樓主,[求助] 8051 發(fā)射RC5遙控器源碼!是否可以共享一個(gè)?
我自己寫了下面這一段,沒有辦法實(shí)現(xiàn)呀!
void YKInit() //遙控接收初始化 { YKDatas[0] = YKDatas[1] = YKDatas[2] = 0; YKcount = 0; YKtype = 0; YKend = 0; }
void time0() interrupt 1 { //第一次進(jìn)入中斷前, 定時(shí)1/4位的時(shí)間:445us, 以后則定時(shí)一位時(shí)間1.778ms //即在3/4位時(shí)間時(shí), 判斷該位是1還是0 //實(shí)際測試中, 位時(shí)間只在1.651ms(+- 1ms), 定時(shí)1/4位的時(shí)間:413us bit in = ~YKIn; //一體化解碼后, 有載頻部分變?yōu)榈碗娖? 即低電平實(shí)際為1, 高電平實(shí)際為0 //設(shè)置定時(shí)器初值 //模式1: TH0 = (2^16 - (1651/1.085)) / 2^8 = (65536 - 1651/1.085) / 256 = 250; //TL0 = (65536 - 1651/1.085) % 256 = 14 TH0 = 250; TL0 = 14; YKDatas[YKtype] = YKDatas[YKtype] | in; //將數(shù)據(jù)放入最低位 YKcount++; if(YKcount == 3) //獲取完Start bits 和control bit, 共3位 { YKtype = 1; } else if(YKcount == 8) //獲取完system bits, 共5位 { YKtype = 2; } else if(YKcount == 14) //獲取完commond bits, 共6位 { YKtype = 3; } else if(YKtype == 3) //等待最后1/4位時(shí)間結(jié)束, 實(shí)際延時(shí)1位時(shí)間 { YKend = 1; YKcount = 0; YKtype = 0; TR0 = 0; //接收結(jié)束, 停止定時(shí)器0 return; } else //將數(shù)據(jù)左移一位, 以便將一下位數(shù)據(jù)并于最低位 { YKDatas[YKtype] = YKDatas[YKtype] << 1; } } |