iic.h.txt

iic_at24c03_lc72131_redio用于FM

#ifndef _IIC_H_
#define _IIC_H_
/*
* I2C D-òé
* ′|àí?÷ààDí￡oC51
* °?±?￡o1 è??ú￡o2006-12-13
*
* °?±?￡o2 è??ú￡o2006-12-28
* ê1ó?°?±?2Dè?¨ò?I2C_V2
* ?ü??￡o?°I2CWriteBunch?±·?·¨·??a?°dat?±2?êy?aêy?Yμ??·?°datAdd?±oí?°dat?±￡?è￥3yá?2?êyautoStop
*
* ×÷??￡o??μ?í?<[e-mail]>

* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.  Or, point your browser to
* http://www.gnu.org/copyleft/gpl.html
*/

#include <configure.h>

//#define IIC_MULTI_MATER
//#define I2C_WRITEBYTE_U
//?¨ò?êy?Y?ó?úòy??
#ifndef SDA_I2C_PIN
#define SDA_I2C_PIN (P0^0)
#endif//SDA_I2C_PIN
#ifndef SCL_I2C_PIN
#define SCL_I2C_PIN (P0^1)
#endif//SDA_I2C_PIN

sbit SDA_I2C=SDA_I2C_PIN;
sbit SCL_I2C=SCL_I2C_PIN;
#define IIC_WAITCYCLE 1 //?¨ò?μè′y?y?ùéè±?μ?ê±??


extern bool I2CStart(uint8,bool);			//?°?·′ó?ú1:μ??·2:?á/D′:true=read re:true=3é1|


#ifdef I2C_V2
/***************************************************
D′ò???×??ú′?μ????¨éè±?
add:	éè±?μ??·
datAdd:	êy?Yμ??·
dat:	êy?Yê××??ú????
count:	′?3¤?è
autoStop:=true???ú3é1|?áê?oó2úéúí￡?1D?o?
return:	3é1|D′è?×??úêy
*****************************************************/
uint8 I2CWriteBunch(uint8 add,uint8 datAdd,uint8* dat,uint8 count);

/***************************************************
?áò???×??ú′?′óéè±?
′?·?·¨????2?ó?ìá1?êy?Yμ??·μ?éè±??òá?D??áè?
devAdd:	éè±?μ??·
dat:	êy?Yê××??ú????
count:	′?3¤?è
return:	3é1|?áè?×??úêy
*****************************************************/
uint8 I2CReadStream(uint8 devAdd,uint8* dat,uint8 count);

/***************************************************
?áò???×??ú′?′óéè±?
devAdd:	éè±?μ??·
datAdd:	êy?Yμ??·
dat:	êy?Yê××??ú????
count:	′?3¤?è
return:	3é1|?áè?×??úêy
*****************************************************/
uint8 I2CReadBunch(uint8 devAdd,uint8 datAdd,uint8* dat,uint8 count);


#else//I2C_V2
#ifdef I2C_WRITEBYTE_U
extern bool 		I2CWriteByte(uint8,uint8);			//D′ò???×??úμ????¨éè±? 1:éè±?μ??·2:êy?Y re:true=3é1|
#endif//I2C_WRITEBYTE_U
//D′ò???×??ú′?μ????¨éè±? 1:éè±?μ??· 2:êy?Yê××??ú???? 3￡o′?3¤?è autoStop=true:???ú3é1|?áê?oó2úéúí￡?1D?o? re￡o3é1|D′è?×??úêy
extern uint8	I2CWriteBunch(uint8 add,uint8* dat,uint8 count,bool autoStop);
//extern bool 		ReadByte(uint8 add,uint8* dat);	//?áò???×??ú′óéè±? 1:éè±?μ??·2:êy?Y re:true=3é1|
//?áò???×??ú′?′óéè±?divAdd:éè±?μ??· datAdd:êy?Yê××??úμ??· dat:êy?Yê××??ú???? count￡o′?3¤?è re￡o3é1|?áè?×??úêy
extern uint8	I2CReadBunch(uint8 devAdd,uint8 datAdd,uint8* dat,uint8 count);
#endif//I2C_V2

#endif//_IIC_H_