface
@@ -13,7 +13,7 @@

 . ${R}etc/init.d/rc.vtol_defaults

-param set-defualt MAV_TYPE 21
+param set-default MAV_TYPE 21

 param set-default PWM_AUX_DISARM 1000
 param set-default PWM_AUX_MAX 2000
@@ -22,7 +22,7 @@

 . ${R}etc/init.d/rc.vtol_defaults

-param set-defualt MAV_TYPE 21
+param set-default MAV_TYPE 21

 param set-default CBRK_AIRSPD_CHK 162128

@@ -69,4 +69,9 @@ param set-default VT_TYPE 1

 set MIXER vtol_convergence

-set PWM_OUT 1234
+if ! ver hwcmp MATEK_H743
+then
+	set PWM_OUT 1234
+else
+	set PWM_OUT 3456
+fi	
@@ -16,8 +16,6 @@ param set-default MAV_TYPE 1
 param set-default COM_POS_FS_DELAY 5
 param set-default COM_POS_FS_EPH 15
 param set-default COM_POS_FS_EPV 30
-param set-default COM_POS_FS_GAIN 0
-param set-default COM_POS_FS_PROB 1
 param set-default COM_VEL_FS_EVH 5
 # Disable preflight disarm to not interfere with external launching
 param set-default COM_DISARM_PRFLT -1
@@ -83,18 +83,24 @@ then
 	teraranger start -X
 fi

-# Possible external pmw3901 optical flow sensor
-if param greater -s SENS_EN_PMW3901 0
+# paa3905 optical flow sensor (external SPI)
+if param greater -s SENS_EN_PAA3905 0
 then
-	pmw3901 -S start
+	paa3905 -S start
 fi

-# Possible external paw3902 optical flow sensor
+# paw3902 optical flow sensor (external SPI)
 if param greater -s SENS_EN_PAW3902 0
 then
 	paw3902 -S start
 fi

+# pmw3901 optical flow sensor (external SPI)
+if param greater -s SENS_EN_PMW3901 0
+then
+	pmw3901 -S start
+fi
+
 # vl53l1x i2c distance sensor
 if param compare -s SENS_EN_VL53L1X 1
 then
@@ -123,13 +129,31 @@ fi
 # Sensirion SDP3X differential pressure sensor external I2C
 if param compare -s SENS_EN_SDP3X 1
 then
-	if ! sdp3x_airspeed start -X
+	if ! sdp3x start -X
 	then
 		# try another common address
-		sdp3x_airspeed start -X -a 0x22
+		sdp3x start -X -a 0x22
 	fi
 fi

+# TE MS4515 differential pressure sensor external I2C
+if param compare -s SENS_EN_MS4515 1
+then
+	ms4515 start -X
+fi
+
+# TE MS4525DO differential pressure sensor external I2C
+if param compare -s SENS_EN_MS4525DO 1
+then
+	ms4525do start -X
+fi
+
+# TE MS5525DSO differential pressure sensor external I2C
+if param compare -s SENS_EN_MS5525DS 1
+then
+	ms5525dso start -X
+fi
+
 # SHT3x temperature and hygrometer sensor, external I2C
 if param compare -s SENS_EN_SHT3X 1
 then
@@ -137,18 +161,6 @@ then
 	sht3x start -X -a 0x45
 fi

-# TE MS4525 differential pressure sensor external I2C
-if param compare -s SENS_EN_MS4525 1
-then
-	ms4525_airspeed start -X
-fi
-
-# TE MS5525 differential pressure sensor external I2C
-if param compare -s SENS_EN_MS5525 1
-then
-	ms5525_airspeed start -X
-fi
-
 # IR-LOCK sensor external I2C
 if param compare -s SENS_EN_IRLOCK 1
 then
@@ -186,9 +198,3 @@ then
 	# start last (wait for possible icm20948 passthrough mode)
 	ak09916 -X -q start
 fi
-
-###############################################################################
-#                            End Optional drivers                             #
-###############################################################################
-
-sensors start
@@ -7,7 +7,7 @@

 set VEHICLE_TYPE vtol

-# MAV_TYPE_VTOL_RESERVED2 22
+# MAV_TYPE_VTOL_FIXEDROTOR 22
 param set-default MAV_TYPE 22

 param set-default MIS_TAKEOFF_ALT 20
@@ -405,9 +405,17 @@ else
 			battery_status start
 		fi

+		sensors start
 		commander start
 	fi

+	#
+	# Configure vehicle type specific parameters.
+	# Note: rc.vehicle_setup is the entry point for rc.interface,
+	#       rc.fw_apps, rc.mc_apps, rc.rover_apps, and rc.vtol_apps.
+	#
+	. ${R}etc/init.d/rc.vehicle_setup
+
 	# Pre-takeoff continuous magnetometer calibration
 	if param compare -s MBE_ENABLE 1
 	then
@@ -458,13 +466,6 @@ else
 		fi
 	fi

-	#
-	# Configure vehicle type specific parameters.
-	# Note: rc.vehicle_setup is the entry point for rc.interface,
-	#       rc.fw_apps, rc.mc_apps, rc.rover_apps, and rc.vtol_apps.
-	#
-	. ${R}etc/init.d/rc.vehicle_setup
-
 	#
 	# Play the startup tune (if not disabled or there is an error)
 	#
@@ -492,12 +493,6 @@ else
 		gimbal start
 	fi

-	# Check for flow sensor
-	if param compare -s SENS_EN_PX4FLOW 1
-	then
-		px4flow start -X
-	fi
-
 	# Blacksheep telemetry
 	if param compare -s TEL_BST_EN 1
 	then
@@ -514,6 +509,12 @@ else
 		gyro_calibration start
 	fi

+	# Check for px4flow sensor
+	if param compare -s SENS_EN_PX4FLOW 1
+	then
+		px4flow start -X &
+	fi
+
 	#
 	# Optional board supplied extras: rc.board_extras
 	#
@@ -21,14 +21,16 @@ O:      10000  10000      0 -10000  10000
 S: 0 3      0  20000 -10000 -10000  10000

 # mixer for the left aileron
-M: 1
+M: 2
 O:      10000  10000   0 -10000  10000
 S: 0 0  -10000  -10000    0 -10000  10000
+S: 0 5   10000   10000    0 -10000  10000

 # mixer for the right aileron
-M: 1
+M: 2
 O:      10000  10000   0 -10000  10000
 S: 0 0  10000  10000    0 -10000  10000
+S: 0 5  10000  10000    0 -10000  10000

 # mixer for the elevator
 M: 1
@@ -8,22 +8,22 @@ R: 4x
 # tilt servo motor 1
 M: 1
 O:      10000  10000      0 -10000  10000
-S: 1 4      0  20000 -10000 -10000  10000
+S: 1 8      0  20000 -10000 -10000  10000

 # tilt servo motor 2
 M: 1
 O:      10000  10000      0 -10000  10000
-S: 1 4      0  20000 -10000 -10000  10000
+S: 1 8      0  20000 -10000 -10000  10000

 # tilt servo motor 3
 M: 1
 O:      10000  10000      0 -10000  10000
-S: 1 4      0  20000 -10000 -10000  10000
+S: 1 8      0  20000 -10000 -10000  10000

 # tilt servo motor 4
 M: 1
 O:      10000  10000      0 -10000  10000
-S: 1 4      0  20000 -10000 -10000  10000
+S: 1 8      0  20000 -10000 -10000  10000

 # mixer for the left aileron
 M: 1
@@ -10,7 +10,7 @@ to output 4 and the wheel to output 5.
 Inputs to the mixer come from channel group 0 (vehicle attitude), channels 0
 (roll), 1 (pitch), 2 (yaw) and 3 (thrust) 4 (flaps).

-Aileron mixer (roll + flaperon)
+Aileron mixer (roll + spoiler)
 ---------------------------------

 This mixer assumes that the aileron servos are set up correctly mechanically;
@@ -20,11 +20,11 @@ endpoints to suit.

 M: 2
 S: 0 0  10000  10000      0 -10000  10000
-S: 0 6  10000  10000      0 -10000  10000
+S: 0 5  10000  10000      0 -10000  10000

 M: 2
 S: 0 0  10000  10000      0 -10000  10000
-S: 0 6 -10000 -10000      0 -10000  10000
+S: 0 5 -10000 -10000      0 -10000  10000

 Elevator mixer
 ------------
@@ -11,7 +11,7 @@ to output 4, the wheel to output 5 and the flaps to output 6 and 7.
 Inputs to the mixer come from channel group 0 (vehicle attitude), channels 0
 (roll), 1 (pitch), 2 (yaw) and 3 (thrust) 4 (flaps) 6 (flaperon).

-Aileron mixer (roll + flaperon)
+Aileron mixer (roll + spoiler)
 ---------------------------------

 This mixer assumes that the aileron servos are set up correctly mechanically;
@@ -21,11 +21,11 @@ endpoints to suit.

 M: 2
 S: 0 0  10000  10000      0 -10000  10000
-S: 0 6  10000  10000      0 -10000  10000
+S: 0 5  10000  10000      0 -10000  10000

 M: 2
 S: 0 0  10000  10000      0 -10000  10000
-S: 0 6 -10000 -10000      0 -10000  10000
+S: 0 5 -10000 -10000      0 -10000  10000

 V-tail mixers
 -------------
@@ -9,20 +9,20 @@ output 0 and 1, the tail servos to output 2 and 3, the throttle
 to output 4, the wheel to output 5 and the flaps to output 6 and 7.

 Inputs to the mixer come from channel group 0 (vehicle attitude), channels 0
-(roll), 1 (pitch), 2 (yaw) and 3 (thrust) 4 (flaps) 6 (flaperon).
+(roll), 1 (pitch), 2 (yaw), 3 (thrust) 4 (flaps), 5 (spoiler).

-Aileron mixer (roll + flaperon)
+Aileron mixer (roll + spoiler)
 ---------------------------------

 This mixer assumes that the aileron servos are set up mechanically reversed.

 M: 2
 S: 0 0 -10000 -10000      0 -10000  10000
-S: 0 6  10000  10000      0 -10000  10000
+S: 0 5  10000  10000      0 -10000  10000

 M: 2
 S: 0 0 -10000 -10000      0 -10000  10000
-S: 0 6 -10000 -10000      0 -10000  10000
+S: 0 5 -10000 -10000      0 -10000  10000

 V-tail mixers
 -------------
@@ -10,7 +10,7 @@ Tilt mechanism servo mixer
 M: 1


-S: 1 4  10000  10000      0 -10000  10000
+S: 1 8  10000  10000      0 -10000  10000



@@ -6,7 +6,7 @@
 Tilt mechanism servo mixer
 ---------------------------
 M: 1
-S: 1 4      0  20000 -10000 -10000  10000
+S: 1 8      0  20000 -10000 -10000  10000

 Elevon mixers
 -------------
@@ -5,14 +5,14 @@ Aileron/v-tail/throttle VTOL mixer for PX4FMU

 This file defines mixers suitable for controlling a fixed wing aircraft with
 aileron, v-tail (rudder, elevator) and throttle using PX4FMU.
-The configuration assumes the aileron servos are connected to PX4FMU 
+The configuration assumes the aileron servos are connected to PX4FMU
 AUX servo output 0 and 1, the tail servos to output 2 and 3, the throttle
 to output 4.

 Inputs to the mixer come from channel group 0 (vehicle attitude), channels 0
 (roll), 1 (pitch), 2 (yaw) and 3 (thrust) 4 (flaps) 6 (flaperon).

-Aileron mixer (roll + flaperon)
+Aileron mixer (roll + spoiler)
 ---------------------------------

 This mixer assumes that the aileron servos are set up correctly mechanically;
@@ -22,11 +22,11 @@ endpoints to suit.

 M: 2
 S: 1 0 -10000 -10000      0 -10000  10000
-S: 1 6  10000  10000      0 -10000  10000
+S: 1 5  10000  10000      0 -10000  10000

 M: 2
 S: 1 0 -10000 -10000      0 -10000  10000
-S: 1 6 -10000 -10000      0 -10000  10000
+S: 1 5 -10000 -10000      0 -10000  10000


 V-tail mixers
@@ -6,19 +6,19 @@
 ---------------------------
 # front left up:2000 down:1000
 M: 1
-S: 1 4      0 -20000  10000 -10000  10000
+S: 1 8      0 -20000  10000 -10000  10000

 # front right up:1000 down:2000
 M: 1
-S: 1 4      0  20000 -10000 -10000  10000
+S: 1 8      0  20000 -10000 -10000  10000

 # rear left up:2000 down:1000
 M: 1
-S: 1 4      0 -20000  10000 -10000  10000
+S: 1 8      0 -20000  10000 -10000  10000

 # rear right up:1000 down:2000
 M: 1
-S: 1 4      0  20000 -10000 -10000  10000
+S: 1 8      0  20000 -10000 -10000  10000


 # Aileron mixer
@@ -10,12 +10,12 @@ Tilt mechanism servo mixer
 ---------------------------
 #RIGHT up:2000 down:1000
 M: 2
-S: 1 4      0 -20000  10000 -10000  10000
+S: 1 8      0 -20000  10000 -10000  10000
 S: 0 2   8000   8000      0 -10000  10000

 #LEFT up:1000 down:2000
 M: 2
-S: 1 4      0  20000 -10000 -10000  10000
+S: 1 8      0  20000 -10000 -10000  10000
 S: 0 2   8000   8000      0 -10000  10000

 Elevon mixers
@@ -16,15 +16,15 @@ if board_adc start
 then
 fi

-if sdp3x_airspeed start -X
+if sdp3x start -X
 then
 fi

-if ms5525_airspeed start -X
+if ms5525dso start -X
 then
 fi

-if ms4525_airspeed start -X
+if ms4525do start -X
 then
 fi

@@ -10,7 +10,7 @@ to output 4 and the wheel to output 5.
 Inputs to the mixer come from channel group 0 (vehicle attitude), channels 0
 (roll), 1 (pitch), 2 (yaw) and 3 (thrust) 4 (flaps).

-Aileron mixer (roll + flaperon)
+Aileron mixer (roll + spoiler)
 ---------------------------------

 This mixer assumes that the aileron servos are set up correctly mechanically;
@@ -21,12 +21,12 @@ endpoints to suit.
 M: 2
 O:      10000  10000      0 -10000  10000
 S: 0 0  10000  10000      0 -10000  10000
-S: 0 6  10000  10000      0 -10000  10000
+S: 0 5  10000  10000      0 -10000  10000

 M: 2
 O:      10000  10000      0 -10000  10000
 S: 0 0  10000  10000      0 -10000  10000
-S: 0 6 -10000 -10000      0 -10000  10000
+S: 0 5 -10000 -10000      0 -10000  10000

 Elevator mixer
 ------------
@@ -9,9 +9,9 @@ output 0 and 1, the tail servos to output 2 and 3, the throttle
 to output 4, the wheel to output 5 and the flaps to output 6 and 7.

 Inputs to the mixer come from channel group 0 (vehicle attitude), channels 0
-(roll), 1 (pitch), 2 (yaw) and 3 (thrust) 4 (flaps) 6 (flaperon).
+(roll), 1 (pitch), 2 (yaw) and 3 (thrust) 4 (flaps) 5 (spoiler).

-Aileron mixer (roll + flaperon)
+Aileron mixer (roll + spoiler)
 ---------------------------------

 This mixer assumes that the aileron servos are set up correctly mechanically;
@@ -22,12 +22,12 @@ endpoints to suit.
 M: 2
 O:      10000  10000      0 -10000  10000
 S: 0 0  10000  10000      0 -10000  10000
-S: 0 6  10000  10000      0 -10000  10000
+S: 0 5  10000  10000      0 -10000  10000

 M: 2
 O:      10000  10000      0 -10000  10000
 S: 0 0  10000  10000      0 -10000  10000
-S: 0 6 -10000 -10000      0 -10000  10000
+S: 0 5 -10000 -10000      0 -10000  10000

 V-tail mixers
 -------------
@@ -10,13 +10,13 @@ Tilt mechanism servo mixer
 #RIGHT up:2000 down:1000
 M: 2
 O:      10000  10000      0 -10000  10000
-S: 1 4      0 -20000   9000 -10000  10000
+S: 1 8      0 -20000   9000 -10000  10000
 S: 0 2   4000   4000      0 -10000  10000

 #LEFT up:1000 down:2000
 M: 2
 O:      10000  10000      0 -10000  10000
-S: 1 4      0  20000  -10000 -10000  10000
+S: 1 8      0  20000  -10000 -10000  10000
 S: 0 2   4000   4000      0 -10000  10000

 Elevon mixers
@@ -3,14 +3,14 @@ Aileron/v-tail/throttle VTOL mixer for PX4FMU

 This file defines mixers suitable for controlling a fixed wing aircraft with
 aileron, v-tail (rudder, elevator) and throttle using PX4FMU.
-The configuration assumes the aileron servos are connected to PX4FMU 
+The configuration assumes the aileron servos are connected to PX4FMU
 AUX servo output 0 and 1, the tail servos to output 2 and 3, the throttle
 to output 4.

 Inputs to the mixer come from channel group 0 (vehicle attitude), channels 0
-(roll), 1 (pitch), 2 (yaw) and 3 (thrust) 4 (flaps) 6 (flaperon).
+(roll), 1 (pitch), 2 (yaw) and 3 (thrust) 4 (flaps) 5 (spoiler).

-Aileron mixer (roll + flaperon)
+Aileron mixer (roll + spoiler)
 ---------------------------------

 This mixer assumes that the aileron servos are set up correctly mechanically;
@@ -21,12 +21,12 @@ endpoints to suit.
 M: 2
 O:      10000  10000      0 -10000  10000
 S: 1 0  10000  10000      0 -10000  10000
-S: 1 6  10000  10000      0 -10000  10000
+S: 1 5  10000  10000      0 -10000  10000

 M: 2
 O:      10000  10000      0 -10000  10000
 S: 1 0  10000  10000      0 -10000  10000
-S: 1 6 -10000 -10000      0 -10000  10000
+S: 1 5 -10000 -10000      0 -10000  10000


 V-tail mixers
@@ -10,13 +10,13 @@ Tilt mechanism servo mixer
 #RIGHT up:2000 down:1000
 M: 2
 O:      10000  10000      0 -10000  10000
-S: 1 4      0 -20000  10000 -10000  10000
+S: 1 8      0 -20000  10000 -10000  10000
 S: 0 2   8000   8000      0 -10000  10000

 #LEFT up:1000 down:2000
 M: 2
 O:      10000  10000      0 -10000  10000
-S: 1 4      0  20000 -10000 -10000  10000
+S: 1 8      0  20000 -10000 -10000  10000
 S: 0 2   8000   8000      0 -10000  10000

 Elevon mixers
@@ -27,4 +27,5 @@ exec find boards msg src platforms test \
    -path src/lib/crypto/monocypher -prune -o \
    -path src/lib/crypto/libtomcrypt -prune -o \
    -path src/lib/crypto/libtommath -prune -o \
+    -path src/modules/microdds_client/Micro-XRCE-DDS-Client -prune -o \
    -type f \( -name "*.c" -o -name "*.h" -o -name "*.cpp" -o -name "*.hpp" \) | grep $PATTERN
@@ -55,7 +55,7 @@ def perform_imu_checks(

    # perform the vibration check
    imu_status['imu_vibration_check'] = 'Pass'
-    for imu_vibr_metric in ['imu_coning', 'imu_hfdang', 'imu_hfdvel']:
+    for imu_vibr_metric in ['imu_coning', 'imu_hfgyro', 'imu_hfaccel']:
        mean_metric = '{:s}_mean'.format(imu_vibr_metric)
        peak_metric = '{:s}_peak'.format(imu_vibr_metric)
        if imu_metrics[mean_metric] > check_levels['{:s}_warn'.format(mean_metric)] \
@@ -144,17 +144,27 @@ def calculate_imu_metrics(ulog: ULog, multi_instance, in_air_no_ground_effects:
        imu_metrics[result] = calculate_stat_from_signal(
            estimator_status_data, 'estimator_status', signal, in_air_no_ground_effects, np.median)

+
    # calculates peak and mean for IMU vibration checks
-    for signal, result in [('vibe[0]', 'imu_coning'),
-                           ('vibe[1]', 'imu_hfdang'),
-                           ('vibe[2]', 'imu_hfdvel')]:
-        peak = calculate_stat_from_signal(
-            estimator_status_data, 'estimator_status', signal, in_air_no_ground_effects, np.amax)
-        if peak > 0.0:
-            imu_metrics['{:s}_peak'.format(result)] = peak
-            imu_metrics['{:s}_mean'.format(result)] = calculate_stat_from_signal(
-                estimator_status_data, 'estimator_status', signal,
-                in_air_no_ground_effects, np.mean)
+    for imu_status_instance in range(4):
+        try:
+            vehicle_imu_status_data = ulog.get_dataset('vehicle_imu_status', imu_status_instance).data
+
+            if vehicle_imu_status_data['accel_device_id'][0] == estimator_status_data['accel_device_id'][0]:
+
+                for signal, result in [('delta_angle_coning_metric', 'imu_coning'),
+                                       ('gyro_vibration_metric', 'imu_hfgyro'),
+                                       ('accel_vibration_metric', 'imu_hfaccel')]:
+
+                    peak = calculate_stat_from_signal(vehicle_imu_status_data, 'vehicle_imu_status', signal, in_air_no_ground_effects, np.amax)
+
+                    if peak > 0.0:
+                        imu_metrics['{:s}_peak'.format(result)] = peak
+                        imu_metrics['{:s}_mean'.format(result)] = calculate_stat_from_signal(vehicle_imu_status_data, 'vehicle_imu_status', signal, in_air_no_ground_effects, np.mean)
+
+        except:
+            pass
+

    # IMU bias checks
    estimator_states_data = ulog.get_dataset('estimator_states', multi_instance).data
@@ -48,7 +48,7 @@ for filename in os.listdir(metadata_directory):

 #        # print out the check levels
 #        print('\n'+'The following metadata loaded from '+filename+' were used'+'\n')
-#        val = population_data.get(filename, {}).get('imu_hfdang_mean')
+#        val = population_data.get(filename, {}).get('imu_hfgyro_mean')
 #        print(val)

 # Open pdf file for plotting
@@ -90,10 +90,10 @@ population_results = {
 'ofy_fail_pct_avg':[float('NaN'),'The mean percentage of innovation test fails for the Y axis optical flow sensor'],
 'imu_coning_max_avg':[float('NaN'),'The mean of the maximum in-flight values of the IMU delta angle coning vibration level (mrad)'],
 'imu_coning_mean_avg':[float('NaN'),'The mean of the mean in-flight value of the IMU delta angle coning vibration level (mrad)'],
-'imu_hfdang_max_avg':[float('NaN'),'The mean of the maximum in-flight values of the IMU high frequency delta angle vibration level (mrad)'],
-'imu_hfdang_mean_avg':[float('NaN'),'The mean of the mean in-flight value of the IMU delta high frequency delta angle vibration level (mrad)'],
-'imu_hfdvel_max_avg':[float('NaN'),'The mean of the maximum in-flight values of the IMU high frequency delta velocity vibration level (m/s)'],
-'imu_hfdvel_mean_avg':[float('NaN'),'The mean of the mean in-flight value of the IMU delta high frequency delta velocity vibration level (m/s)'],
+'imu_hfgyro_max_avg':[float('NaN'),'The mean of the maximum in-flight values of the IMU high frequency gyro vibration level (rad/s)'],
+'imu_hfgyro_mean_avg':[float('NaN'),'The mean of the mean in-flight value of the IMU delta high frequency gyro vibration level (rad/s)'],
+'imu_hfaccel_max_avg':[float('NaN'),'The mean of the maximum in-flight values of the IMU high frequency accel vibration level (m/s/s)'],
+'imu_hfaccel_mean_avg':[float('NaN'),'The mean of the mean in-flight value of the IMU delta high frequency accel vibration level (m/s/s)'],
 'obs_ang_median_avg':[float('NaN'),'The mean of the median in-flight value of the output observer angular tracking error magnitude (mrad)'],
 'obs_vel_median_avg':[float('NaN'),'The mean of the median in-flight value of the output observer velocity tracking error magnitude (m/s)'],
 'obs_pos_median_avg':[float('NaN'),'The mean of the median in-flight value of the output observer position tracking error magnitude (m)'],
@@ -360,54 +360,54 @@ if (len(result1) > 0 and len(result2) > 0):
    plt.close(8)

 # IMU high frequency delta angle vibration levels
-temp = np.asarray([population_data[k].get('imu_hfdang_peak') for k in found_keys])
+temp = np.asarray([population_data[k].get('imu_hfgyro_peak') for k in found_keys])
 result1 = 1000.0 * temp[np.isfinite(temp)]
-temp = np.asarray([population_data[k].get('imu_hfdang_mean') for k in found_keys])
+temp = np.asarray([population_data[k].get('imu_hfgyro_mean') for k in found_keys])
 result2 = 1000.0 * temp[np.isfinite(temp)]

 if (len(result1) > 0 and len(result2) > 0):
-    population_results['imu_hfdang_max_avg'][0] = np.mean(result1)
-    population_results['imu_hfdang_mean_avg'][0] = np.mean(result2)
+    population_results['imu_hfgyro_max_avg'][0] = np.mean(result1)
+    population_results['imu_hfgyro_mean_avg'][0] = np.mean(result2)

    plt.figure(9,figsize=(20,13))

    plt.subplot(2,1,1)
    plt.hist(result1)
-    plt.title("Gaussian Histogram - IMU HF Delta Angle Vibration Peak")
-    plt.xlabel("imu_hfdang_max (mrad)")
+    plt.title("Gaussian Histogram - IMU HF Gyroscope Vibration Peak")
+    plt.xlabel("imu_hfgyro_max (rad/s)")
    plt.ylabel("Frequency")

    plt.subplot(2,1,2)
    plt.hist(result2)
-    plt.title("Gaussian Histogram - IMU HF Delta Angle Vibration Mean")
-    plt.xlabel("imu_hfdang_mean (mrad)")
+    plt.title("Gaussian Histogram - IMU HF Gyroscope Vibration Mean")
+    plt.xlabel("imu_hfgyro_mean (rad/s)")
    plt.ylabel("Frequency")

    pp.savefig()
    plt.close(9)

-# IMU high frequency delta velocity vibration levels
-temp = np.asarray([population_data[k].get('imu_hfdvel_peak') for k in found_keys])
+# IMU high frequency accel vibration levels
+temp = np.asarray([population_data[k].get('imu_hfaccel_peak') for k in found_keys])
 result1 = temp[np.isfinite(temp)]
-temp = np.asarray([population_data[k].get('imu_hfdvel_mean') for k in found_keys])
+temp = np.asarray([population_data[k].get('imu_hfaccel_mean') for k in found_keys])
 result2 = temp[np.isfinite(temp)]

 if (len(result1) > 0 and len(result2) > 0):
-    population_results['imu_hfdvel_max_avg'][0] = np.mean(result1)
-    population_results['imu_hfdvel_mean_avg'][0] = np.mean(result2)
+    population_results['imu_hfaccel_max_avg'][0] = np.mean(result1)
+    population_results['imu_hfaccel_mean_avg'][0] = np.mean(result2)

    plt.figure(10,figsize=(20,13))

    plt.subplot(2,1,1)
    plt.hist(result1)
-    plt.title("Gaussian Histogram - IMU HF Delta Velocity Vibration Peak")
-    plt.xlabel("imu_hfdvel_max (m/s)")
+    plt.title("Gaussian Histogram - IMU HF Accelerometer Vibration Peak")
+    plt.xlabel("imu_hfaccel_max (m/s/s)")
    plt.ylabel("Frequency")

    plt.subplot(2,1,2)
    plt.hist(result2)
-    plt.title("Gaussian Histogram - IMU HF Delta Velocity Vibration Mean")
-    plt.xlabel("imu_hfdvel_mean (m/s)")
+    plt.title("Gaussian Histogram - IMU HF Accelerometer Vibration Mean")
+    plt.xlabel("imu_hfaccel_mean (m/s/s)")
    plt.ylabel("Frequency")

    pp.savefig()
@@ -535,12 +535,12 @@ single_log_results = {
 'hgt_sensor_status':['Pass','Height sensor check summary. This sensor data can be sourced from either Baro, GPS, range fidner or external vision system. A Fail result indicates a significant error that caused a significant reduction in vehicle navigation performance was detected. A Warning result indicates that error levels higher than normal were detected but these errors did not significantly impact navigation performance. A Pass result indicates that no amonalies were detected and no further investigation is required'],
 'hgt_test_max':[float('NaN'),'The maximum in-flight value of the height sensor innovation consistency test ratio.'],
 'hgt_test_mean':[float('NaN'),'The mean in-flight value of the height sensor innovation consistency test ratio.'],
-'imu_coning_mean':[float('NaN'),'Mean in-flight value of the IMU delta angle coning vibration metric (rad)'],
-'imu_coning_peak':[float('NaN'),'Peak in-flight value of the IMU delta angle coning vibration metric (rad)'],
-'imu_hfdang_mean':[float('NaN'),'Mean in-flight value of the IMU delta angle high frequency vibration metric (rad)'],
-'imu_hfdang_peak':[float('NaN'),'Peak in-flight value of the IMU delta angle high frequency vibration metric (rad)'],
-'imu_hfdvel_mean':[float('NaN'),'Mean in-flight value of the IMU delta velocity high frequency vibration metric (m/s)'],
-'imu_hfdvel_peak':[float('NaN'),'Peak in-flight value of the IMU delta velocity high frequency vibration metric (m/s)'],
+'imu_coning_mean':[float('NaN'),'Mean in-flight value of the IMU delta angle coning vibration metric (rad^2)'],
+'imu_coning_peak':[float('NaN'),'Peak in-flight value of the IMU delta angle coning vibration metric (rad^2)'],
+'imu_hfgyro_mean':[float('NaN'),'Mean in-flight value of the IMU gyro high frequency vibration metric (rad/s)'],
+'imu_hfgyro_peak':[float('NaN'),'Peak in-flight value of the IMU gyro high frequency vibration metric (rad/s)'],
+'imu_hfaccel_mean':[float('NaN'),'Mean in-flight value of the IMU accel high frequency vibration metric (m/s/s)'],
+'imu_hfaccel_peak':[float('NaN'),'Peak in-flight value of the IMU accel high frequency vibration metric (m/s/s)'],
 'imu_sensor_status':['Pass','IMU sensor check summary. A Fail result indicates a significant error that caused a significant reduction in vehicle navigation performance was detected. A Warning result indicates that error levels higher than normal were detected but these errors did not significantly impact navigation performance. A Pass result indicates that no amonalies were detected and no further investigation is required'],
 'in_air_transition_time':[float('NaN'),'The time in seconds measured from startup that the EKF transtioned into in-air mode. Set to a nan if a transition event is not detected.'],
 'mag_percentage_amber':[float('NaN'),'The percentage of in-flight consolidated magnetic field sensor innovation consistency test values > 0.5.'],
@@ -21,10 +21,10 @@ hagl_amber_warn_pct,5.0
 tas_amber_warn_pct,5.0
 imu_coning_peak_warn,1.8E-5
 imu_coning_mean_warn,3.6E-6
-imu_hfdang_peak_warn,3.0E-3
-imu_hfdang_mean_warn,6.0E-4
-imu_hfdvel_peak_warn,9.0E-2
-imu_hfdvel_mean_warn,1.8E-2
+imu_hfgyro_peak_warn,12
+imu_hfgyro_mean_warn,2.4
+imu_hfaccel_peak_warn,360
+imu_hfaccel_mean_warn,72
 obs_ang_err_median_warn,8.0E-3
 obs_vel_err_median_warn,0.05
 obs_pos_err_median_warn,0.15
@@ -49,12 +49,12 @@ hagl_test_mean, The mean in-flight value of the height above ground sensor innov
 ofx_fail_percentage, The percentage of in-flight recorded failure events for the optical flow sensor X-axis innovation consistency test.
 ofy_fail_percentage, The percentage of in-flight recorded failure events for the optical flow sensor Y-axis innovation consistency test.
 filter_faults_max, Largest recorded value of the filter internal fault bitmask. Should always be zero.
-imu_coning_peak, Peak in-flight value of the IMU delta angle coning vibration metric (rad)
-imu_coning_mean, Mean in-flight value of the IMU delta angle coning vibration metric (rad)
-imu_hfdang_peak, Peak in-flight value of the IMU delta angle high frequency vibration metric (rad)
-imu_hfdang_mean, Mean in-flight value of the IMU delta angle high frequency vibration metric (rad)
-imu_hfdvel_peak, Peak in-flight value of the IMU delta velocity high frequency vibration metric (m/s)
-imu_hfdvel_mean, Mean in-flight value of the IMU delta velocity high frequency vibration metric (m/s)
+imu_coning_peak, Peak in-flight value of the IMU delta angle coning vibration metric (rad^2)
+imu_coning_mean, Mean in-flight value of the IMU delta angle coning vibration metric (rad^2)
+imu_hfgyro_peak, Peak in-flight value of the IMU accel high frequency vibration metric (rad/s)
+imu_hfgyro_mean, Mean in-flight value of the IMU accel high frequency vibration metric (rad/s)
+imu_hfaccel_peak, Peak in-flight value of the IMU accel high frequency vibration metric (m/s/s)
+imu_hfaccel_mean, Mean in-flight value of the IMU accel high frequency vibration metric (m/s/s)
 output_obs_ang_err_median, Median in-flight value of the output observer angular error (rad)
 output_obs_vel_err_median, Median in-flight value of the output observer velocity error (m/s)
 output_obs_pos_err_median, Median in-flight value of the output observer position error (m)
@@ -250,18 +250,32 @@ def create_pdf_report(ulog: ULog, multi_instance: int, output_plot_filename: str
        data_plot.save()
        data_plot.close()

+
        # Plot the EKF IMU vibration metrics
-        scaled_estimator_status = {'vibe[0]': 1000. * estimator_status['vibe[0]'],
-                                   'vibe[1]': 1000. * estimator_status['vibe[1]'],
-                                   'vibe[2]': estimator_status['vibe[2]']
-                                   }
-        data_plot = CheckFlagsPlot(
-            status_time, scaled_estimator_status, [['vibe[0]'], ['vibe[1]'], ['vibe[2]']],
-            x_label='time (sec)', y_labels=['Del Ang Coning (mrad)', 'HF Del Ang (mrad)',
-                                            'HF Del Vel (m/s)'], plot_title='IMU Vibration Metrics',
-            pdf_handle=pdf_pages, annotate=True)
-        data_plot.save()
-        data_plot.close()
+        for imu_status_instance in range(4):
+            try:
+                vehicle_imu_status_data = ulog.get_dataset('vehicle_imu_status', imu_status_instance).data
+
+                imu_status_time = 1e-6 * vehicle_imu_status_data['timestamp']
+
+                if vehicle_imu_status_data['accel_device_id'][0] == estimator_status['accel_device_id'][0]:
+
+                    scaled_estimator_status = {'delta_angle_coning_metric': 1000. * vehicle_imu_status_data['delta_angle_coning_metric'],
+                                               'gyro_vibration_metric': vehicle_imu_status_data['gyro_vibration_metric'],
+                                               'accel_vibration_metric': vehicle_imu_status_data['accel_vibration_metric']
+                                              }
+                    data_plot = CheckFlagsPlot(
+                        imu_status_time, scaled_estimator_status, [['delta_angle_coning_metric'], ['gyro_vibration_metric'], ['accel_vibration_metric']],
+                        x_label='time (sec)',
+                        y_labels=['Del Ang Coning (mrad^2)', 'HF Gyro (rad/s)', 'HF accel (m/s/s)'],
+                        plot_title='IMU Vibration Metrics',
+                        pdf_handle=pdf_pages, annotate=True)
+                    data_plot.save()
+                    data_plot.close()
+
+            except:
+                pass
+

        # Plot the EKF output observer tracking errors
        scaled_innovations = {
@@ -7,9 +7,6 @@ EXTERNAL_METADATA,CONFIG_BOARD_EXTERNAL_METADATA=y
 BUILD_BOOTLOADER,CONFIG_BOARD_BUILD_BOOTLOADER=y
 UAVCAN_INTERFACES 2,CONFIG_BOARD_UAVCAN_INTERFACES=2
 UAVCAN_INTERFACES 1,CONFIG_BOARD_UAVCAN_INTERFACES=1
-UAVCAN_TIMER_OVERRIDE 2,CONFIG_BOARD_UAVCAN_TIMER_OVERRIDE=2
-UAVCAN_TIMER_OVERRIDE 1,CONFIG_BOARD_UAVCAN_TIMER_OVERRIDE=1
-UAVCAN_TIMER_OVERRIDE 1,CONFIG_BOARD_UAVCAN_TIMER_OVERRIDE=0
 TESTING,CONFIG_BOARD_TESTING=y
 ETHERNET,CONFIG_BOARD_ETHERNET=y
 adc/ads1115,CONFIG_DRIVERS_ADC_ADS1115=y
@@ -139,6 +136,7 @@ mc_hover_thrust_estimator,CONFIG_MODULES_MC_HOVER_THRUST_ESTIMATOR=y
 mc_pos_control,CONFIG_MODULES_MC_POS_CONTROL=y
 mc_rate_control,CONFIG_MODULES_MC_RATE_CONTROL=y
 micrortps_bridge,CONFIG_MODULES_MICRORTPS_BRIDGE=y
+microdds_client,CONFIG_MODULES_MICRODDS_CLIENT=y
 navigator,CONFIG_MODULES_NAVIGATOR=y
 px4iofirmware,CONFIG_MODULES_PX4IOFIRMWARE=y
 rc_update,CONFIG_MODULES_RC_UPDATE=y
@@ -0,0 +1,6 @@
+CONFIG_BOARD_TOOLCHAIN="arm-none-eabi"
+CONFIG_BOARD_ARCHITECTURE="cortex-m4"
+CONFIG_BOARD_ROMFSROOT=""
+CONFIG_BOARD_CONSTRAINED_MEMORY=y
+CONFIG_DRIVERS_BOOTLOADERS=y
+CONFIG_NSH_BUILTIN_APPS=y
@@ -0,0 +1,37 @@
+CONFIG_BOARD_TOOLCHAIN="arm-none-eabi"
+CONFIG_BOARD_ARCHITECTURE="cortex-m4"
+CONFIG_BOARD_ROMFSROOT="cannode"
+CONFIG_BOARD_CONSTRAINED_FLASH=y
+#CONFIG_BOARD_NO_HELP=y
+CONFIG_BOARD_CONSTRAINED_MEMORY=y
+CONFIG_BOARD_EXTERNAL_METADATA=y
+CONFIG_COMMON_BAROMETERS=y
+CONFIG_COMMON_DIFFERENTIAL_PRESSURE=y
+CONFIG_COMMON_DISTANCE_SENSOR=y
+CONFIG_COMMON_HYGROMETERS=y
+CONFIG_COMMON_MAGNETOMETER=y
+CONFIG_COMMON_LIGHT=y
+CONFIG_DRIVERS_BATT_SMBUS=y
+CONFIG_DRIVERS_BOOTLOADERS=y
+CONFIG_DRIVERS_GPS=y
+CONFIG_DRIVERS_IMU_ANALOG_DEVICES_ADIS16448=y
+CONFIG_DRIVERS_IMU_INVENSENSE_ICM20948=y
+CONFIG_DRIVERS_IMU_INVENSENSE_ICM42688P=y
+CONFIG_DRIVERS_IRLOCK=y
+CONFIG_DRIVERS_PWM_OUT=y
+CONFIG_BOARD_UAVCAN_INTERFACES=1
+CONFIG_DRIVERS_UAVCANNODE=y
+CONFIG_MODULES_CONTROL_ALLOCATOR=y
+#CONFIG_MODULES_SENSORS=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_SYSTEMCMDS_ACTUATOR_TEST=y
+CONFIG_SYSTEMCMDS_I2CDETECT=y
+CONFIG_SYSTEMCMDS_LED_CONTROL=y
+CONFIG_SYSTEMCMDS_MIXER=y
+CONFIG_SYSTEMCMDS_UORB=y
+CONFIG_SYSTEMCMDS_PARAM=y
+CONFIG_SYSTEMCMDS_TOP=y
+CONFIG_SYSTEMCMDS_TOPIC_LISTENER=y
+CONFIG_SYSTEMCMDS_PWM=y
+CONFIG_SYSTEMCMDS_REBOOT=y
+CONFIG_SYSTEMCMDS_WORK_QUEUE=y
@@ -0,0 +1,13 @@
+{
+    "board_id": 83,
+    "magic": "PX4FWv1",
+    "description": "Firmware for the ARK CANnode board",
+    "image": "",
+    "build_time": 0,
+    "summary": "ARKCANNODE",
+    "version": "0.1",
+    "image_size": 0,
+    "image_maxsize": 2080768,
+    "git_identity": "",
+    "board_revision": 0
+}
@@ -0,0 +1,7 @@
+#!/bin/sh
+#
+# board specific defaults
+#------------------------------------------------------------------------------
+pwm_out start
+
+control_allocator start
@@ -0,0 +1,118 @@
+#!/bin/sh
+#
+# board sensors init
+#------------------------------------------------------------------------------
+icm42688p -R 0 -s start
+
+if param compare -s SENS_EN_BATT 1
+then
+	batt_smbus start -X
+fi
+
+# Lidar-Lite on I2C
+if param compare -s SENS_EN_LL40LS 2
+then
+	ll40ls start -X
+fi
+
+# mappydot lidar sensor
+if param compare -s SENS_EN_MPDT 1
+then
+	mappydot start -X
+fi
+
+# mb12xx sonar sensor
+if param greater -s SENS_EN_MB12XX 0
+then
+	mb12xx start -X
+fi
+
+# Lightware i2c lidar sensor
+if param greater -s SENS_EN_SF1XX 0
+then
+	lightware_laser_i2c start -X
+fi
+
+# vl53l1x i2c distance sensor
+if param compare -s SENS_EN_VL53L1X 1
+then
+	vl53l1x start -X
+fi
+
+# ADIS16448 spi external IMU
+if param compare -s SENS_EN_ADIS164X 1
+then
+	if param compare -s SENS_OR_ADIS164X 0
+	then
+		adis16448 -S start
+	fi
+	if param compare -s SENS_OR_ADIS164X 4
+	then
+		adis16448 -S start -R 4
+	fi
+fi
+
+# Eagle Tree airspeed sensor external I2C
+if param compare -s SENS_EN_ETSASPD 1
+then
+	ets_airspeed start -X
+fi
+
+# Sensirion SDP3X differential pressure sensor external I2C
+if param compare -s SENS_EN_SDP3X 1
+then
+	if ! sdp3x start -X
+	then
+		# try another common address
+		sdp3x start -X -a 0x22
+	fi
+fi
+
+# SHT3x temperature and hygrometer sensor, external I2C
+if param compare -s SENS_EN_SHT3X 1
+then
+	sht3x start -X
+	sht3x start -X -a 0x45
+fi
+
+# TE MS4525DO differential pressure sensor external I2C
+if param compare -s SENS_EN_MS4525DO 1
+then
+	ms4525do start -X
+fi
+
+# TE MS5525DSO differential pressure sensor external I2C
+if param compare -s SENS_EN_MS5525DS 1
+then
+	ms5525dso start -X
+fi
+
+# IR-LOCK sensor external I2C
+if param compare -s SENS_EN_IRLOCK 1
+then
+	irlock start -X
+fi
+
+# SPL06 sensor external I2C
+if param compare -s SENS_EN_SPL06 1
+then
+	spl06 -X start
+	spl06 -X -a 0x77 start
+fi
+
+gps start -d /dev/ttyS0 -p ubx
+
+# probe for optional external I2C devices
+icm20948_i2c_passthrough -X -q start
+
+# compasses
+hmc5883 -T -X -q start
+ist8308 -X -q start
+ist8310 -X -q start
+lis2mdl -X -q start
+lis3mdl -X -q start
+qmc5883l -X -q start
+rm3100 -X -q start
+
+# start last (wait for possible icm20948 passthrough mode)
+ak09916 -X -q start
@@ -0,0 +1,61 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD_CUSTOM=y
+CONFIG_ARCH_BOARD_CUSTOM_DIR="../../../../boards/ark/cannode/nuttx-config"
+CONFIG_ARCH_BOARD_CUSTOM_DIR_RELPATH=y
+CONFIG_ARCH_BOARD_CUSTOM_NAME="px4"
+CONFIG_ARCH_CHIP="stm32"
+CONFIG_ARCH_CHIP_STM32=y
+CONFIG_ARCH_CHIP_STM32F412CE=y
+CONFIG_ARCH_INTERRUPTSTACK=4096
+CONFIG_ARMV7M_MEMCPY=y
+CONFIG_ARMV7M_USEBASEPRI=y
+CONFIG_BINFMT_DISABLE=y
+CONFIG_BOARD_LOOPSPERMSEC=16717
+CONFIG_C99_BOOL8=y
+CONFIG_CLOCK_MONOTONIC=y
+CONFIG_DEBUG_FULLOPT=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DEFAULT_SMALL=y
+CONFIG_DISABLE_MOUNTPOINT=y
+CONFIG_DISABLE_MQUEUE=y
+CONFIG_DISABLE_PTHREAD=y
+CONFIG_EXPERIMENTAL=y
+CONFIG_FDCLONE_DISABLE=y
+CONFIG_FDCLONE_STDIO=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_IDLETHREAD_STACKSIZE=4096
+CONFIG_LIBC_FLOATINGPOINT=y
+CONFIG_LIBC_LONG_LONG=y
+CONFIG_LIBC_STRERROR=y
+CONFIG_LIB_BOARDCTL=y
+CONFIG_FS_PROCFS_MAX_TASKS=0
+CONFIG_MM_REGIONS=2
+CONFIG_NAME_MAX=0
+CONFIG_NUNGET_CHARS=0
+CONFIG_PREALLOC_TIMERS=0
+CONFIG_PTHREAD_STACK_MIN=512
+CONFIG_RAM_SIZE=262144
+CONFIG_RAM_START=0x20010000
+CONFIG_RAW_BINARY=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_SIG_DEFAULT=y
+CONFIG_SIG_SIGALRM_ACTION=y
+CONFIG_SIG_SIGUSR1_ACTION=y
+CONFIG_SIG_SIGUSR2_ACTION=y
+CONFIG_STACK_COLORATION=y
+CONFIG_START_DAY=30
+CONFIG_START_MONTH=11
+CONFIG_STDIO_DISABLE_BUFFERING=y
+CONFIG_STM32_FLASH_CONFIG_G=y
+CONFIG_STM32_NOEXT_VECTORS=y
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_USEC_PER_TICK=1000
+CONFIG_USERMAIN_STACKSIZE=4096
@@ -0,0 +1,149 @@
+/************************************************************************************
+ * configs/px4fmu/include/board.h
+ * include/arch/board/board.h
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+#include "board_dma_map.h"
+
+#ifndef __ARCH_BOARD_BOARD_H
+#define __ARCH_BOARD_BOARD_H
+
+#include <nuttx/config.h>
+#ifndef __ASSEMBLY__
+# include <stdint.h>
+#endif
+
+#include <stm32.h>
+
+/* HSI - 8 MHz RC factory-trimmed
+ * LSI - 32 KHz RC
+ * HSE - 8  MHz Crystal
+ * LSE - not installed
+ */
+#define STM32_BOARD_USEHSE      1
+#define STM32_BOARD_XTAL        8000000
+#define STM32_HSE_FREQUENCY     STM32_BOARD_XTAL
+
+#define STM32_HSI_FREQUENCY     16000000ul
+#define STM32_LSI_FREQUENCY     32000
+
+/* Main PLL Configuration */
+#define STM32_PLLCFG_PLLM       RCC_PLLCFG_PLLM(8)
+#define STM32_PLLCFG_PLLN       RCC_PLLCFG_PLLN(384)
+#define STM32_PLLCFG_PLLP       RCC_PLLCFG_PLLP_4
+#define STM32_PLLCFG_PLLQ       RCC_PLLCFG_PLLQ(8)
+#define STM32_PLLCFG_PLLR       RCC_PLLCFG_PLLR(2)
+
+#define STM32_RCC_PLLI2SCFGR_PLLI2SM RCC_PLLI2SCFGR_PLLI2SM(16)
+#define STM32_RCC_PLLI2SCFGR_PLLI2SN RCC_PLLI2SCFGR_PLLI2SN(192)
+#define STM32_RCC_PLLI2SCFGR_PLLI2SQ RCC_PLLI2SCFGR_PLLI2SQ(2)
+#define STM32_RCC_PLLI2SCFGR_PLLI2SR RCC_PLLI2SCFGR_PLLI2SR(2)
+#define STM32_RCC_PLLI2SCFGR_PLLI2SSRC RCC_PLLI2SCFGR_PLLI2SSRC(0) /* HSE or HSI depending on PLLSRC of PLLCFGR*/
+
+#define STM32_RCC_DCKCFGR2_CK48MSEL RCC_DCKCFGR2_CK48MSEL_PLL
+#define STM32_RCC_DCKCFGR2_FMPI2C1SEL RCC_DCKCFGR2_FMPI2C1SEL_APB
+#define STM32_RCC_DCKCFGR2_SDIOSEL RCC_DCKCFGR2_SDIOSEL_48MHZ
+
+#define STM32_SYSCLK_FREQUENCY  96000000ul
+
+/* AHB clock (HCLK) is SYSCLK (96MHz) */
+#define STM32_RCC_CFGR_HPRE     RCC_CFGR_HPRE_SYSCLK      /* HCLK  = SYSCLK / 1 */
+#define STM32_HCLK_FREQUENCY    STM32_SYSCLK_FREQUENCY
+#define STM32_BOARD_HCLK        STM32_HCLK_FREQUENCY      /* Same as above, to satisfy compiler */
+
+/* APB1 clock (PCLK1) is HCLK/2 (48MHz) */
+#define STM32_RCC_CFGR_PPRE1    RCC_CFGR_PPRE1_HCLKd2     /* PCLK1 = HCLK / 2 */
+#define STM32_PCLK1_FREQUENCY   (STM32_HCLK_FREQUENCY/2)
+
+/* Timers driven from APB1 will be twice PCLK1 (see page 112 of reference manual) */
+#define STM32_APB1_TIM2_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM3_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM4_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM5_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM6_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM7_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM12_CLKIN  (2*STM32_PCLK1_FREQUENCY)
+
+/* APB2 clock (PCLK2) is HCLK (96MHz) */
+#define STM32_RCC_CFGR_PPRE2    RCC_CFGR_PPRE2_HCLK       /* PCLK2 = HCLK */
+#define STM32_PCLK2_FREQUENCY   (STM32_HCLK_FREQUENCY)
+
+/* Timers driven from APB2 will be PCLK2 since no prescale division */
+#define STM32_APB2_TIM1_CLKIN   (STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM8_CLKIN   (STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM9_CLKIN   (STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM10_CLKIN  (STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM11_CLKIN  (STM32_PCLK2_FREQUENCY)
+
+/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx otherwise frequency is 2xAPBx. */
+#define BOARD_TIM2_FREQUENCY    (2 * STM32_PCLK1_FREQUENCY)
+#define BOARD_TIM3_FREQUENCY    (2 * STM32_PCLK1_FREQUENCY)
+#define BOARD_TIM4_FREQUENCY    (2 * STM32_PCLK1_FREQUENCY)
+#define BOARD_TIM5_FREQUENCY    (2 * STM32_PCLK1_FREQUENCY)
+#define BOARD_TIM6_FREQUENCY    (2 * STM32_PCLK1_FREQUENCY)
+#define BOARD_TIM7_FREQUENCY    (2 * STM32_PCLK1_FREQUENCY)
+#define BOARD_TIM8_FREQUENCY    (2 * STM32_PCLK2_FREQUENCY)
+
+/* Alternate function pin selections ************************************************/
+
+/* UARTs */
+#define GPIO_USART1_RX	GPIO_USART1_RX_2
+#define GPIO_USART1_TX	GPIO_USART1_TX_3
+
+#define GPIO_USART2_RX	GPIO_USART2_RX_1
+#define GPIO_USART2_TX	GPIO_USART2_TX_1
+
+/* CAN */
+#define GPIO_CAN1_RX	GPIO_CAN1_RX_1
+#define GPIO_CAN1_TX	GPIO_CAN1_TX_1
+
+/* SPI */
+#define GPIO_SPI1_MISO  GPIO_SPI1_MISO_1
+#define GPIO_SPI1_MOSI  GPIO_SPI1_MOSI_1
+#define GPIO_SPI1_SCK   GPIO_SPI1_SCK_1
+
+#define GPIO_SPI2_MISO  GPIO_SPI2_MISO_1 /* PB14 */
+#define GPIO_SPI2_MOSI  GPIO_SPI2_MOSI_1 /* PB15 */
+#define GPIO_SPI2_SCK   GPIO_SPI2_SCK_2  /* PB13 */
+
+/* I2C */
+#define GPIO_MCU_I2C1_SCL
+#define GPIO_MCU_I2C1_SDA
+
+#define GPIO_I2C1_SCL	GPIO_I2C1_SCL_1
+#define GPIO_I2C1_SDA	GPIO_I2C1_SDA_2
+
+#define GPIO_I2C1_SCL_GPIO                  (GPIO_OUTPUT | GPIO_OPENDRAIN |GPIO_SPEED_50MHz | GPIO_OUTPUT_SET | GPIO_PORTB | GPIO_PIN6)
+#define GPIO_I2C1_SDA_GPIO                  (GPIO_OUTPUT | GPIO_OPENDRAIN |GPIO_SPEED_50MHz | GPIO_OUTPUT_SET | GPIO_PORTB | GPIO_PIN7)
+
+#endif /* __ARCH_BOARD_BOARD_H */
@@ -0,0 +1,44 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2021 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#pragma once
+
+// DMA1 Channel/Stream Selections
+//--------------------------------------------//---------------------------//----------------
+#define DMACHAN_SPI2_RX    DMAMAP_SPI2_RX   // DMA1, Stream 3, Channel 0
+#define DMACHAN_SPI2_TX    DMAMAP_SPI2_TX   // DMA1, Stream 4, Channel 0
+
+//  DMA2 Channel/Stream Selections
+//--------------------------------------------//---------------------------//----------------
+#define DMACHAN_SPI1_RX    DMAMAP_SPI1_RX_2   // DMA2, Stream 2, Channel 3
+#define DMACHAN_SPI1_TX    DMAMAP_SPI1_TX_2   // DMA2, Stream 5, Channel 3
@@ -0,0 +1,161 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_DISABLE_OS_API is not set
+# CONFIG_DISABLE_PSEUDOFS_OPERATIONS is not set
+# CONFIG_NSH_DISABLEBG is not set
+# CONFIG_NSH_DISABLESCRIPT is not set
+# CONFIG_NSH_DISABLE_DF is not set
+# CONFIG_NSH_DISABLE_EXEC is not set
+# CONFIG_NSH_DISABLE_EXIT is not set
+# CONFIG_NSH_DISABLE_GET is not set
+# CONFIG_NSH_DISABLE_ITEF is not set
+# CONFIG_NSH_DISABLE_LOOPS is not set
+# CONFIG_NSH_DISABLE_MKFATFS is not set
+# CONFIG_NSH_DISABLE_SEMICOLON is not set
+# CONFIG_NSH_DISABLE_TIME is not set
+# CONFIG_STM32_DMACAPABLE is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD_CUSTOM=y
+CONFIG_ARCH_BOARD_CUSTOM_DIR="../../../../boards/ark/cannode/nuttx-config"
+CONFIG_ARCH_BOARD_CUSTOM_DIR_RELPATH=y
+CONFIG_ARCH_BOARD_CUSTOM_NAME="px4"
+CONFIG_ARCH_CHIP="stm32"
+CONFIG_ARCH_CHIP_STM32=y
+CONFIG_ARCH_CHIP_STM32F412CE=y
+CONFIG_ARCH_INTERRUPTSTACK=512
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_MEMCPY=y
+CONFIG_ARMV7M_USEBASEPRI=y
+CONFIG_BOARDCTL_RESET=y
+CONFIG_BOARD_LOOPSPERMSEC=16717
+CONFIG_BOARD_RESET_ON_ASSERT=2
+CONFIG_BUILTIN=y
+CONFIG_C99_BOOL8=y
+CONFIG_CLOCK_MONOTONIC=y
+CONFIG_DEBUG_FULLOPT=y
+CONFIG_DEBUG_HARDFAULT_ALERT=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DEFAULT_SMALL=y
+CONFIG_DEV_FIFO_SIZE=0
+CONFIG_DEV_PIPE_MAXSIZE=1024
+CONFIG_DEV_PIPE_SIZE=70
+CONFIG_FDCLONE_STDIO=y
+CONFIG_FS_BINFS=y
+CONFIG_FS_CROMFS=y
+CONFIG_FS_FAT=y
+CONFIG_FS_FATTIME=y
+CONFIG_FS_PROCFS=y
+CONFIG_FS_PROCFS_INCLUDE_PROGMEM=y
+CONFIG_FS_PROCFS_REGISTER=y
+CONFIG_FS_ROMFS=y
+CONFIG_GRAN=y
+CONFIG_GRAN_INTR=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_I2C=y
+CONFIG_I2C_RESET=y
+CONFIG_IDLETHREAD_STACKSIZE=750
+CONFIG_LIBC_FLOATINGPOINT=y
+CONFIG_LIBC_LONG_LONG=y
+CONFIG_LIBC_STRERROR=y
+CONFIG_MEMSET_64BIT=y
+CONFIG_MEMSET_OPTSPEED=y
+CONFIG_MM_REGIONS=2
+CONFIG_MTD=y
+CONFIG_MTD_BYTE_WRITE=y
+CONFIG_MTD_PARTITION=y
+CONFIG_MTD_RAMTRON=y
+CONFIG_NAME_MAX=40
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_ARGCAT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_CMDPARMS=y
+CONFIG_NSH_CROMFSETC=y
+CONFIG_NSH_DISABLE_IFCONFIG=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
+CONFIG_NSH_DISABLE_TELNETD=y
+CONFIG_NSH_LINELEN=128
+CONFIG_NSH_MAXARGUMENTS=15
+CONFIG_NSH_NESTDEPTH=8
+CONFIG_NSH_QUOTE=y
+CONFIG_NSH_ROMFSETC=y
+CONFIG_NSH_ROMFSSECTSIZE=128
+CONFIG_NSH_STRERROR=y
+CONFIG_NSH_VARS=y
+CONFIG_PIPES=y
+CONFIG_PREALLOC_TIMERS=50
+CONFIG_PRIORITY_INHERITANCE=y
+CONFIG_PTHREAD_MUTEX_ROBUST=y
+CONFIG_PTHREAD_STACK_MIN=512
+CONFIG_RAMTRON_SETSPEED=y
+CONFIG_RAM_SIZE=262144
+CONFIG_RAM_START=0x20000000
+CONFIG_RAW_BINARY=y
+CONFIG_RTC_DATETIME=y
+CONFIG_SCHED_ATEXIT=y
+CONFIG_SCHED_HPWORK=y
+CONFIG_SCHED_HPWORKPRIORITY=254
+CONFIG_SCHED_HPWORKSTACKSIZE=3000
+CONFIG_SCHED_INSTRUMENTATION=y
+CONFIG_SCHED_INSTRUMENTATION_EXTERNAL=y
+CONFIG_SCHED_LPWORK=y
+CONFIG_SCHED_LPWORKPRIORITY=50
+CONFIG_SCHED_LPWORKSTACKSIZE=1632
+CONFIG_SCHED_WAITPID=y
+CONFIG_SEM_NNESTPRIO=8
+CONFIG_SEM_PREALLOCHOLDERS=0
+CONFIG_SERIAL_TERMIOS=y
+CONFIG_SIG_DEFAULT=y
+CONFIG_SIG_SIGALRM_ACTION=y
+CONFIG_SIG_SIGUSR1_ACTION=y
+CONFIG_SIG_SIGUSR2_ACTION=y
+CONFIG_SIG_SIGWORK=4
+CONFIG_STACK_COLORATION=y
+CONFIG_START_DAY=30
+CONFIG_START_MONTH=11
+CONFIG_STDIO_BUFFER_SIZE=32
+CONFIG_STM32_ADC1=y
+CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG=y
+CONFIG_STM32_DMA1=y
+CONFIG_STM32_DMA2=y
+CONFIG_STM32_FLASH_CONFIG_G=y
+CONFIG_STM32_FLASH_PREFETCH=y
+CONFIG_STM32_FLOWCONTROL_BROKEN=y
+CONFIG_STM32_I2C1=y
+CONFIG_STM32_JTAG_SW_ENABLE=y
+CONFIG_STM32_PWR=y
+CONFIG_STM32_RTC=y
+CONFIG_STM32_RTC_HSECLOCK=y
+CONFIG_STM32_RTC_MAGIC=0xfacefeee
+CONFIG_STM32_RTC_MAGIC_REG=1
+CONFIG_STM32_RTC_MAGIC_TIME_SET=0xfacefeef
+CONFIG_STM32_SERIALBRK_BSDCOMPAT=y
+CONFIG_STM32_SERIAL_DISABLE_REORDERING=y
+CONFIG_STM32_SPI1=y
+CONFIG_STM32_SPI1_DMA=y
+CONFIG_STM32_SPI1_DMA_BUFFER=2048
+CONFIG_STM32_SPI2=y
+CONFIG_STM32_SPI2_DMA=y
+CONFIG_STM32_SPI2_DMA_BUFFER=2048
+CONFIG_STM32_SPI_DMA=y
+CONFIG_STM32_USART1=y
+CONFIG_STM32_USART2=y
+CONFIG_STM32_USART_BREAKS=y
+CONFIG_STM32_WWDG=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TASK_NAME_SIZE=24
+CONFIG_USART1_BAUD=57600
+CONFIG_USART1_RXBUFSIZE=600
+CONFIG_USART1_TXBUFSIZE=1100
+CONFIG_USART2_BAUD=57600
+CONFIG_USART2_RXBUFSIZE=600
+CONFIG_USART2_SERIAL_CONSOLE=y
+CONFIG_USART2_TXBUFSIZE=1100
+CONFIG_USEC_PER_TICK=1000
+CONFIG_USERMAIN_STACKSIZE=2624
+CONFIG_USER_ENTRYPOINT="nsh_main"
@@ -0,0 +1,134 @@
+/****************************************************************************
+ * nuttx-config/scripts/canbootloader_script.ld
+ *
+ *   Copyright (C) 2015 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/* The STM32F412 has 512Kb of FLASH beginning at address 0x0800:0000 and
+ * 256Kb of SRAM. SRAM is split up into three blocks:
+ *
+ * 1) 112Kb of SRAM beginning at address 0x2000:0000
+ * 2)  16Kb of SRAM beginning at address 0x2001:c000
+ * 3)  64Kb of SRAM beginning at address 0x2002:0000
+ * 4)  64Kb of TCM SRAM beginning at address 0x1000:0000
+ *
+ * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000
+ * where the code expects to begin execution by jumping to the entry point in
+ * the 0x0800:0000 address range.
+ *
+ * The first 0x10000 of flash is reserved for the bootloader.
+ */
+
+MEMORY
+{
+    flash (rx)   : ORIGIN = 0x08000000, LENGTH = 32K
+    sram (rwx)   : ORIGIN = 0x20000000, LENGTH = 192K
+}
+
+OUTPUT_ARCH(arm)
+
+ENTRY(__start)		/* treat __start as the anchor for dead code stripping */
+EXTERN(_vectors)	/* force the vectors to be included in the output */
+
+/*
+ * Ensure that abort() is present in the final object.  The exception handling
+ * code pulled in by libgcc.a requires it (and that code cannot be easily avoided).
+ */
+EXTERN(abort)
+SECTIONS
+{
+	.text : {
+		_stext = ABSOLUTE(.);
+		*(.vectors)
+		*(.text .text.*)
+		*(.fixup)
+		*(.gnu.warning)
+		*(.rodata .rodata.*)
+		*(.gnu.linkonce.t.*)
+		*(.got)
+		*(.gcc_except_table)
+		*(.gnu.linkonce.r.*)
+		_etext = ABSOLUTE(.);
+	} > flash
+
+	/*
+	 * Init functions (static constructors and the like)
+	 */
+        .init_section : {
+                _sinit = ABSOLUTE(.);
+                KEEP(*(.init_array .init_array.*))
+                _einit = ABSOLUTE(.);
+        } > flash
+
+	.ARM.extab : {
+		*(.ARM.extab*)
+	} > flash
+
+	__exidx_start = ABSOLUTE(.);
+	.ARM.exidx : {
+		*(.ARM.exidx*)
+	} > flash
+	__exidx_end = ABSOLUTE(.);
+
+	_eronly = ABSOLUTE(.);
+
+	.data : {
+		_sdata = ABSOLUTE(.);
+		*(.data .data.*)
+		*(.gnu.linkonce.d.*)
+		CONSTRUCTORS
+		_edata = ABSOLUTE(.);
+	} > sram AT > flash
+
+	.bss : {
+		_sbss = ABSOLUTE(.);
+		*(.bss .bss.*)
+		*(.gnu.linkonce.b.*)
+		*(COMMON)
+		. = ALIGN(4);
+		_ebss = ABSOLUTE(.);
+	} > sram
+
+	/* Stabs debugging sections. */
+	.stab 0 : { *(.stab) }
+	.stabstr 0 : { *(.stabstr) }
+	.stab.excl 0 : { *(.stab.excl) }
+	.stab.exclstr 0 : { *(.stab.exclstr) }
+	.stab.index 0 : { *(.stab.index) }
+	.stab.indexstr 0 : { *(.stab.indexstr) }
+	.comment 0 : { *(.comment) }
+	.debug_abbrev 0 : { *(.debug_abbrev) }
+	.debug_info 0 : { *(.debug_info) }
+	.debug_line 0 : { *(.debug_line) }
+	.debug_pubnames 0 : { *(.debug_pubnames) }
+	.debug_aranges 0 : { *(.debug_aranges) }
+}
@@ -0,0 +1,146 @@
+/****************************************************************************
+ * scripts/ld.script
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/* The STM32F412CG has 1Mb of FLASH beginning at address 0x0800:0000 and
+ * 256Kb of SRAM. SRAM is split up into three blocks:
+ *
+ * 1) 112Kb of SRAM beginning at address 0x2000:0000
+ * 2)  16Kb of SRAM beginning at address 0x2001:c000
+ * 3)  64Kb of SRAM beginning at address 0x2002:0000
+ * 4)  64Kb of TCM SRAM beginning at address 0x1000:0000
+ *
+ * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000
+ * where the code expects to begin execution by jumping to the entry point in
+ * the 0x0800:0000 address range.
+ *
+ * The first 0x10000 of flash is reserved for the bootloader.
+ */
+
+MEMORY
+{
+    flash (rx)   : ORIGIN = 0x08010000, LENGTH = 928K
+    sram (rwx)   : ORIGIN = 0x20000000, LENGTH = 192K
+}
+
+OUTPUT_ARCH(arm)
+
+ENTRY(__start)		/* treat __start as the anchor for dead code stripping */
+EXTERN(_vectors)	/* force the vectors to be included in the output */
+
+/*
+ * Ensure that abort() is present in the final object.  The exception handling
+ * code pulled in by libgcc.a requires it (and that code cannot be easily avoided).
+ */
+EXTERN(abort)
+EXTERN(_bootdelay_signature)
+
+SECTIONS
+{
+	.text : {
+		_stext = ABSOLUTE(.);
+		*(.vectors)
+		. = ALIGN(8);
+		/*
+		* This section positions the app_descriptor_t used
+		* by the make_can_boot_descriptor.py tool to set
+		* the application image's descriptor so that the
+		* uavcan bootloader has the ability to validate the
+		* image crc, size etc
+		*/
+		KEEP(*(.app_descriptor))
+		*(.text .text.*)
+		*(.fixup)
+		*(.gnu.warning)
+		*(.rodata .rodata.*)
+		*(.gnu.linkonce.t.*)
+		*(.got)
+		*(.gcc_except_table)
+		*(.gnu.linkonce.r.*)
+		_etext = ABSOLUTE(.);
+	} > flash
+
+	/*
+	 * Init functions (static constructors and the like)
+	 */
+        .init_section : {
+                _sinit = ABSOLUTE(.);
+                KEEP(*(.init_array .init_array.*))
+                _einit = ABSOLUTE(.);
+        } > flash
+
+
+	.ARM.extab : {
+		*(.ARM.extab*)
+	} > flash
+
+	__exidx_start = ABSOLUTE(.);
+	.ARM.exidx : {
+		*(.ARM.exidx*)
+	} > flash
+	__exidx_end = ABSOLUTE(.);
+
+	_eronly = ABSOLUTE(.);
+
+	.data : {
+		_sdata = ABSOLUTE(.);
+		*(.data .data.*)
+		*(.gnu.linkonce.d.*)
+		CONSTRUCTORS
+		_edata = ABSOLUTE(.);
+	} > sram AT > flash
+
+	.bss : {
+		_sbss = ABSOLUTE(.);
+		*(.bss .bss.*)
+		*(.gnu.linkonce.b.*)
+		*(COMMON)
+		. = ALIGN(4);
+		_ebss = ABSOLUTE(.);
+	} > sram
+
+	/* Stabs debugging sections. */
+	.stab 0 : { *(.stab) }
+	.stabstr 0 : { *(.stabstr) }
+	.stab.excl 0 : { *(.stab.excl) }
+	.stab.exclstr 0 : { *(.stab.exclstr) }
+	.stab.index 0 : { *(.stab.index) }
+	.stab.indexstr 0 : { *(.stab.indexstr) }
+	.comment 0 : { *(.comment) }
+	.debug_abbrev 0 : { *(.debug_abbrev) }
+	.debug_info 0 : { *(.debug_info) }
+	.debug_line 0 : { *(.debug_line) }
+	.debug_pubnames 0 : { *(.debug_pubnames) }
+	.debug_aranges 0 : { *(.debug_aranges) }
+}
@@ -0,0 +1,68 @@
+############################################################################
+#
+#   Copyright (c) 2020 PX4 Development Team. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name PX4 nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+if("${PX4_BOARD_LABEL}" STREQUAL  "canbootloader")
+
+	add_library(drivers_board
+		boot_config.h
+		boot.c
+		led.c
+		led.h
+	)
+	target_link_libraries(drivers_board
+		PRIVATE
+			nuttx_arch
+			nuttx_drivers
+			canbootloader
+	)
+	target_include_directories(drivers_board PRIVATE ${PX4_SOURCE_DIR}/platforms/nuttx/src/canbootloader)
+
+else()
+	add_library(drivers_board
+		can.c
+		i2c.cpp
+		init.c
+		led.c
+		spi.cpp
+		timer_config.cpp
+	)
+
+	target_link_libraries(drivers_board
+		PRIVATE
+			arch_spi
+			drivers__led # drv_led_start
+			nuttx_arch
+			nuttx_drivers
+			px4_layer
+	)
+endif()
@@ -0,0 +1,114 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2021 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file board_config.h
+ *
+ * board internal definitions
+ */
+
+#pragma once
+
+#include <px4_platform_common/px4_config.h>
+#include <nuttx/compiler.h>
+#include <stdint.h>
+
+/* CAN  Silent mode control */
+#define GPIO_CAN1_SILENT_S0   /* PC14  */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN14)
+
+/* CAN termination software control */
+#define GPIO_CAN1_TERMINATION /* PC15 */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN15)
+#define GPIO_CAN_TERM                    GPIO_CAN1_TERMINATION
+
+/* Boot config */
+#define GPIO_BOOT_CONFIG      /* PH1 */ (GPIO_INPUT|GPIO_PULLUP|GPIO_PORTH|GPIO_PIN1|GPIO_EXTI)
+
+/* ICM42688p FSYNC */
+#define GPIO_42688P_FSYNC     /* PB8  */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN8)
+
+/* LEDs are driven with open drain to support Anode to 5V or 3.3V */
+#define GPIO_TIM1_CH1         /* PA8  */  (GPIO_TIM1_CH1_1|GPIO_OPENDRAIN|GPIO_SPEED_2MHz)
+#define GPIO_TIM1_CH2         /* PA9  */  (GPIO_TIM1_CH2_1|GPIO_OPENDRAIN|GPIO_SPEED_2MHz)
+#define GPIO_TIM1_CH3         /* PA10 */  (GPIO_TIM1_CH3_1|GPIO_OPENDRAIN|GPIO_SPEED_2MHz)
+
+/* PWM Outputs */
+#define DIRECT_PWM_OUTPUT_CHANNELS  6 // Actually 8
+
+#define GPIO_TIM2_CH1_RESET   /* PA0  */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTA|GPIO_PIN0)
+#define GPIO_TIM2_CH2_RESET   /* PA1  */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTA|GPIO_PIN1)
+#define GPIO_TIM2_CH3_RESET   /* PB10 */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN10)
+#define GPIO_TIM3_CH1_RESET   /* PB4  */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN4)
+#define GPIO_TIM3_CH2_RESET   /* PB5  */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN5)
+#define GPIO_TIM3_CH3_RESET   /* PB0  */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN0)
+#define GPIO_TIM3_CH4_RESET   /* PB1  */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN1)
+#define GPIO_TIM4_CH4_RESET   /* PB7  */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN7)
+
+#define GPIO_I2C1_SCL_RESET   /* PB6  */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN6)
+#define GPIO_I2C1_SDA_RESET   /* PB9  */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN9)
+
+#define GPIO_USART1_RX_GPIO   /* PB3  */  (GPIO_INPUT|GPIO_PULLUP|GPIO_SPEED_50MHz|GPIO_PORTB|GPIO_PIN3)
+#define GPIO_USART1_TX_GPIO   /* PA15  */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_PULLUP|GPIO_SPEED_50MHz|GPIO_PORTA|GPIO_PIN15)
+
+#define GPIO_USART2_RX_GPIO   /* PA3  */  (GPIO_INPUT|GPIO_PULLUP|GPIO_SPEED_50MHz|GPIO_PORTA|GPIO_PIN3)
+#define GPIO_USART2_TX_GPIO   /* PA2  */  (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_PULLUP|GPIO_SPEED_50MHz|GPIO_PORTA|GPIO_PIN2)
+
+#define FLASH_BASED_PARAMS
+
+/* High-resolution timer */
+#define HRT_TIMER                    8  /* use timer 8 for the HRT */
+#define HRT_TIMER_CHANNEL            1  /* use capture/compare channel 1 */
+
+#define PX4_GPIO_INIT_LIST { \
+		GPIO_CAN1_SILENT_S0,              \
+		GPIO_CAN1_TERMINATION,            \
+		GPIO_42688P_FSYNC,                \
+		GPIO_CAN1_TX,                     \
+		GPIO_CAN1_RX,                     \
+		GPIO_I2C1_SCL_RESET,              \
+		GPIO_I2C1_SDA_RESET,              \
+	}
+
+__BEGIN_DECLS
+
+#define BOARD_HAS_N_S_RGB_LED       1
+#define BOARD_MAX_LEDS              BOARD_HAS_N_S_RGB_LED
+
+#ifndef __ASSEMBLY__
+
+extern void stm32_spiinitialize(void);
+
+#include <px4_platform_common/board_common.h>
+
+#endif /* __ASSEMBLY__ */
+
+__END_DECLS
@@ -0,0 +1,188 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2021 PX4 Development Team. All rights reserved.
+ *       Author: Ben Dyer <ben_dyer@mac.com>
+ *               Pavel Kirienko <pavel.kirienko@zubax.com>
+ *               David Sidrane <david_s5@nscdg.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <px4_config.h>
+#include <stdint.h>
+#include "boot_config.h"
+#include "board.h"
+
+#include <debug.h>
+#include <string.h>
+#include <arch/board/board.h>
+
+#include <nuttx/board.h>
+#include "led.h"
+
+/************************************************************************************
+ * Name: stm32_boardinitialize
+ *
+ * Description:
+ *   All STM32 architectures must provide the following entry point.  This entry point
+ *   is called early in the initialization -- after all memory has been configured
+ *   and mapped but before any devices have been initialized.
+ *
+ ************************************************************************************/
+
+__EXPORT void stm32_boardinitialize(void)
+{
+	putreg32(getreg32(STM32_RCC_APB1ENR) | RCC_APB1ENR_CAN1EN, STM32_RCC_APB1ENR);
+	stm32_configgpio(GPIO_CAN1_RX);
+	stm32_configgpio(GPIO_CAN1_TX);
+	stm32_configgpio(GPIO_CAN1_SILENT_S0);
+	stm32_configgpio(GPIO_CAN1_TERMINATION);
+	putreg32(getreg32(STM32_RCC_APB1RSTR) | RCC_APB1RSTR_CAN1RST, STM32_RCC_APB1RSTR);
+	putreg32(getreg32(STM32_RCC_APB1RSTR) & ~RCC_APB1RSTR_CAN1RST, STM32_RCC_APB1RSTR);
+
+#if defined(OPT_WAIT_FOR_GETNODEINFO_JUMPER_GPIO)
+	stm32_configgpio(GPIO_GETNODEINFO_JUMPER);
+#endif
+
+}
+
+/************************************************************************************
+ * Name: board_deinitialize
+ *
+ * Description:
+ *   This function is called by the bootloader code prior to booting
+ *   the application. Is should place the HW into an benign initialized state.
+ *
+ ************************************************************************************/
+
+void board_deinitialize(void)
+{
+	putreg32(getreg32(STM32_RCC_APB1RSTR) | RCC_APB1RSTR_CAN1RST, STM32_RCC_APB1RSTR);
+}
+
+/****************************************************************************
+ * Name: board_get_product_name
+ *
+ * Description:
+ *   Called to retrieve the product name. The returned value is a assumed
+ *   to be written to a pascal style string that will be length prefixed
+ *   and not null terminated
+ *
+ * Input Parameters:
+ *    product_name - A pointer to a buffer to write the name.
+ *    maxlen       - The maximum number of charter that can be written
+ *
+ * Returned Value:
+ *   The length of characters written to the buffer.
+ *
+ ****************************************************************************/
+
+uint8_t board_get_product_name(uint8_t *product_name, size_t maxlen)
+{
+	DEBUGASSERT(maxlen > UAVCAN_STRLEN(HW_UAVCAN_NAME));
+	memcpy(product_name, HW_UAVCAN_NAME, UAVCAN_STRLEN(HW_UAVCAN_NAME));
+	return UAVCAN_STRLEN(HW_UAVCAN_NAME);
+}
+
+/****************************************************************************
+ * Name: board_get_hardware_version
+ *
+ * Description:
+ *   Called to retrieve the hardware version information. The function
+ *   will first initialize the the callers struct to all zeros.
+ *
+ * Input Parameters:
+ *    hw_version - A pointer to a uavcan_hardwareversion_t.
+ *
+ * Returned Value:
+ *   Length of the unique_id
+ *
+ ****************************************************************************/
+
+size_t board_get_hardware_version(uavcan_HardwareVersion_t *hw_version)
+{
+	memset(hw_version, 0, sizeof(uavcan_HardwareVersion_t));
+
+	hw_version->major = HW_VERSION_MAJOR;
+	hw_version->minor = HW_VERSION_MINOR;
+
+	return board_get_mfguid(*(mfguid_t *) hw_version->unique_id);
+}
+
+/****************************************************************************
+ * Name: board_indicate
+ *
+ * Description:
+ *   Provides User feedback to indicate the state of the bootloader
+ *   on board specific  hardware.
+ *
+ * Input Parameters:
+ *    indication - A member of the uiindication_t
+ *
+ * Returned Value:
+ *   None
+ *
+ ****************************************************************************/
+#define led(n, code, r , g , b, h) {.red = (r),.green = (g), .blue = (b),.hz = (h)}
+
+typedef begin_packed_struct struct led_t {
+	uint8_t red;
+	uint8_t green;
+	uint8_t blue;
+	uint8_t hz;
+} end_packed_struct led_t;
+
+static const  led_t i2l[] = {
+
+	led(0, off,                             0,     0,     0,     0),
+	led(1, reset,                          128,   128,   128,   30),
+	led(2, autobaud_start,                  0,   128,     0,     1),
+	led(3, autobaud_end,                    0,   128,     0,     2),
+	led(4, allocation_start,                0,     0,    64,     2),
+	led(5, allocation_end,                  0,   128,    64,     3),
+	led(6, fw_update_start,                32,   128,    64,     3),
+	led(7, fw_update_erase_fail,           32,   128,    32,     3),
+	led(8, fw_update_invalid_response,     64,     0,     0,     1),
+	led(9, fw_update_timeout,              64,     0,     0,     2),
+	led(a, fw_update_invalid_crc,          64,     0,     0,     4),
+	led(b, jump_to_app,                     0,   128,     0,    10),
+
+};
+
+void board_indicate(uiindication_t indication)
+{
+	rgb_led(i2l[indication].red,
+		i2l[indication].green,
+		i2l[indication].blue,
+		i2l[indication].hz);
+}
@@ -0,0 +1,130 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2021 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/*
+ * @file boot_config.h
+ *
+ * bootloader definitions that configures the behavior and options
+ * of the Boot loader
+ * This file is relies on the parent folder's boot_config.h file and defines
+ * different usages of the hardware for bootloading
+ */
+
+#pragma once
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+/* Bring in the board_config.h definitions
+ * todo:make this be pulled in from a targed's build
+ * files in nuttx*/
+
+#include "board_config.h"
+#include "uavcan.h"
+#include <nuttx/compiler.h>
+
+#include <stdint.h>
+
+#include <stm32_flash.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define OPT_PREFERRED_NODE_ID ANY_NODE_ID
+
+//todo:wrap OPT_x in in ifdefs for command line definitions
+#define OPT_TBOOT_MS                    5000
+#define OPT_NODE_STATUS_RATE_MS         800
+#define OPT_NODE_INFO_RATE_MS           50
+#define OPT_BL_NUMBER_TIMERS            7
+
+/*
+ *  This Option set is set to 1 ensure a provider of firmware has an
+ *  opportunity update the node's firmware.
+ *  This Option is the default policy and can be overridden by
+ *  a jumper
+ *  When this Policy is set, the node will ignore tboot and
+ *  wait indefinitely for a GetNodeInfo request before booting.
+ *
+ *  OPT_WAIT_FOR_GETNODEINFO_JUMPER_GPIO_INVERT is used to allow
+ *  the polarity of the jumper to be True Active
+ *
+ *  wait  OPT_WAIT_FOR_GETNODEINFO  OPT_WAIT_FOR_GETNODEINFO_JUMPER_GPIO
+ *                                                 Jumper
+ *   yes           1                       0         x
+ *   yes           1                       1       Active
+ *   no            1                       1       Not Active
+ *   no            0                       0         X
+ *   yes           0                       1       Active
+ *   no            0                       1       Not Active
+ *
+ */
+#define OPT_WAIT_FOR_GETNODEINFO                    0
+#define OPT_WAIT_FOR_GETNODEINFO_JUMPER_GPIO        1
+#define OPT_WAIT_FOR_GETNODEINFO_JUMPER_GPIO_INVERT 0
+
+#define OPT_ENABLE_WD           1
+
+#define OPT_RESTART_TIMEOUT_MS          20000
+
+/* Reserved for the Booloader */
+#define OPT_BOOTLOADER_SIZE_IN_K        (1024*64)
+
+/* Reserved for the application out of the total
+ * system flash minus the BOOTLOADER_SIZE_IN_K
+ */
+#define OPT_APPLICATION_RESERVER_IN_K    0
+
+#define OPT_APPLICATION_IMAGE_OFFSET    OPT_BOOTLOADER_SIZE_IN_K
+#define OPT_APPLICATION_IMAGE_LENGTH    (FLASH_SIZE-(OPT_BOOTLOADER_SIZE_IN_K+OPT_APPLICATION_RESERVER_IN_K))
+
+
+#define FLASH_BASE              STM32_FLASH_BASE
+#define FLASH_SIZE              STM32_FLASH_SIZE
+
+#define APPLICATION_LOAD_ADDRESS (FLASH_BASE + OPT_APPLICATION_IMAGE_OFFSET)
+#define APPLICATION_SIZE (FLASH_SIZE-OPT_APPLICATION_IMAGE_OFFSET)
+#define APPLICATION_LAST_8BIT_ADDRRESS  ((uint8_t *)((APPLICATION_LOAD_ADDRESS+APPLICATION_SIZE)-sizeof(uint8_t)))
+#define APPLICATION_LAST_32BIT_ADDRRESS ((uint32_t *)((APPLICATION_LOAD_ADDRESS+APPLICATION_SIZE)-sizeof(uint32_t)))
+#define APPLICATION_LAST_64BIT_ADDRRESS ((uint64_t *)((APPLICATION_LOAD_ADDRESS+APPLICATION_SIZE)-sizeof(uint64_t)))
+
+/* If this board uses big flash that have large sectors */
+
+#define OPT_USE_YIELD
+
+/* Bootloader Option*****************************************************************
+ *
+ */
+#define GPIO_GETNODEINFO_JUMPER (GPIO_BOOT_CONFIG & ~GPIO_EXTI)
@@ -0,0 +1,130 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2021 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file can.c
+ *
+ * Board-specific CAN functions.
+ */
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <px4_platform_common/px4_config.h>
+
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/can/can.h>
+#include <arch/board/board.h>
+
+#include "chip.h"
+#include "arm_arch.h"
+
+#include "stm32.h"
+#include "stm32_can.h"
+#include "board_config.h"
+
+#ifdef CONFIG_CAN
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+/* Configuration ********************************************************************/
+
+#if defined(CONFIG_STM32_CAN1) && defined(CONFIG_STM32_CAN2)
+#  warning "Both CAN1 and CAN2 are enabled.  Assuming only CAN1."
+#  undef CONFIG_STM32_CAN2
+#endif
+
+#ifdef CONFIG_STM32_CAN1
+#  define CAN_PORT 1
+#else
+#  define CAN_PORT 2
+#endif
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+int can_devinit(void);
+
+/************************************************************************************
+ * Name: can_devinit
+ *
+ * Description:
+ *   All STM32 architectures must provide the following interface to work with
+ *   examples/can.
+ *
+ ************************************************************************************/
+
+int can_devinit(void)
+{
+	static bool initialized = false;
+	struct can_dev_s *can;
+	int ret;
+
+	/* Check if we have already initialized */
+
+	if (!initialized) {
+		/* Call stm32_caninitialize() to get an instance of the CAN interface */
+
+		can = stm32_caninitialize(CAN_PORT);
+
+		if (can == NULL) {
+			canerr("ERROR:  Failed to get CAN interface\n");
+			return -ENODEV;
+		}
+
+		/* Register the CAN driver at "/dev/can0" */
+
+		ret = can_register("/dev/can0", can);
+
+		if (ret < 0) {
+			canerr("ERROR: can_register failed: %d\n", ret);
+			return ret;
+		}
+
+		/* Now we are initialized */
+
+		initialized = true;
+	}
+
+	return OK;
+}
+
+#endif
@@ -0,0 +1,38 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2021 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#include <px4_arch/i2c_hw_description.h>
+
+constexpr px4_i2c_bus_t px4_i2c_buses[I2C_BUS_MAX_BUS_ITEMS] = {
+	initI2CBusExternal(1),
+};
@@ -0,0 +1,188 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2021 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file init.c
+ *
+ * board specific early startup code.  This file implements the
+ * board_app_initialize() function that is called early by nsh during startup.
+ *
+ * Code here is run before the rcS script is invoked; it should start required
+ * subsystems and perform board-specific initialization.
+ */
+
+#include <px4_platform_common/px4_config.h>
+#include <px4_platform_common/tasks.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <debug.h>
+#include <errno.h>
+#include <syslog.h>
+
+#include <nuttx/board.h>
+
+#include <stm32.h>
+#include "board_config.h"
+#include "led.h"
+#include <stm32_uart.h>
+
+#include <arch/board/board.h>
+
+#include <drivers/drv_hrt.h>
+#include <drivers/drv_board_led.h>
+#include <drivers/drv_watchdog.h>
+
+#include <systemlib/px4_macros.h>
+
+#include <px4_platform_common/init.h>
+#include <px4_platform/gpio.h>
+
+#include <drivers/drv_pwm_output.h>
+#include <px4_arch/io_timer.h>
+
+# if defined(FLASH_BASED_PARAMS)
+#  include <parameters/flashparams/flashfs.h>
+#endif
+
+/************************************************************************************
+ * Name: board_on_reset
+ *
+ * Description:
+ * Optionally provided function called on entry to board_system_reset
+ * It should perform any house keeping prior to the rest.
+ *
+ * status - 1 if resetting to boot loader
+ *          0 if just resetting
+ *
+ ************************************************************************************/
+__EXPORT void board_on_reset(int status)
+{
+	// Configure the GPIO pins to outputs and keep them low.
+	for (int i = 0; i < DIRECT_PWM_OUTPUT_CHANNELS; ++i) {
+		px4_arch_configgpio(io_timer_channel_get_gpio_output(i));
+	}
+
+	/*
+	 * On resets invoked from system (not boot) insure we establish a low
+	 * output state (discharge the pins) on PWM pins before they become inputs.
+	 */
+
+	if (status >= 0) {
+		up_mdelay(400);
+	}
+}
+
+/************************************************************************************
+ * Name: stm32_boardinitialize
+ *
+ * Description:
+ *   All STM32 architectures must provide the following entry point.  This entry point
+ *   is called early in the initialization -- after all memory has been configured
+ *   and mapped but before any devices have been initialized.
+ *
+ ************************************************************************************/
+
+__EXPORT void stm32_boardinitialize(void)
+{
+	// Reset all PWM to Low outputs.
+	board_on_reset(-1);
+
+	watchdog_init();
+
+	/* configure pins */
+	const uint32_t gpio[] = PX4_GPIO_INIT_LIST;
+	px4_gpio_init(gpio, arraySize(gpio));
+
+	// Configure SPI all interfaces GPIO & enable power.
+	stm32_spiinitialize();
+}
+
+/****************************************************************************
+ * Name: board_app_initialize
+ *
+ * Description:
+ *   Perform application specific initialization.  This function is never
+ *   called directly from application code, but only indirectly via the
+ *   (non-standard) boardctl() interface using the command BOARDIOC_INIT.
+ *
+ * Input Parameters:
+ *   arg - The boardctl() argument is passed to the board_app_initialize()
+ *         implementation without modification.  The argument has no
+ *         meaning to NuttX; the meaning of the argument is a contract
+ *         between the board-specific initalization logic and the the
+ *         matching application logic.  The value cold be such things as a
+ *         mode enumeration value, a set of DIP switch switch settings, a
+ *         pointer to configuration data read from a file or serial FLASH,
+ *         or whatever you would like to do with it.  Every implementation
+ *         should accept zero/NULL as a default configuration.
+ *
+ * Returned Value:
+ *   Zero (OK) is returned on success; a negated errno value is returned on
+ *   any failure to indicate the nature of the failure.
+ *
+ ****************************************************************************/
+
+__EXPORT int board_app_initialize(uintptr_t arg)
+{
+	px4_platform_init();
+
+#if defined(SERIAL_HAVE_RXDMA)
+	// set up the serial DMA polling at 1ms intervals for received bytes that have not triggered a DMA event.
+	static struct hrt_call serial_dma_call;
+	hrt_call_every(&serial_dma_call, 1000, 1000, (hrt_callout)stm32_serial_dma_poll, NULL);
+#endif
+
+#if defined(FLASH_BASED_PARAMS)
+	static sector_descriptor_t params_sector_map[] = {
+		{2, 16 * 1024, 0x08008000},
+		{3, 16 * 1024, 0x0800C000},
+		{0, 0, 0},
+	};
+
+	/* Initialize the flashfs layer to use heap allocated memory */
+	int result = parameter_flashfs_init(params_sector_map, NULL, 0);
+
+	if (result != OK) {
+		syslog(LOG_ERR, "[boot] FAILED to init params in FLASH %d\n", result);
+	}
+
+#endif // FLASH_BASED_PARAMS
+
+	/* Configure the HW based on the manifest */
+
+	px4_platform_configure();
+
+	return OK;
+}
@@ -0,0 +1,124 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2021 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file led.c
+ *
+ * LED backend.
+ */
+
+#include <px4_platform_common/px4_config.h>
+
+#include <stdbool.h>
+
+#include "chip.h"
+#include "stm32_gpio.h"
+#include "board_config.h"
+
+#include <nuttx/board.h>
+#include <arch/board/board.h>
+
+#include "led.h"
+
+#define TMR_BASE        STM32_TIM1_BASE
+#define TMR_FREQUENCY   STM32_APB2_TIM1_CLKIN
+#define TMR_REG(o)      (TMR_BASE+(o))
+
+void rgb_led(int r, int g, int b, int freqs)
+{
+
+	long fosc = TMR_FREQUENCY;
+	long prescale = 2048;
+	long p1s = fosc / prescale;
+	long p0p5s  = p1s / 2;
+	uint16_t val;
+	static bool once = 0;
+
+	if (!once) {
+		once = 1;
+
+		/* Enabel Clock to Block */
+		modifyreg32(STM32_RCC_APB2ENR, 0, RCC_APB2ENR_TIM1EN);
+
+		/* Reload */
+
+		val = getreg16(TMR_REG(STM32_BTIM_EGR_OFFSET));
+		val |= ATIM_EGR_UG;
+		putreg16(val, TMR_REG(STM32_BTIM_EGR_OFFSET));
+
+		/* Set Prescaler STM32_TIM_SETCLOCK */
+
+		putreg16(prescale, TMR_REG(STM32_BTIM_PSC_OFFSET));
+
+		/* Enable STM32_TIM_SETMODE*/
+
+		putreg16(ATIM_CR1_CEN | ATIM_CR1_ARPE, TMR_REG(STM32_BTIM_CR1_OFFSET));
+
+
+		putreg16((ATIM_CCMR_MODE_PWM1 << ATIM_CCMR1_OC1M_SHIFT) | ATIM_CCMR1_OC1PE |
+			 (ATIM_CCMR_MODE_PWM1 << ATIM_CCMR1_OC2M_SHIFT) | ATIM_CCMR1_OC2PE, TMR_REG(STM32_GTIM_CCMR1_OFFSET));
+		putreg16((ATIM_CCMR_MODE_PWM1 << ATIM_CCMR2_OC3M_SHIFT) | ATIM_CCMR2_OC3PE, TMR_REG(STM32_GTIM_CCMR2_OFFSET));
+		putreg16(ATIM_CCER_CC3E | ATIM_CCER_CC3P |
+			 ATIM_CCER_CC2E | ATIM_CCER_CC2P |
+			 ATIM_CCER_CC1E | ATIM_CCER_CC1P, TMR_REG(STM32_GTIM_CCER_OFFSET));
+
+
+		stm32_configgpio(GPIO_TIM1_CH1);
+		stm32_configgpio(GPIO_TIM1_CH2);
+		stm32_configgpio(GPIO_TIM1_CH3);
+
+		/* master output enable = on */
+		putreg16(ATIM_BDTR_MOE, (TMR_REG(STM32_ATIM_BDTR_OFFSET)));
+	}
+
+	long p  = freqs == 0 ? p1s : p1s / freqs;
+	putreg32(p, TMR_REG(STM32_BTIM_ARR_OFFSET));
+
+	p  = freqs == 0 ? p1s + 1 : p0p5s / freqs;
+
+	putreg32((r * p) / 255, TMR_REG(STM32_GTIM_CCR1_OFFSET));
+	putreg32((g * p) / 255, TMR_REG(STM32_GTIM_CCR2_OFFSET));
+	putreg32((b * p) / 255, TMR_REG(STM32_GTIM_CCR3_OFFSET));
+
+	val = getreg16(TMR_REG(STM32_BTIM_CR1_OFFSET));
+
+	if (freqs == 0) {
+		val &= ~ATIM_CR1_CEN;
+
+	} else {
+		val |= ATIM_CR1_CEN;
+	}
+
+	putreg16(val, TMR_REG(STM32_BTIM_CR1_OFFSET));
+
+}
@@ -0,0 +1,37 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2015 PX4 Development Team. All rights reserved.
+ *   Author: David Sidrane<david_s5@nscdg.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+__BEGIN_DECLS
+void rgb_led(int r, int g, int b, int freqs);
+__END_DECLS
@@ -0,0 +1,48 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2021 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#include <px4_arch/spi_hw_description.h>
+#include <drivers/drv_sensor.h>
+#include <nuttx/spi/spi.h>
+
+constexpr px4_spi_bus_t px4_spi_buses[SPI_BUS_MAX_BUS_ITEMS] = {
+	initSPIBus(SPI::Bus::SPI1, {
+		initSPIDevice(DRV_IMU_DEVTYPE_ICM42688P, SPI::CS{GPIO::PortA, GPIO::Pin4}, SPI::DRDY{GPIO::PortB, GPIO::Pin2}),
+	}),
+	initSPIBusExternal(SPI::Bus::SPI2, {
+		initSPIConfigExternal(SPI::CS{GPIO::PortB, GPIO::Pin12}),
+		initSPIConfigExternal(SPI::CS{GPIO::PortC, GPIO::Pin13}),
+	}),
+};
+
+static constexpr bool unused = validateSPIConfig(px4_spi_buses);
@@ -0,0 +1,54 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2012 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#include <px4_arch/io_timer_hw_description.h>
+
+constexpr io_timers_t io_timers[MAX_IO_TIMERS] = {
+	initIOTimer(Timer::Timer2),
+	initIOTimer(Timer::Timer3),
+	//initIOTimer(Timer::Timer4),
+};
+
+constexpr timer_io_channels_t timer_io_channels[MAX_TIMER_IO_CHANNELS] = {
+	initIOTimerChannel(io_timers, {Timer::Timer2, Timer::Channel1}, {GPIO::PortA, GPIO::Pin0}),
+	initIOTimerChannel(io_timers, {Timer::Timer2, Timer::Channel2}, {GPIO::PortA, GPIO::Pin1}),
+	initIOTimerChannel(io_timers, {Timer::Timer2, Timer::Channel3}, {GPIO::PortB, GPIO::Pin10}),
+	initIOTimerChannel(io_timers, {Timer::Timer3, Timer::Channel1}, {GPIO::PortB, GPIO::Pin4}),
+	initIOTimerChannel(io_timers, {Timer::Timer3, Timer::Channel2}, {GPIO::PortB, GPIO::Pin5}),
+	initIOTimerChannel(io_timers, {Timer::Timer3, Timer::Channel3}, {GPIO::PortB, GPIO::Pin0}),
+	//initIOTimerChannel(io_timers, {Timer::Timer3, Timer::Channel4}, {GPIO::PortB, GPIO::Pin1}),
+	//initIOTimerChannel(io_timers, {Timer::Timer4, Timer::Channel2}, {GPIO::PortB, GPIO::Pin7}),
+};
+
+constexpr io_timers_channel_mapping_t io_timers_channel_mapping =
+	initIOTimerChannelMapping(io_timers, timer_io_channels);
@@ -0,0 +1,17 @@
+# UAVCAN boot loadable Module ID
+set(uavcanblid_sw_version_major 0)
+set(uavcanblid_sw_version_minor 1)
+add_definitions(
+	-DAPP_VERSION_MAJOR=${uavcanblid_sw_version_major}
+	-DAPP_VERSION_MINOR=${uavcanblid_sw_version_minor}
+)
+
+set(uavcanblid_hw_version_major 0)
+set(uavcanblid_hw_version_minor 83)
+set(uavcanblid_name "\"org.ark.cannode\"")
+
+add_definitions(
+	-DHW_UAVCAN_NAME=${uavcanblid_name}
+	-DHW_VERSION_MAJOR=${uavcanblid_hw_version_major}
+	-DHW_VERSION_MINOR=${uavcanblid_hw_version_minor}
+)
@@ -11,7 +11,7 @@ lps22hb -s start

 lsm303agr -s -R 4 start

-ms4525_airspeed -T 4515 -I -b 3 start
+ms4515 -I -b 3 start

 if ! param greater SENS_EN_PMW3901 0
 then
@@ -40,7 +40,6 @@ CONFIG_DRIVERS_SMART_BATTERY_BATMON=y
 CONFIG_COMMON_TELEMETRY=y
 CONFIG_DRIVERS_TONE_ALARM=y
 CONFIG_DRIVERS_UAVCAN=y
-CONFIG_BOARD_UAVCAN_TIMER_OVERRIDE=2
 CONFIG_MODULES_AIRSPEED_SELECTOR=y
 CONFIG_MODULES_ATTITUDE_ESTIMATOR_Q=y
 CONFIG_MODULES_BATTERY_STATUS=y
@@ -41,7 +41,6 @@ CONFIG_DRIVERS_SMART_BATTERY_BATMON=y
 CONFIG_COMMON_TELEMETRY=y
 CONFIG_DRIVERS_TONE_ALARM=y
 CONFIG_DRIVERS_UAVCAN=y
-CONFIG_BOARD_UAVCAN_TIMER_OVERRIDE=2
 CONFIG_MODULES_AIRSPEED_SELECTOR=y
 CONFIG_MODULES_ATTITUDE_ESTIMATOR_Q=y
 CONFIG_MODULES_BATTERY_STATUS=y
@@ -4,6 +4,7 @@ CONFIG_DRIVERS_IRLOCK=n
 CONFIG_DRIVERS_PCA9685=n
 CONFIG_DRIVERS_PCA9685_PWM_OUT=n
 CONFIG_DRIVERS_RPM=n
+CONFIG_EXAMPLES_FAKE_GPS=n
 CONFIG_MODULES_ATTITUDE_ESTIMATOR_Q=n
 CONFIG_MODULES_LOCAL_POSITION_ESTIMATOR=n
 CONFIG_MODULES_ROVER_POS_CONTROL=n
@@ -70,29 +70,19 @@

 /* LEDS  **********************************************************************/

-#define GPIO_LED1 (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN14)
-#define GPIO_LED2 (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN15)
-#define GPIO_LED3 (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN13)
-#define GPIO_LED4 (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTA|GPIO_PIN11)
+#define GPIO_LED_AMBER  (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN15) // IO-LED_AMBER
+#define GPIO_LED_SAFETY (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN13) // IO-LED_SAFETY
+#define GPIO_LED_GREEN  (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTA|GPIO_PIN11) // IO-LED_POWER_BREATHING

-#define GPIO_HEATER_OFF (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN14)
+#define LED_AMBER(on_true)  stm32_gpiowrite(GPIO_LED_AMBER, !(on_true))
+#define LED_SAFETY(on_true) stm32_gpiowrite(GPIO_LED_SAFETY, !(on_true))
+#define LED_GREEN(on_true)   stm32_gpiowrite(GPIO_LED_GREEN, (on_true))

-#define GPIO_PC14 (GPIO_INPUT|GPIO_CNF_INFLOAT|GPIO_MODE_INPUT|GPIO_PORTC|GPIO_PIN14)
-#define GPIO_PC15 (GPIO_INPUT|GPIO_CNF_INFLOAT|GPIO_MODE_INPUT|GPIO_PORTC|GPIO_PIN15)

-/*  PixHawk 1:
- *      PC14 Floating
- *      PC15 Floating
- *
- *  PixHawk 2:
- *      PC14 3.3v
- *      PC15 GND
- */
+/* HEATER */
+#define GPIO_HEATER_OUTPUT   /* PB14 */ (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN14)
+#define HEATER_OUTPUT_EN(on_true)       stm32_gpiowrite(GPIO_HEATER_OUTPUT, (on_true))

-#define GPIO_SENSE_PC14_DN (GPIO_INPUT|GPIO_CNF_INPULLDWN|GPIO_MODE_INPUT|GPIO_PORTC|GPIO_PIN14)
-#define GPIO_SENSE_PC15_UP (GPIO_INPUT|GPIO_CNF_INPULLUP|GPIO_MODE_INPUT|GPIO_PORTC|GPIO_PIN15)
-# define SENSE_PH1 0b10 /* Floating pulled as set */
-# define SENSE_PH2 0b01 /* Driven as tied */

 #define GPIO_USART1_RX_SPEKTRUM		(GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTA|GPIO_PIN10)

@@ -150,18 +140,6 @@
 #define HRT_PPM_CHANNEL		1	/* use capture/compare channel 1 PA8 */
 #define GPIO_PPM_IN		(GPIO_ALT|GPIO_CNF_INPULLUP|GPIO_PORTA|GPIO_PIN8)

-/* LED definitions ******************************************************************/
-/* PX4 has two LEDs that we will encode as: */
-
-#define LED_STARTED       0  /* LED? */
-#define LED_HEAPALLOCATE  1  /* LED? */
-#define LED_IRQSENABLED   2  /* LED? + LED? */
-#define LED_STACKCREATED  3  /* LED? */
-#define LED_INIRQ         4  /* LED? + LED? */
-#define LED_SIGNAL        5  /* LED? + LED? */
-#define LED_ASSERTION     6  /* LED? + LED? + LED? */
-#define LED_PANIC         7  /* N/C  + N/C  + N/C + LED? */
-
 #define BOARD_NUM_IO_TIMERS 3

 #include <px4_platform_common/board_common.h>
@@ -32,7 +32,7 @@
 ****************************************************************************/

 /**
- * @file px4iov2_init.c
+ * @file init.c
 *
 * PX4FMU-specific early startup code.  This file implements the
 * stm32_boardinitialize() function that is called during cpu startup.
@@ -84,38 +84,14 @@

 __EXPORT void stm32_boardinitialize(void)
 {
-
 	/* configure GPIOs */

-	/* Set up for sensing HW */
-
-	stm32_configgpio(GPIO_SENSE_PC14_DN);
-	stm32_configgpio(GPIO_SENSE_PC15_UP);
+	stm32_configgpio(GPIO_HEATER_OUTPUT);

 	/* LEDS - default to off */
-	stm32_configgpio(GPIO_LED1);
-	stm32_configgpio(GPIO_LED2);
-	stm32_configgpio(GPIO_LED3);
-	stm32_configgpio(GPIO_LED4);
-
-	/*  PixHawk 1:
-	 *      PC14 Floating
-	 *      PC15 Floating
-	 *
-	 *  PixHawk 2:
-	 *      PC14 3.3v
-	 *      PC15 GND
-	 */
-
-	uint8_t sense = stm32_gpioread(GPIO_SENSE_PC15_UP) << 1  | stm32_gpioread(GPIO_SENSE_PC14_DN);
-
-	if (sense == SENSE_PH2) {
-		stm32_configgpio(GPIO_HEATER_OFF);
-	}
-
-	stm32_configgpio(GPIO_PC14);
-	stm32_configgpio(GPIO_PC15);
-
+	stm32_configgpio(GPIO_LED_AMBER);
+	stm32_configgpio(GPIO_LED_SAFETY);
+	stm32_configgpio(GPIO_LED_GREEN);

 	stm32_configgpio(GPIO_BTN_SAFETY);

@@ -163,4 +139,7 @@ __EXPORT void stm32_boardinitialize(void)

 	stm32_gpiowrite(GPIO_PWM8, true);
 	stm32_configgpio(GPIO_PWM8);
+
+	/* disable heater */
+	HEATER_OUTPUT_EN(false);
 }
@@ -0,0 +1,47 @@
+CONFIG_BOARD_TOOLCHAIN="arm-none-eabi"
+CONFIG_BOARD_ARCHITECTURE="cortex-m4"
+CONFIG_BOARD_CONSTRAINED_FLASH=y
+CONFIG_BOARD_NO_HELP=y
+CONFIG_BOARD_CONSTRAINED_MEMORY=y
+CONFIG_BOARD_EXTERNAL_METADATA=y
+CONFIG_BOARD_SERIAL_URT6="/dev/ttyS2"
+CONFIG_BOARD_SERIAL_TEL2="/dev/ttyS1"
+CONFIG_DRIVERS_ADC_BOARD_ADC=y
+CONFIG_DRIVERS_BAROMETER_BMP280=y
+CONFIG_DRIVERS_DSHOT=y
+CONFIG_DRIVERS_GPS=y
+CONFIG_DRIVERS_IMU_INVENSENSE_ICM20602=y
+CONFIG_DRIVERS_IMU_INVENSENSE_MPU6000=y
+CONFIG_DRIVERS_IMU_INVENSENSE_MPU9250=y
+CONFIG_DRIVERS_MAGNETOMETER_AKM_AK8963=y
+CONFIG_DRIVERS_MAGNETOMETER_HMC5883=y
+CONFIG_DRIVERS_OSD=y
+CONFIG_DRIVERS_PWM_OUT=y
+CONFIG_DRIVERS_RC_INPUT=y
+CONFIG_MODULES_ATTITUDE_ESTIMATOR_Q=y
+CONFIG_MODULES_BATTERY_STATUS=y
+CONFIG_MODULES_COMMANDER=y
+CONFIG_MODULES_CONTROL_ALLOCATOR=y
+CONFIG_MODULES_DATAMAN=y
+CONFIG_MODULES_EKF2=y
+CONFIG_MODULES_FLIGHT_MODE_MANAGER=y
+CONFIG_MODULES_LAND_DETECTOR=y
+CONFIG_MODULES_LOAD_MON=y
+CONFIG_MODULES_MANUAL_CONTROL=y
+CONFIG_MODULES_MAVLINK=y
+CONFIG_MODULES_MC_ATT_CONTROL=y
+CONFIG_MODULES_MC_HOVER_THRUST_ESTIMATOR=y
+CONFIG_MODULES_MC_POS_CONTROL=y
+CONFIG_MODULES_MC_RATE_CONTROL=y
+CONFIG_MODULES_NAVIGATOR=y
+CONFIG_MODULES_RC_UPDATE=y
+CONFIG_MODULES_SENSORS=y
+CONFIG_SYSTEMCMDS_DMESG=y
+CONFIG_SYSTEMCMDS_MFT=y
+CONFIG_SYSTEMCMDS_MIXER=y
+CONFIG_SYSTEMCMDS_MTD=y
+CONFIG_SYSTEMCMDS_NSHTERM=y
+CONFIG_SYSTEMCMDS_PARAM=y
+CONFIG_SYSTEMCMDS_PWM=y
+CONFIG_SYSTEMCMDS_REBOOT=y
+CONFIG_SYSTEMCMDS_VER=y
@@ -0,0 +1,13 @@
+{
+    "board_id": 42,
+    "magic": "MAMBAF405MK2",
+    "description": "Firmware for the MambaF405Mk2 board",
+    "image": "",
+    "build_time": 0,
+    "summary": "PX4/MambaF405",
+    "version": "0.1",
+    "image_size": 0,
+    "image_maxsize": 1032192,
+    "git_identity": "",
+    "board_revision": 0
+}
@@ -0,0 +1,18 @@
+#!/bin/sh
+#
+# board specific defaults
+#------------------------------------------------------------------------------
+
+# system_power unavailable
+param set-default CBRK_SUPPLY_CHK 894281
+
+# Disable safety switch by default
+param set-default CBRK_IO_SAFETY 22027
+
+# use the Q attitude estimator, it works w/o mag or GPS.
+param set-default SYS_MC_EST_GROUP 3
+param set-default ATT_ACC_COMP 0
+param set-default ATT_W_ACC 0.4000
+param set-default ATT_W_GYRO_BIAS 0.0000
+
+param set-default SYS_HAS_MAG 0
@@ -0,0 +1,9 @@
+#!/bin/sh
+#
+# Mamba F405 MK2 specific board extras init
+#------------------------------------------------------------------------------
+
+if ! param compare OSD_ATXXXX_CFG 0
+then
+	atxxxx start -s
+fi
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# Mamba F405 MK2 specific board sensors init
+#------------------------------------------------------------------------------
+
+board_adc start
+
+if ! mpu6000 -R 6 -s start
+then
+	# some boards such as the Hobbywing XRotor F4 G2 use the ICM-20602
+	icm20602 -s -R 6 start
+fi
+
+if ! hmc5883 -T -X start
+then	
+	if mpu9250_i2c -X -b 2 -a 0x68 -R 28 start; then
+		sleep 1 # wait for mpu9250 to be configured with bypass enabled
+		ak8963 -X -b 2 -R 30 start # -R 34
+		sleep 1
+		mpu9250_i2c stop
+		ak8963 -X -b 2 -R 30 start # -R 34
+	fi
+fi
+
+bmp280 -X -b 2 start
@@ -0,0 +1,327 @@
+/************************************************************************************
+ * nuttx-configs/diatone_mamba-f405-mk2/include/board.h
+ * include/arch/board/board.h
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ *   Copyright (c) 2018 PX4 Development Team. All rights reserved.
+ *   Author: Nathan Tsoi <nathan@vertile.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __CONFIG_MAMBAF405MK2_INCLUDE_BOARD_H
+#define __CONFIG_MAMBAF405MK2_INCLUDE_BOARD_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+#include "board_dma_map.h"
+
+#include <nuttx/config.h>
+
+#ifndef __ASSEMBLY__
+# include <stdint.h>
+#endif
+
+#include "stm32_rcc.h"
+#include "stm32_sdio.h"
+#include "stm32.h"
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/* Clocking *************************************************************************/
+/* The mambaf405mk2 board features a single 8MHz crystal.  Space is provided
+ * for a 32kHz RTC backup crystal, but it is not stuffed.
+ *
+ * This is the canonical configuration:
+ *   System Clock source           : PLL (HSE)
+ *   SYSCLK(Hz)                    : 168000000    Determined by PLL configuration
+ *   HCLK(Hz)                      : 168000000    (STM32_RCC_CFGR_HPRE)
+ *   AHB Prescaler                 : 1            (STM32_RCC_CFGR_HPRE)
+ *   APB1 Prescaler                : 4            (STM32_RCC_CFGR_PPRE1)
+ *   APB2 Prescaler                : 2            (STM32_RCC_CFGR_PPRE2)
+ *   HSE Frequency(Hz)             : 8000000      (STM32_BOARD_XTAL)
+ *   PLLM                          : 8            (STM32_PLLCFG_PLLM)
+ *   PLLN                          : 336          (STM32_PLLCFG_PLLN)
+ *   PLLP                          : 2            (STM32_PLLCFG_PLLP)
+ *   PLLQ                          : 7            (STM32_PLLCFG_PLLQ)
+ *   Main regulator output voltage : Scale1 mode  Needed for high speed SYSCLK
+ *   Flash Latency(WS)             : 5
+ *   Prefetch Buffer               : OFF
+ *   Instruction cache             : ON
+ *   Data cache                    : ON
+ *   Require 48MHz for USB OTG FS, : Enabled
+ *   SDIO and RNG clock
+ */
+
+/* HSI - 16 MHz RC factory-trimmed
+ * LSI - 32 KHz RC
+ * HSE - On-board crystal frequency is 8MHz
+ * LSE - 32.768 kHz
+ */
+
+#define STM32_BOARD_XTAL        8000000ul
+
+#define STM32_HSI_FREQUENCY     16000000ul
+#define STM32_LSI_FREQUENCY     32000
+#define STM32_HSE_FREQUENCY     STM32_BOARD_XTAL
+#define STM32_LSE_FREQUENCY     32768
+
+/* Main PLL Configuration.
+ *
+ * PLL source is HSE
+ * PLL_VCO = (STM32_HSE_FREQUENCY / PLLM) * PLLN
+ *         = (8,000,000 / 8) * 336
+ *         = 336,000,000
+ * SYSCLK  = PLL_VCO / PLLP
+ *         = 336,000,000 / 2 = 168,000,000
+ * USB OTG FS, SDIO and RNG Clock
+ *         =  PLL_VCO / PLLQ
+ *         = 48,000,000
+ */
+
+#define STM32_PLLCFG_PLLM       RCC_PLLCFG_PLLM(8)
+#define STM32_PLLCFG_PLLN       RCC_PLLCFG_PLLN(336)
+#define STM32_PLLCFG_PLLP       RCC_PLLCFG_PLLP_2
+#define STM32_PLLCFG_PLLQ       RCC_PLLCFG_PLLQ(7)
+
+#define STM32_SYSCLK_FREQUENCY  168000000ul
+
+/* AHB clock (HCLK) is SYSCLK (168MHz) */
+
+#define STM32_RCC_CFGR_HPRE     RCC_CFGR_HPRE_SYSCLK  /* HCLK  = SYSCLK / 1 */
+#define STM32_HCLK_FREQUENCY    STM32_SYSCLK_FREQUENCY
+#define STM32_BOARD_HCLK        STM32_HCLK_FREQUENCY  /* same as above, to satisfy compiler */
+
+/* APB1 clock (PCLK1) is HCLK/4 (42MHz) */
+
+#define STM32_RCC_CFGR_PPRE1    RCC_CFGR_PPRE1_HCLKd4     /* PCLK1 = HCLK / 4 */
+#define STM32_PCLK1_FREQUENCY   (STM32_HCLK_FREQUENCY/4)
+
+/* Timers driven from APB1 will be twice PCLK1 */
+
+#define STM32_APB1_TIM2_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM3_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM4_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM5_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM6_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM7_CLKIN   (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM12_CLKIN  (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM13_CLKIN  (2*STM32_PCLK1_FREQUENCY)
+#define STM32_APB1_TIM14_CLKIN  (2*STM32_PCLK1_FREQUENCY)
+
+/* APB2 clock (PCLK2) is HCLK/2 (84MHz) */
+
+#define STM32_RCC_CFGR_PPRE2    RCC_CFGR_PPRE2_HCLKd2     /* PCLK2 = HCLK / 2 */
+#define STM32_PCLK2_FREQUENCY   (STM32_HCLK_FREQUENCY/2)
+
+/* Timers driven from APB2 will be twice PCLK2 */
+
+#define STM32_APB2_TIM1_CLKIN   (2*STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM8_CLKIN   (2*STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM9_CLKIN   (2*STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM10_CLKIN  (2*STM32_PCLK2_FREQUENCY)
+#define STM32_APB2_TIM11_CLKIN  (2*STM32_PCLK2_FREQUENCY)
+
+/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
+ * otherwise frequency is 2xAPBx.
+ * Note: TIM1,8-11 are on APB2, others on APB1
+ */
+
+#define BOARD_TIM1_FREQUENCY    STM32_APB2_TIM1_CLKIN
+#define BOARD_TIM2_FREQUENCY    STM32_APB1_TIM2_CLKIN
+#define BOARD_TIM3_FREQUENCY    STM32_APB1_TIM3_CLKIN
+#define BOARD_TIM4_FREQUENCY    STM32_APB1_TIM4_CLKIN
+#define BOARD_TIM5_FREQUENCY    STM32_APB1_TIM5_CLKIN
+#define BOARD_TIM6_FREQUENCY    STM32_APB1_TIM6_CLKIN
+#define BOARD_TIM7_FREQUENCY    STM32_APB1_TIM7_CLKIN
+#define BOARD_TIM8_FREQUENCY    STM32_APB2_TIM8_CLKIN
+#define BOARD_TIM9_FREQUENCY    STM32_APB2_TIM9_CLKIN
+#define BOARD_TIM10_FREQUENCY   STM32_APB2_TIM10_CLKIN
+#define BOARD_TIM11_FREQUENCY   STM32_APB2_TIM11_CLKIN
+#define BOARD_TIM12_FREQUENCY   STM32_APB1_TIM12_CLKIN
+#define BOARD_TIM13_FREQUENCY   STM32_APB1_TIM13_CLKIN
+#define BOARD_TIM14_FREQUENCY   STM32_APB1_TIM14_CLKIN
+
+/* SDIO dividers.  Note that slower clocking is required when DMA is disabled
+ * in order to avoid RX overrun/TX underrun errors due to delayed responses
+ * to service FIFOs in interrupt driven mode.  These values have not been
+ * tuned!!!
+ *
+ * SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(118+2)=400 KHz
+ */
+
+#define SDIO_INIT_CLKDIV        (118 << SDIO_CLKCR_CLKDIV_SHIFT)
+
+/* DMA ON:  SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)=16 MHz
+ * DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)=12 MHz
+ */
+
+#ifdef CONFIG_STM32_SDIO_DMA
+#  define SDIO_MMCXFR_CLKDIV    (1 << SDIO_CLKCR_CLKDIV_SHIFT)
+#else
+#  define SDIO_MMCXFR_CLKDIV    (2 << SDIO_CLKCR_CLKDIV_SHIFT)
+#endif
+
+/* DMA ON:  SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)=16 MHz
+ * DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)=12 MHz
+ */
+
+#ifdef CONFIG_STM32_SDIO_DMA
+#  define SDIO_SDXFR_CLKDIV     (1 << SDIO_CLKCR_CLKDIV_SHIFT)
+#else
+#  define SDIO_SDXFR_CLKDIV     (2 << SDIO_CLKCR_CLKDIV_SHIFT)
+#endif
+
+/* LED definitions ******************************************************************/
+/* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in any
+ * way.  The following definitions are used to access individual LEDs.
+ */
+
+/* LED index values for use with stm32_setled() */
+
+#define BOARD_LED1        0
+//#define BOARD_LED2        1
+#define BOARD_NLEDS       1
+
+#define BOARD_LED_BLUE    BOARD_LED1
+//#define BOARD_LED_RED     BOARD_LED2
+
+/* LED bits for use with stm32_setleds() */
+
+#define BOARD_LED1_BIT    (1 << BOARD_LED1)
+#define BOARD_LED2_BIT    (1 << BOARD_LED2)
+
+/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 2 LEDs on board the
+ * omnibusf4sd.  The following definitions describe how NuttX controls the LEDs:
+ */
+
+#define LED_STARTED       0  /* LED1 */
+#define LED_HEAPALLOCATE  1  /* LED2 */
+#define LED_IRQSENABLED   2  /* LED1 */
+#define LED_STACKCREATED  3  /* LED1 + LED2 */
+#define LED_INIRQ         4  /* LED1 */
+#define LED_SIGNAL        5  /* LED2 */
+#define LED_ASSERTION     6  /* LED1 + LED2 */
+#define LED_PANIC         7  /* LED1 + LED2 */
+
+/* Alternate function pin selections ************************************************/
+
+/* UART1:
+ *
+ * PA10 (RX) and PA9 (TX) are broken out on J5
+ */
+
+#define GPIO_USART1_RX GPIO_USART1_RX_1
+#define GPIO_USART1_TX GPIO_USART1_TX_1
+
+/* USART3:
+ *
+ * PC10 (TX) and PC11 (RX) are broken out on J4
+ *
+ * However, this port is shared with SPI3 which contains the BMP280 and MAX7456
+ *
+ * The Silkscreen pin labeled SCL is TX
+ *                           MISO is RX
+ */
+//#define GPIO_USART3_RX	GPIO_USART3_RX_2
+//#define GPIO_USART3_TX	GPIO_USART3_TX_2
+
+/* UART4:
+ *
+ * PA0 (TX) -- Labeled RSSI on the silkscreen is only broken out on a test pad
+ *             on the pro version. It's on a 2.54mm header on other versions
+ * PA1 (RX) -- Motor 5 out
+ */
+#define GPIO_UART4_RX	GPIO_UART4_RX_1
+#define GPIO_UART4_TX	GPIO_UART4_TX_1
+
+/* UART6:
+ *
+ * PC6 (TX) and PC7 (RX) are broken out on J10
+ */
+
+#define GPIO_USART6_RX GPIO_USART6_RX_1
+#define GPIO_USART6_TX GPIO_USART6_TX_1
+
+/* SPI1:
+ *  MPU6000
+ *  CS: PA4 -- configured in board_config.h
+ *  CLK: PA5
+ *  MISO: PA6
+ *  MOSI: PA7
+ */
+
+#define GPIO_SPI1_SCK  GPIO_SPI1_SCK_1
+#define GPIO_SPI1_MISO GPIO_SPI1_MISO_1
+#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1
+
+/* SPI2:
+ *  SD Card
+ *  CS: PB12 -- configured in board_config.h
+ *  CLK: PB13
+ *  MISO: PB14
+ *  MOSI: PB15
+ */
+
+#define GPIO_SPI2_SCK	  GPIO_SPI2_SCK_2
+#define GPIO_SPI2_MISO	GPIO_SPI2_MISO_1
+#define GPIO_SPI2_MOSI	GPIO_SPI2_MOSI_1
+
+/* SPI3:
+ *  BMP280
+ *  CS: PB3 -- configured in board_config.h
+ *  CLK: PC10
+ *  MISO: PC11
+ *  MOSI: PC12
+ */
+
+#define GPIO_SPI3_SCK  GPIO_SPI3_SCK_2
+#define GPIO_SPI3_MISO GPIO_SPI3_MISO_2
+#define GPIO_SPI3_MOSI GPIO_SPI3_MOSI_2
+
+/*
+ * I2C (external)
+ *
+ * SCL: PB10
+ * SDA: PB11
+ *
+ * TODO:
+ *   The optional _GPIO configurations allow the I2C driver to manually
+ *   reset the bus to clear stuck slaves.  They match the pin configuration,
+ *   but are normally-high GPIOs.
+ */
+#define GPIO_I2C2_SCL		GPIO_I2C2_SCL_1
+#define GPIO_I2C2_SDA		GPIO_I2C2_SDA_1
+
+#endif  /* __CONFIG_OMNIBUSF4SD_INCLUDE_BOARD_H */
@@ -0,0 +1,94 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2020 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#pragma once
+
+/*
+|    DMA1    | Stream 0         | Stream 1         | Stream 2         | Stream 3         | Stream 4         | Stream 5         | Stream 6         | Stream 7         |
+|------------|------------------|------------------|------------------|------------------|------------------|------------------|------------------|------------------|
+| Channel 0  | SPI3_RX_1        | -                | SPI3_RX_2        | SPI2_RX          | SPI2_TX          | SPI3_TX_1        | -                | SPI3_TX_2        |
+| Channel 1  | I2C1_RX          | -                | TIM7_UP_1        |  -               | TIM7_UP_2        | I2C1_RX_1        | I2C1_TX          | I2C1_TX_1        |
+| Channel 2  | TIM4_CH1         | -                | I2C4_RX          | TIM4_CH2         | -                | I2C4_RX          | TIM4_UP          | TIM4_CH3         |
+| Channel 3  | -                | TIM2_UP_1        | I2C3_RX_1        | I2C2_EXT_RX      | I2C3_TX          | TIM2_CH1         | TIM2_CH2         | TIM2_UP_2        |
+|            |                  |   TIM2_CH3       |                  |                  |                  |                  |   TIM2_CH4_1     |   TIM2_CH4_2     |
+| Channel 4  | UART5_RX         | USART3_RX        | UART4_RX         | USART3_TX_1      | UART4_TX         | USART2_RX        | USART2_TX        | UART5_TX         |
+| Channel 5  | UART8_TX         | UART7_TX         | TIM3_CH4         | UART7_RX         | TIM3_CH1         | TIM3_CH2         | UART8_RX         | TIM3_CH3         |
+|            |                  |                  |   TIM3_UP        |                  |   TIM3_TRIG      |                  |                  |                  |
+| Channel 6  | TIM5_CH3         | TIM5_CH4_1       | TIM5_CH1         | TIM5_CH4_2       | TIM5_CH2         | -                | TIM5_UP_2        | -                |
+|            |   TIM5_UP_1      |   TIM5_TRIG_1    |                  |   TIM5_TRIG_2    |                  |                  |                  |                  |
+| Channel 7  | -                | TIM6_UP          | I2C2_RX          | I2C2_RX_1        | USART3_TX_2      | DAC1             | DAC2             | I2C2_TX          |
+|            |                  |                  |                  |                  |                  |                  |                  |                  |
+| Usage      |                  | TIM2_UP_1        | TIM3_UP          | SPI2_RX          | SPI2_TX          |                  |                  |                  |
+
+
+|    DMA2    | Stream 0         | Stream 1         | Stream 2         | Stream 3         | Stream 4         | Stream 5         | Stream 6         | Stream 7         |
+|------------|------------------|------------------|------------------|------------------|------------------|------------------|------------------|------------------|
+| Channel 0  | ADC1_1           | SAI1_A           | TIM8_CH1_1       | SAI1_A_1         | ADC1_2           | SAI1_B_1         | TIM1_CH1_1       | -                |
+|            |                  |                  |   TIM8_CH2_1     |                  |                  |                  |   TIM1_CH2_1     |                  |
+|            |                  |                  |   TIM8_CH3_1     |                  |                  |                  |   TIM1_CH3_1     |                  |
+| Channel 1  | -                | DCMI_1           | ADC2_1           | ADC2_2           | SAI1_B           | SPI6_TX          | SPI6_RX          | DCMI_2           |
+| Channel 2  | ADC3_1           | ADC3_2           | -                | SPI5_RX_1        | SPI5_TX_1        | CRYP_OUT         | CRYP_IN          | HASH_IN          |
+| Channel 3  | SPI1_RX_1        | -                | SPI1_RX_2        | SPI1_TX_1        | -                | SPI1_TX_2        | -                | QUADSPI          |
+| Channel 4  | SPI4_RX_1        | SPI4_TX_1        | USART1_RX_1      | SDIO             | -                | USART1_RX_2      | SDIO             | USART1_TX        |
+| Channel 5  | -                | USART6_RX_1      | USART6_RX_2      | SPI4_RX_2        | SPI4_TX_2        | -                | USART6_TX_1      | USART6_TX_2      |
+| Channel 6  | TIM1_TRIG_1      | TIM1_CH1_2       | TIM1_CH2_2       | TIM1_CH1         | TIM1_CH4         | TIM1_UP          | TIM1_CH3_2       | -                |
+|            |                  |                  |                  |                  |   TIM1_TRIG_2    |                  |                  |                  |
+|            |                  |                  |                  |                  |   TIM1_COM       |                  |                  |                  |
+| Channel 7  | -                | TIM8_UP          | TIM8_CH1_2       | TIM8_CH2_2       | TIM8_CH3_2       | SPI5_RX_2        | SPI5_TX_2        | TIM8_CH4         |
+|            |                  |                  |                  |                  |                  |                  |                  |   TIM8_TRIG      |
+|            |                  |                  |                  |                  |                  |                  |                  |   TIM8_COM       |
+|            |                  |                  |                  |                  |                  |                  |                  |                  |
+| Usage      | SPI1_RX_1        | USART6_RX_1      | USART1_RX_1      | SPI1_TX_1        |                  |                  | SDIO             |                  |
+ */
+
+// DMA1 Channel/Stream Selections
+//--------------------------------------------//---------------------------//----------------
+//      AVAILABLE                             // DMA2, Stream 0
+//      DMAMAP_TIM2_UP                        // DMA1, Stream 1, Channel 3    (DSHOT)
+//      DMAMAP_TIM3_UP                        // DMA1, Stream 2, Channel 5    (DSHOT)
+#define DMACHAN_SPI2_RX    DMAMAP_SPI2_RX     // DMA1, Stream 3, Channel 0    (SPI2 RX)
+#define DMACHAN_SPI2_TX    DMAMAP_SPI2_TX     // DMA1, Stream 4, Channel 0    (SPI2 TX)
+//      AVAILABLE                             // DMA2, Stream 5
+//      AVAILABLE                             // DMA2, Stream 6
+//      AVAILABLE                             // DMA2, Stream 7
+
+//  DMA2 Channel/Stream Selections
+//--------------------------------------------//---------------------------//----------------
+#define DMACHAN_SPI1_RX    DMAMAP_SPI1_RX_1   // DMA2, Stream 0, Channel 3    (SPI1 RX)
+#define DMAMAP_USART6_RX   DMAMAP_USART6_RX_1 // DMA2, Stream 1, Channel 4
+#define DMAMAP_USART1_RX   DMAMAP_USART1_RX_1 // DMA2, Stream 2, Channel 4
+#define DMACHAN_SPI1_TX    DMAMAP_SPI1_TX_1   // DMA2, Stream 3, Channel 3    (SPI1 TX)
+//      AVAILABLE                             // DMA2, Stream 4
+//      AVAILABLE                             // DMA2, Stream 5
+#define DMAMAP_SDIO        DMAMAP_SDIO_2      // DMA2, Stream 6, Channel 4
+//      AVAILABLE                             // DMA2, Stream 7
@@ -0,0 +1,193 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_DEV_CONSOLE is not set
+# CONFIG_MMCSD_HAVE_CARDDETECT is not set
+# CONFIG_MMCSD_HAVE_WRITEPROTECT is not set
+# CONFIG_MMCSD_MMCSUPPORT is not set
+# CONFIG_SPI_CALLBACK is not set
+# CONFIG_STM32_CCMEXCLUDE is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD_CUSTOM=y
+CONFIG_ARCH_BOARD_CUSTOM_DIR="../../../../boards/diatone/mamba-f405-mk2/nuttx-config"
+CONFIG_ARCH_BOARD_CUSTOM_DIR_RELPATH=y
+CONFIG_ARCH_BOARD_CUSTOM_NAME="px4"
+CONFIG_ARCH_CHIP="stm32"
+CONFIG_ARCH_CHIP_STM32=y
+CONFIG_ARCH_CHIP_STM32F405RG=y
+CONFIG_ARCH_INTERRUPTSTACK=512
+CONFIG_ARMV7M_MEMCPY=y
+CONFIG_ARMV7M_USEBASEPRI=y
+CONFIG_BOARDCTL_RESET=y
+CONFIG_BOARD_CRASHDUMP=y
+CONFIG_BOARD_CUSTOM_LEDS=y
+CONFIG_BOARD_LOOPSPERMSEC=16717
+CONFIG_BOARD_RESET_ON_ASSERT=2
+CONFIG_BUILTIN=y
+CONFIG_C99_BOOL8=y
+CONFIG_CDCACM=y
+CONFIG_CDCACM_IFLOWCONTROL=y
+CONFIG_CDCACM_PRODUCTID=0x0001
+CONFIG_CDCACM_PRODUCTSTR="DiatoneMambaF405 MK2"
+CONFIG_CDCACM_RXBUFSIZE=600
+CONFIG_CDCACM_TXBUFSIZE=2000
+CONFIG_CDCACM_VENDORID=0x26ac
+CONFIG_CDCACM_VENDORSTR="Diatone"
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DEV_FIFO_SIZE=0
+CONFIG_DEV_PIPE_SIZE=70
+CONFIG_DISABLE_MQUEUE=y
+CONFIG_DISABLE_POSIX_TIMERS=y
+CONFIG_FAT_DMAMEMORY=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_FAT_LFN=y
+CONFIG_FAT_LFN_ALIAS_HASH=y
+CONFIG_FDCLONE_STDIO=y
+CONFIG_FS_BINFS=y
+CONFIG_FS_CROMFS=y
+CONFIG_FS_FAT=y
+CONFIG_FS_FATTIME=y
+CONFIG_FS_PROCFS=y
+CONFIG_FS_PROCFS_REGISTER=y
+CONFIG_FS_ROMFS=y
+CONFIG_GRAN=y
+CONFIG_GRAN_INTR=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_I2C=y
+CONFIG_I2C_RESET=y
+CONFIG_IDLETHREAD_STACKSIZE=750
+CONFIG_LIBC_FLOATINGPOINT=y
+CONFIG_LIBC_STRERROR=y
+CONFIG_MEMSET_64BIT=y
+CONFIG_MEMSET_OPTSPEED=y
+CONFIG_MMCSD=y
+CONFIG_MM_REGIONS=2
+CONFIG_MTD=y
+CONFIG_MTD_BYTE_WRITE=y
+CONFIG_MTD_PARTITION=y
+CONFIG_MTD_PROGMEM=y
+CONFIG_MTD_W25=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_CROMFSETC=y
+CONFIG_NSH_DISABLE_BASENAME=y
+CONFIG_NSH_DISABLE_DD=y
+CONFIG_NSH_DISABLE_DIRNAME=y
+CONFIG_NSH_DISABLE_HEXDUMP=y
+CONFIG_NSH_DISABLE_IFCONFIG=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
+CONFIG_NSH_DISABLE_LOSETUP=y
+CONFIG_NSH_DISABLE_MKFIFO=y
+CONFIG_NSH_DISABLE_MKRD=y
+CONFIG_NSH_DISABLE_PUT=y
+CONFIG_NSH_DISABLE_REBOOT=y
+CONFIG_NSH_DISABLE_TELNETD=y
+CONFIG_NSH_DISABLE_UNAME=y
+CONFIG_NSH_DISABLE_WGET=y
+CONFIG_NSH_DISABLE_XD=y
+CONFIG_NSH_FATDEVNO=0
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=128
+CONFIG_NSH_MAXARGUMENTS=15
+CONFIG_NSH_MMCSDSPIPORTNO=2
+CONFIG_NSH_NESTDEPTH=8
+CONFIG_NSH_READLINE=y
+CONFIG_NSH_ROMFSETC=y
+CONFIG_NSH_ROMFSSECTSIZE=128
+CONFIG_NSH_STRERROR=y
+CONFIG_NSH_VARS=y
+CONFIG_PIPES=y
+CONFIG_PREALLOC_TIMERS=50
+CONFIG_PRIORITY_INHERITANCE=y
+CONFIG_PTHREAD_STACK_MIN=512
+CONFIG_RAM_SIZE=196608
+CONFIG_RAM_START=0x20000000
+CONFIG_RAW_BINARY=y
+CONFIG_RTC_DATETIME=y
+CONFIG_SCHED_ATEXIT=y
+CONFIG_SCHED_HPWORK=y
+CONFIG_SCHED_HPWORKPRIORITY=249
+CONFIG_SCHED_HPWORKSTACKSIZE=1280
+CONFIG_SCHED_INSTRUMENTATION=y
+CONFIG_SCHED_INSTRUMENTATION_EXTERNAL=y
+CONFIG_SCHED_LPWORK=y
+CONFIG_SCHED_LPWORKPRIORITY=50
+CONFIG_SCHED_LPWORKSTACKSIZE=1632
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_SEM_NNESTPRIO=8
+CONFIG_SEM_PREALLOCHOLDERS=0
+CONFIG_SERIAL_TERMIOS=y
+CONFIG_SIG_DEFAULT=y
+CONFIG_SIG_SIGALRM_ACTION=y
+CONFIG_SIG_SIGUSR1_ACTION=y
+CONFIG_SIG_SIGUSR2_ACTION=y
+CONFIG_SIG_SIGWORK=4
+CONFIG_STACK_COLORATION=y
+CONFIG_START_DAY=30
+CONFIG_START_MONTH=11
+CONFIG_STDIO_BUFFER_SIZE=32
+CONFIG_STM32_ADC1=y
+CONFIG_STM32_BBSRAM=y
+CONFIG_STM32_BBSRAM_FILES=5
+CONFIG_STM32_BKPSRAM=y
+CONFIG_STM32_CCMDATARAM=y
+CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG=y
+CONFIG_STM32_DMA1=y
+CONFIG_STM32_DMA2=y
+CONFIG_STM32_FLASH_PREFETCH=y
+CONFIG_STM32_FLOWCONTROL_BROKEN=y
+CONFIG_STM32_I2C2=y
+CONFIG_STM32_I2CTIMEOMS=10
+CONFIG_STM32_I2CTIMEOTICKS=10
+CONFIG_STM32_JTAG_SW_ENABLE=y
+CONFIG_STM32_OTGFS=y
+CONFIG_STM32_PWR=y
+CONFIG_STM32_RTC=y
+CONFIG_STM32_RTC_HSECLOCK=y
+CONFIG_STM32_RTC_MAGIC_REG=1
+CONFIG_STM32_SAVE_CRASHDUMP=y
+CONFIG_STM32_SDIO=y
+CONFIG_STM32_SDIO_CARD=y
+CONFIG_STM32_SERIALBRK_BSDCOMPAT=y
+CONFIG_STM32_SERIAL_DISABLE_REORDERING=y
+CONFIG_STM32_SPI1=y
+CONFIG_STM32_SPI1_DMA=y
+CONFIG_STM32_SPI1_DMA_BUFFER=1024
+CONFIG_STM32_SPI2=y
+CONFIG_STM32_SPI2_DMA=y
+CONFIG_STM32_SPI3=y
+CONFIG_STM32_SPI_DMA=y
+CONFIG_STM32_SPI_DMATHRESHOLD=8
+CONFIG_STM32_TIM1=y
+CONFIG_STM32_TIM5=y
+CONFIG_STM32_UART4=y
+CONFIG_STM32_USART1=y
+CONFIG_STM32_USART6=y
+CONFIG_STM32_USART_BREAKS=y
+CONFIG_STM32_USART_SINGLEWIRE=y
+CONFIG_STM32_WWDG=y
+CONFIG_SYSTEM_CDCACM=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TASK_NAME_SIZE=24
+CONFIG_UART4_BAUD=57600
+CONFIG_UART4_RXBUFSIZE=300
+CONFIG_UART4_TXBUFSIZE=900
+CONFIG_USART1_RXBUFSIZE=300
+CONFIG_USART1_RXDMA=y
+CONFIG_USART1_TXBUFSIZE=300
+CONFIG_USART6_BAUD=57600
+CONFIG_USART6_RXBUFSIZE=300
+CONFIG_USART6_RXDMA=y
+CONFIG_USART6_TXBUFSIZE=300
+CONFIG_USBDEV=y
+CONFIG_USBDEV_BUSPOWERED=y
+CONFIG_USBDEV_MAXPOWER=500
+CONFIG_USEC_PER_TICK=1000
+CONFIG_USERMAIN_STACKSIZE=2944
+CONFIG_USER_ENTRYPOINT="nsh_main"
@@ -0,0 +1,138 @@
+/****************************************************************************
+ * configs/omnibus-f4sd/scripts/ld.script
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/* The STM32F405RG has 1024Kb of FLASH beginning at address 0x0800:0000 and
+ * 192Kb of SRAM. SRAM is split up into three blocks:
+ *
+ * 1) 112Kb of SRAM beginning at address 0x2000:0000
+ * 2)  16Kb of SRAM beginning at address 0x2001:c000
+ * 3)  64Kb of CCM SRAM beginning at address 0x1000:0000
+ *
+ * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000
+ * where the code expects to begin execution by jumping to the entry point in
+ * the 0x0800:0000 address range.
+ *
+ * The first 16 KiB of flash is reserved for the bootloader.
+ * Paramater storage will use the next 16KiB Sector.
+ */
+
+MEMORY
+{
+    flash (rx)   : ORIGIN = 0x08008000, LENGTH = 992K
+    sram (rwx)   : ORIGIN = 0x20000000, LENGTH = 128K
+    ccsram (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
+}
+
+OUTPUT_ARCH(arm)
+
+ENTRY(__start)		/* treat __start as the anchor for dead code stripping */
+EXTERN(_vectors)	/* force the vectors to be included in the output */
+
+/*
+ * Ensure that abort() is present in the final object.  The exception handling
+ * code pulled in by libgcc.a requires it (and that code cannot be easily avoided).
+ */
+EXTERN(abort)
+
+SECTIONS
+{
+	.text : {
+		_stext = ABSOLUTE(.);
+		*(.vectors)
+		*(.text .text.*)
+		*(.fixup)
+		*(.gnu.warning)
+		*(.rodata .rodata.*)
+		*(.gnu.linkonce.t.*)
+		*(.got)
+		*(.gcc_except_table)
+		*(.gnu.linkonce.r.*)
+		_etext = ABSOLUTE(.);
+
+	} > flash
+
+	/*
+	 * Init functions (static constructors and the like)
+	 */
+        .init_section : {
+                _sinit = ABSOLUTE(.);
+                KEEP(*(.init_array .init_array.*))
+                _einit = ABSOLUTE(.);
+        } > flash
+
+
+	.ARM.extab : {
+		*(.ARM.extab*)
+	} > flash
+
+	__exidx_start = ABSOLUTE(.);
+	.ARM.exidx : {
+		*(.ARM.exidx*)
+	} > flash
+	__exidx_end = ABSOLUTE(.);
+
+	_eronly = ABSOLUTE(.);
+
+	.data : {
+		_sdata = ABSOLUTE(.);
+		*(.data .data.*)
+		*(.gnu.linkonce.d.*)
+		CONSTRUCTORS
+		_edata = ABSOLUTE(.);
+	} > sram AT > flash
+
+	.bss : {
+		_sbss = ABSOLUTE(.);
+		*(.bss .bss.*)
+		*(.gnu.linkonce.b.*)
+		*(COMMON)
+		. = ALIGN(4);
+		_ebss = ABSOLUTE(.);
+	} > sram
+
+	/* Stabs debugging sections. */
+	.stab 0 : { *(.stab) }
+	.stabstr 0 : { *(.stabstr) }
+	.stab.excl 0 : { *(.stab.excl) }
+	.stab.exclstr 0 : { *(.stab.exclstr) }
+	.stab.index 0 : { *(.stab.index) }
+	.stab.indexstr 0 : { *(.stab.indexstr) }
+	.comment 0 : { *(.comment) }
+	.debug_abbrev 0 : { *(.debug_abbrev) }
+	.debug_info 0 : { *(.debug_info) }
+	.debug_line 0 : { *(.debug_line) }
+	.debug_pubnames 0 : { *(.debug_pubnames) }
+	.debug_aranges 0 : { *(.debug_aranges) }
+}
@@ -0,0 +1,50 @@
+############################################################################
+#
+#   Copyright (c) 2018 PX4 Development Team. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name PX4 nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+add_library(drivers_board
+	i2c.cpp
+	init.c
+	led.c
+	spi.cpp
+	timer_config.cpp
+	usb.c
+)
+
+target_link_libraries(drivers_board
+	PRIVATE
+		arch_spi
+		drivers__led # drv_led_start
+		nuttx_arch # sdio
+		nuttx_drivers # sdio
+		px4_layer
+)
@@ -0,0 +1,204 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2018, 2014 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file board_config.h
+ *
+ * boards internal definitions
+ */
+
+#pragma once
+
+/****************************************************************************************************
+ * Included Files
+ ****************************************************************************************************/
+
+#include <px4_platform_common/px4_config.h>
+#include <nuttx/compiler.h>
+#include <stdint.h>
+
+/****************************************************************************************************
+ * Definitions
+ ****************************************************************************************************/
+/* Configuration ************************************************************************************/
+
+/* omnibusf4sd GPIOs ***********************************************************************************/
+/* LEDs */
+// power - green
+// LED1 - PB5 - blue
+#define GPIO_LED1       (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN5)
+#define GPIO_LED_BLUE   GPIO_LED1
+
+#define BOARD_OVERLOAD_LED     LED_BLUE
+
+#define  FLASH_BASED_PARAMS
+
+/*
+ * ADC channels
+ *
+ * These are the channel numbers of the ADCs of the microcontroller that can be used by the Px4 Firmware in the adc driver
+ */
+#define ADC_CHANNELS (1 << 0) | (1 << 11) | (1 << 12)
+
+#define ADC_BATTERY_VOLTAGE_CHANNEL  11
+#define ADC_BATTERY_CURRENT_CHANNEL  13
+#define ADC_RC_RSSI_CHANNEL          12
+
+/* Define Battery 1 Voltage Divider and A per V
+ */
+#define BOARD_BATTERY1_V_DIV         (11.12f)
+#define BOARD_BATTERY1_A_PER_V       (31.f)
+
+/* User GPIOs
+ *
+ * GPIO0-5 are the PWM servo outputs.
+ * GPIO_TIM3_CH3OUT        GPIO_TIM3_CH3OUT_1 //PB0 S1_OUT D1_ST7
+ * GPIO_TIM3_CH4OUT        GPIO_TIM3_CH4OUT_1 //PB1 S2_OUT D1_ST2
+ * GPIO_TIM2_CH4OUT        GPIO_TIM2_CH4OUT_1 //PA3 S3_OUT D1_ST6
+ * GPIO_TIM2_CH3OUT        GPIO_TIM2_CH3OUT_1 //PA2 S4_OUT D1_ST1
+ * GPIO_TIM5_CH2OUT        GPIO_TIM5_CH2OUT_1 //PA1 S5_OUT
+ * GPIO_TIM1_CH1OUT        GPIO_TIM1_CH1OUT_1 //PA8 S6_OUT
+ */
+
+#define _MK_GPIO_INPUT(def) (((def) & (GPIO_PORT_MASK | GPIO_PIN_MASK)) | (GPIO_INPUT|GPIO_PULLUP))
+
+#define GPIO_GPIO0_INPUT             _MK_GPIO_INPUT(GPIO_TIM3_CH3IN)
+#define GPIO_GPIO1_INPUT             _MK_GPIO_INPUT(GPIO_TIM3_CH4IN)
+#define GPIO_GPIO2_INPUT             _MK_GPIO_INPUT(GPIO_TIM2_CH3IN)
+#define GPIO_GPIO3_INPUT             _MK_GPIO_INPUT(GPIO_TIM2_CH4IN)
+//#define GPIO_GPIO4_INPUT             _MK_GPIO_INPUT(GPIO_TIM5_CH2IN)
+//#define GPIO_GPIO5_INPUT             _MK_GPIO_INPUT(GPIO_TIM1_CH1IN)
+
+#define _MK_GPIO_OUTPUT(def) (((def) & (GPIO_PORT_MASK | GPIO_PIN_MASK)) | (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR))
+
+#define GPIO_GPIO0_OUTPUT            _MK_GPIO_OUTPUT(GPIO_TIM3_CH3OUT)
+#define GPIO_GPIO1_OUTPUT            _MK_GPIO_OUTPUT(GPIO_TIM3_CH4OUT)
+#define GPIO_GPIO2_OUTPUT            _MK_GPIO_OUTPUT(GPIO_TIM2_CH3OUT)
+#define GPIO_GPIO3_OUTPUT            _MK_GPIO_OUTPUT(GPIO_TIM2_CH4OUT)
+//#define GPIO_GPIO4_OUTPUT            _MK_GPIO_OUTPUT(GPIO_TIM5_CH2OUT)
+//#define GPIO_GPIO5_OUTPUT            _MK_GPIO_OUTPUT(GPIO_TIM1_CH1OUT)
+
+/* USB OTG FS
+ *
+ * PA9  OTG_FS_VBUS VBUS sensing
+ */
+#define GPIO_OTGFS_VBUS		(GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_OPENDRAIN|GPIO_PORTC|GPIO_PIN5)
+
+/* PWM
+ *
+ * Alternatively CH3/CH4 could be assigned to UART6_TX/RX
+ */
+#define DIRECT_PWM_OUTPUT_CHANNELS      4
+#define DIRECT_INPUT_TIMER_CHANNELS  4
+
+// Has pwm outputs
+#define BOARD_HAS_PWM    DIRECT_PWM_OUTPUT_CHANNELS
+
+/* High-resolution timer */
+#define HRT_TIMER                    4 // T4C1
+#define HRT_TIMER_CHANNEL            1 // use capture/compare channel 1
+
+#define HRT_PPM_CHANNEL              3 // capture/compare channel 3
+#define GPIO_PPM_IN                  (GPIO_ALT|GPIO_AF2|GPIO_PULLUP|GPIO_PORTB|GPIO_PIN8)
+
+#define RC_SERIAL_PORT               "/dev/ttyS0"
+#define BOARD_SUPPORTS_RC_SERIAL_PORT_OUTPUT
+
+/*
+ * One RC_IN
+ *
+ * GPIO PPM_IN on PB8 T4CH3
+ * SPEKTRUM_RX (it's TX or RX in Bind) on PA10 UART1
+ * The FMU can drive GPIO PPM_IN as an output
+ */
+// TODO?
+//#define GPIO_PPM_IN_AS_OUT            (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN6)
+//#define SPEKTRUM_RX_AS_GPIO_OUTPUT()  px4_arch_configgpio(GPIO_PPM_IN_AS_OUT)
+//#define SPEKTRUM_RX_AS_UART()         px4_arch_configgpio(GPIO_USART1_RX)
+//#define SPEKTRUM_OUT(_one_true)       px4_arch_gpiowrite(GPIO_PPM_IN_AS_OUT, (_one_true))
+
+#define BOARD_HAS_PWM    DIRECT_PWM_OUTPUT_CHANNELS
+
+/* This board provides a DMA pool and APIs */
+#define BOARD_DMA_ALLOC_POOL_SIZE 5120
+
+#define BOARD_HAS_ON_RESET 1
+
+#define BOARD_ENABLE_CONSOLE_BUFFER
+#define BOARD_CONSOLE_BUFFER_SIZE (1024*2)
+
+
+__BEGIN_DECLS
+
+/****************************************************************************************************
+ * Public Types
+ ****************************************************************************************************/
+
+/****************************************************************************************************
+ * Public data
+ ****************************************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/****************************************************************************************************
+ * Public Functions
+ ****************************************************************************************************/
+
+/****************************************************************************************************
+ * Name: stm32_spiinitialize
+ *
+ * Description:
+ *   Called to configure SPI chip select GPIO pins for the PX4FMU board.
+ *
+ ****************************************************************************************************/
+
+extern void stm32_spiinitialize(void);
+
+
+/****************************************************************************************************
+ * Name: stm32_usbinitialize
+ *
+ * Description:
+ *   Called to configure USB IO.
+ *
+ ****************************************************************************************************/
+
+extern void stm32_usbinitialize(void);
+
+extern void board_peripheral_reset(int ms);
+
+#include <px4_platform_common/board_common.h>
+
+#endif /* __ASSEMBLY__ */
+
+__END_DECLS
@@ -0,0 +1,38 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2020 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#include <px4_arch/i2c_hw_description.h>
+
+constexpr px4_i2c_bus_t px4_i2c_buses[I2C_BUS_MAX_BUS_ITEMS] = {
+	initI2CBusExternal(2),
+};
@@ -0,0 +1,343 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2012-2018 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file init.c
+ *
+ * mambaf405mk2-specific early startup code.  This file implements the
+ * board_app_initialize() function that is called early by nsh during startup.
+ *
+ * Code here is run before the rcS script is invoked; it should start required
+ * subsystems and perform board-specific initialization.
+ */
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <px4_platform_common/px4_config.h>
+#include <px4_platform_common/tasks.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <debug.h>
+#include <errno.h>
+#include <syslog.h>
+
+#include <nuttx/board.h>
+#include <nuttx/spi/spi.h>
+#include <nuttx/i2c/i2c_master.h>
+#include <nuttx/mmcsd.h>
+#include <nuttx/analog/adc.h>
+#include <nuttx/mm/gran.h>
+
+#include <stm32.h>
+#include "board_config.h"
+#include <stm32_uart.h>
+
+#include <arch/board/board.h>
+
+#include <drivers/drv_hrt.h>
+#include <drivers/drv_board_led.h>
+
+#include <systemlib/px4_macros.h>
+
+#include <px4_arch/io_timer.h>
+#include <px4_platform_common/init.h>
+#include <px4_platform/board_dma_alloc.h>
+
+# if defined(FLASH_BASED_PARAMS)
+#  include <parameters/flashparams/flashfs.h>
+#endif
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/*
+ * Ideally we'd be able to get these from arm_internal.h,
+ * but since we want to be able to disable the NuttX use
+ * of leds for system indication at will and there is no
+ * separate switch, we need to build independent of the
+ * CONFIG_ARCH_LEDS configuration switch.
+ */
+__BEGIN_DECLS
+extern void led_init(void);
+extern void led_on(int led);
+extern void led_off(int led);
+__END_DECLS
+
+/****************************************************************************
+ * Protected Functions
+ ****************************************************************************/
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+/************************************************************************************
+ * Name: board_peripheral_reset
+ *
+ * Description:
+ *
+ ************************************************************************************/
+__EXPORT void board_peripheral_reset(int ms)
+{
+	UNUSED(ms);
+}
+
+/************************************************************************************
+ * Name: board_on_reset
+ *
+ * Description:
+ * Optionally provided function called on entry to board_system_reset
+ * It should perform any house keeping prior to the rest.
+ *
+ * status - 1 if resetting to boot loader
+ *          0 if just resetting
+ *
+ ************************************************************************************/
+__EXPORT void board_on_reset(int status)
+{
+	/* configure the GPIO pins to outputs and keep them low */
+	for (int i = 0; i < DIRECT_PWM_OUTPUT_CHANNELS; ++i) {
+		px4_arch_configgpio(io_timer_channel_get_gpio_output(i));
+	}
+
+	/* On resets invoked from system (not boot) insure we establish a low
+	 * output state (discharge the pins) on PWM pins before they become inputs.
+	 */
+
+	if (status >= 0) {
+		up_mdelay(400);
+	}
+}
+
+/************************************************************************************
+ * Name: stm32_boardinitialize
+ *
+ * Description:
+ *   All STM32 architectures must provide the following entry point.  This entry point
+ *   is called early in the initialization -- after all memory has been configured
+ *   and mapped but before any devices have been initialized.
+ *
+ ************************************************************************************/
+
+__EXPORT void
+stm32_boardinitialize(void)
+{
+	/* Reset all PWM to Low outputs */
+
+	board_on_reset(-1);
+
+	/* configure LEDs */
+	board_autoled_initialize();
+
+
+	/* configure ADC pins */
+	stm32_configgpio(GPIO_ADC1_IN11);	/* BATT_VOLTAGE_SENS */
+	stm32_configgpio(GPIO_ADC1_IN13);	/* BATT_CURRENT_SENS */
+	stm32_configgpio(GPIO_ADC1_IN12);	/* RSSI analog in (TX of UART4 instead) */
+
+	// TODO: power peripherals
+	///* configure power supply control/sense pins */
+	//stm32_configgpio(GPIO_PERIPH_3V3_EN);
+	//stm32_configgpio(GPIO_VDD_BRICK_VALID);
+	//stm32_configgpio(GPIO_VDD_USB_VALID);
+
+	// TODO: 3v3 Sensor?
+	///* Start with Sensor voltage off We will enable it
+	// * in board_app_initialize
+	// */
+	//stm32_configgpio(GPIO_VDD_3V3_SENSORS_EN);
+
+	// TODO: SBUS inversion? SPEK power?
+	//stm32_configgpio(GPIO_SBUS_INV);
+	//stm32_configgpio(GPIO_SPEKTRUM_PWR_EN);
+
+	// TODO: $$$ Unused?
+	//stm32_configgpio(GPIO_8266_GPIO0);
+	//stm32_configgpio(GPIO_8266_PD);
+	//stm32_configgpio(GPIO_8266_RST);
+
+	/* Safety - led don in led driver */
+
+	// TODO: unused?
+	//stm32_configgpio(GPIO_BTN_SAFETY);
+
+	// TODO: RSSI
+	//stm32_configgpio(GPIO_RSSI_IN);
+
+	stm32_configgpio(GPIO_PPM_IN);
+
+	/* configure SPI all interfaces GPIO */
+
+	stm32_spiinitialize();
+
+}
+
+/****************************************************************************
+ * Name: board_app_initialize
+ *
+ * Description:
+ *   Perform application specific initialization.  This function is never
+ *   called directly from application code, but only indirectly via the
+ *   (non-standard) boardctl() interface using the command BOARDIOC_INIT.
+ *
+ * Input Parameters:
+ *   arg - The boardctl() argument is passed to the board_app_initialize()
+ *         implementation without modification.  The argument has no
+ *         meaning to NuttX; the meaning of the argument is a contract
+ *         between the board-specific initalization logic and the the
+ *         matching application logic.  The value cold be such things as a
+ *         mode enumeration value, a set of DIP switch switch settings, a
+ *         pointer to configuration data read from a file or serial FLASH,
+ *         or whatever you would like to do with it.  Every implementation
+ *         should accept zero/NULL as a default configuration.
+ *
+ * Returned Value:
+ *   Zero (OK) is returned on success; a negated errno value is returned on
+ *   any failure to indicate the nature of the failure.
+ *
+ ****************************************************************************/
+
+static struct spi_dev_s *spi1;
+static struct spi_dev_s *spi2;
+static struct spi_dev_s *spi3;
+
+__EXPORT int board_app_initialize(uintptr_t arg)
+{
+	px4_platform_init();
+
+	/* configure the DMA allocator */
+
+	if (board_dma_alloc_init() < 0) {
+		syslog(LOG_ERR, "DMA alloc FAILED\n");
+	}
+
+#if defined(SERIAL_HAVE_RXDMA)
+	// set up the serial DMA polling at 1ms intervals for received bytes that have not triggered a DMA event.
+	static struct hrt_call serial_dma_call;
+	hrt_call_every(&serial_dma_call, 1000, 1000, (hrt_callout)stm32_serial_dma_poll, NULL);
+#endif
+
+	/* initial LED state */
+	drv_led_start();
+	led_off(LED_BLUE);
+
+	if (board_hardfault_init(2, true) != 0) {
+		led_on(LED_BLUE);
+	}
+
+
+	/* Configure SPI-based devices */
+
+	// SPI1: MPU6000
+	spi1 = stm32_spibus_initialize(1);
+
+	if (!spi1) {
+		syslog(LOG_ERR, "[boot] FAILED to initialize SPI port 1\n");
+		led_on(LED_BLUE);
+		return -ENODEV;
+	}
+
+	/* Default SPI1 to 1MHz and de-assert the known chip selects. */
+	SPI_SETFREQUENCY(spi1, 10000000);
+	SPI_SETBITS(spi1, 8);
+	SPI_SETMODE(spi1, SPIDEV_MODE3);
+	up_udelay(20);
+
+	// SPI2: SDCard
+	/* Get the SPI port for the microSD slot */
+	spi2 = stm32_spibus_initialize(CONFIG_NSH_MMCSDSPIPORTNO);
+
+	if (!spi2) {
+		syslog(LOG_ERR, "[boot] FAILED to initialize SPI port %d\n", CONFIG_NSH_MMCSDSPIPORTNO);
+		led_on(LED_BLUE);
+		return -ENODEV;
+	}
+
+	/* Now bind the SPI interface to the MMCSD driver */
+	int result = mmcsd_spislotinitialize(CONFIG_NSH_MMCSDMINOR, CONFIG_NSH_MMCSDSLOTNO, spi2);
+
+	if (result != OK) {
+		led_on(LED_BLUE);
+		syslog(LOG_ERR, "[boot] FAILED to bind SPI port 2 to the MMCSD driver\n");
+		return -ENODEV;
+	}
+
+	up_udelay(20);
+
+
+	// SPI3: OSD / Baro
+	spi3 = stm32_spibus_initialize(3);
+
+	if (!spi3) {
+		syslog(LOG_ERR, "[boot] FAILED to initialize SPI port 3\n");
+		led_on(LED_BLUE);
+		return -ENODEV;
+	}
+
+	/* Copied from fmu-v4
+	 * Default SPI3 to 12MHz and de-assert the known chip selects.
+	 * MS5611 has max SPI clock speed of 20MHz
+	 */
+
+	// BMP280 max SPI speed is 10 MHz
+	SPI_SETFREQUENCY(spi3, 10 * 1000 * 1000);
+	SPI_SETBITS(spi3, 8);
+	SPI_SETMODE(spi3, SPIDEV_MODE3);
+	up_udelay(20);
+
+#if defined(FLASH_BASED_PARAMS)
+	static sector_descriptor_t params_sector_map[] = {
+		{1, 16 * 1024, 0x08004000},
+		{0, 0, 0},
+	};
+
+	/* Initialize the flashfs layer to use heap allocated memory */
+	result = parameter_flashfs_init(params_sector_map, NULL, 0);
+
+	if (result != OK) {
+		syslog(LOG_ERR, "[boot] FAILED to init params in FLASH %d\n", result);
+		led_on(LED_AMBER);
+		return -ENODEV;
+	}
+
+#endif
+
+	/* Configure the HW based on the manifest */
+
+	px4_platform_configure();
+
+	return OK;
+}
@@ -0,0 +1,120 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2018 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file led.c
+ *
+ * omnibusf4sd LED backend.
+ */
+
+#include <px4_platform_common/px4_config.h>
+
+#include <stdbool.h>
+
+#include "stm32.h"
+#include "board_config.h"
+
+#include <nuttx/board.h>
+
+/*
+ * Ideally we'd be able to get these from arm_internal.h,
+ * but since we want to be able to disable the NuttX use
+ * of leds for system indication at will and there is no
+ * separate switch, we need to build independent of the
+ * CONFIG_ARCH_LEDS configuration switch.
+ */
+__BEGIN_DECLS
+extern void led_init(void);
+extern void led_on(int led);
+extern void led_off(int led);
+extern void led_toggle(int led);
+__END_DECLS
+
+static uint32_t g_ledmap[] = {
+	GPIO_LED_BLUE,
+};
+
+__EXPORT void led_init(void)
+{
+	/* Configure LED GPIOs for output */
+	for (size_t l = 0; l < (sizeof(g_ledmap) / sizeof(g_ledmap[0])); l++) {
+		stm32_configgpio(g_ledmap[l]);
+	}
+}
+
+static void phy_set_led(int led, bool state)
+{
+	/* Pull Down to switch on */
+	if (led == 0) {
+		stm32_gpiowrite(g_ledmap[led], !state);
+	}
+}
+
+__EXPORT void led_on(int led)
+{
+	phy_set_led(led, true);
+}
+
+__EXPORT void led_off(int led)
+{
+	phy_set_led(led, false);
+}
+
+__EXPORT void led_toggle(int led)
+{
+	if (led == 0) {
+		phy_set_led(led, !stm32_gpioread(g_ledmap[led]));
+	}
+}
+
+__EXPORT void board_autoled_initialize(void)
+{
+	/* Configure LED1 GPIO for output */
+	stm32_configgpio(GPIO_LED1);
+}
+
+__EXPORT void board_autoled_on(int led)
+{
+	if (led == 1) {
+		/* Pull down to switch on */
+		stm32_gpiowrite(GPIO_LED1, false);
+	}
+}
+
+__EXPORT void board_autoled_off(int led)
+{
+	if (led == 1) {
+		/* Pull up to switch off */
+		stm32_gpiowrite(GPIO_LED1, true);
+	}
+}
@@ -0,0 +1,51 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2018 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#include <px4_arch/spi_hw_description.h>
+#include <drivers/drv_sensor.h>
+#include <nuttx/spi/spi.h>
+
+constexpr px4_spi_bus_t px4_spi_buses[SPI_BUS_MAX_BUS_ITEMS] = {
+	initSPIBus(SPI::Bus::SPI1, {
+		initSPIDevice(DRV_IMU_DEVTYPE_MPU6000, SPI::CS{GPIO::PortA, GPIO::Pin4}),
+		initSPIDevice(DRV_IMU_DEVTYPE_ICM20602, SPI::CS{GPIO::PortA, GPIO::Pin4}),
+	}),
+	initSPIBus(SPI::Bus::SPI2, {
+		initSPIDevice(DRV_OSD_DEVTYPE_ATXXXX, SPI::CS{GPIO::PortB, GPIO::Pin12}),
+	}),
+	initSPIBus(SPI::Bus::SPI3, {
+		initSPIDevice(SPIDEV_FLASH(0), SPI::CS{GPIO::PortB, GPIO::Pin3}),
+	}),
+};
+
+static constexpr bool unused = validateSPIConfig(px4_spi_buses);
--- a/Show More
+++ b/Show More