register.c

本代码为SPI/I2C转双串口驱动程序。开发环境为Keil c51.

//-----------------------------------------------
//www.zlgmcu.com
//-----------------------------------------------

//#include "reg52.h"
#include "SC16IS752.h"
#include "VI2C_C51.h"

//-----------------------------------------
//SetBaudrate
//-----------------------------------------
void SetBaudrate()
{
	WriteRegister(LCR,ChannelA,0x80);
	WriteRegister(DLL,ChannelA,0x0C);			//9600bps
	WriteRegister(DLH,ChannelA,0x00);
}

//-----------------------------------------
//channel A=0x00, channel B=0x02;
//-----------------------------------------
void WriteRegister(unsigned char Reg,unsigned char channel,unsigned char Value)
{
	uchar temp[1];

	temp[0]=Value;
	Reg=Reg<<3;
	Reg=Reg+channel;

	ISendStr(SC16IS752,Reg,temp,1);
}

//-----------------------------------------
//channel A=0x00, channel B=0x02;
//-----------------------------------------
void ReadRegister(char Reg,char channel,char *RegValue)
{
	Reg=Reg<<3;
	Reg=Reg+channel;

	IRcvStr(SC16IS752,Reg,RegValue,1);
}

//-----------------------------------------
//ReadData
//-----------------------------------------

void ReadData(char Reg,char channel,char *Value,unsigned char num)
{
	Reg=Reg<<3;
	Reg=Reg+channel;

	IRcvStr(SC16IS752,Reg,Value,num);
}

//-----------------------------------------
//WriteData
//-----------------------------------------
void WriteData(unsigned char Reg,unsigned char channel,unsigned char *Value,unsigned char num)
{
	Reg=Reg<<3;
	Reg=Reg+channel;

	ISendStr(SC16IS752,Reg,Value,num);
}

//-----------------------------------------
//End
//-----------------------------------------