move systemlib/pwm_limit to standalone lib

src/modules/px4iofirmware/CMakeLists.txt

@@ -33,7 +33,6 @@
 
 add_library(px4iofirmware
 	hx_stream.c
-	../systemlib/pwm_limit/pwm_limit.c
 	adc.c
 	controls.c
 	mixer.cpp
@@ -52,4 +51,5 @@ target_link_libraries(px4iofirmware
 		mixer
 		rc
 		perf
+		pwm_limit
 )

src/modules/px4iofirmware/mixer.cpp

@@ -49,10 +49,11 @@
 
 #include <drivers/drv_pwm_output.h>
 #include <drivers/drv_hrt.h>
+
+#include <mixer/mixer.h>
+#include <pwm_limit/pwm_limit.h>
 #include <rc/sbus.h>
 
-#include <systemlib/pwm_limit/pwm_limit.h>
-#include <lib/mixer/mixer.h>
 #include <uORB/topics/actuator_controls.h>
 
 #include "mixer.h"

src/modules/px4iofirmware/px4io.c

@@ -55,7 +55,7 @@
 #include <drivers/drv_hrt.h>
 
 #include <perf/perf_counter.h>
-#include <systemlib/pwm_limit/pwm_limit.h>
+#include <pwm_limit/pwm_limit.h>
 
 #include <stm32_uart.h>
 

src/modules/px4iofirmware/px4io.h

@@ -50,7 +50,7 @@
 
 #include "protocol.h"
 
-#include <systemlib/pwm_limit/pwm_limit.h>
+#include <pwm_limit/pwm_limit.h>
 
 /*
  hotfix: we are critically short of memory in px4io and this is the