diff options
Diffstat (limited to 'sdk-modifications/include/dma.h')
| -rw-r--r-- | sdk-modifications/include/dma.h | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/sdk-modifications/include/dma.h b/sdk-modifications/include/dma.h deleted file mode 100644 index f6ff230..0000000 --- a/sdk-modifications/include/dma.h +++ /dev/null @@ -1,46 +0,0 @@ -#ifndef __DMA_H__ -#define __DMA_H__ - -//register a DMA transfer request -//ch: channel id request, there are 6 channles, -//irq_handler: the DMA interruption handle -//arg: argument to the handle -//mode: DMA mode, such as port width, address increased/fixed, and so on -//type: DMA request type -extern int dma_request(int ch, void (*irq_handler)(unsigned int), unsigned int arg, - unsigned int mode, unsigned int type); - -//start DMA transfer, must request a DMA first -//ch: channel id -//srcAddr: DMA source address -//dstAddr: DMA destination address -//count: DMA transfer count, the total bytes due the mode in dma_request -extern void dma_start(int ch, unsigned int srcAddr, unsigned int dstAddr, - unsigned int count); - -//Stop DMA transfer -extern void dma_stop(int ch); - -//Wait DMA transfer over -extern int dma_wait_finish(int ch); - - -/* - * Copy 'size' bytes from src to dest, in blocks of 32 bytes. - * size is in bytes and must be a multiple of 32. - * Both src and dest must be aligned to 32 bytes. - * Returns 0 on failure, non-zero on success. - */ -extern int dma_copy32Byte(int ch, void *dest, void *src, unsigned int size); -// Blocks of 16 bytes, aligned to 16 bytes -extern int dma_copy16Byte(int ch, void *dest, void *src, unsigned int size); -// Blocks of 4 bytes, aligned to 4 bytes -extern int dma_copy32Bit(int ch, void *dest, void *src, unsigned int size); -// Blocks of 2 bytes, aligned to 2 bytes -extern int dma_copy16Bit(int ch, void *dest, void *src, unsigned int size); -extern int dma_isBusy(int ch); -extern int dma_isFree(int ch); -extern int dma_getFree(void); - -#endif //__DMA_H__ - |