kopia lustrzana https://github.com/meshtastic/firmware
(1/3) Support L76B GNSS chip found on pico waveshare shield. Original work by @Mictronics
Thomas Göttgens
rodzic
9c37e57e75
commit
58cdf360f8
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@ -77,7 +77,7 @@ lib_deps =
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https://github.com/meshtastic/esp8266-oled-ssd1306.git#ee628ee6c9588d4c56c9e3da35f0fc9448ad54a8 ; ESP8266_SSD1306
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mathertel/OneButton@^2.5.0 ; OneButton library for non-blocking button debounce
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https://github.com/meshtastic/arduino-fsm.git#7db3702bf0cfe97b783d6c72595e3f38e0b19159
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https://github.com/meshtastic/TinyGPSPlus.git#2044b2c51e91ab4cd8cc93b15e40658cd808dd06
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https://github.com/meshtastic/TinyGPSPlus.git#f9f4fef2183514aa52be91d714c1455dd6f26e45
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https://github.com/meshtastic/ArduinoThread.git#72921ac222eed6f526ba1682023cee290d9aa1b3
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nanopb/Nanopb@^0.4.7
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erriez/ErriezCRC32@^1.0.1
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@ -130,4 +130,4 @@ lib_deps =
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adafruit/Adafruit PM25 AQI Sensor@^1.0.6
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adafruit/Adafruit MPU6050@^2.2.4
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adafruit/Adafruit LIS3DH@^1.2.4
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https://github.com/lewisxhe/BMA423_Library@^0.0.1
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https://github.com/lewisxhe/BMA423_Library@^0.0.1
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@ -290,6 +290,26 @@ bool GPS::setup()
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// Switch to Vehicle Mode, since SoftRF enables Aviation < 2g
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_serial_gps->write("$PCAS11,3*1E\r\n");
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delay(250);
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} else if (gnssModel == GNSS_MODEL_MTK_L76B) {
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// Waveshare Pico-GPS hat uses the L76B with 9600 baud
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// Initialize the L76B Chip, use GPS + GLONASS
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// See note in L76_Series_GNSS_Protocol_Specification, chapter 3.29
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_serial_gps->write("$PMTK353,1,1,0,0,0*2B\r\n");
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// Above command will reset the GPS and takes longer before it will accept new commands
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delay(1000);
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// only ask for RMC and GGA (GNRMC and GNGGA)
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// See note in L76_Series_GNSS_Protocol_Specification, chapter 2.1
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_serial_gps->write("$PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*28\r\n");
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delay(250);
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// Enable SBAS
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_serial_gps->write("$PMTK301,2*2E\r\n");
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delay(250);
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// Enable PPS for 2D/3D fix only
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_serial_gps->write("$PMTK285,3,100*3F\r\n");
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delay(250);
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// Switch to Fitness Mode, for running and walking purpose with low speed (<5 m/s)
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_serial_gps->write("$PMTK886,1*29\r\n");
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delay(250);
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} else if (gnssModel == GNSS_MODEL_UC6580) {
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// The Unicore UC6580 can use a lot of sat systems, enable it to
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// use GPS L1 & L5 + BDS B1I & B2a + GLONASS L1 + GALILEO E1 & E5a + SBAS
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@ -625,17 +645,27 @@ void GPS::setGPSPower(bool on, bool standbyOnly, uint32_t sleepTime)
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return;
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}
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#endif
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#ifdef PIN_GPS_STANDBY // Specifically the standby pin for L76K and clones
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#ifdef PIN_GPS_STANDBY // Specifically the standby pin for L76B, L76K and clones
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if (on) {
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LOG_INFO("Waking GPS\n");
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pinMode(PIN_GPS_STANDBY, OUTPUT);
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// Some PCB's use an inverse logic due to a transistor driver
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// Example for this is the Pico-Waveshare Lora+GPS HAT
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#ifdef PIN_GPS_STANDBY_INVERTED
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digitalWrite(PIN_GPS_STANDBY, 0);
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#else
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digitalWrite(PIN_GPS_STANDBY, 1);
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#endif
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return;
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} else {
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LOG_INFO("GPS entering sleep\n");
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// notifyGPSSleep.notifyObservers(NULL);
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pinMode(PIN_GPS_STANDBY, OUTPUT);
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#ifdef PIN_GPS_STANDBY_INVERTED
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digitalWrite(PIN_GPS_STANDBY, 1);
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#else
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digitalWrite(PIN_GPS_STANDBY, 0);
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#endif
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return;
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}
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#endif
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@ -916,7 +946,7 @@ GnssModel_t GPS::probe(int serialSpeed)
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uint8_t buffer[768] = {0};
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delay(100);
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// Close all NMEA sentences , Only valid for MTK platform
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// Close all NMEA sentences , Only valid for L76K MTK platform
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_serial_gps->write("$PCAS03,0,0,0,0,0,0,0,0,0,0,,,0,0*02\r\n");
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delay(20);
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@ -928,6 +958,18 @@ GnssModel_t GPS::probe(int serialSpeed)
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return GNSS_MODEL_MTK;
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}
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// Close all NMEA sentences, valid for L76B MTK platform (Waveshare Pico GPS)
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_serial_gps->write("$PMTK514,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0*2E\r\n");
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delay(20);
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// Get version information
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clearBuffer();
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_serial_gps->write("$PMTK605*31\r\n");
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if (getACK("Quectel-L76B", 500) == GNSS_RESPONSE_OK) {
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LOG_INFO("L76B GNSS init succeeded, using L76B GNSS Module\n");
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return GNSS_MODEL_MTK_L76B;
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}
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uint8_t cfg_rate[] = {0xB5, 0x62, 0x06, 0x08, 0x00, 0x00, 0x00, 0x00};
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UBXChecksum(cfg_rate, sizeof(cfg_rate));
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clearBuffer();
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@ -1111,6 +1153,7 @@ GPS *GPS::createGps()
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_serial_gps->begin(GPS_BAUDRATE, SERIAL_8N1, new_gps->rx_gpio, new_gps->tx_gpio);
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#else
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_serial_gps->setFIFOSize(256);
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_serial_gps->begin(GPS_BAUDRATE);
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#endif
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@ -1168,6 +1211,9 @@ bool GPS::factoryReset()
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// byte _message_CFG_RST_COLDSTART[] = {0xB5, 0x62, 0x06, 0x04, 0x04, 0x00, 0xFF, 0xB9, 0x00, 0x00, 0xC6, 0x8B};
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// _serial_gps->write(_message_CFG_RST_COLDSTART, sizeof(_message_CFG_RST_COLDSTART));
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// delay(1000);
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} else if (HW_VENDOR == meshtastic_HardwareModel_RPI_PICO) {
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_serial_gps->write("$PMTK104*37\r\n");
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// No PMTK_ACK for this command.
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} else {
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// send the UBLOX Factory Reset Command regardless of detect state, something is very wrong, just assume it's UBLOX.
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// Factory Reset
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@ -20,12 +20,7 @@ struct uBloxGnssModelInfo {
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char extension[10][30];
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};
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typedef enum {
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GNSS_MODEL_MTK,
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GNSS_MODEL_UBLOX,
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GNSS_MODEL_UC6580,
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GNSS_MODEL_UNKNOWN,
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} GnssModel_t;
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typedef enum { GNSS_MODEL_MTK, GNSS_MODEL_UBLOX, GNSS_MODEL_UC6580, GNSS_MODEL_UNKNOWN, GNSS_MODEL_MTK_L76B } GnssModel_t;
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typedef enum {
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GNSS_RESPONSE_NONE,
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@ -92,8 +87,11 @@ class GPS : private concurrency::OSThread
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public:
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/** If !NULL we will use this serial port to construct our GPS */
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#if defined(RPI_PICO_WAVESHARE)
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static SerialUART *_serial_gps;
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#else
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static HardwareSerial *_serial_gps;
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#endif
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static uint8_t _message_PMREQ[];
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static uint8_t _message_PMREQ_10[];
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static const uint8_t _message_CFG_RXM_PSM[];
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