Jhon Plantikow / Dataloger

Dataloger

dma_api.h@0:666850d06c9f, 2015-08-20 (annotated)

Committer:
jhon309
Date:
Thu Aug 20 00:37:14 2015 +0000
Revision:
0:666850d06c9f
ok

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jhon309 0:666850d06c9f 1 /* mbed Microcontroller Library
jhon309 0:666850d06c9f 2 * Copyright (c) 2014-2015 ARM Limited
jhon309 0:666850d06c9f 3 *
jhon309 0:666850d06c9f 4 * Licensed under the Apache License, Version 2.0 (the "License");
jhon309 0:666850d06c9f 5 * you may not use this file except in compliance with the License.
jhon309 0:666850d06c9f 6 * You may obtain a copy of the License at
jhon309 0:666850d06c9f 7 *
jhon309 0:666850d06c9f 8 * http://www.apache.org/licenses/LICENSE-2.0
jhon309 0:666850d06c9f 9 *
jhon309 0:666850d06c9f 10 * Unless required by applicable law or agreed to in writing, software
jhon309 0:666850d06c9f 11 * distributed under the License is distributed on an "AS IS" BASIS,
jhon309 0:666850d06c9f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jhon309 0:666850d06c9f 13 * See the License for the specific language governing permissions and
jhon309 0:666850d06c9f 14 * limitations under the License.
jhon309 0:666850d06c9f 15 */
jhon309 0:666850d06c9f 16 #ifndef MBED_DMA_API_H
jhon309 0:666850d06c9f 17 #define MBED_DMA_API_H
jhon309 0:666850d06c9f 18
jhon309 0:666850d06c9f 19 #include <stdint.h>
jhon309 0:666850d06c9f 20
jhon309 0:666850d06c9f 21 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
jhon309 0:666850d06c9f 22
jhon309 0:666850d06c9f 23 typedef enum {
jhon309 0:666850d06c9f 24 DMA_USAGE_NEVER,
jhon309 0:666850d06c9f 25 DMA_USAGE_OPPORTUNISTIC,
jhon309 0:666850d06c9f 26 DMA_USAGE_ALWAYS,
jhon309 0:666850d06c9f 27 DMA_USAGE_TEMPORARY_ALLOCATED,
jhon309 0:666850d06c9f 28 DMA_USAGE_ALLOCATED
jhon309 0:666850d06c9f 29 } DMAUsage;
jhon309 0:666850d06c9f 30
jhon309 0:666850d06c9f 31 #ifdef __cplusplus
jhon309 0:666850d06c9f 32 extern "C" {
jhon309 0:666850d06c9f 33 #endif
jhon309 0:666850d06c9f 34
jhon309 0:666850d06c9f 35 void dma_init(void);
jhon309 0:666850d06c9f 36
jhon309 0:666850d06c9f 37 int dma_channel_allocate(uint32_t capabilities);
jhon309 0:666850d06c9f 38
jhon309 0:666850d06c9f 39 int dma_channel_free(int channelid);
jhon309 0:666850d06c9f 40
jhon309 0:666850d06c9f 41 #ifdef __cplusplus
jhon309 0:666850d06c9f 42 }
jhon309 0:666850d06c9f 43 #endif
jhon309 0:666850d06c9f 44
jhon309 0:666850d06c9f 45 #endif