39 lines
896 B
C
39 lines
896 B
C
/**
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* @file ui_event_light.c
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* @brief 此文件中专门实现亮度调节的事件处理
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*
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* 通过活动触摸屏来调节亮度
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*
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* @author wang xiang en
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* @date 2025-04-19
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* @version 版本号
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* @copyright 版权声明（(C)2025, YUWELL MEDTECH Co.ltd）
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*/
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#include "ui.h"
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#include "driver/ledc.h"
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#include "esp_err.h"
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#include "esp_log.h"
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/* 亮度最低值设定 */
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#define LOWERST_LIGHT_LEVEL (7222)
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/*亮度调节回调函数*/
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void on_sliderLight_valueChanged(lv_event_t * e)
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{
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uint32_t value = 8192-lv_slider_get_value(e->target);
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if (value>LOWERST_LIGHT_LEVEL)
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{
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value = LOWERST_LIGHT_LEVEL;
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}
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ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0, value));
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// Update duty to apply the new value
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ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0));
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#if LOG_RECORD_ENABLE
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WRITE_LOG_TO_SD("修改亮度");
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#endif
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}
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