From 787a2093ec577f602283b3a151e6d24360893468 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Wed, 1 Feb 2017 20:43:23 +1100
Subject: [PATCH] HAL_PX4: fixed motor test for brushed motors

this fixes zero pwm output on a subset of channels. When using
motortest and asking for a single channel, multiple channels fired due
to an incorrect optimisation
---
 libraries/AP_HAL_PX4/RCOutput.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/AP_HAL_PX4/RCOutput.cpp b/libraries/AP_HAL_PX4/RCOutput.cpp
index 711a314ef5..6795747b1c 100644
--- a/libraries/AP_HAL_PX4/RCOutput.cpp
+++ b/libraries/AP_HAL_PX4/RCOutput.cpp
@@ -504,7 +504,7 @@ void PX4RCOutput::_send_outputs(void)
         }
         if (to_send > 0) {
             for (int i=to_send-1; i >= 0; i--) {
-                if (_period[i] == 0 || _period[i] == PWM_IGNORE_THIS_CHANNEL) {
+                if (_period[i] == PWM_IGNORE_THIS_CHANNEL) {
                     to_send = i;
                 } else {
                     break;