Add MeshCore relay_radio firmware for Heltec T114

variants/thinknode_m1/target.cpp

@@ -0,0 +1,138 @@
+#include <Arduino.h>
+#include "target.h"
+#include <helpers/ArduinoHelpers.h>
+#include <helpers/sensors/MicroNMEALocationProvider.h>
+
+ThinkNodeM1Board board;
+
+RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, SPI);
+
+WRAPPER_CLASS radio_driver(radio, board);
+
+VolatileRTCClock fallback_clock;
+AutoDiscoverRTCClock rtc_clock(fallback_clock);
+MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1, &rtc_clock);
+ThinkNodeM1SensorManager sensors = ThinkNodeM1SensorManager(nmea);
+
+#ifdef DISPLAY_CLASS
+  DISPLAY_CLASS display;
+  MomentaryButton user_btn(PIN_USER_BTN, 1000, true);
+#endif
+
+bool radio_init() {
+  rtc_clock.begin(Wire);
+  return radio.std_init(&SPI);
+}
+
+mesh::LocalIdentity radio_new_identity() {
+  RadioNoiseListener rng(radio);
+  return mesh::LocalIdentity(&rng);  // create new random identity
+}
+
+void ThinkNodeM1SensorManager::start_gps() {
+  if (!gps_active) {
+    gps_active = true;
+    _location->begin();
+  }
+}
+
+void ThinkNodeM1SensorManager::stop_gps() {
+  if (gps_active) {
+    gps_active = false;
+    _location->stop();
+  }
+}
+
+bool ThinkNodeM1SensorManager::begin() {
+  Serial1.begin(9600);
+
+  // Initialize GPS switch pin
+  pinMode(PIN_GPS_SWITCH, INPUT);
+  last_gps_switch_state = digitalRead(PIN_GPS_SWITCH);
+
+  // Initialize GPS power pin
+  pinMode(GPS_EN, OUTPUT);
+
+  // Check initial switch state to determine if GPS should be active
+  if (last_gps_switch_state == HIGH) {  // Switch is HIGH when ON
+    start_gps();
+  }
+
+  return true;
+}
+
+bool ThinkNodeM1SensorManager::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);
+  }
+  return true;
+}
+
+void ThinkNodeM1SensorManager::loop() {
+  static long next_gps_update = 0;
+  static long last_switch_check = 0;
+
+  // Check GPS switch state every second
+  if (millis() - last_switch_check > 1000) {
+    bool current_switch_state = digitalRead(PIN_GPS_SWITCH);
+    
+    // Detect switch state change
+    if (current_switch_state != last_gps_switch_state) {
+      last_gps_switch_state = current_switch_state;
+      
+      if (current_switch_state == HIGH) {  // Switch is ON
+        MESH_DEBUG_PRINTLN("GPS switch ON");
+        start_gps();
+      } else {  // Switch is OFF
+        MESH_DEBUG_PRINTLN("GPS switch OFF");
+        stop_gps();
+      }
+    }
+    
+    last_switch_check = millis();
+  }
+
+  if (!gps_active) {
+    return;  // GPS is not active, skip further processing
+  }
+
+  _location->loop();
+
+  if (millis() > next_gps_update) {
+    if (_location->isValid()) {
+      node_lat = ((double)_location->getLatitude())/1000000.;
+      node_lon = ((double)_location->getLongitude())/1000000.;
+      node_altitude = ((double)_location->getAltitude()) / 1000.0;
+      MESH_DEBUG_PRINTLN("lat %f lon %f", node_lat, node_lon);
+    }
+    next_gps_update = millis() + 1000;
+  }
+}
+
+int ThinkNodeM1SensorManager::getNumSettings() const {
+  return 1;  // always show GPS setting
+}
+
+const char* ThinkNodeM1SensorManager::getSettingName(int i) const {
+  return (i == 0) ? "gps" : NULL;
+}
+
+const char* ThinkNodeM1SensorManager::getSettingValue(int i) const {
+  if (i == 0) {
+    return gps_active ? "1" : "0";
+  }
+  return NULL;
+}
+
+bool ThinkNodeM1SensorManager::setSettingValue(const char* name, const char* value) {
+  if (strcmp(name, "gps") == 0) {
+    if (strcmp(value, "0") == 0) {
+      stop_gps();
+    } else {
+      start_gps();
+    }
+    return true;
+  }
+  return false;  // not supported
+}
+