Diff: nmea0813.cpp

Revision:

1:f4d3c59a4917

Parent:

0:42a334c405de

diff -r 42a334c405de -r f4d3c59a4917 nmea0813.cpp
--- a/nmea0813.cpp	Fri Mar 29 05:55:53 2013 +0000
+++ b/nmea0813.cpp	Sun Jun 02 10:01:47 2013 +0000
@@ -12,7 +12,7 @@
  
  
 void GPS::rxHandler(void){
-    char rxbuf;
+
     rxbuf = getc();
     GPSdata[count] = rxbuf;
     if(rxbuf == '$'){       
@@ -32,11 +32,10 @@
 }
 
 void GPS::update_infomation() { //repeatedlly called function
-    get_GGA_RMC(GPSdata);
-    get_infomation(GPGGA,GPRMC);
+    set_GGA_RMC(GPSdata);
 }
 
-void GPS::get_GGA_RMC(char* str){
+void GPS::set_GGA_RMC(char* str){
     int nullflg=0;
     char *sp;
 
@@ -50,6 +49,7 @@
                 nullflg = 1;
             }
         }else{
+            //break;
             GPGGA[i] = '\n';
         }           
     }
@@ -64,42 +64,29 @@
                 nullflg = 1;
             }
         }else{
+            //break;
             GPRMC[i] = '\n';
         }           
     }
     nullflg = 0;
 }
 
-void GPS::get_infomation(char* gga,char* rmc){
-    if(gga[8]=='0'){
-        time_str[0]=gga[7];
-        time_str[1]=gga[8]+0x09;
-    }else{
-        time_str[0]=gga[7]+0x01;
-        time_str[1]=gga[8]-0x01;
-    }
+char* GPS::get_time(){
+    time_str[0]=GPGGA[7];
+    time_str[1]=GPGGA[8];
     time_str[2]=':';
-    time_str[3]=gga[9];
-    time_str[4]=gga[10];
+    time_str[3]=GPGGA[9];
+    time_str[4]=GPGGA[10];
     time_str[5]=':';
-    time_str[6]=gga[11];
-    time_str[7]=gga[12];
-    
-    states = rmc[18];
-    
+    time_str[6]=GPGGA[11];
+    time_str[7]=GPGGA[12];
+    return time_str;
+}
+
+float GPS::get_latitude(){
     for(int i=0;i<9;i++){
-        latitude_str[i]=gga[18+i];
+        latitude_str[i]=GPGGA[18+i];
     }
-    for(int i=0;i<10;i++){
-        longitude_str[i]=gga[30+i];
-    }
-    for(int i=0;i<5;i++){
-        speed_str[i]=rmc[51+i];
-    }
-    speed = (float)(speed_str[0]-0x30)*100.0+\
-            (float)(speed_str[1]-0x30)*10.0+\
-            (float)(speed_str[2]-0x30)*1.0+\
-            (float)(speed_str[4]-0x30)*0.1;
     latitude = (float)(latitude_str[0]-0x30)*10.0+  \
                (float)(latitude_str[1]-0x30)+       \
                ((float)(latitude_str[2]-0x30)*10.0+ \
@@ -108,6 +95,20 @@
                (float)(latitude_str[6]-0x30)*0.01+  \
                (float)(latitude_str[7]-0x30)*0.001+ \
                (float)(latitude_str[8]-0x30)*0.0001)/60.0;
+    return latitude;
+}
+
+char* GPS::get_str_latitude(){
+    for(int i=0;i<9;i++){
+        latitude_str[i]=GPGGA[18+i];
+    }
+    return latitude_str;
+}
+
+float GPS::get_longitude(){
+    for(int i=0;i<10;i++){
+        longitude_str[i]=GPGGA[30+i];
+    }
     longitude = (float)(longitude_str[0]-0x30)*100.0+ \
                (float)(longitude_str[1]-0x30)*10.0+  \
                (float)(longitude_str[2]-0x30)+       \
@@ -117,32 +118,33 @@
                (float)(longitude_str[7]-0x30)*0.01+  \
                (float)(longitude_str[8]-0x30)*0.001+ \
                (float)(longitude_str[9]-0x30)*0.0001)/60.0;
-}
-
-char* GPS::get_time(){
-    return time_str;
-}
-
-float GPS::get_latitude(){
-    return latitude;
-}
-
-char* GPS::get_str_latitude(){
-    return latitude_str;
-}
-
-float GPS::get_longitude(){
     return longitude;
 }
 
 char* GPS::get_str_longitude(){
+    for(int i=0;i<10;i++){
+        longitude_str[i]=GPGGA[30+i];
+    }
     return longitude_str;
 }
 
-char GPS::get_states(){
-    return states;
+char GPS::get_status(){
+    status = GPRMC[18];
+    return status;
 }
 
 float GPS::get_speed(){
+    for(int i=0;i<5;i++){
+        speed_str[i]=GPRMC[51+i];
+    }
+    speed = (float)(speed_str[0]-0x30)*100.0+\
+            (float)(speed_str[1]-0x30)*10.0+\
+            (float)(speed_str[2]-0x30)*1.0+\
+            (float)(speed_str[4]-0x30)*0.1;
     return speed;
+}
+
+char GPS::get_satelite_number(){
+    number_of_satelite = GPGGA[46];
+    return number_of_satelite;
 }
\ No newline at end of file