zlg7290.c

独立的CAN 控制器SJA1000基本硬件头文件定义(BasicCAN 工作方式）

#include "reg51.h"
#include "viic_c51.h"

#define zlg7290 0x70

#define SubKey  0x01 
#define SubCmdBuf 0x07
#define SubDpRam 0x10

void delayMS(unsigned char i)
{ 
	unsigned char j,k;
	for(k=0;k<i;k++)
		for(j=0;j<60;j++);
}
unsigned char ZLG7290_SendData(unsigned char SubAdd,unsigned char Data)
{
	if(SubAdd>0x17)
		return 0;
	ISendStr(zlg7290,SubAdd,&Data,1);
	delayMS(10);
	return 1;
}
unsigned char ZLG7290_SendCmd(unsigned char Data1,unsigned char Data2)
{
unsigned char Data[2];
	Data[0]=Data1;
	Data[1]=Data2;
	ISendStr(zlg7290,0x07,Data,2);
	delayMS(10);
	return 1;
}    
void ZLG7290_SendBuf(unsigned char * disp_buf,unsigned char num)
{
	unsigned char i;
	for(i=0;i<num;i++)
	{	
		ZLG7290_SendCmd(0x60+i,*disp_buf);
		disp_buf++;
	}
}
unsigned char	ZLG7290_GetKey()
{
unsigned char rece;
	rece=0;
	IRcvStr(zlg7290,1,&rece,1);
	delayMS(10);
	return rece;
}