twowire.h

TFT LCD驱动芯片T100A+AU7" Source code

//---------------------------------------------------------------------------
// Terawins Inc. Company Confidential Strictly Private
//
// $Archive: TwoWire.h $
// $Revision: 1.01 $
// $Author: JoannW $
// $Date: 2002/10/15 $
//
// --------------------------------------------------------------------------
// >>>>>>>>>>>>>>>>>>>>>>>>> COPYRIGHT NOTICE <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
// --------------------------------------------------------------------------
// Copyright 2002(c) Terawins Inc.
// This is an unpublished work.
// --------------------------------------------------------------------------
// >>>>>>>>>>>>>>>>>>>>>>>>>>>> WARRANTEE <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
// --------------------------------------------------------------------------


#ifndef  __TWOWIREPARMS_H__
#define  __TWOWIREPARMS_H__

//#define	TWO_TW_BUS

uCHAR I2CWriteByte  (uCHAR cDevAddr, uCHAR cReg, uCHAR cData);
uCHAR I2CReadByte   (uCHAR cDevAddr, uCHAR cReg);
// Burst Mode Functions
uCHAR twdWr_Burst_A (uCHAR cReg);
//uCHAR twdWr_Burst_D (uCHAR cReg);
void  twdWr_Burst_D (uCHAR cReg);
void  twdWr_Burst_P (void);
BOOL  twdWriteTable(uCHAR cDevAddr, char *pString);
BOOL  I2CWriteBytes(uCHAR cDevAddr, uCHAR cReg, uCHAR cNum, unsigned char *cData);
BOOL  I2CReadBytes(uCHAR cDevAddr, uCHAR cReg, uCHAR *pString, uCHAR cNum);
void  twdDelay      (uWORD wLoops);
void  OSDCfgWr(uCHAR index,uCHAR dat);

#ifdef TV// TV_AVAILABLE
//16Bits IIC
uCHAR TunerReadByte(uCHAR cDevAddr);  //uCHAR cReg)
uCHAR TunerWriteByte(uCHAR cDevAddr, uCHAR cDecH, uCHAR cDecL, uCHAR cData);
#endif

//Define TW702 Device default address
#define TW101  	0x50
#define TW515   0xB8
#define PT2313  0x88
#define EEPBLOCK0	0xA0
#define EEPBLOCK1	0xA2
#define EEPBLOCK2	0xA4
#define EEPBLOCK3	0xA6
#define EEPBLOCK4	0xA8
#define EEPBLOCK5	0xAA
#define EEPBLOCK6	0xAC
#define EEPBLOCK7	0xAE
#define EEPVIDEOBLOCK	0xA0
#define EEPTVBLOCK		0xA8


#ifndef	TWO_TW_BUS
sbit	SDA = P1^7;  //P0^0;
sbit    SCL = P1^6; //P0^1;
//sbit 	SDA = P0^0;
//sbit    SCL = P0^1;

#define Set_SDA2High  SDA = 1
#define Set_SDA2Low   SDA = 0
#define Set_SCL2High  SCL = 1
#define Set_SCL2Low   SCL = 0

#define Set_SDA_High  SDA = 1,SDA = 1
#define Set_SDA_Low   SDA = 0,SDA = 0
#define Set_SCL_High  SCL = 1,SCL = 1
#define Set_SCL_Low   SCL = 0,SCL = 0
/*
#define Set_SDA_High  SDA = 1
#define Set_SDA_Low   SDA = 0
#define Set_SCL_High  SCL = 1
#define Set_SCL_Low   SCL = 0
#define Set_SDA_High  SDA = 1,SDA = 1
#define Set_SDA_Low   SDA = 0,SDA = 0
#define Set_SCL_High  SCL = 1,SCL = 1
#define Set_SCL_Low   SCL = 0,SCL = 0

*/
#define SDA_High      SDA!=0
#define SDA_Low       SDA==0
#define SCL_High      SCL!=0
#define SCL_Low       SCL==0

#else	//define TWO_TW_BUS
static	bit gbTwBusSel = 1;
sbit    SDA1  = P1^7;
sbit    SCL1  = P1^6;
sbit    SDA2  = P2^7;
sbit    SCL2  = P2^6;

#define Set_SDA_High  (gbTwBusSel) ? (SDA1 = 1) : (SDA2 = 1)
#define Set_SDA_Low   (gbTwBusSel) ? (SDA1 = 0) : (SDA2 = 0)
#define Set_SCL_High  (gbTwBusSel) ? (SCL1 = 1) : (SCL2 = 1)
#define Set_SCL_Low   (gbTwBusSel) ? (SCL1 = 0) : (SCL2 = 0)
#define SDA_High      (gbTwBusSel) ? (SDA1!=0 ) : (SDA2!=0 )
#define SDA_Low       (gbTwBusSel) ? (SDA1==0 ) : (SDA2==0 )
#define SCL_High      (gbTwBusSel) ? (SCL1!=0 ) : (SCL2!=0 )
#define SCL_Low       (gbTwBusSel) ? (SCL1==0 ) : (SCL2==0 )



#endif

#define	TWD_SPEED       0x01		//value: 1 (Fastest), 2 (slower), ... N (much slower)
#define	TWD_LONG_TIME	(TWD_SPEED*1)
#define	TWD_SHORT_TIME	(TWD_SPEED*1)

#endif // __TWOWIREPARMS_H__