#pragma once #include #include #include // 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. };