ua1zbe
cdd9d32fb5
Some checks failed
Build and deploy Docs site to GitHub Pages / github-pages (push) Has been cancelled
Run Unit Tests / test (push) Has been cancelled
PR Build Check / build (Heltec_v3_companion_radio_ble) (push) Has been cancelled
PR Build Check / build (Heltec_v3_repeater) (push) Has been cancelled
PR Build Check / build (Heltec_v3_room_server) (push) Has been cancelled
PR Build Check / build (LilyGo_Tlora_C6_repeater_) (push) Has been cancelled
PR Build Check / build (PicoW_repeater) (push) Has been cancelled
PR Build Check / build (RAK_4631_companion_radio_ble) (push) Has been cancelled
PR Build Check / build (RAK_4631_repeater) (push) Has been cancelled
PR Build Check / build (RAK_4631_room_server) (push) Has been cancelled
PR Build Check / build (Tbeam_SX1276_repeater) (push) Has been cancelled
PR Build Check / build (wio-e5-mini_repeater) (push) Has been cancelled
PR Build Check / build (wio_wm1110_repeater) (push) Has been cancelled
74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
#ifdef XIAO_NRF52
|
|
|
|
#include <Arduino.h>
|
|
#include <Wire.h>
|
|
|
|
#include "XiaoNrf52Board.h"
|
|
|
|
#ifdef NRF52_POWER_MANAGEMENT
|
|
// Static configuration for power management
|
|
// Values set in variant.h defines
|
|
const PowerMgtConfig power_config = {
|
|
.lpcomp_ain_channel = PWRMGT_LPCOMP_AIN,
|
|
.lpcomp_refsel = PWRMGT_LPCOMP_REFSEL,
|
|
.voltage_bootlock = PWRMGT_VOLTAGE_BOOTLOCK
|
|
};
|
|
|
|
void XiaoNrf52Board::initiateShutdown(uint8_t reason) {
|
|
bool enable_lpcomp = (reason == SHUTDOWN_REASON_LOW_VOLTAGE ||
|
|
reason == SHUTDOWN_REASON_BOOT_PROTECT);
|
|
|
|
pinMode(VBAT_ENABLE, OUTPUT);
|
|
digitalWrite(VBAT_ENABLE, enable_lpcomp ? LOW : HIGH);
|
|
|
|
if (enable_lpcomp) {
|
|
configureVoltageWake(power_config.lpcomp_ain_channel, power_config.lpcomp_refsel);
|
|
}
|
|
|
|
enterSystemOff(reason);
|
|
}
|
|
#endif // NRF52_POWER_MANAGEMENT
|
|
|
|
void XiaoNrf52Board::begin() {
|
|
NRF52BoardDCDC::begin();
|
|
|
|
// Configure battery voltage ADC
|
|
pinMode(PIN_VBAT, INPUT);
|
|
pinMode(VBAT_ENABLE, OUTPUT);
|
|
digitalWrite(VBAT_ENABLE, LOW); // Enable VBAT divider for reading
|
|
analogReadResolution(12);
|
|
analogReference(AR_INTERNAL_3_0);
|
|
delay(50); // Allow ADC to settle
|
|
|
|
#ifdef PIN_USER_BTN
|
|
pinMode(PIN_USER_BTN, INPUT_PULLUP);
|
|
#endif
|
|
|
|
#if defined(PIN_WIRE_SDA) && defined(PIN_WIRE_SCL)
|
|
Wire.setPins(PIN_WIRE_SDA, PIN_WIRE_SCL);
|
|
#endif
|
|
|
|
Wire.begin();
|
|
|
|
#ifdef P_LORA_TX_LED
|
|
pinMode(P_LORA_TX_LED, OUTPUT);
|
|
digitalWrite(P_LORA_TX_LED, HIGH);
|
|
#endif
|
|
|
|
#ifdef NRF52_POWER_MANAGEMENT
|
|
// Boot voltage protection check (may not return if voltage too low)
|
|
checkBootVoltage(&power_config);
|
|
#endif
|
|
|
|
delay(10); // Give sx1262 some time to power up
|
|
}
|
|
|
|
uint16_t XiaoNrf52Board::getBattMilliVolts() {
|
|
// https://wiki.seeedstudio.com/XIAO_BLE#q3-what-are-the-considerations-when-using-xiao-nrf52840-sense-for-battery-charging
|
|
// VBAT_ENABLE must be LOW to read battery voltage
|
|
digitalWrite(VBAT_ENABLE, LOW);
|
|
int adcvalue = analogRead(PIN_VBAT);
|
|
return (adcvalue * ADC_MULTIPLIER * AREF_VOLTAGE) / 4.096;
|
|
}
|
|
|
|
#endif |