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[sam] PIO and PMC drivers adapted to enable SAM3U compilation, makefiles prepared for SAM3U-EK and Due

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This commit is contained in:
Thibaut VIARD
2011-09-12 18:01:48 +02:00
parent 5d92281c3c
commit bc253722a6
9 changed files with 137 additions and 72 deletions
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104
hardware/sam/system/libsam/source/pmc.c
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@@ -31,6 +31,7 @@
*/
extern void PMC_EnablePeripheral( uint32_t dwId )
{
#if (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3XA_)
assert( dwId < 35 ) ;
if ( dwId < 32 )
@@ -56,6 +57,14 @@ extern void PMC_EnablePeripheral( uint32_t dwId )
PMC->PMC_PCER1 = 1 << dwId ;
}
}
#elif (defined _SAM3N_) || (defined _SAM3U_)
if ( (PMC->PMC_PCSR & ((uint32_t)1 << dwId)) != ((uint32_t)1 << dwId) )
{
PMC->PMC_PCER = 1 << dwId ;
}
#else
#error "The specified chip is not supported."
#endif
}
/**
@@ -68,15 +77,12 @@ extern void PMC_EnablePeripheral( uint32_t dwId )
*/
extern void PMC_DisablePeripheral( uint32_t dwId )
{
#if (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3XA_)
assert( dwId < 35 ) ;
if ( dwId < 32 )
{
if ( (PMC->PMC_PCSR0 & ((uint32_t)1 << dwId)) != ((uint32_t)1 << dwId) )
{
// TRACE_DEBUG("PMC_DisablePeripheral: clock of peripheral" " %u is not enabled\n\r", dwId ) ;
}
else
if ( (PMC->PMC_PCSR0 & ((uint32_t)1 << dwId)) == ((uint32_t)1 << dwId) )
{
PMC->PMC_PCDR0 = 1 << dwId ;
}
@@ -84,59 +90,69 @@ extern void PMC_DisablePeripheral( uint32_t dwId )
else
{
dwId -= 32 ;
if ( (PMC->PMC_PCSR1 & ((uint32_t)1 << dwId)) != ((uint32_t)1 << dwId) )
{
// TRACE_DEBUG( "PMC_DisablePeripheral: clock of peripheral" " %u is not enabled\n\r", dwId + 32 ) ;
}
else
if ( (PMC->PMC_PCSR1 & ((uint32_t)1 << dwId)) == ((uint32_t)1 << dwId) )
{
PMC->PMC_PCDR1 = 1 << dwId ;
}
}
#elif (defined _SAM3N_) || (defined _SAM3U_)
if ( (PMC->PMC_PCSR & ((uint32_t)1 << dwId)) == ((uint32_t)1 << dwId) )
{
PMC->PMC_PCDR = 1 << dwId ;
}
#else
#error "The specified chip is not supported."
#endif
}
/**
* \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 ) ;
// TRACE_DEBUG( "Enable all periph clocks\n\r" ) ;
}
/**
* \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 ) ;
// TRACE_DEBUG( "Disable all periph clocks\n\r" ) ;
}
/**
* \brief Get Periph Status for the given peripheral ID.
* \brief Get the status of the specified peripheral clock.
*
* \param id Peripheral ID (ID_xxx).
* \note The ID must NOT be shifted (i.e. 1 << ID_xxx).
*
* \param dwId Peripheral ID (ID_xxx).
*
* \retval 0 Clock is active.
* \retval 1 Clock is inactive.
* \retval 2 Invalid parameter.
*/
extern uint32_t PMC_IsPeriphEnabled( uint32_t dwId )
extern uint32_t PMC_IsPeripheralEnabled( uint32_t dwId )
{
#if (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3XA_)
assert( dwId < 35 ) ;
if ( dwId < 32 )
{
return ( PMC->PMC_PCSR0 & (1 << dwId) ) ;
if ( PMC->PMC_PCSR0 & (1 << dwId) )
{
return 0 ;
}
else
{
return 1 ;
}
}
else {
return ( PMC->PMC_PCSR1 & (1 << (dwId - 32)) ) ;
else
{
if ( PMC->PMC_PCSR1 & (1 << (dwId - 32)) )
{
return 0 ;
}
else
{
return 1 ;
}
}
#elif (defined _SAM3N_) || (defined _SAM3U_)
if ( (PMC->PMC_PCSR & ((uint32_t)1 << dwId)) )
{
return 0 ;
}
else
{
return 1 ;
}
#else
#error "The specified chip is not supported."
#endif
}