#include "adc_battery_monitor.h"
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AdcBatteryMonitor::AdcBatteryMonitor(adc_unit_t adc_unit, adc_channel_t adc_channel, float upper_resistor, float lower_resistor, gpio_num_t charging_pin)
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: charging_pin_(charging_pin) {
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// Initialize charging pin (only if it's not NC)
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if (charging_pin_ != GPIO_NUM_NC) {
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gpio_config_t gpio_cfg = {
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.pin_bit_mask = 1ULL << charging_pin,
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.mode = GPIO_MODE_INPUT,
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.pull_up_en = GPIO_PULLUP_DISABLE,
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.pull_down_en = GPIO_PULLDOWN_DISABLE,
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.intr_type = GPIO_INTR_DISABLE,
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};
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ESP_ERROR_CHECK(gpio_config(&gpio_cfg));
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}
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// Initialize ADC battery estimation
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adc_battery_estimation_t adc_cfg = {
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.internal = {
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.adc_unit = adc_unit,
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.adc_bitwidth = ADC_BITWIDTH_DEFAULT,
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.adc_atten = ADC_ATTEN_DB_12,
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},
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.adc_channel = adc_channel,
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.upper_resistor = upper_resistor,
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.lower_resistor = lower_resistor
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};
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// 在ADC配置部分进行条件设置
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if (charging_pin_ != GPIO_NUM_NC) {
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adc_cfg.charging_detect_cb = [](void *user_data) -> bool {
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AdcBatteryMonitor *self = (AdcBatteryMonitor *)user_data;
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return gpio_get_level(self->charging_pin_) == 1;
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};
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adc_cfg.charging_detect_user_data = this;
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} else {
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// 不设置回调，让adc_battery_estimation库使用软件估算
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adc_cfg.charging_detect_cb = nullptr;
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adc_cfg.charging_detect_user_data = nullptr;
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}
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adc_battery_estimation_handle_ = adc_battery_estimation_create(&adc_cfg);
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// Initialize timer
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esp_timer_create_args_t timer_cfg = {
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.callback = [](void *arg) {
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AdcBatteryMonitor *self = (AdcBatteryMonitor *)arg;
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self->CheckBatteryStatus();
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},
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.arg = this,
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.name = "adc_battery_monitor",
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};
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ESP_ERROR_CHECK(esp_timer_create(&timer_cfg, &timer_handle_));
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ESP_ERROR_CHECK(esp_timer_start_periodic(timer_handle_, 1000000));
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}
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AdcBatteryMonitor::~AdcBatteryMonitor() {
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if (adc_battery_estimation_handle_) {
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ESP_ERROR_CHECK(adc_battery_estimation_destroy(adc_battery_estimation_handle_));
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}
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if (timer_handle_) {
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esp_timer_stop(timer_handle_);
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esp_timer_delete(timer_handle_);
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}
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}
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bool AdcBatteryMonitor::IsCharging() {
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// 优先使用adc_battery_estimation库的功能
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if (adc_battery_estimation_handle_ != nullptr) {
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bool is_charging = false;
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esp_err_t err = adc_battery_estimation_get_charging_state(adc_battery_estimation_handle_, &is_charging);
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if (err == ESP_OK) {
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return is_charging;
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}
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}
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// 回退到GPIO读取或返回默认值
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if (charging_pin_ != GPIO_NUM_NC) {
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return gpio_get_level(charging_pin_) == 1;
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}
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return false;
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}
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bool AdcBatteryMonitor::IsDischarging() {
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return !IsCharging();
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}
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uint8_t AdcBatteryMonitor::GetBatteryLevel() {
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// 如果句柄无效，返回默认值
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if (adc_battery_estimation_handle_ == nullptr) {
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return 100;
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}
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float capacity = 0;
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esp_err_t err = adc_battery_estimation_get_capacity(adc_battery_estimation_handle_, &capacity);
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if (err != ESP_OK) {
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return 100; // 出错时返回默认值
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}
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return (uint8_t)capacity;
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}
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void AdcBatteryMonitor::OnChargingStatusChanged(std::function<void(bool)> callback) {
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on_charging_status_changed_ = callback;
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}
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void AdcBatteryMonitor::CheckBatteryStatus() {
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bool new_charging_status = IsCharging();
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if (new_charging_status != is_charging_) {
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is_charging_ = new_charging_status;
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if (on_charging_status_changed_) {
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on_charging_status_changed_(is_charging_);
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}
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}
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}
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