UsartChannel Struct Reference

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

#include <D:/git/git_canopus_1/softpack/samv7/toolkits/mdk_v71/ARM/examples/Atmel/SAMV71_Xplained_Ultra/libraries/libchip/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

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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.

Definition at line 73 of file usart_dma.h.

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Field Documentation

uint32_t UsartChannel::BuffSize

Buff size in bytes.

Definition at line 77 of file usart_dma.h.

UsartdCallback UsartChannel::callback

Callback function invoked at the end of transfer.

Definition at line 81 of file usart_dma.h.

uint8_t UsartChannel::ChNum

Dma channel num.

Definition at line 79 of file usart_dma.h.

volatile uint8_t UsartChannel::dmaProgress

flag to indicate the current transfer progress

Definition at line 85 of file usart_dma.h.

void* UsartChannel::pArgument

Callback arguments.

Definition at line 83 of file usart_dma.h.

uint8_t* UsartChannel::pBuff

Pointer to the Buffer.

Definition at line 75 of file usart_dma.h.

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

• libraries/libchip/include/usart_dma.h