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Merge pull request #1358 from meshtastic/gpsfix

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Improve T-Echo GPS Handling
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Thomas Göttgens 2022-04-06 09:29:59 +02:00 committed by GitHub
commit 0035469790
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2 changed files with 20 additions and 1 deletions
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2
platformio.ini
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@ -48,7 +48,7 @@ lib_deps =
https://github.com/meshtastic/arduino-fsm.git
https://github.com/meshtastic/SparkFun_Ublox_Arduino_Library.git#31015a55e630a2df77d9d714669c621a5bf355ad
https://github.com/meshtastic/RadioLib.git#5582ac30578ff3f53f20630a00b2a8a4b8f92c74
https://github.com/meshtastic/TinyGPSPlus.git#f0f47067ef2f67c856475933188251c1ef615e79
https://github.com/meshtastic/TinyGPSPlus.git
https://github.com/meshtastic/AXP202X_Library.git#8404abb6d4b486748636bc6ad72d2a47baaf5460
Wire ; explicitly needed here because the AXP202 library forgets to add it
SPI

19
src/gps/GPS.cpp
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@ -41,6 +41,25 @@ bool GPS::setupGPS()
#endif
#ifndef NO_ESP32
_serial_gps->setRxBufferSize(2048); // the default is 256
#endif
#ifdef TTGO_T_ECHO
// Switch to 4800 baud, then close and reopen port
_serial_gps->write("$PCAS01,0*1C\r\n");
delay(250);
_serial_gps->end();
delay(250);
_serial_gps->begin(4800);
delay(250);
// Initialize the L76K Chip, use GPS + GLONASS
_serial_gps->write("$PCAS04,5*1C\r\n");
delay(250);
// only ask for RMC and GGA
_serial_gps->write("$PCAS03,1,0,0,0,1,0,0,0,0,0,,,0,0*02\r\n");
delay(250);
// Switch to Vehicle Mode, since SoftRF enables Aviation < 2g
_serial_gps->write("$PCAS11,3*1E\r\n");
delay(250);
#endif
}