Initial commit: Simple Sensor firmware for Heltec T114 with BME280

- MeshCore-based Simple Sensor firmware
- Heltec T114 without display
- BME280 sensor support (temp/humidity/pressure)
- Radio: 868.856018 MHz, SF7, BW62.5 kHz, CR4/7
- 2-byte path hash
- PlatformIO project

variants/rak3401/RAK3401Board.cpp

@@ -0,0 +1,66 @@
+#include <Arduino.h>
+#include <Wire.h>
+
+#include "RAK3401Board.h"
+
+#ifdef NRF52_POWER_MANAGEMENT
+// Static configuration for power management
+// Values set in variant.h defines
+const PowerMgtConfig power_config = {
+  .lpcomp_ain_channel = PWRMGT_LPCOMP_AIN,
+  .lpcomp_refsel = PWRMGT_LPCOMP_REFSEL,
+  .voltage_bootlock = PWRMGT_VOLTAGE_BOOTLOCK
+};
+
+void RAK3401Board::initiateShutdown(uint8_t reason) {
+  // Disable SKY66122 FEM (CSD+CPS LOW = shutdown, <1 uA)
+  digitalWrite(SX126X_POWER_EN, LOW);
+
+  // Disable 3V3 switched peripherals and 5V boost
+  digitalWrite(PIN_3V3_EN, LOW);
+
+  if (reason == SHUTDOWN_REASON_LOW_VOLTAGE ||
+      reason == SHUTDOWN_REASON_BOOT_PROTECT) {
+    configureVoltageWake(power_config.lpcomp_ain_channel, power_config.lpcomp_refsel);
+  }
+
+  enterSystemOff(reason);
+}
+#endif
+
+void RAK3401Board::begin() {
+  NRF52BoardDCDC::begin();
+  pinMode(PIN_VBAT_READ, INPUT);
+#ifdef PIN_USER_BTN
+  pinMode(PIN_USER_BTN, INPUT_PULLUP);
+#endif
+
+#ifdef PIN_USER_BTN_ANA
+  pinMode(PIN_USER_BTN_ANA, INPUT_PULLUP);
+#endif
+
+#if defined(PIN_BOARD_SDA) && defined(PIN_BOARD_SCL)
+  Wire.setPins(PIN_BOARD_SDA, PIN_BOARD_SCL);
+#endif
+
+  Wire.begin();
+
+  // PIN_3V3_EN (WB_IO2, P0.34) controls the 3V3_S switched peripheral rail
+  // AND the 5V boost regulator (U5) on the RAK13302 that powers the SKY66122 PA.
+  // Must stay HIGH during radio operation — do not toggle for power saving.
+  pinMode(PIN_3V3_EN, OUTPUT);
+  digitalWrite(PIN_3V3_EN, HIGH);
+
+  // Enable SKY66122-11 FEM on the RAK13302 module.
+  // CSD and CPS are tied together on the RAK13302 PCB, routed to IO3 (P0.21).
+  // HIGH = FEM active (LNA for RX, PA path available for TX).
+  // TX/RX switching (CTX) is handled by SX1262 DIO2 via SetDIO2AsRfSwitchCtrl.
+  pinMode(SX126X_POWER_EN, OUTPUT);
+#ifdef NRF52_POWER_MANAGEMENT
+  // Boot voltage protection check (may not return if voltage too low)
+  // We need to call this after we configure SX126X_POWER_EN as output but before we pull high
+  checkBootVoltage(&power_config);
+#endif
+  digitalWrite(SX126X_POWER_EN, HIGH);
+  delay(1);  // SKY66122 turn-on settling time (tON = 3us typ)
+}

variants/rak3401/RAK3401Board.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <MeshCore.h>
+#include <Arduino.h>
+#include <helpers/NRF52Board.h>
+
+// built-ins
+#define  PIN_VBAT_READ    5
+#define  ADC_MULTIPLIER   (3 * 1.73 * 1.187 * 1000)
+
+#define PIN_3V3_EN (34)
+#define WB_IO2 PIN_3V3_EN
+
+class RAK3401Board : public NRF52BoardDCDC {
+protected:
+#ifdef NRF52_POWER_MANAGEMENT
+  void initiateShutdown(uint8_t reason) override;
+#endif
+public:
+  RAK3401Board() : NRF52Board("RAK3401_OTA") {}
+  void begin();
+
+  #define BATTERY_SAMPLES 8
+
+  uint16_t getBattMilliVolts() override {
+    analogReadResolution(12);
+
+    uint32_t raw = 0;
+    for (int i = 0; i < BATTERY_SAMPLES; i++) {
+      raw += analogRead(PIN_VBAT_READ);
+    }
+    raw = raw / BATTERY_SAMPLES;
+
+    return (ADC_MULTIPLIER * raw) / 4096;
+  }
+
+  const char* getManufacturerName() const override {
+    return "RAK 3401";
+  }
+
+  // TX/RX switching is handled by SX1262 DIO2 -> SKY66122 CTX (hardware-timed).
+  // No onBeforeTransmit/onAfterTransmit overrides needed.
+};

variants/rak3401/platformio.ini

@@ -0,0 +1,128 @@
+[rak3401]
+extends = nrf52_base
+board = rak3401
+board_check = true
+build_flags = ${nrf52_base.build_flags}
+  ${sensor_base.build_flags}
+  -I variants/rak3401
+  -D RAK_3401
+  -D NRF52_POWER_MANAGEMENT
+  -D RADIO_CLASS=CustomSX1262
+  -D WRAPPER_CLASS=CustomSX1262Wrapper
+  -D LORA_TX_POWER=22
+  -D SX126X_CURRENT_LIMIT=140
+  -D SX126X_RX_BOOSTED_GAIN=1
+  -D SX126X_REGISTER_PATCH=1       ; Patch register 0x8B5 for improved RX with SKY66122 FEM
+build_src_filter = ${nrf52_base.build_src_filter}
+  +<../variants/rak3401>
+  +<helpers/sensors>
+  +<helpers/ui/SSD1306Display.cpp>
+  +<helpers/ui/MomentaryButton.cpp>
+lib_deps =
+  ${nrf52_base.lib_deps}
+  ${sensor_base.lib_deps}
+  adafruit/Adafruit SSD1306 @ ^2.5.13
+  sparkfun/SparkFun u-blox GNSS Arduino Library@^2.2.27
+
+[env:RAK_3401_repeater]
+extends = rak3401
+build_flags =
+  ${rak3401.build_flags}
+  -D DISPLAY_CLASS=SSD1306Display
+  -D ADVERT_NAME='"RAK3401 1W Repeater"'
+  -D ADVERT_LAT=0.0
+  -D ADVERT_LON=0.0
+  -D ADMIN_PASSWORD='"password"'
+  -D MAX_NEIGHBOURS=50
+  ;-D MESH_PACKET_LOGGING=1
+  ;-D MESH_DEBUG=1
+build_src_filter = ${rak3401.build_src_filter}
+  +<helpers/ui/SSD1306Display.cpp>
+  +<../examples/simple_repeater>
+
+[env:RAK_3401_room_server]
+extends = rak3401
+build_flags =
+  ${rak3401.build_flags}
+  -D DISPLAY_CLASS=SSD1306Display
+  -D ADVERT_NAME='"Test Room"'
+  -D ADVERT_LAT=0.0
+  -D ADVERT_LON=0.0
+  -D ADMIN_PASSWORD='"password"'
+  -D ROOM_PASSWORD='"hello"'
+  ;-D MESH_PACKET_LOGGING=1
+  ;-D MESH_DEBUG=1
+build_src_filter = ${rak3401.build_src_filter}
+  +<helpers/ui/SSD1306Display.cpp>
+  +<../examples/simple_room_server>
+
+[env:RAK_3401_companion_radio_usb]
+extends = rak3401
+board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
+board_upload.maximum_size = 712704
+build_flags =
+  ${rak3401.build_flags}
+  -I examples/companion_radio/ui-new
+  -D DISPLAY_CLASS=SSD1306Display
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+; NOTE: DO NOT ENABLE -->  -D MESH_PACKET_LOGGING=1
+; NOTE: DO NOT ENABLE -->  -D MESH_DEBUG=1
+build_src_filter = ${rak3401.build_src_filter}
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-new/*.cpp>
+lib_deps =
+  ${rak3401.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
+[env:RAK_3401_companion_radio_ble]
+extends = rak3401
+board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
+board_upload.maximum_size = 712704
+build_flags =
+  ${rak3401.build_flags}
+  -I examples/companion_radio/ui-new
+  -D DISPLAY_CLASS=SSD1306Display
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+  -D BLE_PIN_CODE=123456
+  -D BLE_DEBUG_LOGGING=1
+  -D OFFLINE_QUEUE_SIZE=256
+  ;-D MESH_PACKET_LOGGING=1
+  ;-D MESH_DEBUG=1
+build_src_filter = ${rak3401.build_src_filter}
+  +<helpers/nrf52/SerialBLEInterface.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-new/*.cpp>
+lib_deps =
+  ${rak3401.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
+[env:RAK_3401_terminal_chat]
+extends = rak3401
+build_flags =
+  ${rak3401.build_flags}
+  -D MAX_CONTACTS=100
+  -D MAX_GROUP_CHANNELS=1
+  ;-D MESH_PACKET_LOGGING=1
+  ;-D MESH_DEBUG=1
+build_src_filter = ${rak3401.build_src_filter}
+  +<../examples/simple_secure_chat/main.cpp>
+lib_deps =
+  ${rak3401.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
+[env:RAK_3401_sensor]
+extends = rak3401
+build_flags =
+  ${rak3401.build_flags}
+  -D DISPLAY_CLASS=SSD1306Display
+  -D ADVERT_NAME='"RAK3401 Sensor"'
+  -D ADVERT_LAT=0.0
+  -D ADVERT_LON=0.0
+  -D ADMIN_PASSWORD='"password"'
+  ;-D MESH_PACKET_LOGGING=1
+  ;-D MESH_DEBUG=1
+build_src_filter = ${rak3401.build_src_filter}
+  +<helpers/ui/SSD1306Display.cpp>
+  +<../examples/simple_sensor>

variants/rak3401/target.cpp

@@ -0,0 +1,59 @@
+#include <Arduino.h>
+#include "target.h"
+#include <helpers/ArduinoHelpers.h>
+
+RAK3401Board board;
+
+#ifndef PIN_USER_BTN
+  #define PIN_USER_BTN (-1)
+#endif
+
+#ifdef DISPLAY_CLASS
+  DISPLAY_CLASS display;
+  MomentaryButton user_btn(PIN_USER_BTN, 1000, true, true);
+
+  #if defined(PIN_USER_BTN_ANA)
+  MomentaryButton analog_btn(PIN_USER_BTN_ANA, 1000, 20);
+  #endif
+#endif
+
+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);
+
+#if ENV_INCLUDE_GPS
+  #include <helpers/sensors/MicroNMEALocationProvider.h>
+  MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1, &rtc_clock);
+  EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea);
+#else
+  EnvironmentSensorManager sensors;
+#endif
+
+bool radio_init() {
+  rtc_clock.begin(Wire);
+  return radio.std_init(&SPI);
+}
+
+uint32_t radio_get_rng_seed() {
+  return radio.random(0x7FFFFFFF);
+}
+
+void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr) {
+  radio.setFrequency(freq);
+  radio.setSpreadingFactor(sf);
+  radio.setBandwidth(bw);
+  radio.setCodingRate(cr);
+}
+
+void radio_set_tx_power(int8_t dbm) {
+  radio.setOutputPower(dbm);
+}
+
+mesh::LocalIdentity radio_new_identity() {
+  RadioNoiseListener rng(radio);
+  return mesh::LocalIdentity(&rng);  // create new random identity
+}
+

variants/rak3401/target.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#define RADIOLIB_STATIC_ONLY 1
+#include <RadioLib.h>
+#include <helpers/radiolib/RadioLibWrappers.h>
+#include <RAK3401Board.h>
+#include <helpers/radiolib/CustomSX1262Wrapper.h>
+#include <helpers/AutoDiscoverRTCClock.h>
+#include <helpers/sensors/EnvironmentSensorManager.h>
+
+#ifdef DISPLAY_CLASS
+  #include <helpers/ui/SSD1306Display.h>
+  extern DISPLAY_CLASS display;
+  #include <helpers/ui/MomentaryButton.h>
+  extern MomentaryButton user_btn;
+  #if defined(PIN_USER_BTN_ANA)
+  extern MomentaryButton analog_btn;
+  #endif
+#endif
+
+extern RAK3401Board board;
+extern WRAPPER_CLASS radio_driver;
+extern AutoDiscoverRTCClock rtc_clock;
+extern EnvironmentSensorManager sensors;
+
+bool radio_init();
+uint32_t radio_get_rng_seed();
+void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr);
+void radio_set_tx_power(int8_t dbm);
+mesh::LocalIdentity radio_new_identity();
+

variants/rak3401/variant.cpp

@@ -0,0 +1,52 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  Copyright (c) 2018, Adafruit Industries (adafruit.com)
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "variant.h"
+#include "wiring_constants.h"
+#include "wiring_digital.h"
+#include "nrf.h"
+
+const uint32_t g_ADigitalPinMap[] =
+{
+  // P0
+  0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 ,
+  8 , 9 , 10, 11, 12, 13, 14, 15,
+  16, 17, 18, 19, 20, 21, 22, 23,
+  24, 25, 26, 27, 28, 29, 30, 31,
+
+  // P1
+  32, 33, 34, 35, 36, 37, 38, 39,
+  40, 41, 42, 43, 44, 45, 46, 47
+};
+
+
+void initVariant()
+{
+  // LED1 & LED2
+  pinMode(PIN_LED1, OUTPUT);
+  ledOff(PIN_LED1);
+
+  pinMode(PIN_LED2, OUTPUT);
+  ledOff(PIN_LED2);
+
+  // 3V3 Power Rail
+  pinMode(PIN_3V3_EN, OUTPUT);
+  digitalWrite(PIN_3V3_EN, HIGH);
+}

variants/rak3401/variant.h

@@ -0,0 +1,221 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  Copyright (c) 2018, Adafruit Industries (adafruit.com)
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _VARIANT_RAK3401_
+#define _VARIANT_RAK3401_
+
+#define RAK4630
+
+/** Master clock frequency */
+#define VARIANT_MCK (64000000ul)
+
+#define USE_LFXO // Board uses 32khz crystal for LF
+// define USE_LFRC    // Board uses RC for LF
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+
+#include "WVariant.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif // __cplusplus
+
+// Number of pins defined in PinDescription array
+#define PINS_COUNT (48)
+#define NUM_DIGITAL_PINS (48)
+#define NUM_ANALOG_INPUTS (6)
+#define NUM_ANALOG_OUTPUTS (0)
+
+// LEDs
+#define PIN_LED1 (35)
+#define PIN_LED2 (36)
+
+#define LED_BUILTIN PIN_LED1
+#define LED_CONN PIN_LED2
+
+#define LED_GREEN PIN_LED1
+#define LED_BLUE PIN_LED2
+
+#define LED_STATE_ON 1 // State when LED is litted
+
+/*
+ * Analog pins
+ */
+#define PIN_A0 (5)	//(3)
+#define PIN_A1 (31) //(4)
+#define PIN_A2 (28)
+#define PIN_A3 (29)
+#define PIN_A4 (30)
+#define PIN_A5 (31)
+#define PIN_A6 (0xff)
+#define PIN_A7 (0xff)
+
+	static const uint8_t A0 = PIN_A0;
+	static const uint8_t A1 = PIN_A1;
+	static const uint8_t A2 = PIN_A2;
+	static const uint8_t A3 = PIN_A3;
+	static const uint8_t A4 = PIN_A4;
+	static const uint8_t A5 = PIN_A5;
+	static const uint8_t A6 = PIN_A6;
+	static const uint8_t A7 = PIN_A7;
+#define ADC_RESOLUTION 14
+
+// Power management boot protection threshold (millivolts)
+// Set to 0 to disable boot protection
+#define PWRMGT_VOLTAGE_BOOTLOCK 3300   // Won't boot below this voltage (mV)
+// LPCOMP wake configuration (voltage recovery from SYSTEMOFF)
+// AIN3 = P0.05 = PIN_A0 / PIN_VBAT_READ
+#define PWRMGT_LPCOMP_AIN 3
+#define PWRMGT_LPCOMP_REFSEL 4  // 5/8 VDD (~3.13-3.44V)
+
+// Other pins
+#define WB_I2C1_SDA (13) // SENSOR_SLOT IO_SLOT
+#define WB_I2C1_SCL (14) // SENSOR_SLOT IO_SLOT
+
+#define PIN_AREF (2)
+#define PIN_NFC1 (9)
+#define WB_IO5 PIN_NFC1
+#define WB_IO4 (4)
+#define PIN_NFC2 (10)
+
+static const uint8_t AREF = PIN_AREF;
+
+/*
+ * Serial interfaces
+ */
+// TXD1 RXD1 on Base Board
+#define PIN_SERIAL1_RX (15)
+#define PIN_SERIAL1_TX (16)
+
+// Connected to Jlink CDC
+#define PIN_SERIAL2_RX (8)
+#define PIN_SERIAL2_TX (6)
+
+/*
+ * SPI Interfaces
+ */
+#define SPI_INTERFACES_COUNT 2
+
+#define PIN_SPI_MISO (45)
+#define PIN_SPI_MOSI (44)
+#define PIN_SPI_SCK (43)
+
+#define PIN_SPI1_MISO (29)
+#define PIN_SPI1_MOSI (30)
+#define PIN_SPI1_SCK (3)
+
+	static const uint8_t SS = 42;
+	static const uint8_t MOSI = PIN_SPI_MOSI;
+	static const uint8_t MISO = PIN_SPI_MISO;
+	static const uint8_t SCK = PIN_SPI_SCK;
+
+/*
+ * Wire Interfaces
+ */
+#define WIRE_INTERFACES_COUNT 1
+
+#define PIN_WIRE_SDA (WB_I2C1_SDA)
+#define PIN_WIRE_SCL (WB_I2C1_SCL)
+
+// QSPI Pins
+// QSPI occupied by GPIO's
+#define PIN_QSPI_SCK 3
+#define PIN_QSPI_CS 26
+#define PIN_QSPI_IO0 30
+#define PIN_QSPI_IO1 29
+#define PIN_QSPI_IO2 28
+#define PIN_QSPI_IO3 2
+
+// On-board QSPI Flash
+// No onboard flash
+#define EXTERNAL_FLASH_DEVICES IS25LP080D
+#define EXTERNAL_FLASH_USE_QSPI
+
+#define USE_SX1262
+#define SX126X_CS (26)
+#define SX126X_DIO1 (10)
+#define SX126X_BUSY (9)
+#define SX126X_RESET (4)
+
+// SKY66122-11 FEM control on the RAK13302 module:
+//   CSD + CPS are tied together on the PCB, routed to WisBlock IO3 (P0.21).
+//   Setting IO3 HIGH enables the FEM (LNA for RX, PA path for TX).
+//   CTX is connected to SX1262 DIO2 — the radio handles TX/RX switching
+//   in hardware via SetDIO2AsRfSwitchCtrl (microsecond-accurate, no GPIO needed).
+//   The 5V boost for the PA is enabled by WB_IO2 (P0.34 = PIN_3V3_EN).
+#define SX126X_POWER_EN (21)        // P0.21 = IO3 -> SKY66122 CSD+CPS (FEM enable)
+
+// CTX is driven by SX1262 DIO2, not a GPIO
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+
+#define P_LORA_SCLK PIN_SPI1_SCK
+#define P_LORA_MISO PIN_SPI1_MISO
+#define P_LORA_MOSI PIN_SPI1_MOSI
+#define P_LORA_NSS SX126X_CS
+#define P_LORA_DIO_1 SX126X_DIO1
+#define P_LORA_BUSY SX126X_BUSY
+#define P_LORA_RESET SX126X_RESET
+
+// enables 3.3V periphery like GPS or IO Module
+// Do not toggle this for GPS power savings
+#define PIN_3V3_EN (34)
+#define WB_IO2 PIN_3V3_EN
+
+// RAK1910 GPS module
+// If using the wisblock GPS module and pluged into Port A on WisBlock base
+// IO1 is hooked to PPS (pin 12 on header) = gpio 17
+// IO2 is hooked to GPS RESET = gpio 34, but it can not be used to this because IO2 is ALSO used to control 3V3_S power (1 is on).
+// Therefore must be 1 to keep peripherals powered
+// Power is on the controllable 3V3_S rail
+#define PIN_GPS_PPS (17) // Pulse per second input from the GPS
+
+#define PIN_GPS_RX PIN_SERIAL1_RX
+#define PIN_GPS_TX PIN_SERIAL1_TX
+
+#define PIN_GPS_1PPS PIN_GPS_PPS
+#define GPS_BAUD_RATE 9600
+#define GPS_ADDRESS 0x42  //i2c address for GPS
+
+// Battery
+// The battery sense is hooked to pin A0 (5)
+#define BATTERY_PIN PIN_A0
+// and has 12 bit resolution
+#define BATTERY_SENSE_RESOLUTION_BITS 12
+#define BATTERY_SENSE_RESOLUTION 4096.0
+#undef AREF_VOLTAGE
+#define AREF_VOLTAGE 3.0
+#define VBAT_AR_INTERNAL AR_INTERNAL_3_0
+#define ADC_MULTIPLIER 1.73
+
+#define HAS_RTC 1
+
+#define RAK_4631 1
+
+#ifdef __cplusplus
+}
+#endif
+
+/*----------------------------------------------------------------------------
+ *        Arduino objects - C++ only
+ *----------------------------------------------------------------------------*/
+
+#endif