74164 serial to parallel.c

8051入間程序

/******************************
****74164 serial to parallel****
******************************/

#include <REGX52.h>

void delay(int count);

void main(void)
{
	
	int i;
	unsigned char table[10] = {0xC0,0xF9,0x24,0x30,
								0x19,0x12,0x02,0xF8,
								0x00,0x10};
	SCON = 0x00;	//Mode 0
	while(1)
	{
		
		for(i=0;i<10;i++)
		{
			TI = 0;				//clear TI flag
			SBUF = table[i];	//transmit
			while(TI==0);		//TI = 1 , transimit finished

			delay(20000);
		}
		
	}
}


void delay(int count)
{
	int i;
	for(i=0;i<count;i++)
		;
}