usart Transfer Request prepared by the application upper layer. More...

#include <usart_dma.h>

Data Fields
uint8_t *	pBuff

uint32_t	BuffSize

uint8_t	ChNum

UsartdCallback	callback

void *	pArgument

volatile uint8_t	dmaProgress

LinkedListDescriporView1 *	pLLIview

eXdmadProgState	dmaProgrammingMode

uint16_t	dmaBlockSize

uint8_t	dmaRingBuffer

Detailed Description

usart Transfer Request prepared by the application upper layer.

This structure is sent to the USART_Send or USART_Rcv to start the transfer. At the end of the transfer, the callback is invoked by the interrupt handler.

Field Documentation

◆ BuffSize

uint32_t UsartChannel::BuffSize

Buff size in bytes.

◆ callback

UsartdCallback UsartChannel::callback

Callback function invoked at the end of transfer.

◆ ChNum

uint8_t UsartChannel::ChNum

Dma channel num.

◆ dmaProgress

volatile uint8_t UsartChannel::dmaProgress

flag to indicate the current transfer progress

◆ pArgument

void* UsartChannel::pArgument

Callback arguments.

◆ pBuff

uint8_t* UsartChannel::pBuff

Pointer to the Buffer.

The documentation for this struct was generated from the following file:

bsps/arm/atsam/include/libchip/include/usart_dma.h

Data Fields