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Add GetBatteryLevel for Waveshare ESP32-S3-ePaper-1.54 board (#1506)

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This commit is contained in:
tojoevan
2025-11-30 11:44:07 +08:00
committed by GitHub
parent 28db4bd60a
commit 2d15bef298
2 changed files with 63 additions and 1 deletions
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3
main/boards/waveshare-s3-epaper-1.54/board_power_bsp.cc
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@@ -15,7 +15,8 @@ void BoardPowerBsp::PowerLedTask(void *arg) {
gpio_set_level(GPIO_NUM_3, 0);
vTaskDelay(pdMS_TO_TICKS(200));
gpio_set_level(GPIO_NUM_3, 1);
vTaskDelay(pdMS_TO_TICKS(200));
// 不需要频繁闪烁，间隔指示效果更好
vTaskDelay(pdMS_TO_TICKS(4800));
}
}

61
main/boards/waveshare-s3-epaper-1.54/waveshare-s3-epaper-1.54.cc
View File

@@ -88,6 +88,59 @@ class CustomBoard : public WifiBoard {
} while (!gpio_get_level(VBAT_PWR_GPIO));
}
uint16_t BatterygetVoltage(void) {
static bool initialized = false;
static adc_oneshot_unit_handle_t adc_handle;
static adc_cali_handle_t cali_handle = NULL;
if (!initialized) {
adc_oneshot_unit_init_cfg_t init_config = {
.unit_id = ADC_UNIT_1,
};
adc_oneshot_new_unit(&init_config, &adc_handle);
adc_oneshot_chan_cfg_t ch_config = {
.atten = ADC_ATTEN_DB_12,
.bitwidth = ADC_BITWIDTH_12,
};
adc_oneshot_config_channel(adc_handle, ADC_CHANNEL_3, &ch_config);
adc_cali_curve_fitting_config_t cali_config = {
.unit_id = ADC_UNIT_1,
.atten = ADC_ATTEN_DB_12,
.bitwidth = ADC_BITWIDTH_12,
};
if (adc_cali_create_scheme_curve_fitting(&cali_config, &cali_handle) == ESP_OK) {
initialized = true;
}
}
if (initialized) {
int raw_value = 0;
int raw_voltage = 0;
int voltage = 0; // mV
adc_oneshot_read(adc_handle, ADC_CHANNEL_3, &raw_value);
adc_cali_raw_to_voltage(cali_handle, raw_value, &raw_voltage);
voltage = raw_voltage * 2;
// ESP_LOGI(TAG, "voltage: %dmV", voltage);
return (uint16_t)voltage;
}
return 0;
}
uint8_t BatterygetPercent() {
int voltage = 0;
for (uint8_t i = 0; i < 10; i++) {
voltage += BatterygetVoltage();
}
voltage /= 10;
int percent = (-1 * voltage * voltage + 9016 * voltage - 19189000) / 10000;
percent = (percent > 100) ? 100 : (percent < 0) ? 0 : percent;
// ESP_LOGI(TAG, "voltage: %dmV, percentage: %d%%", voltage, percent);
return (uint8_t)percent;
}
public:
CustomBoard() : boot_button_(BOOT_BUTTON_GPIO), pwr_button_(VBAT_PWR_GPIO) {
Power_Init();
@@ -105,6 +158,14 @@ class CustomBoard : public WifiBoard {
virtual Display *GetDisplay() override {
return display_;
}
virtual bool GetBatteryLevel(int &level, bool& charging, bool& discharging) override {
charging = false;
discharging = !charging;
level = (int)BatterygetPercent();
return true;
}
};
DECLARE_BOARD(CustomBoard);