Subversion Repositories openrisc_2011-10-31

/* ----------------------------------------------------------------------------
 *         ATMEL Microcontroller Software Support 
 * ----------------------------------------------------------------------------
 * Copyright (c) 2008, Atmel Corporation
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Atmel's name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ----------------------------------------------------------------------------
 */
 
//------------------------------------------------------------------------------
/// \dir
/// !Purpose
/// 
/// This module provides definitions and functions for using the DBGU.
///
/// !Usage
/// 
/// -# Enable the DBGU pins (see pio.h).
/// -# Configure the DBGU using DBGU_Configure.
///
/// \note Unless specified, all the functions defined here operate synchronously;
/// i.e. they all wait the data is sent/received before returning.
//------------------------------------------------------------------------------
 
#ifndef DBGU_H
#define DBGU_H
 
//------------------------------------------------------------------------------
//         Definitions
//------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------
/// \page Modes
/// This page lists several common operating modes for the DBGU.
/// !Modes
/// - DBGU_STANDARD
 
/// Standard operating mode (asynchronous, 8bit, no parity)
#define DBGU_STANDARD           AT91C_US_PAR_NONE
//------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------
//      Exported functions
//------------------------------------------------------------------------------
extern void DBGU_Configure(unsigned int mode,
                           unsigned int baudrate,
                           unsigned int mck);
 
extern unsigned char DBGU_GetChar();
 
#endif //#ifndef DBGU_H