mirror of
https://github.com/pelgraine/Meck.git
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pelgraine
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
#include <Arduino.h>
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#include "TWatchS3PlusBoard.h"
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void TWatchS3PlusBoard::begin() {
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ESP32Board::begin();
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power_init();
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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_ext1_wakeup_status();
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if (wakeup_source & (1 << P_LORA_DIO_1)) {
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startup_reason = BD_STARTUP_RX_PACKET;
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}
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rtc_gpio_hold_dis((gpio_num_t)P_LORA_NSS);
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rtc_gpio_deinit((gpio_num_t)P_LORA_DIO_1);
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}
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}
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bool TWatchS3PlusBoard::power_init() {
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PMU = new XPowersAXP2101(Wire, PIN_BOARD_SDA, PIN_BOARD_SCL, I2C_ADDR_PMU);
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if (!PMU->init()) {
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MESH_DEBUG_PRINTLN("Warning: Failed to find AXP2101 power management");
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delete PMU;
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PMU = NULL;
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return false;
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}
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PMU->setChargingLedMode(XPOWERS_CHG_LED_CTRL_CHG);
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// Power rails per the T-Watch S3 Plus PowerManage table:
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// ALDO2 = display backlight, ALDO3 = display + touch,
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// ALDO4 = LoRa, BLDO1 = GNSS, BLDO2 = DRV2605, ALDO1 = unused.
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PMU->setPowerChannelVoltage(XPOWERS_ALDO4, 3300); // LoRa radio
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PMU->enablePowerOutput(XPOWERS_ALDO4);
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PMU->setPowerChannelVoltage(XPOWERS_ALDO3, 3300); // display + touch
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PMU->enablePowerOutput(XPOWERS_ALDO3);
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PMU->setPowerChannelVoltage(XPOWERS_ALDO2, 3300); // display backlight
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PMU->enablePowerOutput(XPOWERS_ALDO2);
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PMU->setPowerChannelVoltage(XPOWERS_BLDO2, 3300); // DRV2605 haptic
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PMU->enablePowerOutput(XPOWERS_BLDO2);
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// GNSS (MIA-M10Q) on BLDO1 -- set the rail voltage but leave it OFF at boot.
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// It is powered on demand via gpsPowerOn() when gps_enabled is set.
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PMU->setPowerChannelVoltage(XPOWERS_BLDO1, 3300);
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PMU->disablePowerOutput(XPOWERS_BLDO1);
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PMU->disablePowerOutput(XPOWERS_DCDC2);
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PMU->disablePowerOutput(XPOWERS_DCDC3);
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PMU->disablePowerOutput(XPOWERS_DCDC4);
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PMU->disablePowerOutput(XPOWERS_DCDC5);
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PMU->disablePowerOutput(XPOWERS_ALDO1); // unused on the Plus
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PMU->disablePowerOutput(XPOWERS_DLDO1);
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PMU->disablePowerOutput(XPOWERS_DLDO2);
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PMU->disablePowerOutput(XPOWERS_VBACKUP);
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PMU->disableIRQ(XPOWERS_AXP2101_ALL_IRQ);
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PMU->clearIrqStatus();
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PMU->setChargerConstantCurr(XPOWERS_AXP2101_CHG_CUR_125MA);
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PMU->setChargeTargetVoltage(XPOWERS_AXP2101_CHG_VOL_4V2);
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PMU->disableTSPinMeasure();
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PMU->enableSystemVoltageMeasure();
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PMU->enableVbusVoltageMeasure();
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PMU->enableBattVoltageMeasure();
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PMU->setPowerKeyPressOffTime(XPOWERS_POWEROFF_4S);
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return true;
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}
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void TWatchS3PlusBoard::gpsPowerOn() {
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if (PMU) {
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PMU->enablePowerOutput(XPOWERS_BLDO1);
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delay(100); // allow the module to boot before we expect NMEA
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}
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}
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void TWatchS3PlusBoard::gpsPowerOff() {
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if (PMU) PMU->disablePowerOutput(XPOWERS_BLDO1);
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} |