mirror of
https://github.com/meshcore-dev/MeshCore.git
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112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
#pragma once
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#include <helpers/ESP32Board.h>
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#include <Arduino.h>
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#include <driver/rtc_io.h>
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#include <driver/uart.h>
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class XiaoC3Board : public ESP32Board {
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public:
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void begin() {
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ESP32Board::begin();
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esp_reset_reason_t reason = esp_reset_reason();
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if (reason == ESP_RST_DEEPSLEEP) {
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long wakeup_source = esp_sleep_get_gpio_wakeup_status(); // esp_sleep_get_ext1_wakeup_status();
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if (wakeup_source & (1 << P_LORA_DIO_1)) { // received a LoRa packet (while in deep sleep)
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startup_reason = BD_STARTUP_RX_PACKET;
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}
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#if defined(LORA_TX_BOOST_PIN)
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gpio_hold_dis((gpio_num_t) LORA_TX_BOOST_PIN);
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gpio_deep_sleep_hold_dis();
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#endif
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}
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#ifdef PIN_VBAT_READ
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// battery read support
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pinMode(PIN_VBAT_READ, INPUT);
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#endif
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#ifdef LORA_TX_BOOST_PIN
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pinMode(LORA_TX_BOOST_PIN, OUTPUT);
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digitalWrite(LORA_TX_BOOST_PIN, HIGH);
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#endif
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#ifdef P_LORA_TX_LED
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pinMode(P_LORA_TX_LED, OUTPUT);
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digitalWrite(P_LORA_TX_LED, LOW);
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#endif
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}
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void enterDeepSleep(uint32_t secs, int8_t wake_pin = -1) {
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gpio_set_direction(gpio_num_t(P_LORA_DIO_1), GPIO_MODE_INPUT);
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if (wake_pin >= 0) {
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gpio_set_direction((gpio_num_t)wake_pin, GPIO_MODE_INPUT);
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}
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//hold disable, isolate and power domain config functions may be unnecessary
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//gpio_deep_sleep_hold_dis();
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//esp_sleep_config_gpio_isolate();
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gpio_deep_sleep_hold_en();
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#if defined(LORA_TX_BOOST_PIN)
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gpio_hold_en((gpio_num_t) LORA_TX_BOOST_PIN);
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gpio_deep_sleep_hold_en();
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#endif
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esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
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if (wake_pin >= 0) {
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esp_deep_sleep_enable_gpio_wakeup((1 << P_LORA_DIO_1) | (1 << wake_pin), ESP_GPIO_WAKEUP_GPIO_HIGH);
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} else {
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esp_deep_sleep_enable_gpio_wakeup(1 << P_LORA_DIO_1, ESP_GPIO_WAKEUP_GPIO_HIGH);
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}
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if (secs > 0) {
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esp_sleep_enable_timer_wakeup(secs * 1000000);
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}
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// Finally set ESP32 into sleep
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esp_deep_sleep_start(); // CPU halts here and never returns!
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}
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#if defined(LORA_TX_BOOST_PIN) || defined(P_LORA_TX_LED)
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void onBeforeTransmit() override {
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#if defined(P_LORA_TX_LED)
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digitalWrite(P_LORA_TX_LED, HIGH); // turn TX LED on
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#endif
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#if defined(LORA_TX_BOOST_PIN)
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digitalWrite(LORA_TX_BOOST_PIN, LOW);
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delay(5);
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#endif
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}
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void onAfterTransmit() override {
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#if defined(LORA_TX_BOOST_PIN)
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digitalWrite(LORA_TX_BOOST_PIN, HIGH);
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#endif
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#if defined(P_LORA_TX_LED)
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digitalWrite(P_LORA_TX_LED, LOW); // turn TX LED off
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#endif
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}
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#endif
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uint16_t getBattMilliVolts() override {
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#ifdef PIN_VBAT_READ
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analogReadResolution(10);
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uint32_t raw = 0;
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for (int i = 0; i < 8; i++) {
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raw += analogRead(PIN_VBAT_READ);
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}
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raw = raw / 8;
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return ((5.78 * raw) / 1024.0) * 1000;
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#else
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return 0; // not supported
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#endif
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}
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const char* getManufacturerName() const override {
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return "Xiao C3";
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}
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};
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