From e9d597816518030572a3c5507c1067c84dbbba40 Mon Sep 17 00:00:00 2001
From: cctsao1008 <chiacheng.tsao@gmail.com>
Date: Tue, 30 Jun 2015 00:21:47 +0800
Subject: [PATCH] Adjust the duration of the BIND pulse

Some DSMX Remote Receiver can't enter BIND mode with the duration about 25us but 120us.
---
 src/modules/px4iofirmware/dsm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/modules/px4iofirmware/dsm.c b/src/modules/px4iofirmware/dsm.c
index afde16ed39..b0e96b1f03 100644
--- a/src/modules/px4iofirmware/dsm.c
+++ b/src/modules/px4iofirmware/dsm.c
@@ -292,9 +292,9 @@ dsm_bind(uint16_t cmd, int pulses)
 
 		/*Pulse RX pin a number of times*/
 		for (int i = 0; i < pulses; i++) {
-			up_udelay(25);
+			up_udelay(120);
 			stm32_gpiowrite(usart1RxAsOutp, false);
-			up_udelay(25);
+			up_udelay(120);
 			stm32_gpiowrite(usart1RxAsOutp, true);
 		}
 		break;