From 959333d6cc8e5f99ee68b2dff9cb65d54d805985 Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Wed, 17 Jun 2015 22:44:51 +0200
Subject: [PATCH] Re-balance FMUv2 config in terms of buffer sizes to free some
 excessively used resources

---
 nuttx-configs/px4fmu-v2/nsh/defconfig | 33 ++++++++++++++-------------
 1 file changed, 17 insertions(+), 16 deletions(-)

diff --git a/nuttx-configs/px4fmu-v2/nsh/defconfig b/nuttx-configs/px4fmu-v2/nsh/defconfig
index 19e0f7c632..ef9c673785 100644
--- a/nuttx-configs/px4fmu-v2/nsh/defconfig
+++ b/nuttx-configs/px4fmu-v2/nsh/defconfig
@@ -367,7 +367,8 @@ CONFIG_BOARD_LOOPSPERMSEC=16717
 CONFIG_DRAM_START=0x20000000
 CONFIG_DRAM_SIZE=262144
 CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
-CONFIG_ARCH_INTERRUPTSTACK=1500
+# The actual usage is 420 bytes
+CONFIG_ARCH_INTERRUPTSTACK=750
 
 #
 # Boot options
@@ -548,8 +549,8 @@ CONFIG_UART7_SERIAL_CONSOLE=y
 #
 # USART1 Configuration
 #
-CONFIG_USART1_RXBUFSIZE=512
-CONFIG_USART1_TXBUFSIZE=512
+CONFIG_USART1_RXBUFSIZE=600
+CONFIG_USART1_TXBUFSIZE=600
 CONFIG_USART1_BAUD=115200
 CONFIG_USART1_BITS=8
 CONFIG_USART1_PARITY=0
@@ -561,7 +562,7 @@ CONFIG_USART1_2STOP=0
 # USART2 Configuration
 #
 CONFIG_USART2_RXBUFSIZE=600
-CONFIG_USART2_TXBUFSIZE=2200
+CONFIG_USART2_TXBUFSIZE=1860
 CONFIG_USART2_BAUD=57600
 CONFIG_USART2_BITS=8
 CONFIG_USART2_PARITY=0
@@ -572,8 +573,8 @@ CONFIG_USART2_OFLOWCONTROL=y
 #
 # USART3 Configuration
 #
-CONFIG_USART3_RXBUFSIZE=512
-CONFIG_USART3_TXBUFSIZE=512
+CONFIG_USART3_RXBUFSIZE=400
+CONFIG_USART3_TXBUFSIZE=400
 CONFIG_USART3_BAUD=57600
 CONFIG_USART3_BITS=8
 CONFIG_USART3_PARITY=0
@@ -584,8 +585,8 @@ CONFIG_USART3_OFLOWCONTROL=y
 #
 # UART4 Configuration
 #
-CONFIG_UART4_RXBUFSIZE=512
-CONFIG_UART4_TXBUFSIZE=512
+CONFIG_UART4_RXBUFSIZE=400
+CONFIG_UART4_TXBUFSIZE=400
 CONFIG_UART4_BAUD=57600
 CONFIG_UART4_BITS=8
 CONFIG_UART4_PARITY=0
@@ -596,8 +597,8 @@ CONFIG_UART4_2STOP=0
 #
 # USART6 Configuration
 #
-CONFIG_USART6_RXBUFSIZE=512
-CONFIG_USART6_TXBUFSIZE=512
+CONFIG_USART6_RXBUFSIZE=400
+CONFIG_USART6_TXBUFSIZE=400
 CONFIG_USART6_BAUD=57600
 CONFIG_USART6_BITS=8
 CONFIG_USART6_PARITY=0
@@ -608,8 +609,8 @@ CONFIG_USART6_2STOP=0
 #
 # UART7 Configuration
 #
-CONFIG_UART7_RXBUFSIZE=512
-CONFIG_UART7_TXBUFSIZE=512
+CONFIG_UART7_RXBUFSIZE=400
+CONFIG_UART7_TXBUFSIZE=400
 CONFIG_UART7_BAUD=57600
 CONFIG_UART7_BITS=8
 CONFIG_UART7_PARITY=0
@@ -620,8 +621,8 @@ CONFIG_UART7_2STOP=0
 #
 # UART8 Configuration
 #
-CONFIG_UART8_RXBUFSIZE=512
-CONFIG_UART8_TXBUFSIZE=512
+CONFIG_UART8_RXBUFSIZE=400
+CONFIG_UART8_TXBUFSIZE=400
 CONFIG_UART8_BAUD=57600
 CONFIG_UART8_BITS=8
 CONFIG_UART8_PARITY=0
@@ -663,8 +664,8 @@ CONFIG_CDCACM_EPBULKIN_HSSIZE=512
 CONFIG_CDCACM_NWRREQS=4
 CONFIG_CDCACM_NRDREQS=4
 CONFIG_CDCACM_BULKIN_REQLEN=96
-CONFIG_CDCACM_RXBUFSIZE=1000
-CONFIG_CDCACM_TXBUFSIZE=8000
+CONFIG_CDCACM_RXBUFSIZE=600
+CONFIG_CDCACM_TXBUFSIZE=5000
 CONFIG_CDCACM_VENDORID=0x26ac
 CONFIG_CDCACM_PRODUCTID=0x0011
 CONFIG_CDCACM_VENDORSTR="3D Robotics"