#include "HeltecV4R8Board.h" void HeltecV4R8Board::begin() { ESP32Board::begin(); periph_power.begin(); periph_power.claim(); // R8 VEXT also feeds the LoRa antenna boost rail. loRaFEMControl.init(); #ifdef PIN_TOUCH_RST pinMode(PIN_TOUCH_RST, OUTPUT); digitalWrite(PIN_TOUCH_RST, HIGH); delay(10); digitalWrite(PIN_TOUCH_RST, LOW); delay(100); digitalWrite(PIN_TOUCH_RST, HIGH); #endif 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_1)) { 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_1); } } void HeltecV4R8Board::onBeforeTransmit(void) { digitalWrite(P_LORA_TX_LED, HIGH); loRaFEMControl.setTxModeEnable(); } void HeltecV4R8Board::onAfterTransmit(void) { digitalWrite(P_LORA_TX_LED, LOW); loRaFEMControl.setRxModeEnable(); } void HeltecV4R8Board::powerOff() { loRaFEMControl.setSleepModeEnable(); digitalWrite(P_LORA_PA_POWER, LOW); rtc_gpio_hold_en((gpio_num_t)P_LORA_PA_POWER); periph_power.release(); // Drop the permanent antenna-boost/VEXT claim from begin(). ESP32Board::powerOff(); } uint16_t HeltecV4R8Board::getBattMilliVolts() { analogReadResolution(12); uint32_t raw = 0; for (int i = 0; i < 8; i++) { raw += analogReadMilliVolts(PIN_VBAT_READ); } raw = raw / 8; return (adc_mult * raw); } const char* HeltecV4R8Board::getManufacturerName() const { #ifdef HELTEC_V4_R8_TFT return "Heltec V4 R8 TFT"; #else return "Heltec V4 R8 OLED"; #endif }