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hal/dma_api.h@178:c26431f84b0d, 2017-11-09 (annotated)
- Committer:
- amithy
- Date:
- Thu Nov 09 22:14:37 2017 +0000
- Revision:
- 178:c26431f84b0d
- Parent:
- 149:156823d33999
test export
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 149:156823d33999 | 1 | |
<> | 149:156823d33999 | 2 | /** \addtogroup hal */ |
<> | 149:156823d33999 | 3 | /** @{*/ |
<> | 144:ef7eb2e8f9f7 | 4 | /* mbed Microcontroller Library |
<> | 144:ef7eb2e8f9f7 | 5 | * Copyright (c) 2014-2015 ARM Limited |
<> | 144:ef7eb2e8f9f7 | 6 | * |
<> | 144:ef7eb2e8f9f7 | 7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
<> | 144:ef7eb2e8f9f7 | 8 | * you may not use this file except in compliance with the License. |
<> | 144:ef7eb2e8f9f7 | 9 | * You may obtain a copy of the License at |
<> | 144:ef7eb2e8f9f7 | 10 | * |
<> | 144:ef7eb2e8f9f7 | 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
<> | 144:ef7eb2e8f9f7 | 12 | * |
<> | 144:ef7eb2e8f9f7 | 13 | * Unless required by applicable law or agreed to in writing, software |
<> | 144:ef7eb2e8f9f7 | 14 | * distributed under the License is distributed on an "AS IS" BASIS, |
<> | 144:ef7eb2e8f9f7 | 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
<> | 144:ef7eb2e8f9f7 | 16 | * See the License for the specific language governing permissions and |
<> | 144:ef7eb2e8f9f7 | 17 | * limitations under the License. |
<> | 144:ef7eb2e8f9f7 | 18 | */ |
<> | 144:ef7eb2e8f9f7 | 19 | #ifndef MBED_DMA_API_H |
<> | 144:ef7eb2e8f9f7 | 20 | #define MBED_DMA_API_H |
<> | 144:ef7eb2e8f9f7 | 21 | |
<> | 144:ef7eb2e8f9f7 | 22 | #include <stdint.h> |
<> | 144:ef7eb2e8f9f7 | 23 | |
<> | 144:ef7eb2e8f9f7 | 24 | #define DMA_ERROR_OUT_OF_CHANNELS (-1) |
<> | 144:ef7eb2e8f9f7 | 25 | |
<> | 144:ef7eb2e8f9f7 | 26 | typedef enum { |
<> | 144:ef7eb2e8f9f7 | 27 | DMA_USAGE_NEVER, |
<> | 144:ef7eb2e8f9f7 | 28 | DMA_USAGE_OPPORTUNISTIC, |
<> | 144:ef7eb2e8f9f7 | 29 | DMA_USAGE_ALWAYS, |
<> | 144:ef7eb2e8f9f7 | 30 | DMA_USAGE_TEMPORARY_ALLOCATED, |
<> | 144:ef7eb2e8f9f7 | 31 | DMA_USAGE_ALLOCATED |
<> | 144:ef7eb2e8f9f7 | 32 | } DMAUsage; |
<> | 144:ef7eb2e8f9f7 | 33 | |
<> | 144:ef7eb2e8f9f7 | 34 | #ifdef __cplusplus |
<> | 144:ef7eb2e8f9f7 | 35 | extern "C" { |
<> | 144:ef7eb2e8f9f7 | 36 | #endif |
<> | 144:ef7eb2e8f9f7 | 37 | |
<> | 144:ef7eb2e8f9f7 | 38 | void dma_init(void); |
<> | 144:ef7eb2e8f9f7 | 39 | |
<> | 144:ef7eb2e8f9f7 | 40 | int dma_channel_allocate(uint32_t capabilities); |
<> | 144:ef7eb2e8f9f7 | 41 | |
<> | 144:ef7eb2e8f9f7 | 42 | int dma_channel_free(int channelid); |
<> | 144:ef7eb2e8f9f7 | 43 | |
<> | 144:ef7eb2e8f9f7 | 44 | #ifdef __cplusplus |
<> | 144:ef7eb2e8f9f7 | 45 | } |
<> | 144:ef7eb2e8f9f7 | 46 | #endif |
<> | 144:ef7eb2e8f9f7 | 47 | |
<> | 144:ef7eb2e8f9f7 | 48 | #endif |
<> | 149:156823d33999 | 49 | |
<> | 149:156823d33999 | 50 | /** @}*/ |