CORE / Mbed 2 deprecated Sample_GPS

sample for GPS (used by nucleo_STM-F303K8)

Dependencies:   mbed

Fork of Nucleo_GPS by Kosuke Furumoto

main.cpp@4:ccc66c37d3f1, 2017-01-28 (annotated)

Committer:
mikawataru
Date:
Sat Jan 28 13:34:26 2017 +0000
Revision:
4:ccc66c37d3f1
Parent:
3:03e5370e74a3 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
mikawataru 1:91f4ae33e6ac 1 /*
mikawataru 1:91f4ae33e6ac 2 説明
mikawataru 3:03e5370e74a3 3 Nucleo-F303K8とGPSモジュールを使ったサンプルプログラム．
mikawataru 3:03e5370e74a3 4
mikawataru 3:03e5370e74a3 5 使用GPS
mikawataru 3:03e5370e74a3 6 http://akizukidenshi.com/catalog/g/gK-09991/
mikawataru 1:91f4ae33e6ac 7
mikawataru 1:91f4ae33e6ac 8 参考
mikawataru 1:91f4ae33e6ac 9 http://www.hiramine.com/physicalcomputing/general/gps_nmeaformat.html
mikawataru 1:91f4ae33e6ac 10
mikawataru 1:91f4ae33e6ac 11
mikawataru 1:91f4ae33e6ac 12 以下ピン配置
mikawataru 1:91f4ae33e6ac 13 Nucleo GPSモジュール
mikawataru 1:91f4ae33e6ac 14 GND-----GND-----------0V
mikawataru 2:59b33f158822 15 5V------VIN
mikawataru 1:91f4ae33e6ac 16 D0------TX
mikawataru 1:91f4ae33e6ac 17 D1------RX
mikawataru 1:91f4ae33e6ac 18 */
Koob 0:8889ed33c550 19 #include "mbed.h"
mikawataru 1:91f4ae33e6ac 20
mikawataru 2:59b33f158822 21 DigitalOut myled(LED1);
mikawataru 2:59b33f158822 22 Serial gps(D1, D0); // tx, rx
mikawataru 3:03e5370e74a3 23 Serial pc(USBTX, USBRX); // tx, rx
mikawataru 2:59b33f158822 24 int i,rlock,mode;
mikawataru 4:ccc66c37d3f1 25 char gps_data[256];
mikawataru 2:59b33f158822 26 char ns,ew;
mikawataru 2:59b33f158822 27 float w_time,hokui,tokei;
mikawataru 2:59b33f158822 28 float g_hokui,g_tokei;
mikawataru 2:59b33f158822 29 float d_hokui,m_hokui,d_tokei,m_tokei;
mikawataru 2:59b33f158822 30 unsigned char c;
Koob 0:8889ed33c550 31
mikawataru 2:59b33f158822 32 void getGPS() {
mikawataru 2:59b33f158822 33 c = gps.getc();
mikawataru 2:59b33f158822 34 if( c=='$' || i == 256){
mikawataru 2:59b33f158822 35 mode = 0;
mikawataru 2:59b33f158822 36 i = 0;
mikawataru 4:ccc66c37d3f1 37 for(int j=0; j<256; j++){
mikawataru 4:ccc66c37d3f1 38 gps_data[j]=NULL;
mikawataru 4:ccc66c37d3f1 39 }
mikawataru 2:59b33f158822 40 }
mikawataru 2:59b33f158822 41 if(mode==0){
mikawataru 2:59b33f158822 42 if((gps_data[i]=c) != '\r'){
mikawataru 2:59b33f158822 43 i++;
mikawataru 2:59b33f158822 44 }else{
Koob 0:8889ed33c550 45 gps_data[i]='\0';
mikawataru 2:59b33f158822 46
mikawataru 2:59b33f158822 47 if( sscanf(gps_data, "$GPGGA,%f,%f,%c,%f,%c,%d",&w_time,&hokui,&ns,&tokei,&ew,&rlock) >= 1){
Koob 0:8889ed33c550 48 if(rlock==1){
mikawataru 1:91f4ae33e6ac 49 pc.printf("Status:Lock(%d)\n\r",rlock);
mikawataru 2:59b33f158822 50 //logitude
Koob 0:8889ed33c550 51 d_tokei= int(tokei/100);
Koob 0:8889ed33c550 52 m_tokei= (tokei-d_tokei*100)/60;
mikawataru 1:91f4ae33e6ac 53 g_tokei= d_tokei+m_tokei;
mikawataru 2:59b33f158822 54 //Latitude
Koob 0:8889ed33c550 55 d_hokui=int(hokui/100);
Koob 0:8889ed33c550 56 m_hokui=(hokui-d_hokui*100)/60;
Koob 0:8889ed33c550 57 g_hokui=d_hokui+m_hokui;
mikawataru 2:59b33f158822 58 pc.printf("Lon:%.6f, Lat:%.6f\n\r",g_tokei, g_hokui);
Koob 0:8889ed33c550 59 }
Koob 0:8889ed33c550 60 else{
Koob 0:8889ed33c550 61 pc.printf("\n\rStatus:unLock(%d)\n\r",rlock);
mikawataru 2:59b33f158822 62 pc.printf("%s",gps_data);
Koob 0:8889ed33c550 63 }
mikawataru 2:59b33f158822 64 sprintf(gps_data, "");
Koob 0:8889ed33c550 65 }//if
mikawataru 2:59b33f158822 66 }
mikawataru 2:59b33f158822 67 }
mikawataru 2:59b33f158822 68 }
mikawataru 2:59b33f158822 69
mikawataru 2:59b33f158822 70 int main(){
mikawataru 2:59b33f158822 71 pc.printf("*** GPS GT-720F ***");
mikawataru 2:59b33f158822 72 gps.baud(9600);
mikawataru 4:ccc66c37d3f1 73 // pc.baud(115200);
mikawataru 2:59b33f158822 74 gps.attach(getGPS,Serial::RxIrq);
mikawataru 2:59b33f158822 75 while(1) {}
mikawataru 2:59b33f158822 76 }