#pragma once #include #include // from https://github.com/RAKWireless/RAK11300-AT-Command-Firmware/blob/9c48409a43620a828d653501d536473200aa33af/RAK11300-AT-Arduino/batt.cpp#L17-L19 #define VBAT_MV_PER_LSB (0.806F) // 3.0V ADC range and 12 - bit ADC resolution = 3300mV / 4096 #define VBAT_DIVIDER (0.6F) // 1.5M + 1M voltage divider on VBAT = (1.5M / (1M + 1.5M)) #define VBAT_DIVIDER_COMP (1.846F) // // Compensation factor for the VBAT divider #define PIN_VBAT_READ 26 #define BATTERY_SAMPLES 8 #define ADC_MULTIPLIER (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB) class RAK11310Board : public mesh::MainBoard { protected: uint8_t startup_reason; public: void begin(); uint8_t getStartupReason() const override { return startup_reason; } #ifdef P_LORA_TX_LED void onBeforeTransmit() override { digitalWrite(P_LORA_TX_LED, HIGH); } void onAfterTransmit() override { digitalWrite(P_LORA_TX_LED, LOW); } #endif uint16_t getBattMilliVolts() override { #if defined(PIN_VBAT_READ) && defined(ADC_MULTIPLIER) 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); #else return 0; #endif } const char *getManufacturerName() const override { return "RAK 11310"; } void reboot() override { rp2040.reboot(); } bool startOTAUpdate(const char *id, char reply[]) override; };