main.c

条屏控制器的设计的主程序,本例是控制4字,改动几个边界值即可控制任意长个汉字,保证可以实际应用

/******************************************************************************************/
/*                                                                                        */  
/*                      Controller  Program  V1.0                                         */
/*                                                                                        */
/*	P3.4、P3.3: 11-RAM, 01-FLASH, 10-245_E, 00-REST										  */
/*	RAM:32K  FLASH:512K  CPU_RAM:4K 													  */
/*	ADDR:   RAM-0x0000～0x7fff   FLASH- (0x0000～0xffff)*8: P1.2、P1.1、P1.0	  		　*/
/*	P1.3:XLAT  P1.4:BLANK  P3.5:CPLD_SEL P1.7:Data_sel		P1.5、P1.6:	on standby		  */
/*  P3.2:MAX485_con                                                                       */
/*                                                                                        */
/*                                                                                        */
/*                                                                                        */
/******************************************************************************************/
#pragma small 

#include <reg52.h>
#include <stdio.h>

sbit FLASH2 = 0x92;
sbit FLASH1 = 0x91;	
sbit FLASH0 = 0x90;	

void wait();

main()
{
 unsigned char flash_bit=0x00;
 unsigned int  seek=0x00;

 while (1)	{    
    flash_bit = seek/0x8;
 	FLASH2    = flash_bit&0x04;
 	FLASH1    = flash_bit&0x02;
 	FLASH0    = flash_bit&0x01;
 	seek++;
	//wait();
    }
}
 
void wait()
{
 unsigned char count;

 for (count=0;count<16;count++)
 	{;}
}