i2c.h

基于averlogic公司的AL320的AUO 2.4" SRGB屏的驱动程序

/*--------------------------------------------------------------------------
I2C.H
Header file for I2C

History:
07/20/2006 : First Version V0.1 ---HsinChu Office
09/15/2006 : Version 0.2 ---HsinChu Office
             1.Increase AL320EVB and AL320DVB I2C Port define. 

Copyright (c) 1998-2006 AverLogic Inc
All rights reserved.
--------------------------------------------------------------------------*/
#ifndef __I2C_H__
#define __I2C_H__
 #include <REG52.H>
#ifdef AL320EVB  //AL320EVB

sfr  Port1  = 0x90;
sbit sda    = P1^7;  
sbit scl    = P1^6;

#else			//AL320DVB

sfr  Port1  = 0x90;
sbit sda    = P1^7;  
sbit scl    = P1^6;

#endif

#define TRUE  1
#define FALSE 0

#define	DATA_COMMAND	  0xff
#define	DATA_END		  0xff
#define	COMMAND_DELAY	  0x80
#define	DELAY_VALUE		  0x7f
#define PAGE_ADDRESS_MAX  0x08

#define	ONEMS	105


void I2CStart(void);
void I2CStop(void);
void I2CWait(void);
void I2CAck(Bool);
Bool I2CTransmit(Byte ucTxdata);
Byte I2CReceive(void);
void I2CWrite(Byte ucDevice, Byte ucAddress, Byte ucSetdata);
Byte I2CRead(Byte ucDevice,Byte ucAddress);
Byte I2CLocate(Byte ucslave_addr, Byte ucsub_addr);

void SetReg(Byte ucSlaveID,Byte ucSubAddr,Byte ucDx);
Byte GetReg(Byte ucSlaveID,Byte ucSubAddr);

void InitReg(Byte *pucDat);
void Delay(int time_ms);
void srgb_write(unsigned char addr, unsigned char dat);

#endif