owire.h

freescale i.mx31 BSP CE5.0全部源码

//------------------------------------------------------------------------------
//
//  Copyright (C) 2004, Motorola Inc. All Rights Reserved
//
//------------------------------------------------------------------------------
//
//  Copyright (C) 2004, Freescale Semiconductor, Inc. All Rights Reserved
//  THIS SOURCE CODE IS CONFIDENTIAL AND PROPRIETARY AND MAY NOT
//  BE USED OR DISTRIBUTED WITHOUT THE WRITTEN PERMISSION OF
//  Freescale Semiconductor, Inc.
//
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
//
//  File:  owire.h
//
//  Definitions for One-Wire Driver
//
//------------------------------------------------------------------------------

#ifndef __OWIRE_H__
#define __OWIRE_H__

#ifdef __cplusplus
extern "C" {
#endif

//------------------------------------------------------------------------------
// Defines

// IOCTL to perform a software reset on the OWIRE
#define OWIRE_IOCTL_RESET                  1
// IOCTL to perform the reset sequence with
// reset pulse and presence pulse
#define OWIRE_IOCTL_RESET_PRESENCE_PULSE   2

//------------------------------------------------------------------------------
// Types

//------------------------------------------------------------------------------
// Functions
HANDLE OwireOpenHandle(void);
BOOL OwireCloseHandle(HANDLE);
BOOL OwireReset(HANDLE);
BOOL OwireResetPresencePulse(HANDLE);
BOOL OwireRead(HANDLE, BYTE *, DWORD);
BOOL OwireWrite(HANDLE, BYTE *, DWORD);

#ifdef __cplusplus
}
#endif

#endif   // __OWIRE_H__