cpld.h

开关稳压电源 开关稳压电源

//文 件 名：CPLD.H
//功    能：实现单片机与CPLD器件的数据传送
//作    者：吕定胜
//创建日期：2007-09-03
//修改日期：

//传送端口定义

sbit pwmclk = P2^3;
sbit senddata = P2^2;
sbit pwmcs = P2^5;
sbit outcs = P2^6;

void send(int pwmdata)
{
	unsigned char i;
	pwmdata <<= 7;
	pwmcs = 0;
	for(i=0;i<9;i++)
	{
		pwmdata <<= 1;
		senddata = CY;
		pwmclk = 0;
		pwmclk = 1;
		pwmclk = 1;
		pwmclk = 0;
	}
	pwmcs = 0;
	pwmcs = 1;
}

void send1(int pwmdata)
{
	unsigned char i;
	pwmdata <<= 7;
	pwmcs = 0;
	for(i=0;i<9;i++)
	{
		pwmdata <<= 1;
		senddata = CY;
		pwmclk = 0;
		pwmclk = 1;
		pwmclk = 1;
		pwmclk = 0;
	}
	pwmcs = 0;
	pwmcs = 1;
}