Slightly modified version of the SerialGPS library (https://os.mbed.com/teams/components/code/SerialGPS/) to support the BufferedSerial class
Diff: SerialGPS.cpp
- Revision:
- 1:214714f54773
- Parent:
- 0:1a8299deb917
- Child:
- 2:e7f24389167b
--- a/SerialGPS.cpp Fri Feb 12 12:39:46 2021 +0100 +++ b/SerialGPS.cpp Mon Feb 15 20:32:48 2021 +0100 @@ -22,18 +22,26 @@ */ #include "SerialGPS.h" +#include <cstdio> -SerialGPS::SerialGPS(PinName tx, PinName rx, int Baud) : _gps(tx, rx) { - _gps.set_baud(Baud); +SerialGPS::SerialGPS(PinName tx, PinName rx, int baud) + : + _gps_p(new UnbufferedSerial(tx, rx)), + _gps(*_gps_p) +{ + printf("SerialGPS"); + _gps.baud(baud); longitude = 0.0; latitude = 0.0; } -int SerialGPS::sample() { +int SerialGPS::sample() +{ char ns, ew, unit; int lock; - while(1) { + while(1) + { getline(); // Check if it is a GPGGA msg (matches both locked and non-locked msg) @@ -92,15 +100,18 @@ void SerialGPS::getline() { - while(_gps.getc() != '$'); // wait for the start of a line + char ch; - for(int i = 0; i < 256; i++) + while(_gps.read(&ch, 1) != '$') { - msg[i] = _gps.getc(); - if(msg[i] == '\r') + for(int i = 0; i < 256; i++) { - msg[i] = 0; - return; + msg[i] = _gps.read(&ch, 1); + if(msg[i] == '\r') + { + msg[i] = 0; + return; + } } }