FreeRTOS/Demo/CORTEX_AT91SAM3U256_IAR/AT91Lib/peripherals/shdwc/shdwc.c

/* ----------------------------------------------------------------------------
 *         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.
 * ----------------------------------------------------------------------------
 */

//------------------------------------------------------------------------------
//         Headers
//------------------------------------------------------------------------------

#include "shdwc.h"
#include <utility/assert.h>
#include <utility/trace.h>
#include <utility/util.h>

//------------------------------------------------------------------------------
//         Global functions
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// Configure the Shut Down  and do it
/// \param rtt_enable
/// \param wk0_mode
/// \param wk0_debounce
//------------------------------------------------------------------------------  
void SHDWC_DoShutDown(
    unsigned char rtt_enable,
    unsigned char wk0_mode,
    unsigned char wk0_debounce
    )
{
    AT91C_BASE_SHDWC->SHDWC_SHMR =  (rtt_enable << 16) | 
                                  wk0_mode | ( (wk0_debounce & 0xF) << 4); 
    
   AT91C_BASE_SHDWC->SHDWC_SHCR = (0xA5 << 24) | 1;
}

//------------------------------------------------------------------------------
/// Get Status
//------------------------------------------------------------------------------  
unsigned int SHDWC_GetStatus(void)
{
    return AT91C_BASE_SHDWC->SHDWC_SHSR;
}