From 47801a6c4dba0cbe8602192d220dd6651eb6aff9 Mon Sep 17 00:00:00 2001
From: Randy Mackay <rmackay9@yahoo.com>
Date: Tue, 15 Jul 2014 12:12:58 +0900
Subject: [PATCH] Compass: bug fix to init of device id

Also init members to reduce compiler warnings
---
 libraries/AP_Compass/Compass.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libraries/AP_Compass/Compass.cpp b/libraries/AP_Compass/Compass.cpp
index f74847a816..b19cccf51d 100644
--- a/libraries/AP_Compass/Compass.cpp
+++ b/libraries/AP_Compass/Compass.cpp
@@ -146,13 +146,16 @@ const AP_Param::GroupInfo Compass::var_info[] PROGMEM = {
 //
 Compass::Compass(void) :
     product_id(AP_COMPASS_TYPE_UNKNOWN),
-    _null_init_done(false)
+    last_update(0),
+    _null_init_done(false),
+    _thr_or_curr(0.0f),
+    _board_orientation(ROTATION_NONE)
 {
     AP_Param::setup_object_defaults(this, var_info);
 
 #if COMPASS_MAX_INSTANCES > 1
     // default device ids to zero.  init() method will overwrite with the actual device ids
-    for (uint8_t i; i<COMPASS_MAX_INSTANCES; i++) {
+    for (uint8_t i=0; i<COMPASS_MAX_INSTANCES; i++) {
         _dev_id[i] = 0;
     }
 #endif