RTEMS 6.1-rc2
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xdma_hardware_interface.h
1/* ---------------------------------------------------------------------------- */
2/* Atmel Microcontroller Software Support */
3/* SAM Software Package License */
4/* ---------------------------------------------------------------------------- */
5/* Copyright (c) 2015, Atmel Corporation */
6/* */
7/* All rights reserved. */
8/* */
9/* Redistribution and use in source and binary forms, with or without */
10/* modification, are permitted provided that the following condition is met: */
11/* */
12/* - Redistributions of source code must retain the above copyright notice, */
13/* this list of conditions and the disclaimer below. */
14/* */
15/* Atmel's name may not be used to endorse or promote products derived from */
16/* this software without specific prior written permission. */
17/* */
18/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */
19/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
20/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */
21/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */
22/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
23/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
24/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
25/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
26/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
27/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
28/* ---------------------------------------------------------------------------- */
29
30#ifndef _XDMAD_IF_H
31#define _XDMAD_IF_H
32
33/*----------------------------------------------------------------------------
34 * Includes
35 *----------------------------------------------------------------------------*/
36
37#include "chip.h"
38/*----------------------------------------------------------------------------
39 * Types
40 *----------------------------------------------------------------------------*/
41
43typedef struct _XdmaHardwareInterface {
44 uint8_t bXdmac;
45 uint32_t bPeriphID;
46 uint8_t bTransfer;
47 uint8_t bIfID;
49
50/*----------------------------------------------------------------------------
51 * Exported functions
52 *----------------------------------------------------------------------------*/
53
54extern uint8_t XDMAIF_IsValidatedPeripherOnDma(uint8_t bPeriphID);
55extern uint8_t XDMAIF_Get_ChannelNumber (uint8_t bPeriphID, uint8_t bTransfer);
56
57#endif //#ifndef _XDMAD_IF_H
58
Definition: xdma_hardware_interface.h:43
uint8_t bXdmac
Definition: xdma_hardware_interface.h:44
uint8_t bTransfer
Definition: xdma_hardware_interface.h:46
uint32_t bPeriphID
Definition: xdma_hardware_interface.h:45
uint8_t bIfID
Definition: xdma_hardware_interface.h:47
uint8_t XDMAIF_Get_ChannelNumber(uint8_t bPeriphID, uint8_t bTransfer)
Get peripheral identifier coded for hardware handshaking interface.
Definition: xdma_hardware_interface.c:119
uint8_t XDMAIF_IsValidatedPeripherOnDma(uint8_t bPeriphID)
Check if the given DMAC has associated peripheral identifier coded by the given peripheral.
Definition: xdma_hardware_interface.c:143