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103 lines
2.7 KiB
103 lines
2.7 KiB
#include "HeltecTowerV2Board.h"
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#include <Arduino.h>
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#include <Wire.h>
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extern void variant_shutdown();
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#ifdef NRF52_POWER_MANAGEMENT
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const PowerMgtConfig power_config = {
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.lpcomp_ain_channel = PWRMGT_LPCOMP_AIN,
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.lpcomp_refsel = PWRMGT_LPCOMP_REFSEL,
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.voltage_bootlock = PWRMGT_VOLTAGE_BOOTLOCK
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};
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void HeltecTowerV2Board::initiateShutdown(uint8_t reason) {
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pinMode(PIN_GPS_EN, OUTPUT);
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digitalWrite(PIN_GPS_EN, !PIN_GPS_EN_ACTIVE);
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pinMode(PIN_GPS_STANDBY, OUTPUT);
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digitalWrite(PIN_GPS_STANDBY, LOW);
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pinMode(PIN_GPS_RESET, OUTPUT);
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digitalWrite(PIN_GPS_RESET, GPS_RESET_MODE);
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loRaFEMControl.setSleepModeEnable();
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bool enable_lpcomp = (reason == SHUTDOWN_REASON_LOW_VOLTAGE ||
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reason == SHUTDOWN_REASON_BOOT_PROTECT);
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pinMode(PIN_BAT_CTL, OUTPUT);
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digitalWrite(PIN_BAT_CTL, enable_lpcomp ? HIGH : LOW);
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if (enable_lpcomp) {
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configureVoltageWake(power_config.lpcomp_ain_channel, power_config.lpcomp_refsel);
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}
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variant_shutdown();
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enterSystemOff(reason);
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}
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#endif
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void HeltecTowerV2Board::begin() {
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NRF52Board::begin();
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pinMode(P_LORA_TX_LED, OUTPUT);
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digitalWrite(P_LORA_TX_LED, !LED_STATE_ON);
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pinMode(PIN_BAT_CTL, OUTPUT);
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digitalWrite(PIN_BAT_CTL, LOW);
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#ifdef NRF52_POWER_MANAGEMENT
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checkBootVoltage(&power_config);
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#endif
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Wire.setPins(PIN_BOARD_SDA, PIN_BOARD_SCL);
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Wire.begin();
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pinMode(PIN_GPS_EN, OUTPUT);
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digitalWrite(PIN_GPS_EN, !PIN_GPS_EN_ACTIVE);
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pinMode(PIN_GPS_RESET, OUTPUT);
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digitalWrite(PIN_GPS_RESET, GPS_RESET_MODE);
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pinMode(PIN_GPS_STANDBY, OUTPUT);
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digitalWrite(PIN_GPS_STANDBY, HIGH);
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loRaFEMControl.init();
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}
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void HeltecTowerV2Board::onBeforeTransmit() {
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digitalWrite(P_LORA_TX_LED, LED_STATE_ON);
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loRaFEMControl.setTxModeEnable();
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}
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void HeltecTowerV2Board::onAfterTransmit() {
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digitalWrite(P_LORA_TX_LED, !LED_STATE_ON);
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loRaFEMControl.setRxModeEnable();
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}
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uint16_t HeltecTowerV2Board::getBattMilliVolts() {
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analogReadResolution(12);
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analogReference(VBAT_AR_INTERNAL);
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pinMode(PIN_VBAT_READ, INPUT);
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pinMode(PIN_BAT_CTL, OUTPUT);
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digitalWrite(PIN_BAT_CTL, HIGH);
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delay(10);
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int adcvalue = analogRead(PIN_VBAT_READ);
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digitalWrite(PIN_BAT_CTL, LOW);
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return (uint16_t)((float)adcvalue * MV_LSB * ADC_MULTIPLIER);
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}
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const char* HeltecTowerV2Board::getManufacturerName() const {
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return "Heltec Tower V2";
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}
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void HeltecTowerV2Board::powerOff() {
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pinMode(PIN_GPS_EN, OUTPUT);
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digitalWrite(PIN_GPS_EN, !PIN_GPS_EN_ACTIVE);
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pinMode(PIN_GPS_STANDBY, OUTPUT);
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digitalWrite(PIN_GPS_STANDBY, LOW);
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pinMode(PIN_GPS_RESET, OUTPUT);
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digitalWrite(PIN_GPS_RESET, GPS_RESET_MODE);
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loRaFEMControl.setSleepModeEnable();
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pinMode(PIN_BAT_CTL, OUTPUT);
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digitalWrite(PIN_BAT_CTL, LOW);
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variant_shutdown();
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sd_power_system_off();
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}
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