uPD6121 avr红外解码程序.docVIP

uPD6121 avr红外解码程序 #include iom16v.h #include macros.h #define uint unsigned int #define uchar unsigned char #define ulong unsigned long /*------------------------------显示-----------------------------------*/ #define LED_DATA PORTB const uchar tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; /*  0 1 2 3 4 5 6 7 8 9 A B C D E F */ void delay(void){  uint i;  for(i=0;i2000;i++); } void dis_int(uint dis_data) { //四位共阴数码管，十六进制显示  LED_DATA=tab[(uchar)((dis_data0xf000)12)]; //显示千位  PORTD=0xf7;  delay(); //延时   LED_DATA=tab[(uchar)((dis_data0x0f00)8)]; //显示百位  PORTD=0xfb;  delay(); //延时   LED_DATA=tab[(uchar)(dis_data0x00f0)4]; //显示十位  PORTD=0xfd;  delay(); //延时   LED_DATA=tab[(uchar)dis_data0x000f]; //显示个位  PORTD=0xfe;  delay(); //延时 } void port_init(void) {  PORTA = 0xFF;  DDRA = 0x00;  PORTB = 0xFF;  DDRB = 0xFF;  PORTC = 0xFF;  DDRC = 0xFF;  PORTD = 0xFF;  DDRD = 0x0F; } void timer1_init(void) {  TCCR1B = 0x00; //stop  TCNT1H = 0x00; //setup  TCNT1L = 0x00;  ICR1H = 0x00;  ICR1L = 0x08;  TCCR1A = 0x00; /*一体化接收头的DATA引脚接到ATmega16的PD6(ICP1)引脚，采用上升沿捕捉的方法解码*/ /*晶振为6M,无分频，用8M太大（分频则太小）*/  TCCR1B = 0x41; //start Timer } uint arr[16];//保存捕捉值 uchar times;//记录捕捉次数 uchar index;//数组索引 uchar ir_code;//红外遥控键码 uchar OK_flag;//解码完毕标志 /*------------------------------------------------------------------------------ 模块名称：PD6(ICP1)引脚上升沿捕捉中断程序 影响： 将捕捉值保存在arr[16]中  ___ ___  | | | | ___| |_________| |__________  |-----t-----|  DEC HEX t=9ms 计数值＝54000