Toyomasa Watarai / Mbed OS armcc_info

Describes predefine macros for mbed online compiler (armcc)

mbed/hal/dma_api.h@6:40e873bbc5f7, 2017-03-16 (annotated)

Committer:
MACRUM
Date:
Thu Mar 16 21:58:09 2017 +0900
Revision:
6:40e873bbc5f7
Add licence header info

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MACRUM 6:40e873bbc5f7 1
MACRUM 6:40e873bbc5f7 2 /** \addtogroup hal */
MACRUM 6:40e873bbc5f7 3 /** @{*/
MACRUM 6:40e873bbc5f7 4 /* mbed Microcontroller Library
MACRUM 6:40e873bbc5f7 5 * Copyright (c) 2014-2015 ARM Limited
MACRUM 6:40e873bbc5f7 6 *
MACRUM 6:40e873bbc5f7 7 * Licensed under the Apache License, Version 2.0 (the "License");
MACRUM 6:40e873bbc5f7 8 * you may not use this file except in compliance with the License.
MACRUM 6:40e873bbc5f7 9 * You may obtain a copy of the License at
MACRUM 6:40e873bbc5f7 10 *
MACRUM 6:40e873bbc5f7 11 * http://www.apache.org/licenses/LICENSE-2.0
MACRUM 6:40e873bbc5f7 12 *
MACRUM 6:40e873bbc5f7 13 * Unless required by applicable law or agreed to in writing, software
MACRUM 6:40e873bbc5f7 14 * distributed under the License is distributed on an "AS IS" BASIS,
MACRUM 6:40e873bbc5f7 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MACRUM 6:40e873bbc5f7 16 * See the License for the specific language governing permissions and
MACRUM 6:40e873bbc5f7 17 * limitations under the License.
MACRUM 6:40e873bbc5f7 18 */
MACRUM 6:40e873bbc5f7 19 #ifndef MBED_DMA_API_H
MACRUM 6:40e873bbc5f7 20 #define MBED_DMA_API_H
MACRUM 6:40e873bbc5f7 21
MACRUM 6:40e873bbc5f7 22 #include <stdint.h>
MACRUM 6:40e873bbc5f7 23
MACRUM 6:40e873bbc5f7 24 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
MACRUM 6:40e873bbc5f7 25
MACRUM 6:40e873bbc5f7 26 typedef enum {
MACRUM 6:40e873bbc5f7 27 DMA_USAGE_NEVER,
MACRUM 6:40e873bbc5f7 28 DMA_USAGE_OPPORTUNISTIC,
MACRUM 6:40e873bbc5f7 29 DMA_USAGE_ALWAYS,
MACRUM 6:40e873bbc5f7 30 DMA_USAGE_TEMPORARY_ALLOCATED,
MACRUM 6:40e873bbc5f7 31 DMA_USAGE_ALLOCATED
MACRUM 6:40e873bbc5f7 32 } DMAUsage;
MACRUM 6:40e873bbc5f7 33
MACRUM 6:40e873bbc5f7 34 #ifdef __cplusplus
MACRUM 6:40e873bbc5f7 35 extern "C" {
MACRUM 6:40e873bbc5f7 36 #endif
MACRUM 6:40e873bbc5f7 37
MACRUM 6:40e873bbc5f7 38 void dma_init(void);
MACRUM 6:40e873bbc5f7 39
MACRUM 6:40e873bbc5f7 40 int dma_channel_allocate(uint32_t capabilities);
MACRUM 6:40e873bbc5f7 41
MACRUM 6:40e873bbc5f7 42 int dma_channel_free(int channelid);
MACRUM 6:40e873bbc5f7 43
MACRUM 6:40e873bbc5f7 44 #ifdef __cplusplus
MACRUM 6:40e873bbc5f7 45 }
MACRUM 6:40e873bbc5f7 46 #endif
MACRUM 6:40e873bbc5f7 47
MACRUM 6:40e873bbc5f7 48 #endif
MACRUM 6:40e873bbc5f7 49
MACRUM 6:40e873bbc5f7 50 /** @}*/