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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM21/sercom_dma.h@579:53297373a894, 2015-07-01 (annotated)

Committer:
mbed_official
Date:
Wed Jul 01 09:45:11 2015 +0100
Revision:
579:53297373a894
Synchronized with git revision d5b4d2ab9c47edb4dc5776e7177b0c2263459081



Full URL: https://github.com/mbedmicro/mbed/commit/d5b4d2ab9c47edb4dc5776e7177b0c2263459081/



Initial version of drivers for SAMR21

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 579:53297373a894 1 /* mbed Microcontroller Library
mbed_official 579:53297373a894 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 579:53297373a894 3 *
mbed_official 579:53297373a894 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 579:53297373a894 5 * you may not use this file except in compliance with the License.
mbed_official 579:53297373a894 6 * You may obtain a copy of the License at
mbed_official 579:53297373a894 7 *
mbed_official 579:53297373a894 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 579:53297373a894 9 *
mbed_official 579:53297373a894 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 579:53297373a894 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 579:53297373a894 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 579:53297373a894 13 * See the License for the specific language governing permissions and
mbed_official 579:53297373a894 14 * limitations under the License.
mbed_official 579:53297373a894 15 */
mbed_official 579:53297373a894 16
mbed_official 579:53297373a894 17 #ifndef _SERCOM_DMA_H
mbed_official 579:53297373a894 18 #define _SERCOM_DMA_H
mbed_official 579:53297373a894 19
mbed_official 579:53297373a894 20 #ifdef __cplusplus
mbed_official 579:53297373a894 21 extern "C" {
mbed_official 579:53297373a894 22 #endif
mbed_official 579:53297373a894 23
mbed_official 579:53297373a894 24 #include <compiler.h>
mbed_official 579:53297373a894 25 #include "dma.h"
mbed_official 579:53297373a894 26
mbed_official 579:53297373a894 27
mbed_official 579:53297373a894 28 struct sercom_dma {
mbed_official 579:53297373a894 29 uint8_t tx_channel_id;
mbed_official 579:53297373a894 30 uint8_t rx_channel_id;
mbed_official 579:53297373a894 31 enum dma_status_flags tx_status;
mbed_official 579:53297373a894 32 enum dma_status_flags rx_status;
mbed_official 579:53297373a894 33 };
mbed_official 579:53297373a894 34
mbed_official 579:53297373a894 35 /** Allocate a channel for TX
mbed_official 579:53297373a894 36 *
mbed_official 579:53297373a894 37 * @param[in] sercom_index index of sercom instance
mbed_official 579:53297373a894 38 * @param[out] tx_id pointer to channel id
mbed_official 579:53297373a894 39 * @return allocated channel id
mbed_official 579:53297373a894 40 */
mbed_official 579:53297373a894 41 uint8_t sercom_setup_tx_channel(uint8_t sercom_index, uint8_t *tx_id);
mbed_official 579:53297373a894 42
mbed_official 579:53297373a894 43 /** Allocate a channel for RX
mbed_official 579:53297373a894 44 *
mbed_official 579:53297373a894 45 * @param[in] sercom_index index of sercom instance
mbed_official 579:53297373a894 46 * @param[out] rx_id pointer to channel id
mbed_official 579:53297373a894 47 * @return allocated channel id
mbed_official 579:53297373a894 48 */
mbed_official 579:53297373a894 49 uint8_t sercom_setup_rx_channel(uint8_t sercom_index, uint8_t *rx_id);
mbed_official 579:53297373a894 50
mbed_official 579:53297373a894 51 /** Release DMA channels if allocated
mbed_official 579:53297373a894 52 *
mbed_official 579:53297373a894 53 * @param[in] sercom_index index of sercom instance
mbed_official 579:53297373a894 54 * @return void
mbed_official 579:53297373a894 55 */
mbed_official 579:53297373a894 56 void sercom_release_channel(uint8_t sercom_index);
mbed_official 579:53297373a894 57
mbed_official 579:53297373a894 58 #ifdef __cplusplus
mbed_official 579:53297373a894 59 }
mbed_official 579:53297373a894 60 #endif
mbed_official 579:53297373a894 61
mbed_official 579:53297373a894 62 #endif /* _SERCOM_DMA_H */