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Dependencies: BSP_DISCO_F746NG SDFileSystem_Warning_Fixed
mbed_src_STM32F7/hal/dma_api.h@3:6f7e05dd8d15, 2020-03-06 (annotated)
- Committer:
- aria19970520
- Date:
- Fri Mar 06 06:52:14 2020 +0000
- Revision:
- 3:6f7e05dd8d15
- Parent:
- 0:3e46577dc273
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Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 0:3e46577dc273 | 1 | /* mbed Microcontroller Library |
MikamiUitOpen | 0:3e46577dc273 | 2 | * Copyright (c) 2014-2015 ARM Limited |
MikamiUitOpen | 0:3e46577dc273 | 3 | * |
MikamiUitOpen | 0:3e46577dc273 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
MikamiUitOpen | 0:3e46577dc273 | 5 | * you may not use this file except in compliance with the License. |
MikamiUitOpen | 0:3e46577dc273 | 6 | * You may obtain a copy of the License at |
MikamiUitOpen | 0:3e46577dc273 | 7 | * |
MikamiUitOpen | 0:3e46577dc273 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
MikamiUitOpen | 0:3e46577dc273 | 9 | * |
MikamiUitOpen | 0:3e46577dc273 | 10 | * Unless required by applicable law or agreed to in writing, software |
MikamiUitOpen | 0:3e46577dc273 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
MikamiUitOpen | 0:3e46577dc273 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
MikamiUitOpen | 0:3e46577dc273 | 13 | * See the License for the specific language governing permissions and |
MikamiUitOpen | 0:3e46577dc273 | 14 | * limitations under the License. |
MikamiUitOpen | 0:3e46577dc273 | 15 | */ |
MikamiUitOpen | 0:3e46577dc273 | 16 | #ifndef MBED_DMA_API_H |
MikamiUitOpen | 0:3e46577dc273 | 17 | #define MBED_DMA_API_H |
MikamiUitOpen | 0:3e46577dc273 | 18 | |
MikamiUitOpen | 0:3e46577dc273 | 19 | #include <stdint.h> |
MikamiUitOpen | 0:3e46577dc273 | 20 | |
MikamiUitOpen | 0:3e46577dc273 | 21 | #define DMA_ERROR_OUT_OF_CHANNELS (-1) |
MikamiUitOpen | 0:3e46577dc273 | 22 | |
MikamiUitOpen | 0:3e46577dc273 | 23 | typedef enum { |
MikamiUitOpen | 0:3e46577dc273 | 24 | DMA_USAGE_NEVER, |
MikamiUitOpen | 0:3e46577dc273 | 25 | DMA_USAGE_OPPORTUNISTIC, |
MikamiUitOpen | 0:3e46577dc273 | 26 | DMA_USAGE_ALWAYS, |
MikamiUitOpen | 0:3e46577dc273 | 27 | DMA_USAGE_TEMPORARY_ALLOCATED, |
MikamiUitOpen | 0:3e46577dc273 | 28 | DMA_USAGE_ALLOCATED |
MikamiUitOpen | 0:3e46577dc273 | 29 | } DMAUsage; |
MikamiUitOpen | 0:3e46577dc273 | 30 | |
MikamiUitOpen | 0:3e46577dc273 | 31 | #ifdef __cplusplus |
MikamiUitOpen | 0:3e46577dc273 | 32 | extern "C" { |
MikamiUitOpen | 0:3e46577dc273 | 33 | #endif |
MikamiUitOpen | 0:3e46577dc273 | 34 | |
MikamiUitOpen | 0:3e46577dc273 | 35 | void dma_init(void); |
MikamiUitOpen | 0:3e46577dc273 | 36 | |
MikamiUitOpen | 0:3e46577dc273 | 37 | int dma_channel_allocate(uint32_t capabilities); |
MikamiUitOpen | 0:3e46577dc273 | 38 | |
MikamiUitOpen | 0:3e46577dc273 | 39 | int dma_channel_free(int channelid); |
MikamiUitOpen | 0:3e46577dc273 | 40 | |
MikamiUitOpen | 0:3e46577dc273 | 41 | #ifdef __cplusplus |
MikamiUitOpen | 0:3e46577dc273 | 42 | } |
MikamiUitOpen | 0:3e46577dc273 | 43 | #endif |
MikamiUitOpen | 0:3e46577dc273 | 44 | |
MikamiUitOpen | 0:3e46577dc273 | 45 | #endif |