sample for GPS (used by nucleo_STM-F303K8)

Dependencies:   mbed

Fork of Nucleo_GPS by Kosuke Furumoto

Committer:
Koob
Date:
Mon Aug 08 02:05:09 2016 +0000
Revision:
0:8889ed33c550
Child:
1:91f4ae33e6ac
nucleo_GPS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Koob 0:8889ed33c550 1 #include "mbed.h"
Koob 0:8889ed33c550 2
Koob 0:8889ed33c550 3 Serial gps(D1, D0); // tx, rx
Koob 0:8889ed33c550 4 Serial pc(USBTX, USBRX); // tx, rx
Koob 0:8889ed33c550 5
Koob 0:8889ed33c550 6 int main() {
Koob 0:8889ed33c550 7
Koob 0:8889ed33c550 8 unsigned char c;
Koob 0:8889ed33c550 9 int i,rlock;
Koob 0:8889ed33c550 10 char gps_data[256],gps2_data[256];
Koob 0:8889ed33c550 11 char ns,ew;
Koob 0:8889ed33c550 12 float time,hokui,tokei;
Koob 0:8889ed33c550 13 float g_hokui,g_tokei;
Koob 0:8889ed33c550 14 float d_hokui,m_hokui,d_tokei,m_tokei;
Koob 0:8889ed33c550 15
Koob 0:8889ed33c550 16 gps.baud(9600);
Koob 0:8889ed33c550 17 pc.printf("*** GPS GT-720F ***");
Koob 0:8889ed33c550 18
Koob 0:8889ed33c550 19 while (1) {
Koob 0:8889ed33c550 20 i=0;
Koob 0:8889ed33c550 21 while(gps.getc()!='$'){
Koob 0:8889ed33c550 22 }
Koob 0:8889ed33c550 23
Koob 0:8889ed33c550 24 while((gps_data[i]=gps.getc()) != '\r'){
Koob 0:8889ed33c550 25 i++;
Koob 0:8889ed33c550 26 if(i==256){
Koob 0:8889ed33c550 27 pc.printf("*** Div Error! ***\n");
Koob 0:8889ed33c550 28 i=255;
Koob 0:8889ed33c550 29 break;
Koob 0:8889ed33c550 30 }
Koob 0:8889ed33c550 31 }
Koob 0:8889ed33c550 32 gps_data[i]='\0';
Koob 0:8889ed33c550 33
Koob 0:8889ed33c550 34 if( sscanf(gps_data, "GPGGA,%f,%f,%c,%f,%c,%d",&time,&hokui,&ns,&tokei,&ew,&rlock) >= 1){
Koob 0:8889ed33c550 35 if(rlock==1){
Koob 0:8889ed33c550 36 pc.printf("Status:Lock(%d)\n\r",rlock);
Koob 0:8889ed33c550 37 //logitude
Koob 0:8889ed33c550 38 d_tokei= int(tokei/100);
Koob 0:8889ed33c550 39 m_tokei= (tokei-d_tokei*100)/60;
Koob 0:8889ed33c550 40 g_tokei= d_tokei+m_tokei;
Koob 0:8889ed33c550 41 pc.printf("Log:%4.5f,",g_tokei);
Koob 0:8889ed33c550 42 //Latitude
Koob 0:8889ed33c550 43 d_hokui=int(hokui/100);
Koob 0:8889ed33c550 44 m_hokui=(hokui-d_hokui*100)/60;
Koob 0:8889ed33c550 45 g_hokui=d_hokui+m_hokui;
Koob 0:8889ed33c550 46 pc.printf("Lat:%4.5f\n\r",g_hokui);
Koob 0:8889ed33c550 47
Koob 0:8889ed33c550 48 }
Koob 0:8889ed33c550 49 else{
Koob 0:8889ed33c550 50 pc.printf("\n\rStatus:unLock(%d)\n\r",rlock);
Koob 0:8889ed33c550 51 for(i=0;i<40;i++){
Koob 0:8889ed33c550 52 pc.printf("%c",gps_data[i]);
Koob 0:8889ed33c550 53 }
Koob 0:8889ed33c550 54 }
Koob 0:8889ed33c550 55 }//if
Koob 0:8889ed33c550 56 }//while
Koob 0:8889ed33c550 57 }//main