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TARGET_SAMD21G18A/TARGET_Atmel/TARGET_SAM_CortexM0P/sercom_dma.h@147:a97add6d7e64, 2017-07-19 (annotated)

Committer:
Kojto
Date:
Wed Jul 19 16:46:19 2017 +0100
Revision:
147:a97add6d7e64
Parent:
114:252557024ec3 
Release 147 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 111:4336505e4b1c 1 /* mbed Microcontroller Library
Kojto 111:4336505e4b1c 2 * Copyright (c) 2006-2015 ARM Limited
Kojto 111:4336505e4b1c 3 *
Kojto 111:4336505e4b1c 4 * Licensed under the Apache License, Version 2.0 (the "License");
Kojto 111:4336505e4b1c 5 * you may not use this file except in compliance with the License.
Kojto 111:4336505e4b1c 6 * You may obtain a copy of the License at
Kojto 111:4336505e4b1c 7 *
Kojto 111:4336505e4b1c 8 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 111:4336505e4b1c 9 *
Kojto 111:4336505e4b1c 10 * Unless required by applicable law or agreed to in writing, software
Kojto 111:4336505e4b1c 11 * distributed under the License is distributed on an "AS IS" BASIS,
Kojto 111:4336505e4b1c 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 111:4336505e4b1c 13 * See the License for the specific language governing permissions and
Kojto 111:4336505e4b1c 14 * limitations under the License.
Kojto 111:4336505e4b1c 15 */
Kojto 111:4336505e4b1c 16
Kojto 111:4336505e4b1c 17 #ifndef _SERCOM_DMA_H
Kojto 111:4336505e4b1c 18 #define _SERCOM_DMA_H
Kojto 111:4336505e4b1c 19
Kojto 111:4336505e4b1c 20 #ifdef __cplusplus
Kojto 111:4336505e4b1c 21 extern "C" {
Kojto 111:4336505e4b1c 22 #endif
Kojto 111:4336505e4b1c 23
Kojto 111:4336505e4b1c 24 #include <compiler.h>
Kojto 111:4336505e4b1c 25 #include "dma.h"
Kojto 111:4336505e4b1c 26
Kojto 111:4336505e4b1c 27
Kojto 111:4336505e4b1c 28 struct sercom_dma {
Kojto 111:4336505e4b1c 29 uint8_t tx_channel_id;
Kojto 111:4336505e4b1c 30 uint8_t rx_channel_id;
Kojto 111:4336505e4b1c 31 enum dma_status_flags tx_status;
Kojto 111:4336505e4b1c 32 enum dma_status_flags rx_status;
Kojto 111:4336505e4b1c 33 };
Kojto 111:4336505e4b1c 34
Kojto 111:4336505e4b1c 35 /** Allocate a channel for TX
Kojto 111:4336505e4b1c 36 *
Kojto 111:4336505e4b1c 37 * @param[in] sercom_index index of sercom instance
Kojto 111:4336505e4b1c 38 * @param[out] tx_id pointer to channel id
Kojto 111:4336505e4b1c 39 * @return allocated channel id
Kojto 111:4336505e4b1c 40 */
Kojto 111:4336505e4b1c 41 uint8_t sercom_setup_tx_channel(uint8_t sercom_index, uint8_t *tx_id);
Kojto 111:4336505e4b1c 42
Kojto 111:4336505e4b1c 43 /** Allocate a channel for RX
Kojto 111:4336505e4b1c 44 *
Kojto 111:4336505e4b1c 45 * @param[in] sercom_index index of sercom instance
Kojto 111:4336505e4b1c 46 * @param[out] rx_id pointer to channel id
Kojto 111:4336505e4b1c 47 * @return allocated channel id
Kojto 111:4336505e4b1c 48 */
Kojto 111:4336505e4b1c 49 uint8_t sercom_setup_rx_channel(uint8_t sercom_index, uint8_t *rx_id);
Kojto 111:4336505e4b1c 50
Kojto 111:4336505e4b1c 51 /** Release DMA channels if allocated
Kojto 111:4336505e4b1c 52 *
Kojto 111:4336505e4b1c 53 * @param[in] sercom_index index of sercom instance
Kojto 111:4336505e4b1c 54 * @return void
Kojto 111:4336505e4b1c 55 */
Kojto 111:4336505e4b1c 56 void sercom_release_channel(uint8_t sercom_index);
Kojto 111:4336505e4b1c 57
Kojto 111:4336505e4b1c 58 #ifdef __cplusplus
Kojto 111:4336505e4b1c 59 }
Kojto 111:4336505e4b1c 60 #endif
Kojto 111:4336505e4b1c 61
Kojto 114:252557024ec3 62 #endif /* _SERCOM_DMA_H */