96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
#include "components/battery/BatteryController.h"
|
|
//#include "drivers/PinMap.h"
|
|
//#include <hal/nrf_gpio.h>
|
|
//#include <nrfx_saadc.h>
|
|
#include <algorithm>
|
|
|
|
using namespace Pinetime::Controllers;
|
|
|
|
Battery* Battery::instance = nullptr;
|
|
|
|
Battery::Battery() {
|
|
instance = this;
|
|
//nrf_gpio_cfg_input(PinMap::Charging, static_cast<nrf_gpio_pin_pull_t> GPIO_PIN_CNF_PULL_Disabled);
|
|
}
|
|
|
|
void Battery::ReadPowerState() {
|
|
if (isPowerPresent && !isCharging) {
|
|
isFull = true;
|
|
} else if (!isPowerPresent) {
|
|
isFull = false;
|
|
}
|
|
}
|
|
|
|
void Battery::MeasureVoltage() {
|
|
ReadPowerState();
|
|
|
|
if (isReading) {
|
|
return;
|
|
}
|
|
// Non blocking read
|
|
isReading = true;
|
|
//SaadcInit();
|
|
|
|
//nrfx_saadc_sample();
|
|
}
|
|
|
|
//void Battery::AdcCallbackStatic(nrfx_saadc_evt_t const* event) {
|
|
// instance->SaadcEventHandler(event);
|
|
//}
|
|
|
|
//void Battery::SaadcInit() {
|
|
// nrfx_saadc_config_t adcConfig = NRFX_SAADC_DEFAULT_CONFIG;
|
|
// APP_ERROR_CHECK(nrfx_saadc_init(&adcConfig, AdcCallbackStatic));
|
|
//
|
|
// nrf_saadc_channel_config_t adcChannelConfig = {.resistor_p = NRF_SAADC_RESISTOR_DISABLED,
|
|
// .resistor_n = NRF_SAADC_RESISTOR_DISABLED,
|
|
// .gain = NRF_SAADC_GAIN1_4,
|
|
// .reference = NRF_SAADC_REFERENCE_INTERNAL,
|
|
// .acq_time = NRF_SAADC_ACQTIME_40US,
|
|
// .mode = NRF_SAADC_MODE_SINGLE_ENDED,
|
|
// .burst = NRF_SAADC_BURST_ENABLED,
|
|
// .pin_p = batteryVoltageAdcInput,
|
|
// .pin_n = NRF_SAADC_INPUT_DISABLED};
|
|
// APP_ERROR_CHECK(nrfx_saadc_channel_init(0, &adcChannelConfig));
|
|
// APP_ERROR_CHECK(nrfx_saadc_buffer_convert(&saadc_value, 1));
|
|
//}
|
|
//
|
|
//void Battery::SaadcEventHandler(nrfx_saadc_evt_t const* p_event) {
|
|
// const uint16_t battery_max = 4180; // maximum voltage of battery ( max charging voltage is 4.21 )
|
|
// const uint16_t battery_min = 3200; // minimum voltage of battery before shutdown ( depends on the battery )
|
|
//
|
|
// if (p_event->type == NRFX_SAADC_EVT_DONE) {
|
|
//
|
|
// APP_ERROR_CHECK(nrfx_saadc_buffer_convert(&saadc_value, 1));
|
|
//
|
|
// // A hardware voltage divider divides the battery voltage by 2
|
|
// // ADC gain is 1/4
|
|
// // thus adc_voltage = battery_voltage / 2 * gain = battery_voltage / 8
|
|
// // reference_voltage is 600mV
|
|
// // p_event->data.done.p_buffer[0] = (adc_voltage / reference_voltage) * 1024
|
|
// voltage = p_event->data.done.p_buffer[0] * (8 * 600) / 1024;
|
|
//
|
|
// uint8_t newPercent;
|
|
// if (isFull) {
|
|
// newPercent = 100;
|
|
// } else if (voltage < battery_min) {
|
|
// newPercent = 0;
|
|
// } else {
|
|
// newPercent = std::min((voltage - battery_min) * 100 / (battery_max - battery_min), isCharging ? 99 : 100);
|
|
// }
|
|
//
|
|
// if ((isPowerPresent && newPercent > percentRemaining) || (!isPowerPresent && newPercent < percentRemaining) || firstMeasurement) {
|
|
// firstMeasurement = false;
|
|
// percentRemaining = newPercent;
|
|
// systemTask->PushMessage(System::Messages::BatteryPercentageUpdated);
|
|
// }
|
|
//
|
|
// nrfx_saadc_uninit();
|
|
// isReading = false;
|
|
// }
|
|
//}
|
|
|
|
void Battery::Register(Pinetime::System::SystemTask* systemTask) {
|
|
this->systemTask = systemTask;
|
|
}
|