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- MeshCore-based Simple Sensor firmware - Heltec T114 without display - BME280 sensor support (temp/humidity/pressure) - Radio: 868.856018 MHz, SF7, BW62.5 kHz, CR4/7 - 2-byte path hash - PlatformIO project
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
#pragma once
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#include <Wire.h>
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#include <Arduino.h>
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#include "helpers/ESP32Board.h"
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#include <driver/rtc_io.h>
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#define PIN_VBAT_READ 4
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#define BATTERY_SAMPLES 8
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#define ADC_MULTIPLIER (2.0f * 3.3f * 1000)
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class TDeckBoard : public ESP32Board {
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public:
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void begin();
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#ifdef P_LORA_TX_LED
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void onBeforeTransmit() override{
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digitalWrite(P_LORA_TX_LED, LOW); // turn TX LED on - invert pin for SX1276
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}
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void onAfterTransmit() override{
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digitalWrite(P_LORA_TX_LED, HIGH); // turn TX LED off - invert pin for SX1276
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}
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#endif
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void enterDeepSleep(uint32_t secs, int pin_wake_btn) {
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esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
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// Make sure the DIO1 and NSS GPIOs are hold on required levels during deep sleep
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rtc_gpio_set_direction((gpio_num_t)P_LORA_DIO_1, RTC_GPIO_MODE_INPUT_ONLY);
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rtc_gpio_pulldown_en((gpio_num_t)P_LORA_DIO_1);
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rtc_gpio_hold_en((gpio_num_t)P_LORA_NSS);
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if (pin_wake_btn < 0) {
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esp_sleep_enable_ext1_wakeup( (1L << P_LORA_DIO_1), ESP_EXT1_WAKEUP_ANY_HIGH); // wake up on: recv LoRa packet
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} else {
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esp_sleep_enable_ext1_wakeup( (1L << P_LORA_DIO_1) | (1L << pin_wake_btn), ESP_EXT1_WAKEUP_ANY_HIGH); // wake up on: recv LoRa packet OR wake btn
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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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uint16_t getBattMilliVolts() {
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#if defined(PIN_VBAT_READ) && defined(ADC_MULTIPLIER)
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analogReadResolution(12);
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uint32_t raw = 0;
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for (int i = 0; i < BATTERY_SAMPLES; i++) {
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raw += analogRead(PIN_VBAT_READ);
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}
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raw = raw / BATTERY_SAMPLES;
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return (ADC_MULTIPLIER * raw) / 4096;
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#else
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return 0;
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#endif
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}
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const char* getManufacturerName() const{
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return "LilyGo T-Deck";
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}
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}; |