From e0457f21de70dbabf5eecfd42bda52e1daf0704d Mon Sep 17 00:00:00 2001
From: Pat Hickey <pat@moreproductive.org>
Date: Sat, 23 Feb 2013 15:04:17 -0800
Subject: [PATCH] AP_HAL_PX4: fix off-by-one error in RCOutput channel sending

---
 libraries/AP_HAL_PX4/RCOutput.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/AP_HAL_PX4/RCOutput.cpp b/libraries/AP_HAL_PX4/RCOutput.cpp
index 58105c6c64..ec978112f3 100644
--- a/libraries/AP_HAL_PX4/RCOutput.cpp
+++ b/libraries/AP_HAL_PX4/RCOutput.cpp
@@ -70,8 +70,8 @@ void PX4RCOutput::write(uint8_t ch, uint16_t period_us)
     if (ch >= PX4_NUM_OUTPUT_CHANNELS) {
         return;
     }
-    if (ch > _max_channel) {
-        _max_channel = ch;
+    if (ch >= _max_channel) {
+        _max_channel = ch + 1;
     }
     if (period_us != _period[ch]) {
         _period[ch] = period_us;