Darren Ulrich / GPSISR

A GPS serial interrupt service routine that has an on the fly nmea parser. Works with a STM32F411RE and a Adafruit GPS logger.

Dependents:   Bicycl_Computer_NUCLEO-F411RE Bicycl_Computer_NUCLEO-L476RG

Fork of GPS by Simon Ford

main.cpp

#include "mbed.h"
#include "GPSISR.h"

#define PIN_RX_GPS      PA_12 //GPS Shield RX pin
#define PIN_TX_GPS      PA_11 //GPS Shield TX pin
Serial pc(USBTX, USBRX);

// Set up serial interrupe service handler for gps characters.
GPS MyGPS(PIN_TX_GPS,PIN_RX_GPS, 9600);
int main()
{
    while (1) {
	if (MyGPS.dataready()) {
					MyGPS.read();
					pc.printf("NMEA has valid data");
					pc.printf("Sats : %d \n", MyGPS.buffer.satellites);
					pc.printf("%d-%d-%d\n", MyGPS.buffer.month, MyGPS.buffer.day, MyGPS.buffer.year);
					pc.printf("%d:%d:%d\n", MyGPS.buffer.hours, MyGPS.buffer.minutes, MyGPS.buffer.seconds);
	}
	else {
                pc.printf("NMEA has no valid data");
	}   
   }  
}

Diff: GPSISR.h

Revision:
4:7240a18102a6
Parent:
3:e64b8be9ce92
Child:
5:c5f700c1e1af
--- a/GPSISR.h	Fri Feb 17 23:31:39 2017 +0000
+++ b/GPSISR.h	Sat Feb 18 01:37:25 2017 +0000
@@ -50,8 +50,9 @@
     uint8_t day;
     uint8_t month;
     uint8_t year;
-    uint8_t hour;
+    uint8_t hours;
     uint8_t minutes;
+    uint8_t seconds;
     float   speed;
     float   altitude;
     float   bearing;