From 33a3254d8b226df2bbbe98281036b8c54029d34c Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Sun, 8 Feb 2015 17:09:42 +1100
Subject: [PATCH] HAL_Linux: accept a smaller sync pulse width

---
 libraries/AP_HAL_Linux/RCInput.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/AP_HAL_Linux/RCInput.cpp b/libraries/AP_HAL_Linux/RCInput.cpp
index 211dcbf8c8..c97ba5c2d1 100644
--- a/libraries/AP_HAL_Linux/RCInput.cpp
+++ b/libraries/AP_HAL_Linux/RCInput.cpp
@@ -106,7 +106,7 @@ void LinuxRCInput::clear_overrides()
  */
 void LinuxRCInput::_process_ppmsum_pulse(uint16_t width_usec)
 {
-    if (width_usec >= 4000) {
+    if (width_usec >= 2700) {
         // a long pulse indicates the end of a frame. Reset the
         // channel counter so next pulse is channel 0
         if (ppm_state._channel_counter >= 5) {