t-beam supreme: fixes and consolidation

Made changes requested by Scott Simplified gps init sequence and removed unnecessary code Reverted SensorManager change Updated PMU flow to enable header outputs
2026-03-30 12:45:45 +00:00 · 2025-05-25 21:23:31 -07:00
parent 64f30e82a4
commit 4b103ca0de
4 changed files with 44 additions and 105 deletions
--- a/src/helpers/SensorManager.h
+++ b/src/helpers/SensorManager.h
@@ -13,7 +13,7 @@ public:
  double node_lat, node_lon;  // modify these, if you want to affect Advert location
  double node_altitude;       // altitude in meters

-  SensorManager() { node_lat = 0; node_lon = 0; node_altitude = 0;}
+  SensorManager() { node_lat = 0; node_lon = 0; node_altitude = 0; }
  virtual bool begin() { return false; }
  virtual bool querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) { return false; }
  virtual void loop() { }
--- a/src/helpers/TBeamS3SupremeBoard.h
+++ b/src/helpers/TBeamS3SupremeBoard.h
@@ -61,10 +61,10 @@ public:

  void begin() {

-    power_init();
-
    ESP32Board::begin();

+    power_init();
+
    esp_reset_reason_t reason = esp_reset_reason();
    if (reason == ESP_RST_DEEPSLEEP) {
      long wakeup_source = esp_sleep_get_ext1_wakeup_status();
--- a/variants/lilygo_tbeam_supreme_SX1262/target.cpp
+++ b/variants/lilygo_tbeam_supreme_SX1262/target.cpp
@@ -143,9 +143,9 @@ bool TBeamS3SupremeBoard::power_init()
  PMU.setChargingLedMode(XPOWERS_CHG_LED_CTRL_CHG);

  // Set up PMU interrupts
-  // MESH_DEBUG_PRINTLN("Setting up PMU interrupts");
-  // pinMode(PIN_PMU_IRQ, INPUT_PULLUP);
-  // attachInterrupt(PIN_PMU_IRQ, setPMUIntFlag, FALLING);
+  MESH_DEBUG_PRINTLN("Setting up PMU interrupts");
+  pinMode(PIN_PMU_IRQ, INPUT_PULLUP);
+  attachInterrupt(PIN_PMU_IRQ, setPMUIntFlag, FALLING);

  // GPS
  MESH_DEBUG_PRINTLN("Setting and enabling a-ldo4 for GPS");
@@ -188,22 +188,22 @@ bool TBeamS3SupremeBoard::power_init()
  PMU.enableBLDO1();

  // Out to header pins
-  // MESH_DEBUG_PRINTLN("Setting and enabling b-ldo2 for output to header");
-  // PMU.setBLDO2Voltage(3300);
-  // PMU.enableBLDO2();
+  MESH_DEBUG_PRINTLN("Setting and enabling b-ldo2 for output to header");
+  PMU.setBLDO2Voltage(3300);
+  PMU.enableBLDO2();

-  // MESH_DEBUG_PRINTLN("Setting and enabling dcdc4 for output to header");
-  // PMU.setDC4Voltage(XPOWERS_AXP2101_DCDC4_VOL2_MAX); // 1.8V
-  // PMU.enableDC4();
+  MESH_DEBUG_PRINTLN("Setting and enabling dcdc4 for output to header");
+  PMU.setDC4Voltage(XPOWERS_AXP2101_DCDC4_VOL2_MAX); // 1.8V
+  PMU.enableDC4();

-  // MESH_DEBUG_PRINTLN("Setting and enabling dcdc5 for output to header");
-  // PMU.setDC5Voltage(3300);
-  // PMU.enableDC5();
+  MESH_DEBUG_PRINTLN("Setting and enabling dcdc5 for output to header");
+  PMU.setDC5Voltage(3300);
+  PMU.enableDC5();

  // Unused power rails
-  MESH_DEBUG_PRINTLN("Disabling unused supplies dcdc2, dldo1 and dldo2");
+  MESH_DEBUG_PRINTLN("Disabling unused supplies dcdc2, dcdc5, dldo1 and dldo2");
  PMU.disableDC2();
-  PMU.disableDC5();
+  //PMU.disableDC5();
  PMU.disableDLDO1();
  PMU.disableDLDO2();

@@ -223,18 +223,18 @@ bool TBeamS3SupremeBoard::power_init()
  PMU.enableVbusVoltageMeasure();

  // Reset and re-enable PMU interrupts
-  // MESH_DEBUG_PRINTLN("Re-enable interrupts");
-  // PMU.disableIRQ(XPOWERS_AXP2101_ALL_IRQ);
-  // PMU.clearIrqStatus();
-  // PMU.enableIRQ(
-  //     XPOWERS_AXP2101_BAT_INSERT_IRQ | XPOWERS_AXP2101_BAT_REMOVE_IRQ |    // Battery interrupts
-  //     XPOWERS_AXP2101_VBUS_INSERT_IRQ | XPOWERS_AXP2101_VBUS_REMOVE_IRQ |  // VBUS interrupts
-  //     XPOWERS_AXP2101_PKEY_SHORT_IRQ | XPOWERS_AXP2101_PKEY_LONG_IRQ |     // Power Key interrupts
-  //     XPOWERS_AXP2101_BAT_CHG_DONE_IRQ | XPOWERS_AXP2101_BAT_CHG_START_IRQ // Charging interrupts
-  // );
+  MESH_DEBUG_PRINTLN("Re-enable interrupts");
+  PMU.disableIRQ(XPOWERS_AXP2101_ALL_IRQ);
+  PMU.clearIrqStatus();
+  PMU.enableIRQ(
+      XPOWERS_AXP2101_BAT_INSERT_IRQ | XPOWERS_AXP2101_BAT_REMOVE_IRQ |    // Battery interrupts
+      XPOWERS_AXP2101_VBUS_INSERT_IRQ | XPOWERS_AXP2101_VBUS_REMOVE_IRQ |  // VBUS interrupts
+      XPOWERS_AXP2101_PKEY_SHORT_IRQ | XPOWERS_AXP2101_PKEY_LONG_IRQ |     // Power Key interrupts
+      XPOWERS_AXP2101_BAT_CHG_DONE_IRQ | XPOWERS_AXP2101_BAT_CHG_START_IRQ // Charging interrupts
+  );
 #ifdef MESH_DEBUG
-  // scanDevices(&Wire);
-  // scanDevices(&Wire1);
+  scanDevices(&Wire); 
+  scanDevices(&Wire1);
  printPMU();
 #endif

@@ -259,56 +259,6 @@ static bool readStringUntil(Stream& s, char dest[], size_t max_len, char term, u
  return millis() < timeout;   // false, if timed out
 }

-static bool l76kProbe()
-{
-    bool result = false;
-    uint32_t startTimeout ;
-    Serial1.write("$PCAS03,0,0,0,0,0,0,0,0,0,0,,,0,0*02\r\n");
-    delay(5);
-    // Get version information
-    startTimeout = millis() + 3000;
-    MESH_DEBUG_PRINTLN("Trying to init L76K GPS");
-    // Serial1.flush();
-    while (Serial1.available()) {
-        int c = Serial1.read();
-        // Serial.write(c);
-        // Serial.print(".");
-        // Serial.flush();
-        // Serial1.flush();
-        if (millis() > startTimeout) {
-            MESH_DEBUG_PRINTLN("L76K NMEA timeout!");
-            return false;
-        }
-    };
-
-    Serial1.flush();
-    delay(200);
-
-    Serial1.write("$PCAS06,0*1B\r\n");
-
-    char ver[100];
-    if (!readStringUntil(Serial1, ver, sizeof(ver), '\n', 500)) {
-      MESH_DEBUG_PRINTLN("Get L76K timeout!");
-      return false;
-    }
-
-    if (memcmp(ver, "$GPTXT,01,01,02", 15) == 0) {
-        MESH_DEBUG_PRINTLN("L76K GNSS init succeeded, using L76K GNSS Module\n");
-        result = true;
-    }
-    delay(500);
-
-    // Initialize the L76K Chip, use GPS + GLONASS
-    Serial1.write("$PCAS04,5*1C\r\n");
-    delay(250);
-    // only ask for RMC and GGA
-    Serial1.write("$PCAS03,1,0,0,0,1,0,0,0,0,0,,,0,0*02\r\n");
-    delay(250);
-    // Switch to Vehicle Mode, since SoftRF enables Aviation < 2g
-    Serial1.write("$PCAS11,3*1E\r\n");
-    return result;
-}
-
 bool radio_init() {
  fallback_clock.begin();

@@ -380,25 +330,16 @@ bool TbeamSupSensorManager::begin() {
  // init GPS port
  Serial1.begin(GPS_BAUD_RATE, SERIAL_8N1, P_GPS_RX, P_GPS_TX);

-  bool gps_alive = false;
-    for ( int i = 0; i < 3; ++i) {
-      gps_alive = l76kProbe();
-      if (gps_alive) {
-        MESH_DEBUG_PRINTLN("GPS is init and active. Shutting down for initial state.");
-        sleep_gps();
-        return gps_alive;
-      }
-    }
-    gps_active = gps_alive;
-    MESH_DEBUG_PRINTLN("GPS init failed and GPS is not active");
-  return gps_alive;
+  MESH_DEBUG_PRINTLN("Sleeping GPS for initial state");
+  sleep_gps();
+  return true;
 }

 bool TbeamSupSensorManager::querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) {
  if (requester_permissions & TELEM_PERM_LOCATION) {   // does requester have permission?
    telemetry.addGPS(TELEM_CHANNEL_SELF, node_lat, node_lon, node_altitude);
  }
-  if (requester_permissions & TELEM_PERM_ENVIRONMENT) {   // does requester have permission?
+  if (requester_permissions & TELEM_PERM_ENVIRONMENT && bme_active) {   // does requester have permission?
    telemetry.addTemperature(TELEM_CHANNEL_SELF, node_temp);
    telemetry.addRelativeHumidity(TELEM_CHANNEL_SELF, node_hum);
    telemetry.addBarometricPressure(TELEM_CHANNEL_SELF, node_pres);
@@ -413,20 +354,21 @@ void TbeamSupSensorManager::loop() {
  _nmea->loop();

  if (millis() > next_update) {
-    if (_nmea->isValid()) {
+    if (_nmea->isValid() && gps_active) {
      node_lat = ((double)_nmea->getLatitude())/1000000.;
      node_lon = ((double)_nmea->getLongitude())/1000000.;
      node_altitude = ((double)_nmea->getAltitude()) / 1000.0;
-      //Serial.printf("lat %f lon %f\r\n", _lat, _lon);
+      MESH_DEBUG_PRINT("lat %f lon %f alt %f\r\n", node_lat, node_lon, node_altitude);
    }

    //read BME280 values
-    //node_alt = bme.readAltitude(SEALEVELPRESSURE_HPA);
-    node_temp = bme.readTemperature();
-    node_hum = bme.readHumidity();
-    node_pres = (bme.readPressure() / 100.0F);
-
-    #ifdef MESH_DEBUG
+    if(bme_active){
+      //node_alt = bme.readAltitude(SEALEVELPRESSURE_HPA);
+      node_temp = bme.readTemperature();
+      node_hum = bme.readHumidity();
+      node_pres = (bme.readPressure() / 100.0F);
+    
+      #ifdef MESH_DEBUG
      // Serial.print("Temperature = ");
      // Serial.print(node_temp);
      // Serial.println(" *C");
@@ -442,7 +384,8 @@ void TbeamSupSensorManager::loop() {
      // Serial.print("Approx. Altitude = ");
      // Serial.print(node_alt);
      // Serial.println(" m");
-    #endif
+      #endif
+    }

    next_update = millis() + 1000;
  }
@@ -455,7 +398,6 @@ int TbeamSupSensorManager::getNumSettings() const {
 const char* TbeamSupSensorManager::getSettingName(int i) const {
  switch(i){
    case 0: return "gps";
-    case 1: return "bme280";
    default: NULL;
  }
 }
@@ -463,7 +405,6 @@ const char* TbeamSupSensorManager::getSettingName(int i) const {
 const char* TbeamSupSensorManager::getSettingValue(int i) const {
  switch(i){
    case 0: return gps_active == true ? "1" : "0";
-    case 1: return bme_active == true ? "1" : "0";
    default: NULL;
  }
 }
--- a/variants/lilygo_tbeam_supreme_SX1262/target.h
+++ b/variants/lilygo_tbeam_supreme_SX1262/target.h
@@ -16,7 +16,7 @@ class TbeamSupSensorManager: public SensorManager {
    LocationProvider * _nmea;
    Adafruit_BME280 bme;
    double node_temp, node_hum, node_pres;
-    int sensorNum = 2;
+    int sensorNum = 1;
    
    #define SEALEVELPRESSURE_HPA (1013.25)
    
@@ -65,8 +65,6 @@ enum {
  OSC32768_ONLINE      = _BV(13),
 };

-void scanDevices(TwoWire *w);
-static bool l76kProbe();
 bool radio_init();
 uint32_t radio_get_rng_seed();
 void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr);