i2c.h

本程序为ST公司开发的源代码

/**************************************************
 *
 * i2c.h
 *
 * CVS ID:   $Id: i2c.h,v 1.8 2007/05/02 12:42:33 belardi Exp $
 * Author:   Raffaele Belardi [RB] - STM
 * Date:     $Date: 2007/05/02 12:42:33 $
 * Revision: $Revision: 1.8 $
 * 
 * Description:
 * 
 ***************************************************
 * 
 * COPYRIGHT (C) ST Microelectronics  2005
 *            All Rights Reserved
 *
 ***************************************************
 *
 * STM CVS Log:
 *
 * $Log: i2c.h,v $
 * Revision 1.8  2007/05/02 12:42:33  belardi
 * Removed unused field in I2C flags
 * New function prototype
 *
 * Revision 1.7  2006/11/30 11:02:53  belardi
 * Removed unused CIS_0_05 definitions
 *
 * Revision 1.6  2006/09/18 09:55:23  belardi
 * Corrected CVS keyword usage
 *
 * Revision 1.5  2006/09/18 09:24:13  belardi
 * Added Log CVS keyword into file header
 *
 *
 ***************************************************/
#ifndef _I2C_INCLUDED_
#define _I2C_INCLUDED_

#define I2C_SLAVE_ADDRESS  0xE0

/* Default size of Link Layer frame, can be lowered by HostIF command */
#define DEFAULT_MAX_I2C_FRAME_SIZE 60

typedef struct
{
 UInt tx_msg_done : 1;
 UInt af     :1;
 UInt i2c_rx_ready: 1;
 UInt i2c_tx_ready:1 ;
 UInt i2c_new_cmd: 1;
 UInt     : 27;
}I2C_FLAGS_STRUCT;

extern I2C_FLAGS_STRUCT i2c_flags;

extern char i2c_irq_rx_buffer[DEFAULT_MAX_I2C_FRAME_SIZE];
extern uint16 i2c_irq_rx_buffer_idx;
extern char i2c_irq_tx_buffer[DEFAULT_MAX_I2C_FRAME_SIZE];
extern uint16 i2c_irq_tx_buffer_idx;

void i2c_soft_reset(void);
void i2c_soft_reset_tx(void);
void i2c_init(void);

#endif