pro vyuku PSS v Jecne
dma_api.h@0:23d1f73bf130, 2017-09-24 (annotated)
- Committer:
- vladvana
- Date:
- Sun Sep 24 12:31:52 2017 +0000
- Revision:
- 0:23d1f73bf130
podklady pro cviceni z PSS
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
vladvana | 0:23d1f73bf130 | 1 | /* mbed Microcontroller Library |
vladvana | 0:23d1f73bf130 | 2 | * Copyright (c) 2014-2015 ARM Limited |
vladvana | 0:23d1f73bf130 | 3 | * |
vladvana | 0:23d1f73bf130 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
vladvana | 0:23d1f73bf130 | 5 | * you may not use this file except in compliance with the License. |
vladvana | 0:23d1f73bf130 | 6 | * You may obtain a copy of the License at |
vladvana | 0:23d1f73bf130 | 7 | * |
vladvana | 0:23d1f73bf130 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
vladvana | 0:23d1f73bf130 | 9 | * |
vladvana | 0:23d1f73bf130 | 10 | * Unless required by applicable law or agreed to in writing, software |
vladvana | 0:23d1f73bf130 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
vladvana | 0:23d1f73bf130 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
vladvana | 0:23d1f73bf130 | 13 | * See the License for the specific language governing permissions and |
vladvana | 0:23d1f73bf130 | 14 | * limitations under the License. |
vladvana | 0:23d1f73bf130 | 15 | */ |
vladvana | 0:23d1f73bf130 | 16 | #ifndef MBED_DMA_API_H |
vladvana | 0:23d1f73bf130 | 17 | #define MBED_DMA_API_H |
vladvana | 0:23d1f73bf130 | 18 | |
vladvana | 0:23d1f73bf130 | 19 | #include <stdint.h> |
vladvana | 0:23d1f73bf130 | 20 | |
vladvana | 0:23d1f73bf130 | 21 | #define DMA_ERROR_OUT_OF_CHANNELS (-1) |
vladvana | 0:23d1f73bf130 | 22 | |
vladvana | 0:23d1f73bf130 | 23 | typedef enum { |
vladvana | 0:23d1f73bf130 | 24 | DMA_USAGE_NEVER, |
vladvana | 0:23d1f73bf130 | 25 | DMA_USAGE_OPPORTUNISTIC, |
vladvana | 0:23d1f73bf130 | 26 | DMA_USAGE_ALWAYS, |
vladvana | 0:23d1f73bf130 | 27 | DMA_USAGE_TEMPORARY_ALLOCATED, |
vladvana | 0:23d1f73bf130 | 28 | DMA_USAGE_ALLOCATED |
vladvana | 0:23d1f73bf130 | 29 | } DMAUsage; |
vladvana | 0:23d1f73bf130 | 30 | |
vladvana | 0:23d1f73bf130 | 31 | #ifdef __cplusplus |
vladvana | 0:23d1f73bf130 | 32 | extern "C" { |
vladvana | 0:23d1f73bf130 | 33 | #endif |
vladvana | 0:23d1f73bf130 | 34 | |
vladvana | 0:23d1f73bf130 | 35 | void dma_init(void); |
vladvana | 0:23d1f73bf130 | 36 | |
vladvana | 0:23d1f73bf130 | 37 | int dma_channel_allocate(uint32_t capabilities); |
vladvana | 0:23d1f73bf130 | 38 | |
vladvana | 0:23d1f73bf130 | 39 | int dma_channel_free(int channelid); |
vladvana | 0:23d1f73bf130 | 40 | |
vladvana | 0:23d1f73bf130 | 41 | #ifdef __cplusplus |
vladvana | 0:23d1f73bf130 | 42 | } |
vladvana | 0:23d1f73bf130 | 43 | #endif |
vladvana | 0:23d1f73bf130 | 44 | |
vladvana | 0:23d1f73bf130 | 45 | #endif |