Functions

Functions
dma_id_t	app_dma_init (app_dma_params_t *p_params, app_dma_evt_handler_t evt_handler)
	Initialize the APP DMA DRIVER according to the specified parameters in the app_dma_params_t and app_dma_evt_handler_t. More...
uint16_t	app_dma_deinit (dma_id_t ins_id)
	De-initialize the APP ADC DRIVER peripheral. More...
uint16_t	app_dma_start (dma_id_t id, uint32_t src_address, uint32_t dst_address, uint32_t data_length)
	Start the DMA Transfer. More...
dma_handle_t *	app_dma_get_handle (dma_id_t id)
	Return the DMA handle. More...
uint16_t	app_uart_dma_init (app_uart_params_t *p_params)
	Initialize dma mode of the APP UART DRIVER according to the specified parameters in the app_uart_params_t. More...
uint16_t	app_uart_dma_deinit (app_uart_id_t id)
	De-initialize dma mode of the APP UART peripheral. More...
uint16_t	app_uart_dma_receive_async (app_uart_id_t id, uint8_t *p_data, uint16_t size)
	Receive an amount of data in dma mode. More...
uint16_t	app_uart_dma_transmit_async (app_uart_id_t id, uint8_t *p_data, uint16_t size)
	Send an amount of data in dma mode. More...

Detailed Description

Function Documentation

app_dma_deinit()

uint16_t app_dma_deinit

(

dma_id_t

ins_id

)

De-initialize the APP ADC DRIVER peripheral.

Parameters

[in]

ins_id

Deinitialize DMA channel for a specific ID.

Returns

Result of De-initialization.

app_dma_get_handle()

dma_handle_t* app_dma_get_handle

(

dma_id_t

id

)

Return the DMA handle.

Parameters

[in]

id

DMA Channel ID.

Returns

Pointer to the specified ID's DMA handle.

app_dma_init()

dma_id_t app_dma_init	(	app_dma_params_t *	p_params,
		app_dma_evt_handler_t	evt_handler
	)

Initialize the APP DMA DRIVER according to the specified parameters in the app_dma_params_t and app_dma_evt_handler_t.

Parameters

[in]	p_params	Pointer to app_dma_params_t parameter which contains the configuration information for the specified DMA module.
[in]	evt_handler	DMA user callback function.

Returns

DMA ID

app_dma_start()

uint16_t app_dma_start	(	dma_id_t	id,
		uint32_t	src_address,
		uint32_t	dst_address,
		uint32_t	data_length
	)

Start the DMA Transfer.

Parameters

[in]	id	DMA channel id.
[in]	src_address	The source memory Buffer address
[in]	dst_address	The destination memory Buffer address
[in]	data_length	The length of data to be transferred from source to destination, ranging between 0 and 4095.

app_uart_dma_deinit()

uint16_t app_uart_dma_deinit

(

app_uart_id_t

id

)

De-initialize dma mode of the APP UART peripheral.

Parameters

[in]

id

De-initialize for a specific ID.

Returns

Result of De-initialization.

app_uart_dma_init()

uint16_t app_uart_dma_init

(

app_uart_params_t *

p_params

)

Initialize dma mode of the APP UART DRIVER according to the specified parameters in the app_uart_params_t.

Parameters

[in]

p_params

Pointer to app_uart_params_t parameter which contains the configuration information for the specified UART module.

Returns

Result of initialization.

app_uart_dma_receive_async()

uint16_t app_uart_dma_receive_async	(	app_uart_id_t	id,
		uint8_t *	p_data,
		uint16_t	size
	)

Receive an amount of data in dma mode.

Parameters

[in]	id	which UART module want to receive.
[in]	p_data	Pointer to data buffer.
[in]	size	Amount of data to receive.

Returns

Result of operation.

app_uart_dma_transmit_async()

uint16_t app_uart_dma_transmit_async	(	app_uart_id_t	id,
		uint8_t *	p_data,
		uint16_t	size
	)

Send an amount of data in dma mode.

Parameters

[in]	id	which UART module want to send.
[in]	p_data	Pointer to data buffer.
[in]	size	Amount of data to be sent.

Returns

Result of operation.