gavin beardall
/
gps1
main.cpp
- Committer:
- gbeardall
- Date:
- 2011-08-22
- Revision:
- 0:928e10388a1b
File content as of revision 0:928e10388a1b:
/* * gps1 * * http://www.sparkfun.com/products/9133 * http://www.sparkfun.com/datasheets/GPS/Modules/Skytraq-Venus634FLPx_DS_v051.pdf * http://www.sparkfun.com/datasheets/GPS/Modules/AN0003_v1.4.14_FlashOnly.pdf * */ #include "mbed.h" DigitalOut myled(LED1); Serial pc(USBTX,USBRX); Serial gps(p9,p10); // tx, rx volatile unsigned char buff[128]; volatile int bx = 0; volatile int rdy = 0; unsigned char chk = 0; void rxgps(void) { //while(gps.readable()) { int c = gps.getc(); pc.putc(c); if(c == '$') { bx = 0; chk = 0; } else { if(c == '*') { pc.printf("%02X=", chk); } else { chk ^= (unsigned char)c; } } buff[bx++] = c; if(c == '\n') rdy = 1; //if(c == '\n') pc.putc('\r'); //if(c == '\r') pc.putc('\n'); //} // while } // rxgps int main() { // pc.baud must be >= gps.baud pc.baud(115200); pc.printf("gps1\n\r"); gps.baud(38400); // 9600, 19200, 38400, 57600, 115200 gps.format(8,Serial::None,1); gps.attach(&rxgps, Serial::RxIrq); // GGA - Global Positioning System Fix Data // GPGGA,hhmmss.sss,ddmm.mmmm,a,dddmm.mmmm,a,x,xx,x.x, x.x,M,,,, xxxx*hh<CR><LF> // $GPGGA,184538.245,5105.0363,N,00109.9405,W,1,09,1.1,90.4,M,48.7,M,,0000*76 // GLL – Latitude/Longitude // GPGLL,ddmm.mmmm,a,dddmm.mmmm,a,hhmmss.sss,A,a*hh<CR><LF> // $GPGLL,5105.0363,N,00109.9405,W,184538.245,A,A*4C // GSA – GNSS DOP and Active Satellites // GPGSA,A,x,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,x.x,x.x,x.x*hh<CR><LF> // $GPGSA,A,3,19,08,06,18,16,22,24,07,11, , , ,2.0,1.1,1.7*3F // GSV – GNSS Satellites in View // GPGSV,x,x,xx,xx,xx,xxx,xx,…,xx,xx,xxx,xx *hh<CR><LF> // $GPGSV,3,1,12,19,77,295,20,03,66,137,14,22,55,098,32,06,53,125,33*79 // $GPGSV,3,2,12,18,31,053,19,11,30,261,32,16,27,183,24,24,19,246,24*7F // $GPGSV,3,3,12,08,15,301,36,07,10,275,27,21,06,069,09,15,05,019,*78 // RMC – Recommended Minimum Specific GNSS Data // time date // GPRMC,hhmmss.sss,A,dddmm.mmmm,a,dddmm.mmmm,a,x.x,x. x, ddmmyy,,,a*hh<CR><LF> // $GPRMC,184538.245,A,5105.0363, N,00109.9405,W,000.0,243.1,210811,,,A*74 // VTG – Course Over Ground and Ground Speed // GPVTG,x.x, T,,M,x.x, N,x.x, K,a*hh<CR><LF> // $GPVTG,243.1,T,,M,000.0,N,000.0,K,A*09 for(;;) { //int c = gps. //wait_us(10); int px = 0; while(!rdy); // wait for gps buffer } // for - ever } // main