You must also specify the address of the timer function that will process the timer messages.
你还必须指定处理定时器消息的定时器函数的地址值。
Distance measurement is realized by ultrasonic sensors, light intensity detection is achieved by photosensitive element, timer function is realized by 89c52's timer.
测距是利用超声波传感器来实现，光强检测是通过光敏元件实现，定时功能由89c52单片机定时器实现的。
Distance measurement is realized by ultrasonic sensors, light intensity detection is achieved by photosensitive element, timer function is realized by 89c52's timer.
测距是利用超声波传感器来实现，光强检测是通过光敏元件实现，定时功能由89c52单片机定时器实现的。
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