BA / Mbed OS BaBoRo_test2

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mbed-os/hal/dma_api.h@0:02dd72d1d465, 2018-04-24 (annotated)

Committer:
borlanic
Date:
Tue Apr 24 11:45:18 2018 +0000
Revision:
0:02dd72d1d465
BaBoRo_test2 - backup 1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
borlanic 0:02dd72d1d465 1
borlanic 0:02dd72d1d465 2 /** \addtogroup hal */
borlanic 0:02dd72d1d465 3 /** @{*/
borlanic 0:02dd72d1d465 4 /* mbed Microcontroller Library
borlanic 0:02dd72d1d465 5 * Copyright (c) 2014-2015 ARM Limited
borlanic 0:02dd72d1d465 6 *
borlanic 0:02dd72d1d465 7 * Licensed under the Apache License, Version 2.0 (the "License");
borlanic 0:02dd72d1d465 8 * you may not use this file except in compliance with the License.
borlanic 0:02dd72d1d465 9 * You may obtain a copy of the License at
borlanic 0:02dd72d1d465 10 *
borlanic 0:02dd72d1d465 11 * http://www.apache.org/licenses/LICENSE-2.0
borlanic 0:02dd72d1d465 12 *
borlanic 0:02dd72d1d465 13 * Unless required by applicable law or agreed to in writing, software
borlanic 0:02dd72d1d465 14 * distributed under the License is distributed on an "AS IS" BASIS,
borlanic 0:02dd72d1d465 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
borlanic 0:02dd72d1d465 16 * See the License for the specific language governing permissions and
borlanic 0:02dd72d1d465 17 * limitations under the License.
borlanic 0:02dd72d1d465 18 */
borlanic 0:02dd72d1d465 19 #ifndef MBED_DMA_API_H
borlanic 0:02dd72d1d465 20 #define MBED_DMA_API_H
borlanic 0:02dd72d1d465 21
borlanic 0:02dd72d1d465 22 #include <stdint.h>
borlanic 0:02dd72d1d465 23
borlanic 0:02dd72d1d465 24 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
borlanic 0:02dd72d1d465 25
borlanic 0:02dd72d1d465 26 typedef enum {
borlanic 0:02dd72d1d465 27 DMA_USAGE_NEVER,
borlanic 0:02dd72d1d465 28 DMA_USAGE_OPPORTUNISTIC,
borlanic 0:02dd72d1d465 29 DMA_USAGE_ALWAYS,
borlanic 0:02dd72d1d465 30 DMA_USAGE_TEMPORARY_ALLOCATED,
borlanic 0:02dd72d1d465 31 DMA_USAGE_ALLOCATED
borlanic 0:02dd72d1d465 32 } DMAUsage;
borlanic 0:02dd72d1d465 33
borlanic 0:02dd72d1d465 34 #ifdef __cplusplus
borlanic 0:02dd72d1d465 35 extern "C" {
borlanic 0:02dd72d1d465 36 #endif
borlanic 0:02dd72d1d465 37
borlanic 0:02dd72d1d465 38 void dma_init(void);
borlanic 0:02dd72d1d465 39
borlanic 0:02dd72d1d465 40 int dma_channel_allocate(uint32_t capabilities);
borlanic 0:02dd72d1d465 41
borlanic 0:02dd72d1d465 42 int dma_channel_free(int channelid);
borlanic 0:02dd72d1d465 43
borlanic 0:02dd72d1d465 44 #ifdef __cplusplus
borlanic 0:02dd72d1d465 45 }
borlanic 0:02dd72d1d465 46 #endif
borlanic 0:02dd72d1d465 47
borlanic 0:02dd72d1d465 48 #endif
borlanic 0:02dd72d1d465 49
borlanic 0:02dd72d1d465 50 /** @}*/