Initialization and de-initialization functions

Functions
error_status_t	ll_dma_deinit (dma_regs_t *DMAx, uint32_t channel)
	De-initialize the DMA registers to their default reset values. More...
error_status_t	ll_dma_init (dma_regs_t *DMAx, uint32_t channel, ll_dma_init_t *p_dma_init)
	Initialize the DMA registers according to the specified parameters in p_dma_init. More...
void	ll_dma_struct_init (ll_dma_init_t *p_dma_init)
	Set each field of a ll_dma_init_t type structure to default value. More...

Detailed Description

Function Documentation

ll_dma_deinit()

error_status_t ll_dma_deinit	(	dma_regs_t *	DMAx,
		uint32_t	channel
	)

De-initialize the DMA registers to their default reset values.

Parameters

DMAx	DMAx instance
channel	This parameter can be one of the following values: LL_DMA_CHANNEL_0 LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values

An	error_status_t enumeration value: SUCCESS: DMA registers are de-initialized ERROR: DMA registers are not de-initialized

ll_dma_init()

error_status_t ll_dma_init	(	dma_regs_t *	DMAx,
		uint32_t	channel,
		ll_dma_init_t *	p_dma_init
	)

Initialize the DMA registers according to the specified parameters in p_dma_init.

Parameters

DMAx	DMAx instance
channel	This parameter can be one of the following values: LL_DMA_CHANNEL_0 LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
p_dma_init	pointer to a ll_dma_init_t structure.

Return values

An	error_status_t enumeration value: SUCCESS: DMA registers are initialized ERROR: Not applicable

ll_dma_struct_init()

void ll_dma_struct_init

(

ll_dma_init_t *

p_dma_init

)

Set each field of a ll_dma_init_t type structure to default value.

Parameters

p_dma_init

Pointer to a ll_dma_init_t structure whose fields will be set to default values.

Return values

None