arduino/esp8266
1
0
Fork 0
mirror of https://github.com/esp8266/Arduino.git synced 2025-08-14 08:03:09 +03:00
Code Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

74
hardware/sam/system/libsam/source/pio.c
View File

@@ -50,7 +50,13 @@ extern void PIO_PullUp( Pio *pPio, const uint32_t dwMask, const uint32_t dwPullU
*/
extern void PIO_SetDebounceFilter( Pio* pPio, const uint32_t dwMask, const uint32_t dwCuttOff )
{
#if (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_)
pPio->PIO_IFSCER = dwMask ; /* set Debouncing, 0 bit field no effect */
#elif (defined _SAM3XA_) || (defined _SAM3U_)
pPio->PIO_DIFSR = dwMask ; /* set Debouncing, 0 bit field no effect */
#else
#error "The specified chip is not supported."
#endif
pPio->PIO_SCDR = ((32678/(2*(dwCuttOff))) - 1) & 0x3FFF; /* the lowest 14 bits work */
}
@@ -121,7 +127,7 @@ extern void PIO_Clear( Pio* pPio, const uint32_t dwMask )
*/
extern void PIO_SetPeripheral( Pio* pPio, EPioType dwType, uint32_t dwMask )
{
uint32_t dwABCDSR ;
uint32_t dwSR ;
/* Disable interrupts on the pin(s) */
pPio->PIO_IDR = dwMask ;
@@ -129,36 +135,52 @@ extern void PIO_SetPeripheral( Pio* pPio, EPioType dwType, uint32_t dwMask )
switch ( dwType )
{
case PIO_PERIPH_A :
dwABCDSR = pPio->PIO_ABCDSR[0] ;
pPio->PIO_ABCDSR[0] &= (~dwMask & dwABCDSR) ;
#if (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_)
dwSR = pPio->PIO_ABCDSR[0] ;
pPio->PIO_ABCDSR[0] &= (~dwMask & dwSR) ;
dwABCDSR = pPio->PIO_ABCDSR[1];
pPio->PIO_ABCDSR[1] &= (~dwMask & dwABCDSR) ;
dwSR = pPio->PIO_ABCDSR[1];
pPio->PIO_ABCDSR[1] &= (~dwMask & dwSR) ;
#endif /* (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_) */
#if (defined _SAM3U_) || (defined _SAM3XA_)
dwSR = pPio->PIO_ABSR ;
pPio->PIO_ABSR &= (~dwMask & dwSR) ;
#endif /* (defined _SAM3U_) || (defined _SAM3XA_) */
break ;
case PIO_PERIPH_B :
dwABCDSR = pPio->PIO_ABCDSR[0] ;
pPio->PIO_ABCDSR[0] = (dwMask | dwABCDSR) ;
#if (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_)
dwSR = pPio->PIO_ABCDSR[0] ;
pPio->PIO_ABCDSR[0] = (dwMask | dwSR) ;
dwABCDSR = pPio->PIO_ABCDSR[1] ;
pPio->PIO_ABCDSR[1] &= (~dwMask & dwABCDSR) ;
dwSR = pPio->PIO_ABCDSR[1] ;
pPio->PIO_ABCDSR[1] &= (~dwMask & dwSR) ;
#endif /* (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_) */
#if (defined _SAM3U_) || (defined _SAM3XA_)
dwSR = pPio->PIO_ABSR ;
pPio->PIO_ABSR = (dwMask | dwSR) ;
#endif /* (defined _SAM3U_) || (defined _SAM3XA_) */
break ;
#if (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_)
case PIO_PERIPH_C :
dwABCDSR = pPio->PIO_ABCDSR[0] ;
pPio->PIO_ABCDSR[0] &= (~dwMask & dwABCDSR) ;
dwSR = pPio->PIO_ABCDSR[0] ;
pPio->PIO_ABCDSR[0] &= (~dwMask & dwSR) ;
dwABCDSR = pPio->PIO_ABCDSR[1] ;
pPio->PIO_ABCDSR[1] = (dwMask | dwABCDSR) ;
dwSR = pPio->PIO_ABCDSR[1] ;
pPio->PIO_ABCDSR[1] = (dwMask | dwSR) ;
break ;
case PIO_PERIPH_D :
dwABCDSR = pPio->PIO_ABCDSR[0] ;
pPio->PIO_ABCDSR[0] = (dwMask | dwABCDSR) ;
dwSR = pPio->PIO_ABCDSR[0] ;
pPio->PIO_ABCDSR[0] = (dwMask | dwSR) ;
dwABCDSR = pPio->PIO_ABCDSR[1] ;
pPio->PIO_ABCDSR[1] = (dwMask | dwABCDSR) ;
dwSR = pPio->PIO_ABCDSR[1] ;
pPio->PIO_ABCDSR[1] = (dwMask | dwSR) ;
break ;
#endif /* (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_) */
// other types are invalid in this function
case PIO_INPUT :
@@ -196,6 +218,7 @@ extern void PIO_SetInput( Pio* pPio, uint32_t dwMask, uint32_t dwAttribute )
}
/* Enable de-glitch or de-bounce if necessary */
#if (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_)
if ( dwAttribute & PIO_DEGLITCH )
{
pPio->PIO_IFSCDR = dwMask ;
@@ -207,6 +230,21 @@ extern void PIO_SetInput( Pio* pPio, uint32_t dwMask, uint32_t dwAttribute )
pPio->PIO_IFSCER = dwMask ;
}
}
#elif (defined _SAM3U_) || (defined _SAM3XA_)
if ( dwAttribute & PIO_DEGLITCH )
{
pPio->PIO_SCIFSR = dwMask ;
}
else
{
if ( dwAttribute & PIO_DEBOUNCE )
{
pPio->PIO_SCIFSR = dwMask ;
}
}
#else
#error "The specified chip is not supported."
#endif
/* Configure pin as input */
pPio->PIO_ODR = dwMask ;
@@ -266,8 +304,10 @@ extern uint32_t PIO_Configure( Pio* pPio, const EPioType dwType, const uint32_t
{
case PIO_PERIPH_A :
case PIO_PERIPH_B :
#if (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_)
case PIO_PERIPH_C :
case PIO_PERIPH_D :
#endif /* (defined _SAM3S_) || (defined _SAM3S8_) || (defined _SAM3N_) */
/* Put the pin under control of peripheral */
PIO_SetPeripheral( pPio, dwType, dwMask ) ;
/* Disable interrupts on the pin(s) */