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
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:
- 2:dbc6c0789611
- Parent:
- 1:4b5ffae743c0
- Child:
- 3:e64b8be9ce92
--- a/GPSISR.h Fri Feb 10 17:57:45 2017 +0000 +++ b/GPSISR.h Thu Feb 16 23:55:28 2017 +0000 @@ -34,9 +34,12 @@ GPS(PinName tx, PinName rx, int Baud); //Peripheral Serial _gps; + // Setup a serial interrupt function to transmit data void getline(); void Rx_interrupt(void); + bool isdatardy(void); + int getSats(void); char msg[256]; volatile char rx_in; bool interrupt;