Wesley Schon
/
GP20U7_HelloWorld
Hello World Program for GP20U7 GPS module from Sparkfun
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main.cpp
00001 #include "mbed.h" 00002 #include "GPS.h" 00003 00004 Serial pc(USBTX, USBRX); 00005 GPS gps(p13, p14); 00006 00007 int main() { 00008 //pc.printf("start main\r\n"); 00009 while(1) { 00010 //wait(0.1); 00011 //pc.printf("\nHello world\n\r"); 00012 //printf ("\n\r the value of GPS sample is : %d\n\r", gps.sample()); 00013 if(gps.sample()) { 00014 //pc.printf("\r\nsampled\r\n"); 00015 pc.printf("Longitude: %f degrees %c\n\rLatitude: %f degrees %c\n\rAltitude: %f meters \n\rUTC time: %f\n\r", gps.longitude, gps.ns, gps.latitude, gps.ew, gps.alt, gps.time); 00016 //pc.printf("good\r\n"); 00017 } else { 00018 pc.printf("Oh Dear! No lock :(\n\r"); 00019 //pc.printf("bad\r\n"); 00020 } 00021 } 00022 } 00023 00024 00025 /* 00026 $GPRMC,000115.039,V,,,,,,,291006,,*2C 00027 $GPGGA,000116.031,,,,,0,00,,,M,0.0,M,,0000*52 00028 $GPGSA,A,1,,,,,,,,,,,,,,,*1E 00029 $GPGSV,3,1,12,20,00,000,,10,00,000,,31,00,000,,27,00,000,*7C 00030 $GPGSV,3,2,12,19,00,000,,07,00,000,,04,00,000,,24,00,000,*76 00031 $GPGSV,3,3,12,16,00,000,,28,00,000,,26,00,000,,29,00,000,*78 00032 $GPRMC,000116.031,V,,,,,,,291006,,*27 00033 $GPGGA,000117.035,,,,,0,00,,,M,0.0,M,,0000*57 00034 $GPGSA,A,1,,,,,,,,,,,,,,,*1E 00035 $GPRMC,000117.035,V,,,,,,,291006,,*22 00036 $GPGGA,000118.039,,,,,0,00,,,M,0.0,M,,0000*54 00037 $GPGSA,A,1,,,,,,,,,,,,,,,*1E 00038 $GPRMC,000118.039,V,,,,,,,291006,,*21 00039 $GPGGA,000119.035,,,,,0,00,,,M,0.0,M,,0000*59 00040 $GPGSA,A,1,,,,,,,,,,,,,,,*1E 00041 $GPRMC,000119.035,V,,,,,,,291006,,*2C 00042 $GPGGA,000120.037,,,,,0,00,,,M,0.0,M,,0000*51 00043 $GPGSA,A,1,,,,,,,,,,,,,,,*1E 00044 $GPRMC,000120.037,V,,,,,,,291006,,*24 00045 */
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