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#include <taskGPS.h>
#include <SparkFun_Ublox_Arduino_Library.h>
#include <taskWebServer.h>
SFE_UBLOX_GPS myGPS;
#ifdef ENABLE_WIFI
#include "wifi_clients.h"
#define MAX_GPS_WIFI_CLIENTS 6
WiFiClient * gps_clients[MAX_GPS_WIFI_CLIENTS];
#endif
// Pins for GPS
#ifdef T_BEAM_V1_0
static const int RXPin = 12, TXPin = 34;
#else
static const int RXPin = 15, TXPin = 12;
#endif
static const uint32_t GPSBaud = 9600; //GPS
HardwareSerial gpsSerial(1); // TTGO has HW serial
TinyGPSPlus gps; // The TinyGPS++ object
bool gpsInitialized = false;
[[noreturn]] void taskGPS(void *parameter) {
if (!gpsInitialized){
gpsSerial.begin(GPSBaud, SERIAL_8N1, TXPin, RXPin); //Startup HW serial for GPS
// set GPS parameters on restart
// Thanks Peter (https://github.com/peterus)
// https://github.com/lora-aprs/TTGO-T-Beam_GPS-reset
if(myGPS.begin(gpsSerial)){
myGPS.setUART1Output(COM_TYPE_NMEA); //Set the UART port to output NMEA only
//myGPS.saveConfiguration(); //Save the current settings to flash and BBR
myGPS.enableNMEAMessage(UBX_NMEA_GLL, COM_PORT_UART1);
myGPS.enableNMEAMessage(UBX_NMEA_GSA, COM_PORT_UART1);
myGPS.enableNMEAMessage(UBX_NMEA_GSV, COM_PORT_UART1);
myGPS.enableNMEAMessage(UBX_NMEA_VTG, COM_PORT_UART1);
myGPS.enableNMEAMessage(UBX_NMEA_RMC, COM_PORT_UART1);
myGPS.enableNMEAMessage(UBX_NMEA_GGA, COM_PORT_UART1);
//myGPS.saveConfiguration(); //Save the current settings to flash and BBR
delay(1000);
}
}
String gpsDataBuffer = " ";
for (;;) {
#ifdef ENABLE_WIFI
check_for_new_clients(&gpsServer, gps_clients, MAX_GPS_WIFI_CLIENTS);
#endif
while (gpsSerial.available() > 0) {
char gpsChar = (char)gpsSerial.read();
gps.encode(gpsChar);
#ifdef ENABLE_WIFI
if (gpsChar == '$') {
gpsDataBuffer = String(gpsChar);
} else {
gpsDataBuffer += String(gpsChar);
if (gpsChar == '\n') {
iterateWifiClients([](WiFiClient *client, int clientIdx, const String *data){
if (client->connected()){
client->print(*data);
client->flush();
}
}, &gpsDataBuffer, gps_clients, MAX_GPS_WIFI_CLIENTS);
gpsDataBuffer = "";
}
}
#endif
}
vTaskDelay(100 / portTICK_PERIOD_MS);
}
}