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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
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
#include "TBeam1WBoard.h"
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void TBeam1WBoard::begin() {
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ESP32Board::begin();
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// Power on radio module (must be done before radio init)
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pinMode(SX126X_POWER_EN, OUTPUT);
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digitalWrite(SX126X_POWER_EN, HIGH);
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radio_powered = true;
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delay(10); // Allow radio to power up
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// RF switch RXEN pin handled by RadioLib via setRfSwitchPins()
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// Initialize LED
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pinMode(LED_PIN, OUTPUT);
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digitalWrite(LED_PIN, LOW);
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// Initialize fan control (on by default - 1W PA can overheat)
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pinMode(FAN_CTRL_PIN, OUTPUT);
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digitalWrite(FAN_CTRL_PIN, HIGH);
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}
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void TBeam1WBoard::onBeforeTransmit() {
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// RF switching handled by RadioLib via SX126X_DIO2_AS_RF_SWITCH and setRfSwitchPins()
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digitalWrite(LED_PIN, HIGH); // TX LED on
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}
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void TBeam1WBoard::onAfterTransmit() {
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digitalWrite(LED_PIN, LOW); // TX LED off
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}
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uint16_t TBeam1WBoard::getBattMilliVolts() {
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// T-Beam 1W uses 7.4V battery with voltage divider
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// ADC reads through divider - adjust multiplier based on actual divider ratio
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analogReadResolution(12);
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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(BATTERY_PIN);
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}
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raw = raw / 8;
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// Assuming voltage divider ratio from ADC_MULTIPLIER
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// 3.3V reference, 12-bit ADC (4095 max)
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return static_cast<uint16_t>((raw * 3300 * ADC_MULTIPLIER) / 4095);
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}
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const char* TBeam1WBoard::getManufacturerName() const {
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return "LilyGo T-Beam 1W";
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}
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void TBeam1WBoard::powerOff() {
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// Turn off radio LNA (CTRL pin must be LOW when not receiving)
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digitalWrite(SX126X_RXEN, LOW);
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// Turn off radio power
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digitalWrite(SX126X_POWER_EN, LOW);
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radio_powered = false;
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// Turn off LED and fan
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digitalWrite(LED_PIN, LOW);
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digitalWrite(FAN_CTRL_PIN, LOW);
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ESP32Board::powerOff();
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}
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void TBeam1WBoard::setFanEnabled(bool enabled) {
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digitalWrite(FAN_CTRL_PIN, enabled ? HIGH : LOW);
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}
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bool TBeam1WBoard::isFanEnabled() const {
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return digitalRead(FAN_CTRL_PIN) == HIGH;
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}
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