From 9b42a97de95f1ccb44881c0ab1166e6d194dfebf Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Mon, 12 Nov 2012 10:28:06 +1100
Subject: [PATCH] AP_Compass: print I2C error count in test sketch

---
 .../AP_Compass/examples/AP_Compass_test/AP_Compass_test.pde  | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libraries/AP_Compass/examples/AP_Compass_test/AP_Compass_test.pde b/libraries/AP_Compass/examples/AP_Compass_test/AP_Compass_test.pde
index 8f97a7cc34..3e949b0525 100644
--- a/libraries/AP_Compass/examples/AP_Compass_test/AP_Compass_test.pde
+++ b/libraries/AP_Compass/examples/AP_Compass_test/AP_Compass_test.pde
@@ -99,11 +99,12 @@ void loop()
         offset[2] = -(max[2]+min[2])/2;
 
         // display all to user
-        Serial.printf("Heading: %.2f (%3u,%3u,%3u) ",
+        Serial.printf("Heading: %.2f (%3u,%3u,%3u) I2cerr=%u ",
                       ToDeg(heading),
                       compass.mag_x,
                       compass.mag_y,
-                      compass.mag_z);
+                      compass.mag_z, 
+		      I2c.lockup_count());
 
         // display offsets
         Serial.printf("\t offsets(%.2f, %.2f, %.2f)",