test
dma_api.h@0:c792b17d9f78, 2021-12-03 (annotated)
- Committer:
- juansal12
- Date:
- Fri Dec 03 23:00:34 2021 +0000
- Revision:
- 0:c792b17d9f78
uploaded sofi code ;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
juansal12 | 0:c792b17d9f78 | 1 | /* mbed Microcontroller Library |
juansal12 | 0:c792b17d9f78 | 2 | * Copyright (c) 2014-2015 ARM Limited |
juansal12 | 0:c792b17d9f78 | 3 | * |
juansal12 | 0:c792b17d9f78 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
juansal12 | 0:c792b17d9f78 | 5 | * you may not use this file except in compliance with the License. |
juansal12 | 0:c792b17d9f78 | 6 | * You may obtain a copy of the License at |
juansal12 | 0:c792b17d9f78 | 7 | * |
juansal12 | 0:c792b17d9f78 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
juansal12 | 0:c792b17d9f78 | 9 | * |
juansal12 | 0:c792b17d9f78 | 10 | * Unless required by applicable law or agreed to in writing, software |
juansal12 | 0:c792b17d9f78 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
juansal12 | 0:c792b17d9f78 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
juansal12 | 0:c792b17d9f78 | 13 | * See the License for the specific language governing permissions and |
juansal12 | 0:c792b17d9f78 | 14 | * limitations under the License. |
juansal12 | 0:c792b17d9f78 | 15 | */ |
juansal12 | 0:c792b17d9f78 | 16 | #ifndef MBED_DMA_API_H |
juansal12 | 0:c792b17d9f78 | 17 | #define MBED_DMA_API_H |
juansal12 | 0:c792b17d9f78 | 18 | |
juansal12 | 0:c792b17d9f78 | 19 | #include <stdint.h> |
juansal12 | 0:c792b17d9f78 | 20 | |
juansal12 | 0:c792b17d9f78 | 21 | #define DMA_ERROR_OUT_OF_CHANNELS (-1) |
juansal12 | 0:c792b17d9f78 | 22 | |
juansal12 | 0:c792b17d9f78 | 23 | typedef enum { |
juansal12 | 0:c792b17d9f78 | 24 | DMA_USAGE_NEVER, |
juansal12 | 0:c792b17d9f78 | 25 | DMA_USAGE_OPPORTUNISTIC, |
juansal12 | 0:c792b17d9f78 | 26 | DMA_USAGE_ALWAYS, |
juansal12 | 0:c792b17d9f78 | 27 | DMA_USAGE_TEMPORARY_ALLOCATED, |
juansal12 | 0:c792b17d9f78 | 28 | DMA_USAGE_ALLOCATED |
juansal12 | 0:c792b17d9f78 | 29 | } DMAUsage; |
juansal12 | 0:c792b17d9f78 | 30 | |
juansal12 | 0:c792b17d9f78 | 31 | #ifdef __cplusplus |
juansal12 | 0:c792b17d9f78 | 32 | extern "C" { |
juansal12 | 0:c792b17d9f78 | 33 | #endif |
juansal12 | 0:c792b17d9f78 | 34 | |
juansal12 | 0:c792b17d9f78 | 35 | void dma_init(void); |
juansal12 | 0:c792b17d9f78 | 36 | |
juansal12 | 0:c792b17d9f78 | 37 | int dma_channel_allocate(uint32_t capabilities); |
juansal12 | 0:c792b17d9f78 | 38 | |
juansal12 | 0:c792b17d9f78 | 39 | int dma_channel_free(int channelid); |
juansal12 | 0:c792b17d9f78 | 40 | |
juansal12 | 0:c792b17d9f78 | 41 | #ifdef __cplusplus |
juansal12 | 0:c792b17d9f78 | 42 | } |
juansal12 | 0:c792b17d9f78 | 43 | #endif |
juansal12 | 0:c792b17d9f78 | 44 | |
juansal12 | 0:c792b17d9f78 | 45 | #endif |