sc16is752.h

本代码为SPI/I2C转双串口驱动程序。开发环境为Keil c51.

//-------------------------
//General register set
//-------------------------

#define RHR 0x00
#define THR 0x00

#define IER 0x01

#define FCR 0x02
#define IIR 0x02

#define LCR 0x03
#define MCR 0x04
#define LSR 0x05

#define MSR 0x06
#define SPR 0x07
#define TCR 0x06
#define TLR 0x07

#define TXLVL 0x08
#define RXLVL 0x09

#define IODir 0x0A
#define IOState 0x0B
#define IOIntEna 0x0C
#define IOControl 0x0E

#define EFCR 0x0F

//-------------------------
//Special register set
//-------------------------
#define DLL 0x00
#define DLH 0x01

//-------------------------
//Enhanced register set
//-------------------------
#define EFR 0x02
#define Xon1 0x04
#define Xon2 0x05
#define Xoff1 0x06
#define Xoff2 0x07

//-------------------------
//Function:
//-------------------------
#define SC16IS752 0x9A

#define ChannelA 0x00
#define ChannelB 0x02

void SetBaudrate();

void WriteRegister(unsigned char Reg,unsigned char channel,unsigned char Value);
void ReadRegister(char Reg,char channel,char *RegValue);

void WriteData(unsigned char Reg,unsigned char channel,char *Value,unsigned char num);
void ReadData(char Reg,char channel,char *Value,unsigned char num);

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