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创建一个程序，用PWM控制灯的亮度。

发布时间：2025-09-02 10:05:46

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答案：【计分规则】: private Boolean running = true;private final String PWMPort = "PWM1";private Pwm light;private int l =0;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);PeripheralManager manager = PeripheralManager.getInstance();try {light= manager.openPwm(PWMPort);light.setPwmFrequencyHz(120);light.setPwmDutyCycle(0);light.setEnabled(true);new Thread(new Runnable() {@Overridepublic void run() {while (running){try {Thread.sleep(100);if (l<100){l++;}else {l=0;}light.setPwmDutyCycle(l);} catch (InterruptedException | IOException e) {e.printStackTrace();}}}});} catch (IOException e) {e.printStackTrace();}}}

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