Revision 2:482c199ca6de, committed 2017-07-28

Comitter:

mikawataru

Date:

Fri Jul 28 17:46:22 2017 +0000

Parent:

1:8425c3fba1c3

Commit message:

fix calculation

Changed in this revision

diff -r 8425c3fba1c3 -r 482c199ca6de GPS.cpp
--- a/GPS.cpp	Sat Jul 15 15:08:02 2017 +0000
+++ b/GPS.cpp	Fri Jul 28 17:46:22 2017 +0000
@@ -1,5 +1,5 @@
 #include "mbed.h"
-#include "string.h"
+#include "string"
 #include "GPS.h"
 
 GPS::GPS(PinName tx, PinName rx) : gps(tx,rx){
@@ -36,8 +36,8 @@
     char lat,lon;
     if(sscanf(gps_data,"GPGGA,%f,%f,%c,%f,%c,%d,%d",&world_time,&lat_north,&lat,&lon_east,&lon,&rlock,&sat_num)>=1){
       if(rlock==1){
-        lat_north = calcLatitude(lat_north);
-        lon_east = calcLongitude(lon_east);
+        lat_north = DMS2DEG(lat_north);
+        lon_east = DMS2DEG(lon_east);
         debug->printf("%s\n",gps_data);
         debug->printf("Lat:%f,Lon%f\r\ntime:%f,sat_num:%d\r\n",lat_north,lon_east,world_time,sat_num);
       }else{
@@ -55,15 +55,8 @@
   gps.attach(this,&GPS::getGPS,Serial::RxIrq);
 }
 
-float GPS::calcLatitude(float raw_data){
-        int lat_d = (int)(raw_data/100);
-        float lat_m = (raw_data - (float)lat_d*100);
-        return (float)lat_d + lat_m/60;
-} 
-float GPS::calcLongitude(float raw_data){
-        int lon_d = (int)(raw_data/100);
-        float lon_m = (raw_data - (float)lon_d*100);
-        return (float)lon_d + lon_m/60;
-}
-
-
+float GPS::DMS2DEG(float raw_data){
+        int d = (int)(raw_data/100);
+        float m = (raw_data - (float)d*100);
+        return (float)d + m/60;
+} 
\ No newline at end of file

diff -r 8425c3fba1c3 -r 482c199ca6de GPS.h
--- a/GPS.h	Sat Jul 15 15:08:02 2017 +0000
+++ b/GPS.h	Fri Jul 28 17:46:22 2017 +0000
@@ -14,8 +14,7 @@
    void rateUP();
    void getGPS();
    void LogStart(PinName tx, PinName rx);
-   float calcLatitude(float raw_data); 
-   float calcLongitude(float raw_data);
+   float DMS2DEG(float raw_data); 
 };
 
 #endif
\ No newline at end of file