/* ---------------------------------------------------------------------------- | |
* ATMEL Microcontroller Software Support | |
* ---------------------------------------------------------------------------- | |
* Copyright (c) 2009, 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 "chip.h" | |
#include <assert.h> | |
/*---------------------------------------------------------------------------- | |
* Local definitions | |
*----------------------------------------------------------------------------*/ | |
#define MASK_STATUS0 0xFFFFFFFC | |
#define MASK_STATUS1 0xFFFFFFFF | |
/*---------------------------------------------------------------------------- | |
* Exported functions | |
*----------------------------------------------------------------------------*/ | |
/** | |
* \brief Enables the clock of a peripheral. The peripheral ID is used | |
* to identify which peripheral is targetted. | |
* | |
* \note The ID must NOT be shifted (i.e. 1 << ID_xxx). | |
* | |
* \param id Peripheral ID (ID_xxx). | |
*/ | |
extern void PMC_EnablePeripheral( uint32_t dwId ) | |
{ | |
assert( dwId < 35 ) ; | |
if ( dwId < 32 ) | |
{ | |
if ( (PMC->PMC_PCSR0 & ((uint32_t)1 << dwId)) == ((uint32_t)1 << dwId) ) | |
{ | |
} | |
else | |
{ | |
PMC->PMC_PCER0 = 1 << dwId ; | |
} | |
} | |
else | |
{ | |
dwId -= 32; | |
if ((PMC->PMC_PCSR1 & ((uint32_t)1 << dwId)) == ((uint32_t)1 << dwId)) | |
{ | |
} | |
else | |
{ | |
PMC->PMC_PCER1 = 1 << dwId ; | |
} | |
} | |
} | |
/** | |
* \brief Disables the clock of a peripheral. The peripheral ID is used | |
* to identify which peripheral is targetted. | |
* | |
* \note The ID must NOT be shifted (i.e. 1 << ID_xxx). | |
* | |
* \param id Peripheral ID (ID_xxx). | |
*/ | |
extern void PMC_DisablePeripheral( uint32_t dwId ) | |
{ | |
assert( dwId < 35 ) ; | |
if ( dwId < 32 ) | |
{ | |
if ( (PMC->PMC_PCSR0 & ((uint32_t)1 << dwId)) != ((uint32_t)1 << dwId) ) | |
{ | |
} | |
else | |
{ | |
PMC->PMC_PCDR0 = 1 << dwId ; | |
} | |
} | |
else | |
{ | |
dwId -= 32 ; | |
if ( (PMC->PMC_PCSR1 & ((uint32_t)1 << dwId)) != ((uint32_t)1 << dwId) ) | |
{ | |
} | |
else | |
{ | |
PMC->PMC_PCDR1 = 1 << dwId ; | |
} | |
} | |
} | |
/** | |
* \brief Enable all the periph clock via PMC. | |
*/ | |
extern void PMC_EnableAllPeripherals( void ) | |
{ | |
PMC->PMC_PCER0 = MASK_STATUS0 ; | |
while ( (PMC->PMC_PCSR0 & MASK_STATUS0) != MASK_STATUS0 ) ; | |
PMC->PMC_PCER1 = MASK_STATUS1 ; | |
while ( (PMC->PMC_PCSR1 & MASK_STATUS1) != MASK_STATUS1 ) ; | |
} | |
/** | |
* \brief Disable all the periph clock via PMC. | |
*/ | |
extern void PMC_DisableAllPeripherals( void ) | |
{ | |
PMC->PMC_PCDR0 = MASK_STATUS0 ; | |
while ( (PMC->PMC_PCSR0 & MASK_STATUS0) != 0 ) ; | |
PMC->PMC_PCDR1 = MASK_STATUS1 ; | |
while ( (PMC->PMC_PCSR1 & MASK_STATUS1) != 0 ) ; | |
} | |
/** | |
* \brief Get Periph Status for the given peripheral ID. | |
* | |
* \param id Peripheral ID (ID_xxx). | |
*/ | |
extern uint32_t PMC_IsPeriphEnabled( uint32_t dwId ) | |
{ | |
assert( dwId < 35 ) ; | |
if ( dwId < 32 ) | |
{ | |
return ( PMC->PMC_PCSR0 & (1 << dwId) ) ; | |
} | |
else { | |
return ( PMC->PMC_PCSR1 & (1 << (dwId - 32)) ) ; | |
} | |
} |