From 05ceeec1ba4efb0313af059bdb91a5db374f04fa Mon Sep 17 00:00:00 2001
From: David Sidrane <david_s5@nscdg.com>
Date: Mon, 1 May 2017 12:46:38 -1000
Subject: [PATCH] piofirmware:Base the debug message buffer size on the
 defconfig

  Recover 16 bytes. Size of debug max message is 40 so limit
  the usart tx buffer to same size.
---
 src/modules/px4iofirmware/px4io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modules/px4iofirmware/px4io.c b/src/modules/px4iofirmware/px4io.c
index b20a6e1f06..b93f7a7553 100644
--- a/src/modules/px4iofirmware/px4io.c
+++ b/src/modules/px4iofirmware/px4io.c
@@ -85,7 +85,7 @@ static volatile uint8_t msg_next_out, msg_next_in;
  * output.
  */
 #define NUM_MSG 1
-static char msg[NUM_MSG][40];
+static char msg[NUM_MSG][CONFIG_USART1_TXBUFSIZE];
 
 static void heartbeat_blink(void);
 static void ring_blink(void);