PHung Tung / WAV2

SPKT

Dependencies:   F746_GUI SD_PlayerSkeleton F746_SAI_IO

mbed_src_STM32F7/hal/dma_api.h@0:aa3fc5ad02f7, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 09:08:29 2019 +0000
Revision:
0:aa3fc5ad02f7
SPKT

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:aa3fc5ad02f7 1 /* mbed Microcontroller Library
phungductung 0:aa3fc5ad02f7 2 * Copyright (c) 2014-2015 ARM Limited
phungductung 0:aa3fc5ad02f7 3 *
phungductung 0:aa3fc5ad02f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
phungductung 0:aa3fc5ad02f7 5 * you may not use this file except in compliance with the License.
phungductung 0:aa3fc5ad02f7 6 * You may obtain a copy of the License at
phungductung 0:aa3fc5ad02f7 7 *
phungductung 0:aa3fc5ad02f7 8 * http://www.apache.org/licenses/LICENSE-2.0
phungductung 0:aa3fc5ad02f7 9 *
phungductung 0:aa3fc5ad02f7 10 * Unless required by applicable law or agreed to in writing, software
phungductung 0:aa3fc5ad02f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
phungductung 0:aa3fc5ad02f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
phungductung 0:aa3fc5ad02f7 13 * See the License for the specific language governing permissions and
phungductung 0:aa3fc5ad02f7 14 * limitations under the License.
phungductung 0:aa3fc5ad02f7 15 */
phungductung 0:aa3fc5ad02f7 16 #ifndef MBED_DMA_API_H
phungductung 0:aa3fc5ad02f7 17 #define MBED_DMA_API_H
phungductung 0:aa3fc5ad02f7 18
phungductung 0:aa3fc5ad02f7 19 #include <stdint.h>
phungductung 0:aa3fc5ad02f7 20
phungductung 0:aa3fc5ad02f7 21 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
phungductung 0:aa3fc5ad02f7 22
phungductung 0:aa3fc5ad02f7 23 typedef enum {
phungductung 0:aa3fc5ad02f7 24 DMA_USAGE_NEVER,
phungductung 0:aa3fc5ad02f7 25 DMA_USAGE_OPPORTUNISTIC,
phungductung 0:aa3fc5ad02f7 26 DMA_USAGE_ALWAYS,
phungductung 0:aa3fc5ad02f7 27 DMA_USAGE_TEMPORARY_ALLOCATED,
phungductung 0:aa3fc5ad02f7 28 DMA_USAGE_ALLOCATED
phungductung 0:aa3fc5ad02f7 29 } DMAUsage;
phungductung 0:aa3fc5ad02f7 30
phungductung 0:aa3fc5ad02f7 31 #ifdef __cplusplus
phungductung 0:aa3fc5ad02f7 32 extern "C" {
phungductung 0:aa3fc5ad02f7 33 #endif
phungductung 0:aa3fc5ad02f7 34
phungductung 0:aa3fc5ad02f7 35 void dma_init(void);
phungductung 0:aa3fc5ad02f7 36
phungductung 0:aa3fc5ad02f7 37 int dma_channel_allocate(uint32_t capabilities);
phungductung 0:aa3fc5ad02f7 38
phungductung 0:aa3fc5ad02f7 39 int dma_channel_free(int channelid);
phungductung 0:aa3fc5ad02f7 40
phungductung 0:aa3fc5ad02f7 41 #ifdef __cplusplus
phungductung 0:aa3fc5ad02f7 42 }
phungductung 0:aa3fc5ad02f7 43 #endif
phungductung 0:aa3fc5ad02f7 44
phungductung 0:aa3fc5ad02f7 45 #endif