/**
 * @file xmc_pau.c
 * @date 2015-06-20
 *
 * @cond
 *********************************************************************************************************************
 * XMClib v2.1.8 - XMC Peripheral Driver Library 
 *
 * Copyright (c) 2015-2016, Infineon Technologies AG
 * 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 following 
 * disclaimer.                        
 * 
 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following 
 * disclaimer in the documentation and/or other materials provided with the distribution.                       
 * 
 * Neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote 
 * products derived from this software without specific prior written permission.                                           
 *                                                                              
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE  
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.                                                  
 *                                                                              
 * To improve the quality of the software, users are encouraged to share modifications, enhancements or bug fixes with 
 * Infineon Technologies AG dave@infineon.com).                                                          
 *********************************************************************************************************************
 *
 * Change History
 * --------------
 *
 * 2015-02-20:
 *     - Initial <br>
 *      
 * 2015-06-20:
 *     - Removed GetDriverVersion API
 * @endcond 
 *
 */

/**
 *
 * @brief PAU driver for XMC1 microcontroller family.
 *
 */

/*********************************************************************************************************************
 * HEADER FILES
 *********************************************************************************************************************/
#include "xmc_pau.h"

#if defined(PAU)

/**********************************************************************************************************************
 * API IMPLEMENTATION
 *********************************************************************************************************************/

/*
 * Enable peripheral access
 */
void XMC_PAU_EnablePeripheralAccess(XMC_PAU_PERIPHERAL_t peripheral)
{
  uint32_t reg_num;
  
  reg_num = ((uint32_t)peripheral & 0xf0000000U) >> 28U;
  XMC_PAU->PRIVDIS[reg_num] &= (uint32_t)~((uint32_t)peripheral & 0x0fffffffUL);
}

/*
 * Disable peripheral access
 */
void XMC_PAU_DisablePeripheralAccess(XMC_PAU_PERIPHERAL_t peripheral)
{
  uint32_t reg_num;

  reg_num = ((uint32_t)peripheral & 0xf0000000U) >> 28U;
  XMC_PAU->PRIVDIS[reg_num] |= (uint32_t)((uint32_t)peripheral & 0x0fffffffUL);
}

/*
 * Check if peripheral access is enabled 
 */
bool XMC_PAU_IsPeripheralAccessEnabled(XMC_PAU_PERIPHERAL_t peripheral)
{
  uint32_t reg_num;

  reg_num = ((uint32_t)peripheral & 0xf0000000U) >> 28U;
  return (bool)(XMC_PAU->PRIVDIS[reg_num] & ((uint32_t)peripheral & 0x0fffffffUL));
}

/*
 * Check if peripheral is available
 */
bool XMC_PAU_IsPeripheralAvailable(XMC_PAU_PERIPHERAL_t peripheral)
{
  uint32_t reg_num;

  reg_num = ((uint32_t)peripheral & 0xf0000000U) >> 28U;
  return (bool)(XMC_PAU->AVAIL[reg_num] & ((uint32_t)peripheral & 0x0fffffffUL));
}

#endif /* defined(PAU) */