programme GPS pour ERS4

Dependencies:   mbed

Fork of GPS_IUT_Nice by tito tito

Committer:
pierrick
Date:
Fri Mar 11 10:18:09 2016 +0000
Revision:
1:f24af888e699
Parent:
0:2c0686a07ab8
Child:
2:addb687a4e73
code simple gps ers4 iut nice

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreday20 0:2c0686a07ab8 1 #include "mbed.h"
pierrick 1:f24af888e699 2 //#include "GPS.h"
pierrick 1:f24af888e699 3 #include <Serial.h>
pierrick 1:f24af888e699 4 #include "getline.h"
pierrick 1:f24af888e699 5 #include <math.h>
pierrick 1:f24af888e699 6 //#include "stream.h"
dreday20 0:2c0686a07ab8 7
dreday20 0:2c0686a07ab8 8 Serial pc(USBTX, USBRX);
pierrick 1:f24af888e699 9 //GPS gps(p13, p14);
dreday20 0:2c0686a07ab8 10
pierrick 1:f24af888e699 11 Serial uart1(p13, p14);
pierrick 1:f24af888e699 12 char c;
pierrick 1:f24af888e699 13 int event_callback_t ;
pierrick 1:f24af888e699 14 int event;
pierrick 1:f24af888e699 15 unsigned char char_match ;
pierrick 1:f24af888e699 16 char msg[1000];
pierrick 1:f24af888e699 17 /** The longitude (call sample() to set) */
pierrick 1:f24af888e699 18 float longitude;
pierrick 1:f24af888e699 19
pierrick 1:f24af888e699 20 /** The latitude (call sample() to set) */
pierrick 1:f24af888e699 21 float latitude,time2;
pierrick 1:f24af888e699 22
pierrick 1:f24af888e699 23 char ns, ew;
pierrick 1:f24af888e699 24 int lock;
dreday20 0:2c0686a07ab8 25 int main() {
pierrick 1:f24af888e699 26 uart1.baud(9600);
pierrick 1:f24af888e699 27 printf("hello\n");
pierrick 1:f24af888e699 28 while (1){
pierrick 1:f24af888e699 29 if (uart1.readable())
pierrick 1:f24af888e699 30 {
pierrick 1:f24af888e699 31
pierrick 1:f24af888e699 32 getline(uart1,msg,999);
pierrick 1:f24af888e699 33 // pc.printf("\n %s",msg);
pierrick 1:f24af888e699 34 //pc.printf("long= %f %c latitude= %f %c\n",&longitude, &ew, &latitude, &ns);
pierrick 1:f24af888e699 35 // Check if it is a GPGGA msg (matches both locked and non-locked msg)
pierrick 1:f24af888e699 36 if ( sscanf(msg, "$GPGGA,%f,%f,%c,%f,%c,%d", &time2, &latitude, &ns, &longitude, &ew, &lock )>=1)
pierrick 1:f24af888e699 37 {
pierrick 1:f24af888e699 38 if(!lock) {
pierrick 1:f24af888e699 39 longitude = 0.0;
pierrick 1:f24af888e699 40 latitude = 0.0;
pierrick 1:f24af888e699 41 pc.printf("long= %f %c latitude= %f %c\n",&longitude, &ew, &latitude, &ns);
pierrick 1:f24af888e699 42 //return 0;
pierrick 1:f24af888e699 43 } else {
pierrick 1:f24af888e699 44 if(ns == 'S') { latitude *= -1.0; }
pierrick 1:f24af888e699 45 if(ew == 'W') { longitude *= -1.0; }
pierrick 1:f24af888e699 46 float degrees =(latitude / 100.0f);
pierrick 1:f24af888e699 47 float minutes = latitude - (degrees * 100.0f);
pierrick 1:f24af888e699 48 latitude = degrees + minutes / 60.0f;
pierrick 1:f24af888e699 49 degrees = (longitude / 100.0f * 0.01f);
pierrick 1:f24af888e699 50 minutes = longitude - (degrees * 100.0f);
pierrick 1:f24af888e699 51 longitude = degrees + minutes / 60.0f;
pierrick 1:f24af888e699 52 printf("time = %f \n", time2);
pierrick 1:f24af888e699 53 pc.printf("long= %f %c latitude= %f %c\n",longitude, ew, latitude, ns);
pierrick 1:f24af888e699 54 //return 1;
pierrick 1:f24af888e699 55 }//end else
pierrick 1:f24af888e699 56 }//end if
pierrick 1:f24af888e699 57 }//end if
pierrick 1:f24af888e699 58 } //end while
pierrick 1:f24af888e699 59 } //end main
pierrick 1:f24af888e699 60
pierrick 1:f24af888e699 61 /*
pierrick 1:f24af888e699 62 c=uart1.getc();
pierrick 1:f24af888e699 63 pc.printf("%c",c);
pierrick 1:f24af888e699 64 */
pierrick 1:f24af888e699 65 /* }
pierrick 1:f24af888e699 66
pierrick 1:f24af888e699 67
pierrick 1:f24af888e699 68 */
pierrick 1:f24af888e699 69 /*
dreday20 0:2c0686a07ab8 70 while(1) {
pierrick 1:f24af888e699 71 //wait(1.0);
pierrick 1:f24af888e699 72 //printf("hello bis\n");
pierrick 1:f24af888e699 73
dreday20 0:2c0686a07ab8 74 if(gps.sample()) {
pierrick 1:f24af888e699 75 printf("I'm at %f, %f\n", gps.longitude, gps.latitude);
dreday20 0:2c0686a07ab8 76 } else {
pierrick 1:f24af888e699 77 printf("Oh Dear! No lock :(\n");
dreday20 0:2c0686a07ab8 78 }
dreday20 0:2c0686a07ab8 79 }
pierrick 1:f24af888e699 80 }
pierrick 1:f24af888e699 81
pierrick 1:f24af888e699 82
pierrick 1:f24af888e699 83 // Print "Hello World" to the PC
pierrick 1:f24af888e699 84
pierrick 1:f24af888e699 85 #include "mbed.h"
pierrick 1:f24af888e699 86 */
pierrick 1:f24af888e699 87