#pragma once #include #include // built-ins #define PIN_VBAT_READ 37 #define PIN_LED_BUILTIN 25 class HeltecV2Board : public ESP32Board { public: void begin() { ESP32Board::begin(); esp_reset_reason_t reason = esp_reset_reason(); if (reason == ESP_RST_DEEPSLEEP) { long wakeup_source = esp_sleep_get_ext1_wakeup_status(); if (wakeup_source & (1 << P_LORA_DIO_0)) { // received a LoRa packet (while in deep sleep) startup_reason = BD_STARTUP_RX_PACKET; } rtc_gpio_hold_dis((gpio_num_t)P_LORA_NSS); rtc_gpio_deinit((gpio_num_t)P_LORA_DIO_0); } } uint16_t getBattMilliVolts() override { analogReadResolution(10); uint32_t raw = 0; for (int i = 0; i < 8; i++) { raw += analogRead(PIN_VBAT_READ); } raw = raw / 8; return (1.98 * (2 / 1024.0) * raw) * 1000; } const char* getManufacturerName() const override { return "Heltec V2"; } uint32_t getIRQGpio() override { return P_LORA_DIO_0; // default for SX1276 } };