使用定时器调节屏幕亮度

This commit is contained in:
Terrence
2025-02-14 01:15:10 +08:00
parent 9b8db4a551
commit 8ace1095e9
6 changed files with 75 additions and 34 deletions

View File

@@ -13,30 +13,21 @@ class Backlight : public Thing {
public:
Backlight() : Thing("Backlight", "当前 AI 机器人屏幕的亮度") {
// 定义设备的属性
properties_.AddNumberProperty("light", "当前亮度值", [this]() -> int {
properties_.AddNumberProperty("brightness", "当前亮度值", [this]() -> int {
// 这里可以添加获取当前亮度的逻辑
return current_brightness_;
auto display = Board::GetInstance().GetDisplay();
return display->brightness();
});
// 定义设备可以被远程执行的指令
methods_.AddMethod("SetLight", "设置亮度", ParameterList({
Parameter("light", "0到100之间的整数", kValueTypeNumber, true)
methods_.AddMethod("SetBrightness", "设置亮度", ParameterList({
Parameter("brightness", "0到100之间的整数", kValueTypeNumber, true)
}), [this](const ParameterList& parameters) {
auto display = Board::GetInstance().GetDisplay();
uint8_t target_brightness = static_cast<uint8_t>(parameters["light"].number());
int step = (target_brightness > current_brightness_) ? 1 : -1;
for (int brightness = current_brightness_; brightness != target_brightness; brightness += step) {
display->SetBacklight(static_cast<uint8_t>(brightness));
// 可以根据需要调整渐变速度,这里假设每次调整间隔 10 毫秒
vTaskDelay(pdMS_TO_TICKS(10));
}
display->SetBacklight(target_brightness);
current_brightness_ = target_brightness; // 保存当前亮度值
uint8_t brightness = static_cast<uint8_t>(parameters["brightness"].number());
display->SetBacklight(brightness);
});
}
private:
int current_brightness_ = 100; // 保存当前亮度值
};
} // namespace iot