mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_Atmel/TARGET_SAM_CortexM0P/sercom_dma.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
149:156823d33999 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 15:a81a8d6c1dfe 1 /* mbed Microcontroller Library
mbed_official 15:a81a8d6c1dfe 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 15:a81a8d6c1dfe 3 *
mbed_official 15:a81a8d6c1dfe 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 15:a81a8d6c1dfe 5 * you may not use this file except in compliance with the License.
mbed_official 15:a81a8d6c1dfe 6 * You may obtain a copy of the License at
mbed_official 15:a81a8d6c1dfe 7 *
mbed_official 15:a81a8d6c1dfe 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 15:a81a8d6c1dfe 9 *
mbed_official 15:a81a8d6c1dfe 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 15:a81a8d6c1dfe 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 15:a81a8d6c1dfe 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 15:a81a8d6c1dfe 13 * See the License for the specific language governing permissions and
mbed_official 15:a81a8d6c1dfe 14 * limitations under the License.
mbed_official 15:a81a8d6c1dfe 15 */
mbed_official 15:a81a8d6c1dfe 16
mbed_official 15:a81a8d6c1dfe 17 #ifndef _SERCOM_DMA_H
mbed_official 15:a81a8d6c1dfe 18 #define _SERCOM_DMA_H
mbed_official 15:a81a8d6c1dfe 19
mbed_official 15:a81a8d6c1dfe 20 #ifdef __cplusplus
mbed_official 15:a81a8d6c1dfe 21 extern "C" {
mbed_official 15:a81a8d6c1dfe 22 #endif
mbed_official 15:a81a8d6c1dfe 23
mbed_official 15:a81a8d6c1dfe 24 #include <compiler.h>
mbed_official 15:a81a8d6c1dfe 25 #include "dma.h"
mbed_official 15:a81a8d6c1dfe 26
mbed_official 15:a81a8d6c1dfe 27
mbed_official 15:a81a8d6c1dfe 28 struct sercom_dma {
mbed_official 15:a81a8d6c1dfe 29 uint8_t tx_channel_id;
mbed_official 15:a81a8d6c1dfe 30 uint8_t rx_channel_id;
mbed_official 15:a81a8d6c1dfe 31 enum dma_status_flags tx_status;
mbed_official 15:a81a8d6c1dfe 32 enum dma_status_flags rx_status;
mbed_official 15:a81a8d6c1dfe 33 };
mbed_official 15:a81a8d6c1dfe 34
mbed_official 15:a81a8d6c1dfe 35 /** Allocate a channel for TX
mbed_official 15:a81a8d6c1dfe 36 *
mbed_official 15:a81a8d6c1dfe 37 * @param[in] sercom_index index of sercom instance
mbed_official 15:a81a8d6c1dfe 38 * @param[out] tx_id pointer to channel id
mbed_official 15:a81a8d6c1dfe 39 * @return allocated channel id
mbed_official 15:a81a8d6c1dfe 40 */
mbed_official 15:a81a8d6c1dfe 41 uint8_t sercom_setup_tx_channel(uint8_t sercom_index, uint8_t *tx_id);
mbed_official 15:a81a8d6c1dfe 42
mbed_official 15:a81a8d6c1dfe 43 /** Allocate a channel for RX
mbed_official 15:a81a8d6c1dfe 44 *
mbed_official 15:a81a8d6c1dfe 45 * @param[in] sercom_index index of sercom instance
mbed_official 15:a81a8d6c1dfe 46 * @param[out] rx_id pointer to channel id
mbed_official 15:a81a8d6c1dfe 47 * @return allocated channel id
mbed_official 15:a81a8d6c1dfe 48 */
mbed_official 15:a81a8d6c1dfe 49 uint8_t sercom_setup_rx_channel(uint8_t sercom_index, uint8_t *rx_id);
mbed_official 15:a81a8d6c1dfe 50
mbed_official 15:a81a8d6c1dfe 51 /** Release DMA channels if allocated
mbed_official 15:a81a8d6c1dfe 52 *
mbed_official 15:a81a8d6c1dfe 53 * @param[in] sercom_index index of sercom instance
mbed_official 15:a81a8d6c1dfe 54 * @return void
mbed_official 15:a81a8d6c1dfe 55 */
mbed_official 15:a81a8d6c1dfe 56 void sercom_release_channel(uint8_t sercom_index);
mbed_official 15:a81a8d6c1dfe 57
mbed_official 15:a81a8d6c1dfe 58 #ifdef __cplusplus
mbed_official 15:a81a8d6c1dfe 59 }
mbed_official 15:a81a8d6c1dfe 60 #endif
mbed_official 15:a81a8d6c1dfe 61
mbed_official 64:41a834223ea3 62 #endif /* _SERCOM_DMA_H */