cxd3500.c

来自「可以从计算机向WINBOND516直接下载程序的源码」· C语言 代码 · 共 59 行

#include <reg51.h>
#include "demo.h"


BYTE code FONT_3500[]={
#include "c3500.h"
};
//========================================================================
//send a byte to CXA3500
//========================================================================
void write3500Byte(BYTE num)
{
	BYTE i;
    for(i=0;i<8;i++)
	{
		SCLK_3500=0;
        ACC=num;
        SDATA_3500=ACC_7;
        ShortDelay(2);
        SCLK_3500=1;
        ShortDelay(2);
        num<<=1;
	}
}
//========================================================================
//Ajust a byte of addrdss and date for CXA3500
//========================================================================

void write3500AddrByte(BYTE addr,BYTE val)
{
	SCTR_3500=0;
    write3500Byte(addr);
    write3500Byte(val);
    SCTR_3500=1;
    SDATA_3500=1;
}
//========================================================================
//send control bytes to CXA3500
//========================================================================
void write3500(void)
{
	BYTE i,val,addr=0;
    BYTE *ap=FONT_3500;
    for(i=0;i<31;i++)
	{
		val = *ap;
		write3500AddrByte(addr,val);
		addr++;
		ap++;
	}
    if(Userdate.value2.items.flip ==0 && Userdate.value2.items.mirror == 0)
		write3500AddrByte(0x0d,0x8b);
	else if(Userdate.value2.items.flip ==0 && Userdate.value2.items.mirror ==1)
		write3500AddrByte(0x0d,0x9b);
    else if(Userdate.value2.items.flip ==1 && Userdate.value2.items.mirror ==0)
		write3500AddrByte(0x0d,0xab);
	else 
		write3500AddrByte(0x0d,0xbb);
}