Kenji Arai / mbed-os_TYBLE16

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Dependents:   TYBLE16_simple_data_logger TYBLE16_MP3_Air

hal/dma_api.h@1:9db0e321a9f4, 2019-12-31 (annotated)

Committer:
kenjiArai
Date:
Tue Dec 31 06:02:27 2019 +0000
Revision:
1:9db0e321a9f4
Parent:
0:5b88d5760320 
updated based on mbed-os5.15.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 0:5b88d5760320 1
kenjiArai 0:5b88d5760320 2 /** \addtogroup hal */
kenjiArai 0:5b88d5760320 3 /** @{*/
kenjiArai 0:5b88d5760320 4 /* mbed Microcontroller Library
kenjiArai 0:5b88d5760320 5 * Copyright (c) 2014-2015 ARM Limited
kenjiArai 0:5b88d5760320 6 * SPDX-License-Identifier: Apache-2.0
kenjiArai 0:5b88d5760320 7 *
kenjiArai 0:5b88d5760320 8 * Licensed under the Apache License, Version 2.0 (the "License");
kenjiArai 0:5b88d5760320 9 * you may not use this file except in compliance with the License.
kenjiArai 0:5b88d5760320 10 * You may obtain a copy of the License at
kenjiArai 0:5b88d5760320 11 *
kenjiArai 0:5b88d5760320 12 * http://www.apache.org/licenses/LICENSE-2.0
kenjiArai 0:5b88d5760320 13 *
kenjiArai 0:5b88d5760320 14 * Unless required by applicable law or agreed to in writing, software
kenjiArai 0:5b88d5760320 15 * distributed under the License is distributed on an "AS IS" BASIS,
kenjiArai 0:5b88d5760320 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kenjiArai 0:5b88d5760320 17 * See the License for the specific language governing permissions and
kenjiArai 0:5b88d5760320 18 * limitations under the License.
kenjiArai 0:5b88d5760320 19 */
kenjiArai 0:5b88d5760320 20 #ifndef MBED_DMA_API_H
kenjiArai 0:5b88d5760320 21 #define MBED_DMA_API_H
kenjiArai 0:5b88d5760320 22
kenjiArai 0:5b88d5760320 23 #include <stdint.h>
kenjiArai 0:5b88d5760320 24
kenjiArai 0:5b88d5760320 25 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
kenjiArai 0:5b88d5760320 26
kenjiArai 0:5b88d5760320 27 typedef enum {
kenjiArai 0:5b88d5760320 28 DMA_USAGE_NEVER,
kenjiArai 0:5b88d5760320 29 DMA_USAGE_OPPORTUNISTIC,
kenjiArai 0:5b88d5760320 30 DMA_USAGE_ALWAYS,
kenjiArai 0:5b88d5760320 31 DMA_USAGE_TEMPORARY_ALLOCATED,
kenjiArai 0:5b88d5760320 32 DMA_USAGE_ALLOCATED
kenjiArai 0:5b88d5760320 33 } DMAUsage;
kenjiArai 0:5b88d5760320 34
kenjiArai 0:5b88d5760320 35 #ifdef __cplusplus
kenjiArai 0:5b88d5760320 36 extern "C" {
kenjiArai 0:5b88d5760320 37 #endif
kenjiArai 0:5b88d5760320 38
kenjiArai 0:5b88d5760320 39 void dma_init(void);
kenjiArai 0:5b88d5760320 40
kenjiArai 0:5b88d5760320 41 int dma_channel_allocate(uint32_t capabilities);
kenjiArai 0:5b88d5760320 42
kenjiArai 0:5b88d5760320 43 int dma_channel_free(int channelid);
kenjiArai 0:5b88d5760320 44
kenjiArai 0:5b88d5760320 45 #ifdef __cplusplus
kenjiArai 0:5b88d5760320 46 }
kenjiArai 0:5b88d5760320 47 #endif
kenjiArai 0:5b88d5760320 48
kenjiArai 0:5b88d5760320 49 #endif
kenjiArai 0:5b88d5760320 50
kenjiArai 0:5b88d5760320 51 /** @}*/