sp-esp32-s3-1.28-box

main/boards/sp-esp32-s3-1.28-box/config.h

@@ -49,4 +49,8 @@
 
 #define DISPLAY_SPI_SCLK_HZ     (40 * 1000 * 1000)
 
+// 电量检测相关引脚定义
+#define BATTERY_ADC_PIN         GPIO_NUM_1  // 电池电压检测ADC引脚
+#define BATTERY_CHARGING_PIN    GPIO_NUM_41 // 充电状态检测引脚
+
 #endif // _BOARD_CONFIG_H_

main/boards/sp-esp32-s3-1.28-box/power_manager.h

@@ -0,0 +1,189 @@
+#pragma once
+#include <vector>
+#include <functional>
+
+#include <esp_timer.h>
+#include <driver/gpio.h>
+#include <esp_adc/adc_oneshot.h>
+#include <driver/adc.h>
+#include <esp_log.h>
+
+class PowerManager {
+private:
+    esp_timer_handle_t timer_handle_;
+    std::function<void(bool)> on_charging_status_changed_;
+    std::function<void(bool)> on_low_battery_status_changed_;
+
+    gpio_num_t charging_pin_;
+    std::vector<uint16_t> adc_values_;
+    uint32_t battery_level_ = 0;
+    bool is_charging_ = false;
+    bool is_low_battery_ = false;
+    int ticks_ = 0;
+    const int kBatteryAdcInterval = 60;
+    const int kBatteryAdcDataCount = 3;
+    const int kLowBatteryLevel = 20;
+
+    adc_oneshot_unit_handle_t adc_handle_;
+    adc_channel_t adc_channel_;
+
+    void CheckBatteryStatus() {
+        // Get charging status
+        bool new_charging_status = gpio_get_level(charging_pin_) == 1;
+        if (new_charging_status != is_charging_) {
+            is_charging_ = new_charging_status;
+            if (on_charging_status_changed_) {
+                on_charging_status_changed_(is_charging_);
+            }
+            ReadBatteryAdcData();
+            return;
+        }
+
+        // 如果电池电量数据不足，则读取电池电量数据
+        if (adc_values_.size() < kBatteryAdcDataCount) {
+            ReadBatteryAdcData();
+            return;
+        }
+
+        // 如果电池电量数据充足，则每 kBatteryAdcInterval 个 tick 读取一次电池电量数据
+        ticks_++;
+        if (ticks_ % kBatteryAdcInterval == 0) {
+            ReadBatteryAdcData();
+        }
+    }
+
+    void ReadBatteryAdcData() {
+        int adc_value;
+        ESP_ERROR_CHECK(adc_oneshot_read(adc_handle_, adc_channel_, &adc_value));
+
+        // 将 ADC 值添加到队列中
+        adc_values_.push_back(adc_value);
+        if (adc_values_.size() > kBatteryAdcDataCount) {
+            adc_values_.erase(adc_values_.begin());
+        }
+        uint32_t average_adc = 0;
+        for (auto value : adc_values_) {
+            average_adc += value;
+        }
+        average_adc /= adc_values_.size();
+
+        // 定义电池电量区间 - 根据实际硬件调整这些值
+        const struct {
+            uint16_t adc;
+            uint8_t level;
+        } levels[] = {
+            {1980, 0},
+            {2081, 20},
+            {2163, 40},
+            {2250, 60},
+            {2340, 80},
+            {2480, 100}
+        };
+
+        // 低于最低值时
+        if (average_adc < levels[0].adc) {
+            battery_level_ = 0;
+        }
+        // 高于最高值时
+        else if (average_adc >= levels[5].adc) {
+            battery_level_ = 100;
+        } else {
+            // 线性插值计算中间值
+            for (int i = 0; i < 5; i++) {
+                if (average_adc >= levels[i].adc && average_adc < levels[i+1].adc) {
+                    float ratio = static_cast<float>(average_adc - levels[i].adc) / (levels[i+1].adc - levels[i].adc);
+                    battery_level_ = levels[i].level + ratio * (levels[i+1].level - levels[i].level);
+                    break;
+                }
+            }
+        }
+
+        // Check low battery status
+        if (adc_values_.size() >= kBatteryAdcDataCount) {
+            bool new_low_battery_status = battery_level_ <= kLowBatteryLevel;
+            if (new_low_battery_status != is_low_battery_) {
+                is_low_battery_ = new_low_battery_status;
+                if (on_low_battery_status_changed_) {
+                    on_low_battery_status_changed_(is_low_battery_);
+                }
+            }
+        }
+
+        ESP_LOGI("PowerManager", "ADC value: %d average: %ld level: %ld", adc_value, average_adc, battery_level_);
+    }
+
+public:
+    PowerManager(gpio_num_t charging_pin, adc_channel_t adc_channel) 
+        : charging_pin_(charging_pin), adc_channel_(adc_channel) {
+        // 初始化充电引脚
+        gpio_config_t io_conf = {};
+        io_conf.intr_type = GPIO_INTR_DISABLE;
+        io_conf.mode = GPIO_MODE_INPUT;
+        io_conf.pin_bit_mask = (1ULL << charging_pin_);
+        io_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
+        io_conf.pull_up_en = GPIO_PULLUP_ENABLE;
+        gpio_config(&io_conf);
+
+        // 创建电池电量检查定时器
+        esp_timer_create_args_t timer_args = {
+            .callback = [](void* arg) {
+                PowerManager* self = static_cast<PowerManager*>(arg);
+                self->CheckBatteryStatus();
+            },
+            .arg = this,
+            .dispatch_method = ESP_TIMER_TASK,
+            .name = "battery_check_timer",
+            .skip_unhandled_events = true,
+        };
+        ESP_ERROR_CHECK(esp_timer_create(&timer_args, &timer_handle_));
+        ESP_ERROR_CHECK(esp_timer_start_periodic(timer_handle_, 100000));
+
+        // 初始化 ADC
+        adc_oneshot_unit_init_cfg_t init_config = {
+            .unit_id = ADC_UNIT_1,
+            .ulp_mode = ADC_ULP_MODE_DISABLE,
+        };
+        ESP_ERROR_CHECK(adc_oneshot_new_unit(&init_config, &adc_handle_));
+
+        adc_oneshot_chan_cfg_t chan_config = {
+            .atten = ADC_ATTEN_DB_12,
+            .bitwidth = ADC_BITWIDTH_12,
+        };
+        ESP_ERROR_CHECK(adc_oneshot_config_channel(adc_handle_, adc_channel_, &chan_config));
+    }
+
+    ~PowerManager() {
+        if (timer_handle_) {
+            esp_timer_stop(timer_handle_);
+            esp_timer_delete(timer_handle_);
+        }
+        if (adc_handle_) {
+            adc_oneshot_del_unit(adc_handle_);
+        }
+    }
+
+    bool IsCharging() {
+        // 如果电量已经满了，则不再显示充电中
+        if (battery_level_ == 100) {
+            return false;
+        }
+        return is_charging_;
+    }
+
+    bool IsDischarging() {
+        // 没有区分充电和放电，所以直接返回相反状态
+        return !is_charging_;
+    }
+
+    uint8_t GetBatteryLevel() {
+        return battery_level_;
+    }
+
+    void OnLowBatteryStatusChanged(std::function<void(bool)> callback) {
+        on_low_battery_status_changed_ = callback;
+    }
+
+    void OnChargingStatusChanged(std::function<void(bool)> callback) {
+        on_charging_status_changed_ = callback;
+    }
+};