From cec08be9cb170b3ce6aa8a8e8015dd305271591a Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Mon, 13 May 2013 15:13:43 +1000
Subject: [PATCH] AP_Rangefinder: use ratiometric analog input for analog sonar

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

diff --git a/libraries/AP_RangeFinder/AP_RangeFinder_analog.cpp b/libraries/AP_RangeFinder/AP_RangeFinder_analog.cpp
index b26e778d7..79cb53941 100644
--- a/libraries/AP_RangeFinder/AP_RangeFinder_analog.cpp
+++ b/libraries/AP_RangeFinder/AP_RangeFinder_analog.cpp
@@ -120,7 +120,7 @@ float AP_RangeFinder_analog::voltage(void)
    _source->set_pin(_pin);
    _source->set_stop_pin((uint8_t)_stop_pin);
    _source->set_settle_time((uint16_t)_settle_time_ms);
-   return _source->voltage_average();
+   return _source->voltage_average_ratiometric();
 }
 
 /*
-- 
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