#pragma once #include #include #include // LoRa radio module pins for RAK13302 #define P_LORA_SCLK 3 #define P_LORA_MISO 29 #define P_LORA_MOSI 30 #define P_LORA_NSS 26 #define P_LORA_DIO_1 10 #define P_LORA_BUSY 9 #define P_LORA_RESET 4 #ifndef P_LORA_PA_EN #define P_LORA_PA_EN 31 #endif //#define PIN_GPS_SDA 13 //GPS SDA pin (output option) //#define PIN_GPS_SCL 14 //GPS SCL pin (output option) // #define PIN_GPS_TX 16 //GPS TX pin // #define PIN_GPS_RX 15 //GPS RX pin #define PIN_GPS_1PPS 17 //GPS PPS pin #define GPS_BAUD_RATE 9600 #define GPS_ADDRESS 0x42 //i2c address for GPS #define SX126X_DIO2_AS_RF_SWITCH #define SX126X_DIO3_TCXO_VOLTAGE 1.8 // 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, public NRF52BoardOTA { public: RAK3401Board() : NRF52BoardOTA("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"; } #ifdef P_LORA_PA_EN void onBeforeTransmit() override { digitalWrite(P_LORA_PA_EN, HIGH); // Enable PA before transmission } void onAfterTransmit() override { digitalWrite(P_LORA_PA_EN, LOW); // Disable PA after transmission to save power } #endif };