xdma_hardware_interface.c File Reference

#include "chip.h"

Functions
uint8_t	XDMAIF_Get_ChannelNumber (uint8_t bPeriphID, uint8_t bTransfer)
	Get peripheral identifier coded for hardware handshaking interface.
uint8_t	XDMAIF_IsValidatedPeripherOnDma (uint8_t bPeriphID)
	Check if the given DMAC has associated peripheral identifier coded by the given peripheral.

Function Documentation

XDMAIF_Get_ChannelNumber()

uint8_t XDMAIF_Get_ChannelNumber	(	uint8_t	bPeriphID,
		uint8_t	bTransfer
	)

Get peripheral identifier coded for hardware handshaking interface.

Parameters

bDmac	DMA Controller number.
bPeriphID	Peripheral ID.
bTransfer	Transfer type 0: Tx, 1 :Rx.

Returns

0-15 peripheral identifier coded. 0xff : no associated peripheral identifier coded.

XDMAIF_IsValidatedPeripherOnDma()

uint8_t XDMAIF_IsValidatedPeripherOnDma

(

uint8_t

bPeriphID

)

Check if the given DMAC has associated peripheral identifier coded by the given peripheral.

Parameters

bDmac	DMA Controller number.
bPeriphID	Peripheral ID (0xff : memory only).

Returns

1: Is a validated peripheral. 0: no associated peripheral identifier coded.