sample for GPS (used by nucleo_STM-F303K8)
Dependencies: mbed
Fork of Nucleo_GPS by
main.cpp
- Committer:
- mikawataru
- Date:
- 2017-01-28
- Revision:
- 4:ccc66c37d3f1
- Parent:
- 3:03e5370e74a3
File content as of revision 4:ccc66c37d3f1:
/* 説明 Nucleo-F303K8とGPSモジュールを使ったサンプルプログラム. 使用GPS http://akizukidenshi.com/catalog/g/gK-09991/ 参考 http://www.hiramine.com/physicalcomputing/general/gps_nmeaformat.html 以下ピン配置 Nucleo GPSモジュール GND-----GND-----------0V 5V------VIN D0------TX D1------RX */ #include "mbed.h" DigitalOut myled(LED1); Serial gps(D1, D0); // tx, rx Serial pc(USBTX, USBRX); // tx, rx int i,rlock,mode; char gps_data[256]; char ns,ew; float w_time,hokui,tokei; float g_hokui,g_tokei; float d_hokui,m_hokui,d_tokei,m_tokei; unsigned char c; void getGPS() { c = gps.getc(); if( c=='$' || i == 256){ mode = 0; i = 0; for(int j=0; j<256; j++){ gps_data[j]=NULL; } } if(mode==0){ if((gps_data[i]=c) != '\r'){ i++; }else{ gps_data[i]='\0'; if( sscanf(gps_data, "$GPGGA,%f,%f,%c,%f,%c,%d",&w_time,&hokui,&ns,&tokei,&ew,&rlock) >= 1){ if(rlock==1){ pc.printf("Status:Lock(%d)\n\r",rlock); //logitude d_tokei= int(tokei/100); m_tokei= (tokei-d_tokei*100)/60; g_tokei= d_tokei+m_tokei; //Latitude d_hokui=int(hokui/100); m_hokui=(hokui-d_hokui*100)/60; g_hokui=d_hokui+m_hokui; pc.printf("Lon:%.6f, Lat:%.6f\n\r",g_tokei, g_hokui); } else{ pc.printf("\n\rStatus:unLock(%d)\n\r",rlock); pc.printf("%s",gps_data); } sprintf(gps_data, ""); }//if } } } int main(){ pc.printf("*** GPS GT-720F ***"); gps.baud(9600); // pc.baud(115200); gps.attach(getGPS,Serial::RxIrq); while(1) {} }