atmel_i2c_ioctl.h

Windows CE documentation and examples from the Windows CE development manuals. There are lots of exa

//-----------------------------------------------------------------------------
//! \addtogroup DRIVERS
//! @{
//!
//  All rights reserved ADENEO SAS 2005
//!
//-----------------------------------------------------------------------------
//! \file		atmel_i2c_ioctl.h
//!
//! \brief		I2C driver iocontrol definitions
//!
//! \if subversion
//!   $URL: http://centaure/svn/interne-ce_bsp_atmel/BRANCHES/CE60/RReflect/PLATFORM/COMMON/SRC/SOC/ATMEL/COMMON/INC/IOCTL/atmel_i2c_ioctl.h $
//!   $Author: ltourlonias $
//!   $Revision: 684 $
//!   $Date: 2007-04-13 05:35:48 -0700 (Fri, 13 Apr 2007) $
//! \endif
//!
//! IOControl used by application for interaction and transaction with the I2C driver
//-----------------------------------------------------------------------------
//! \addtogroup	I2C
//! @{
//!

#ifndef __AT91SAM926X_I2C_IOCTL_H__
#define __AT91SAM926X_I2C_IOCTL_H__

#ifdef __cplusplus
extern "C" {
#endif

// Functions
#define I2C_FUNCTION_READ			2048
#define I2C_FUNCTION_WRITE			2049
#define I2C_FUNCTION_TRANSFERT_RATE	2050
#define I2C_FUNCTION_LOCK			2051
#define I2C_FUNCTION_UNLOCK			2052


// IOControl codes
/*! \def IOCTL_I2C_READ 
	\brief Command code for performing a read on the I2C bus
*/
#define IOCTL_I2C_READ				CTL_CODE(FILE_DEVICE_DATALINK, I2C_FUNCTION_READ, METHOD_BUFFERED, FILE_READ_ACCESS)

/*! \def IOCTL_I2C_WRITE 
	\brief Command code for performing a write on the I2C bus
*/
#define IOCTL_I2C_WRITE				CTL_CODE(FILE_DEVICE_DATALINK, I2C_FUNCTION_WRITE, METHOD_BUFFERED, FILE_WRITE_ACCESS)

/*! \def IOCTL_I2C_TRANSFERT_RATE 
	\brief Command code to set the transfert rate
*/
#define IOCTL_I2C_TRANSFERT_RATE	CTL_CODE(FILE_DEVICE_DATALINK, I2C_FUNCTION_TRANSFERT_RATE, METHOD_BUFFERED, FILE_WRITE_ACCESS)

#define IOCTL_I2C_LOCK				CTL_CODE(FILE_DEVICE_DATALINK, I2C_FUNCTION_LOCK, METHOD_BUFFERED, FILE_WRITE_ACCESS)

#define IOCTL_I2C_UNLOCK			CTL_CODE(FILE_DEVICE_DATALINK, I2C_FUNCTION_UNLOCK, METHOD_BUFFERED, FILE_WRITE_ACCESS)



typedef enum {
	NO_IADR			= 0x0, //!< No internal device address (Byte command protocol)
	ONE_BYTE_IADR	= 0x1,	//!< One-byte internal device address
	TWO_BYTE_IADR	= 0x2,	//!< Two-byte internal device address
	THREE_BYTE_IADR	= 0x3	//!< Three-byte internal device address
} IADDR_SIZE ;

// Structs
/*! \struct T_I2CIOCTL_READ
	\brief Parameter for the IOCTL_I2C_READ command
*/
typedef struct {
	DWORD dwDeviceAddr;			//!< I2C device address
	DWORD dwRegAddress;			//!< I2C internatl device address to read
	IADDR_SIZE eAddressSize;	//!< I2C internal device address size
	BOOL bDisableInterrupt;	//!< Force interrupt to be disabled during the transfer
} T_I2CIOCTL_READ;



/*! \struct T_I2CIOCTL_WRITE
	\brief Parameter for the IOCTL_I2C_WRITE command
*/
typedef struct {
	DWORD dwDeviceAddr;		//!< I2C device address
	DWORD dwRegAddress;		//!< I2C register address to write
	IADDR_SIZE eAddressSize;	//!< I2C internal device address size
	DWORD dwBufferSize;		//!< Quantity of data to send to device
	LPBYTE pBuffer;			//!< Buffer of data to send
	BOOL bDisableInterrupt;	//!< Force interrupt to be disabled during the transfer
} T_I2CIOCTL_WRITE;

#ifdef __cplusplus
}
#endif

#endif // #ifndef __AT91SAM926X_I2C_IOCTL_H__


/* The file has been moved, this is the historique before the movement

// Historique : Revision 1.4  2006/02/15 10:39:10  jjhiblot
// Historique : Added Lock and Unlock IOCTLs
// Historique :
// Historique : Revision 1.3  2005/11/28 15:07:27  sauray
// Historique : Change for C++ compilation
// Historique :
// Historique : Revision 1.2  2005/11/18 15:18:43  jjhiblot
// Historique : Enhanced and fixed doxygen support
// Historique :
// Historique : Revision 1.1  2005/08/02 14:20:29  nbesson
// Historique : Initial Version
// Historique :
// Historique : 
*/


// End of Doxygen group I2C Driver
//! @}
//-----------------------------------------------------------------------------
// End of $URL: http://centaure/svn/interne-ce_bsp_atmel/BRANCHES/CE60/RReflect/PLATFORM/COMMON/SRC/SOC/ATMEL/COMMON/INC/IOCTL/atmel_i2c_ioctl.h $
//-----------------------------------------------------------------------------
//
//! @}