softi2c.h

来自「这同样是FS8610相关的代码.看起来不错啊.」· C头文件 代码 · 共 56 行

/*
**********************************************************************************************
* File:		i2c.h
* Contents: 
*           The i2c  module interface head file for FS8806
*
* Copyright (c) 2006 Fameg, Inc. All rights reserved
***********************************************************************************************
*/


#ifndef _SOFTIIC_H_
#define _SOFTIIC_H_

#include "kernel/system.h"
#include "hw/delay.h"
#include "user_config.h"

#if INCLUDE_FS8806

/* Define IIC communication PIN with GPIO */
#if 1	//T4 test board
sbit   SDA  = P2^0;
sbit   SCL  = P2^1;
sbit   SDOUT= P2^2;
sbit   SS_N = P2^3;
sbit   RST  = P2^4;  
#else	//T4 development board, TBD
sbit   SDA  = P2^0;
sbit   SCL  = P2^1;
sbit   SDOUT= P2^2;
sbit   SS_N = P2^3;
sbit   RST  = P2^4;  
#endif

/* Define IIC SCL/SDA PIN operations */
#define   WritePinSCL() SCL=1
#define   ClearPinSCL() SCL=0
#define   SetSDAin() 
#define   SetSDAout()
#define   WritePinSDA() SDA=1
#define   ClearPinSDA() SDA=0
#define   ReadPinSDA()  SDA	
#define   InitReadAck() SDA=1

/* Declare external global variable */
extern BYTE  BusSlvAdr;     //default I2c bus slave address for communiction
           
/* Global function prototype declaration */                            
void I2c_Init(BYTE SlvAdr, BOOL isHigh);     
BYTE I2c_SendStr(BYTE sla, BYTE *s, WORD len);
BYTE I2c_RcvStr(BYTE sla, BYTE *s, WORD len);

#endif
#endif