An infrared receiving method and device
An infrared receiving and infrared technology, applied in the field of infrared remote control, can solve the problems of data loss, priority conflict, decoding errors, etc., and achieve the effect of avoiding decoding errors
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[0030]In order to understand the objects, technical solutions and advantages of the present invention, the present invention will be further elaborated in connection with the accompanying drawings and examples.
[0031]Such asfigure 1 As shown in one embodiment of the invention, the infrared receiving method includes the steps of:
[0032]S10, single-chip configuration timer, turning the timer overflow interrupt and capture interrupt.
[0033]The present invention employs a rolling count using a 1US 12-bit width (4096 嗒) timer, and the timer is overflowed once, and the overflow number n is used once.
[0034]S20, when capturing interrupt triggers, get overflows and capture time values.
[0035]The present invention employs an external interrupt plus a timer to receive an infrared signal, and the infrared pulse signal enters the microcontroller of the infrared receiving end through the external interrupt opening, the timer is rolled in response to the 10 / -rising edge triggering interruption, when t...
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