Daiki Kato / mbed-os-lychee

mbed-os for GR-LYCHEE

Dependents:   mbed-os-example-blinky-gr-lychee GR-Boads_Camera_sample GR-Boards_Audio_Recoder GR-Boads_Camera_DisplayApp ... more

hal/dma_api.h@0:f782d9c66c49, 2018-02-02 (annotated)

Committer:
dkato
Date:
Fri Feb 02 05:42:23 2018 +0000
Revision:
0:f782d9c66c49
mbed-os for GR-LYCHEE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dkato 0:f782d9c66c49 1
dkato 0:f782d9c66c49 2 /** \addtogroup hal */
dkato 0:f782d9c66c49 3 /** @{*/
dkato 0:f782d9c66c49 4 /* mbed Microcontroller Library
dkato 0:f782d9c66c49 5 * Copyright (c) 2014-2015 ARM Limited
dkato 0:f782d9c66c49 6 *
dkato 0:f782d9c66c49 7 * Licensed under the Apache License, Version 2.0 (the "License");
dkato 0:f782d9c66c49 8 * you may not use this file except in compliance with the License.
dkato 0:f782d9c66c49 9 * You may obtain a copy of the License at
dkato 0:f782d9c66c49 10 *
dkato 0:f782d9c66c49 11 * http://www.apache.org/licenses/LICENSE-2.0
dkato 0:f782d9c66c49 12 *
dkato 0:f782d9c66c49 13 * Unless required by applicable law or agreed to in writing, software
dkato 0:f782d9c66c49 14 * distributed under the License is distributed on an "AS IS" BASIS,
dkato 0:f782d9c66c49 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dkato 0:f782d9c66c49 16 * See the License for the specific language governing permissions and
dkato 0:f782d9c66c49 17 * limitations under the License.
dkato 0:f782d9c66c49 18 */
dkato 0:f782d9c66c49 19 #ifndef MBED_DMA_API_H
dkato 0:f782d9c66c49 20 #define MBED_DMA_API_H
dkato 0:f782d9c66c49 21
dkato 0:f782d9c66c49 22 #include <stdint.h>
dkato 0:f782d9c66c49 23
dkato 0:f782d9c66c49 24 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
dkato 0:f782d9c66c49 25
dkato 0:f782d9c66c49 26 typedef enum {
dkato 0:f782d9c66c49 27 DMA_USAGE_NEVER,
dkato 0:f782d9c66c49 28 DMA_USAGE_OPPORTUNISTIC,
dkato 0:f782d9c66c49 29 DMA_USAGE_ALWAYS,
dkato 0:f782d9c66c49 30 DMA_USAGE_TEMPORARY_ALLOCATED,
dkato 0:f782d9c66c49 31 DMA_USAGE_ALLOCATED
dkato 0:f782d9c66c49 32 } DMAUsage;
dkato 0:f782d9c66c49 33
dkato 0:f782d9c66c49 34 #ifdef __cplusplus
dkato 0:f782d9c66c49 35 extern "C" {
dkato 0:f782d9c66c49 36 #endif
dkato 0:f782d9c66c49 37
dkato 0:f782d9c66c49 38 void dma_init(void);
dkato 0:f782d9c66c49 39
dkato 0:f782d9c66c49 40 int dma_channel_allocate(uint32_t capabilities);
dkato 0:f782d9c66c49 41
dkato 0:f782d9c66c49 42 int dma_channel_free(int channelid);
dkato 0:f782d9c66c49 43
dkato 0:f782d9c66c49 44 #ifdef __cplusplus
dkato 0:f782d9c66c49 45 }
dkato 0:f782d9c66c49 46 #endif
dkato 0:f782d9c66c49 47
dkato 0:f782d9c66c49 48 #endif
dkato 0:f782d9c66c49 49
dkato 0:f782d9c66c49 50 /** @}*/