libtonc: DMA

Tonclib

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DMA

Defines

#define DMA_TRANSFER(_dst, _src, count, ch, mode)
 General purpose DMA transfer macro.

Functions

INLINE void dma_cpy (void *dst, const void *src, uint count, uint ch, u32 mode)
 Generic DMA copy routine.
INLINE void dma_fill (void *dst, volatile u32 src, uint count, uint ch, u32 mode)
 Generic DMA fill routine.
INLINE void dma3_cpy (void *dst, const void *src, uint size)
 Specific DMA copier, using channel 3, word transfers.
INLINE void dma3_fill (void *dst, volatile u32 src, uint size)
 Specific DMA filler, using channel 3, word transfers.

Detailed Description

Define Documentation

#define DMA_TRANSFER ( _dst,
_src,
count,
ch,
mode   ) 

Value:

do {                                        \
    REG_DMA[ch].cnt= 0;                     \
    REG_DMA[ch].src= (const void*)(_src);   \
    REG_DMA[ch].dst= (void*)(_dst);         \
    REG_DMA[ch].cnt= (count) | (mode);      \
} while(0)
General purpose DMA transfer macro.

Parameters:
_dst Destination address.
_src Source address.
count Number of transfers.
ch DMA channel.
mode DMA mode.

Function Documentation

INLINE void dma3_cpy ( void *  dst,
const void *  src,
uint  size 
)

Specific DMA copier, using channel 3, word transfers.

Parameters:
dst Destination address.
src Source address.
size Number of bytes to copy
Note:
size is the number of bytes

INLINE void dma3_fill ( void *  dst,
volatile u32  src,
uint  size 
)

Specific DMA filler, using channel 3, word transfers.

Parameters:
dst Destination address.
src Source value.
size Number of bytes to copy
Note:
size is the number of bytes

INLINE void dma_cpy ( void *  dst,
const void *  src,
uint  count,
uint  ch,
u32  mode 
)

Generic DMA copy routine.

Parameters:
dst Destination address.
src Source address.
count Number of copies to perform.
ch DMA channel.
mode DMA transfer mode.
Note:
count is the number of copies, not the size in bytes.

INLINE void dma_fill ( void *  dst,
volatile u32  src,
uint  count,
uint  ch,
u32  mode 
)

Generic DMA fill routine.

Parameters:
dst Destination address.
src Source value.
count Number of copies to perform.
ch DMA channel.
mode DMA transfer mode.
Note:
count is the number of copies, not the size in bytes.

Generated on Mon Aug 25 17:03:56 2008 for libtonc by  doxygen 1.5.3

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