103 lines
3.0 KiB
C++
103 lines
3.0 KiB
C++
// LightControl.cpp
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#include "LightControl.h"
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#include "Arduino.h"
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LightControl::LightControl(BH1750& sensor, DS3502& pot)
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: lightSensor(sensor), digitalPot(pot) {}
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void LightControl::setTargetLight(float target) {
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targetLightLevel = target;
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}
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float LightControl::getCurrentLight() {
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return lightSensor.readLightLevel();
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}
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// 新增：持续调节函数，每次只调节一步
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void LightControl::adjustToTarget() {
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static unsigned long lastAdjustTime = 0;
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const unsigned long adjustInterval = 300; // 每300ms调节一次
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unsigned long currentTime = millis();
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if (currentTime - lastAdjustTime < adjustInterval) {
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return; // 还没到调节时间
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}
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const float tolerance = 100.0f; // 容许误差范围（±100 lux）
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float currentLight = getCurrentLight();
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float res = targetLightLevel - currentLight;
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if (abs(res) <= tolerance) {
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// 已达到目标，但不退出，继续监控
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lastAdjustTime = currentTime;
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return;
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}
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int lastWiperValue = digitalPot.getWiper();
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if (res > 0) {
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// 需要增加亮度 -> 增加电位器阻值
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if (lastWiperValue < 127) {
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lastWiperValue++;
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digitalPot.setWiper(lastWiperValue);
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Serial.printf("Auto: Current light: %.0f, Target: %.0f, Wiper: %d\n", currentLight, targetLightLevel, lastWiperValue);
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}
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} else if (res < 0) {
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// 需要减少亮度 -> 减少电位器阻值
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if (lastWiperValue > 0) {
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lastWiperValue--;
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digitalPot.setWiper(lastWiperValue);
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Serial.printf("Auto: Current light: %.0f, Target: %.0f, Wiper: %d\n", currentLight, targetLightLevel, lastWiperValue);
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}
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}
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lastAdjustTime = currentTime;
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}
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void LightControl::runUntilTargetReached(float target, int maxAttempts) {
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// 保留原有函数，但现在主要用于设置目标值
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setTargetLight(target);
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Serial.printf("Target light set to: %.0f\n", target);
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// 可选：立即进行一次快速调节
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const float tolerance = 100.0f;
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float currentLight;
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float res;
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int attempt = 0;
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const int max_retries = min(maxAttempts, 10); // 限制快速调节次数
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do {
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currentLight = getCurrentLight();
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res = target - currentLight;
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if (abs(res) <= tolerance) {
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Serial.println("Initial target reached.");
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break;
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}
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int lastWiperValue = digitalPot.getWiper();
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if (res > 0) {
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if (lastWiperValue <= 127) {
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lastWiperValue++;
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}
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} else if (res < 0) {
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if (lastWiperValue > 0) {
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lastWiperValue--;
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}
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}
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digitalPot.setWiper(lastWiperValue);
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Serial.printf("Quick adjust: Current light: %.0f, Target: %.0f, Wiper: %d\n", currentLight, target, lastWiperValue);
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delay(200);
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attempt++;
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if (attempt >= max_retries) {
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Serial.println("Quick adjust completed, continuing with auto mode.");
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break;
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}
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} while (true);
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} |