Add MeshCore relay_radio firmware for Heltec T114

variants/wio-e5-mini/NullDisplayDriver.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <helpers/ui/DisplayDriver.h>
+
+class NullDisplayDriver : public DisplayDriver {
+public:
+  NullDisplayDriver() : DisplayDriver(128, 64) { }
+  bool begin() { return false; }   // not present
+
+  bool isOn() override { return false; }
+  void turnOn() override { }
+  void turnOff() override { }
+  void clear() override { }
+  void startFrame(Color bkg = DARK) override { }
+  void setTextSize(int sz) override { }
+  void setColor(Color c) override { }
+  void setCursor(int x, int y) override { }
+  void print(const char* str) override { }
+  void fillRect(int x, int y, int w, int h) override { }
+  void drawRect(int x, int y, int w, int h) override { }
+  void drawXbm(int x, int y, const uint8_t* bits, int w, int h) override { }
+  uint16_t getTextWidth(const char* str) override { return 0; }
+  void endFrame() { }
+};

variants/wio-e5-mini/platformio.ini

@@ -0,0 +1,56 @@
+[lora_e5_mini]
+extends = stm32_base
+board = lora_e5_mini
+board_upload.maximum_size = 229376 ; 32kb for FS
+build_flags = ${stm32_base.build_flags}
+  -D RADIO_CLASS=CustomSTM32WLx
+  -D WRAPPER_CLASS=CustomSTM32WLxWrapper
+  -D SPI_INTERFACES_COUNT=0
+  -D RX_BOOSTED_GAIN=true
+  -D LORA_TX_POWER=22
+  -D SX126X_CURRENT_LIMIT=140
+  -D P_LORA_TX_LED=LED_RED
+  -D PIN_USER_BTN=USER_BTN
+  -I variants/wio-e5-mini
+build_src_filter = ${stm32_base.build_src_filter}
+  +<../variants/wio-e5-mini>
+lib_deps = ${stm32_base.lib_deps}
+  finitespace/BME280 @ ^3.0.0
+
+[env:wio-e5-mini_repeater]
+extends = lora_e5_mini
+build_flags = ${lora_e5_mini.build_flags}
+  -D LORA_TX_POWER=22
+  -D ADVERT_NAME='"wio-e5-mini Repeater"'
+  -D ADMIN_PASSWORD='"password"'
+  -D MAX_NEIGHBOURS=50
+build_src_filter = ${lora_e5_mini.build_src_filter}
+  +<../examples/simple_repeater/*.cpp>
+
+[env:wio-e5-mini_sensor]
+extends = lora_e5_mini
+build_flags = ${lora_e5_mini.build_flags}
+  -D LORA_TX_POWER=22
+  -D ADVERT_NAME='"wio-e5-mini Sensor"'
+  -D ADMIN_PASSWORD='"password"'
+build_src_filter = ${lora_e5_mini.build_src_filter}
+  +<../examples/simple_sensor>
+
+[env:wio-e5-mini_companion_radio_usb]
+extends = lora_e5_mini
+build_flags = ${lora_e5_mini.build_flags}
+  -I examples/companion_radio/ui-orig
+  -D LORA_TX_POWER=22
+  -D MAX_CONTACTS=100
+  -D MAX_GROUP_CHANNELS=8
+  -D DISPLAY_CLASS=NullDisplayDriver
+build_src_filter = ${lora_e5_mini.build_src_filter}
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-orig/*.cpp>
+lib_deps = ${lora_e5_mini.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
+[env:wio-e5-mini_kiss_modem]
+extends = lora_e5_mini
+build_src_filter = ${lora_e5_mini.build_src_filter}
+  +<../examples/kiss_modem/>

variants/wio-e5-mini/target.cpp

@@ -0,0 +1,79 @@
+#include <Arduino.h>
+#include "target.h"
+#include <helpers/ArduinoHelpers.h>
+
+WIOE5Board board;
+
+RADIO_CLASS radio = new STM32WLx_Module();
+
+WRAPPER_CLASS radio_driver(radio, board);
+
+static const uint32_t rfswitch_pins[] = {PA4,  PA5,  RADIOLIB_NC, RADIOLIB_NC, RADIOLIB_NC};
+static const Module::RfSwitchMode_t rfswitch_table[] = {
+  {STM32WLx::MODE_IDLE,  {LOW,  LOW}},
+  {STM32WLx::MODE_RX,    {HIGH, LOW}},
+  {STM32WLx::MODE_TX_HP, {LOW, HIGH}},  // for LoRa-E5 mini
+//  {STM32WLx::MODE_TX_LP, {HIGH, HIGH}},   // for LoRa-E5-LE mini
+  END_OF_MODE_TABLE,
+};
+
+VolatileRTCClock rtc_clock;
+WIOE5SensorManager sensors;
+
+#ifdef DISPLAY_CLASS
+  NullDisplayDriver display;
+#endif
+
+#ifndef LORA_CR
+  #define LORA_CR      5
+#endif
+
+bool radio_init() {
+  Wire.begin();
+
+  radio.setRfSwitchTable(rfswitch_pins, rfswitch_table);
+
+  int status = radio.begin(LORA_FREQ, LORA_BW, LORA_SF, LORA_CR, RADIOLIB_SX126X_SYNC_WORD_PRIVATE, LORA_TX_POWER, 16, 1.7, 0);
+
+  if (status != RADIOLIB_ERR_NONE) {
+    Serial.print("ERROR: radio init failed: ");
+    Serial.println(status);
+    return false;  // fail
+  }
+    
+  #ifdef RX_BOOSTED_GAIN
+    radio.setRxBoostedGainMode(RX_BOOSTED_GAIN);
+  #endif
+ 
+  radio.setCRC(1);
+  
+  return true;  // success
+}
+
+mesh::LocalIdentity radio_new_identity() {
+  RadioNoiseListener rng(radio);
+  return mesh::LocalIdentity(&rng);  // create new random identity
+}
+
+bool WIOE5SensorManager::querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) { 
+  if (!has_bme) return false;
+
+  float temp(NAN), hum(NAN), pres(NAN);
+
+  BME280::TempUnit tempUnit(BME280::TempUnit_Celsius);
+  BME280::PresUnit presUnit(BME280::PresUnit_hPa);
+
+  bme.read(pres, temp, hum, tempUnit, presUnit);
+
+  telemetry.addTemperature(TELEM_CHANNEL_SELF, temp);
+  telemetry.addRelativeHumidity(TELEM_CHANNEL_SELF, hum);
+  telemetry.addBarometricPressure(TELEM_CHANNEL_SELF, pres);
+
+  return true; 
+}
+
+bool WIOE5SensorManager::begin() {
+  has_bme = bme.begin();
+
+  return has_bme;
+}

variants/wio-e5-mini/target.h

@@ -0,0 +1,61 @@
+#pragma once
+
+#define RADIOLIB_STATIC_ONLY 1
+#include <RadioLib.h>
+#include <helpers/radiolib/RadioLibWrappers.h>
+#include <helpers/stm32/STM32Board.h>
+#include <helpers/radiolib/CustomSTM32WLxWrapper.h>
+#include <helpers/ArduinoHelpers.h>
+#include <helpers/SensorManager.h>
+#ifdef DISPLAY_CLASS
+  #include "NullDisplayDriver.h"
+#endif
+
+#include <BME280I2C.h>
+#include <Wire.h>
+
+#ifdef DISPLAY_CLASS
+  extern NullDisplayDriver display;
+#endif
+
+class WIOE5Board : public STM32Board {
+public:
+    void begin() override {
+        STM32Board::begin();
+
+        pinMode(LED_RED, OUTPUT);
+        digitalWrite(LED_RED, HIGH);
+        pinMode(USER_BTN, INPUT_PULLUP);
+    }
+
+    const char* getManufacturerName() const override {
+        return "Seeed Wio E5 mini";
+    }
+
+    uint16_t getBattMilliVolts() override {
+        analogReadResolution(12);
+        uint32_t raw = 0;
+        for (int i=0; i<8;i++) {
+            raw += analogRead(PIN_A3);
+        }
+        return ((double)raw) * 1.73 * 5 * 1000 / 8 / 4096;
+    }
+};
+
+class WIOE5SensorManager : public SensorManager {
+    BME280I2C bme;
+    bool has_bme = false;
+
+public:
+    WIOE5SensorManager() {}
+    bool begin() override;
+    bool querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) override;
+};
+
+extern WIOE5Board board;
+extern WRAPPER_CLASS radio_driver;
+extern VolatileRTCClock rtc_clock;
+extern WIOE5SensorManager sensors;
+
+bool radio_init();
+mesh::LocalIdentity radio_new_identity();

variants/wio-e5-mini/variant.h

@@ -0,0 +1,10 @@
+#pragma once
+
+// UART Definitions
+// #ifndef SERIAL_UART_INSTANCE
+//   #define SERIAL_UART_INSTANCE  101
+// #endif
+
+#include <variant_LORA_E5_MINI.h>
+
+#undef RNG