Kev Mann / mbed-dev-OS5_10_4

RTC auf true

hal/dma_api.h@2:7aab896b1a3b, 2019-03-13 (annotated)

Committer:
kevman
Date:
Wed Mar 13 11:03:24 2019 +0000
Revision:
2:7aab896b1a3b
Parent:
0:38ceb79fef03 
2019-03-13

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1
kevman 0:38ceb79fef03 2 /** \addtogroup hal */
kevman 0:38ceb79fef03 3 /** @{*/
kevman 0:38ceb79fef03 4 /* mbed Microcontroller Library
kevman 0:38ceb79fef03 5 * Copyright (c) 2014-2015 ARM Limited
kevman 0:38ceb79fef03 6 *
kevman 0:38ceb79fef03 7 * Licensed under the Apache License, Version 2.0 (the "License");
kevman 0:38ceb79fef03 8 * you may not use this file except in compliance with the License.
kevman 0:38ceb79fef03 9 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 10 *
kevman 0:38ceb79fef03 11 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 12 *
kevman 0:38ceb79fef03 13 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 14 * distributed under the License is distributed on an "AS IS" BASIS,
kevman 0:38ceb79fef03 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 16 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 17 * limitations under the License.
kevman 0:38ceb79fef03 18 */
kevman 0:38ceb79fef03 19 #ifndef MBED_DMA_API_H
kevman 0:38ceb79fef03 20 #define MBED_DMA_API_H
kevman 0:38ceb79fef03 21
kevman 0:38ceb79fef03 22 #include <stdint.h>
kevman 0:38ceb79fef03 23
kevman 0:38ceb79fef03 24 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
kevman 0:38ceb79fef03 25
kevman 0:38ceb79fef03 26 typedef enum {
kevman 0:38ceb79fef03 27 DMA_USAGE_NEVER,
kevman 0:38ceb79fef03 28 DMA_USAGE_OPPORTUNISTIC,
kevman 0:38ceb79fef03 29 DMA_USAGE_ALWAYS,
kevman 0:38ceb79fef03 30 DMA_USAGE_TEMPORARY_ALLOCATED,
kevman 0:38ceb79fef03 31 DMA_USAGE_ALLOCATED
kevman 0:38ceb79fef03 32 } DMAUsage;
kevman 0:38ceb79fef03 33
kevman 0:38ceb79fef03 34 #ifdef __cplusplus
kevman 0:38ceb79fef03 35 extern "C" {
kevman 0:38ceb79fef03 36 #endif
kevman 0:38ceb79fef03 37
kevman 0:38ceb79fef03 38 void dma_init(void);
kevman 0:38ceb79fef03 39
kevman 0:38ceb79fef03 40 int dma_channel_allocate(uint32_t capabilities);
kevman 0:38ceb79fef03 41
kevman 0:38ceb79fef03 42 int dma_channel_free(int channelid);
kevman 0:38ceb79fef03 43
kevman 0:38ceb79fef03 44 #ifdef __cplusplus
kevman 0:38ceb79fef03 45 }
kevman 0:38ceb79fef03 46 #endif
kevman 0:38ceb79fef03 47
kevman 0:38ceb79fef03 48 #endif
kevman 0:38ceb79fef03 49
kevman 0:38ceb79fef03 50 /** @}*/