dma.h File Reference

#include <stdbool.h>
#include "assembly/io.h"

Go to the source code of this file.

Macros
#define	DMA_SINGLE_CHANNEL_MASK_REGISTER   0x0A
#define	DMA_FLIP_FLOP_RESET_REGISTER   0xD8
#define	DMA_START_ADDRESS_REGISTER   0x04
#define	DMA_COUNT_REGISTER_CHANNEL   0x05
#define	DMA_EXTERNAL_PAGE_REGISTER   0x81
#define	DMA_MODE_REGISTER   0x0B

Functions
void	dma_init (uint32_t buffer_address)
void	dma_init_transfer (uint8_t channel, bool read, uint16_t dataLen)
uint8_t *	dma_get_buffer ()

Macro Definition Documentation

DMA_COUNT_REGISTER_CHANNEL

#define DMA_COUNT_REGISTER_CHANNEL   0x05

DMA_EXTERNAL_PAGE_REGISTER

#define DMA_EXTERNAL_PAGE_REGISTER   0x81

DMA_FLIP_FLOP_RESET_REGISTER

#define DMA_FLIP_FLOP_RESET_REGISTER   0xD8

DMA_MODE_REGISTER

#define DMA_MODE_REGISTER   0x0B

DMA_SINGLE_CHANNEL_MASK_REGISTER

#define DMA_SINGLE_CHANNEL_MASK_REGISTER   0x0A

DMA_START_ADDRESS_REGISTER

#define DMA_START_ADDRESS_REGISTER   0x04

Function Documentation

dma_get_buffer()

uint8_t* dma_get_buffer

(

)

dma_init()

void dma_init

(

uint32_t

buffer_address

)

dma_init_transfer()

void dma_init_transfer	(	uint8_t	channel,
		bool	read,
		uint16_t	dataLen
	)