Plane: log SONR.DistCM in cm as SONR.Dist as meters

ArduPlane/Log.cpp

@@ -335,7 +335,7 @@ void Plane::Log_Write_Status()
 struct PACKED log_Sonar {
     LOG_PACKET_HEADER;
     uint64_t time_us;
-    uint16_t distance;
+    float distance;
     float voltage;
     uint8_t count;
     float correction;
@@ -353,7 +353,7 @@ void Plane::Log_Write_Sonar()
     struct log_Sonar pkt = {
         LOG_PACKET_HEADER_INIT(LOG_SONAR_MSG),
         time_us     : AP_HAL::micros64(),
-        distance    : distance,
+        distance    : (float)distance*0.01f,
         voltage     : rangefinder.voltage_mv()*0.001f,
         count       : rangefinder_state.in_range_count,
         correction  : rangefinder_state.correction
@@ -484,7 +484,7 @@ const struct LogStructure Plane::log_structure[] = {
     { LOG_NTUN_MSG, sizeof(log_Nav_Tuning),         
       "NTUN", "Qfcccfff",  "TimeUS,WpDist,TargBrg,NavBrg,AltErr,XT,XTi,ArspdErr" },
     { LOG_SONAR_MSG, sizeof(log_Sonar),             
-      "SONR", "QHfBf",   "TimeUS,DistCM,Volt,Cnt,Corr" },
+      "SONR", "QffBf",   "TimeUS,Dist,Volt,Cnt,Corr" },
     { LOG_ARM_DISARM_MSG, sizeof(log_Arm_Disarm),
       "ARM", "QBH", "TimeUS,ArmState,ArmChecks" },
     { LOG_ATRP_MSG, sizeof(AP_AutoTune::log_ATRP),