Infrared NEC format decoding method upd61211, 9Ms start of the high head, and then the low 4.5ms, if 2.25Ms when there is high, is a continuous signal, do not deal with 2, and then to a high and a low level for 1Bit, high time is 0.5625Ms = 562us, high-low ratio of 1:1 when the time is Bit1, ratio of 1:3 is Bit03, Timer1 interrupt the implementation of 100us sampling period, 9Ms = 90, 4.5Ms = 45, high = 5, low-level maximum of 154, were read into 4Byte were 24bit, No. 1,2 Byte is CustomCode code and its anti-code, the first is the 3,4 Byte Code DataCode and its anti-5, CustomCode correct and well-tested DataCode correct, the implementation of 6, infrared receiver output is RP s

ICCAVR下的红外解码程序，全部源码，原理图和PCB，芯片资料
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