Abdulaziz alsalloum
Home Alert System
Dependencies: PWM_Tone_Library DHT
mbed/dma_api.h@3:78f223d34f36, 2019-03-05 (annotated)
- Committer:
- ethaderu
- Date:
- Tue Mar 05 02:34:44 2019 +0000
- Revision:
- 3:78f223d34f36
Publish 1
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| ethaderu | 3:78f223d34f36 | 1 | /* mbed Microcontroller Library |
| ethaderu | 3:78f223d34f36 | 2 | * Copyright (c) 2014-2015 ARM Limited |
| ethaderu | 3:78f223d34f36 | 3 | * |
| ethaderu | 3:78f223d34f36 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| ethaderu | 3:78f223d34f36 | 5 | * you may not use this file except in compliance with the License. |
| ethaderu | 3:78f223d34f36 | 6 | * You may obtain a copy of the License at |
| ethaderu | 3:78f223d34f36 | 7 | * |
| ethaderu | 3:78f223d34f36 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| ethaderu | 3:78f223d34f36 | 9 | * |
| ethaderu | 3:78f223d34f36 | 10 | * Unless required by applicable law or agreed to in writing, software |
| ethaderu | 3:78f223d34f36 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| ethaderu | 3:78f223d34f36 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ethaderu | 3:78f223d34f36 | 13 | * See the License for the specific language governing permissions and |
| ethaderu | 3:78f223d34f36 | 14 | * limitations under the License. |
| ethaderu | 3:78f223d34f36 | 15 | */ |
| ethaderu | 3:78f223d34f36 | 16 | #ifndef MBED_DMA_API_H |
| ethaderu | 3:78f223d34f36 | 17 | #define MBED_DMA_API_H |
| ethaderu | 3:78f223d34f36 | 18 | |
| ethaderu | 3:78f223d34f36 | 19 | #include <stdint.h> |
| ethaderu | 3:78f223d34f36 | 20 | |
| ethaderu | 3:78f223d34f36 | 21 | #define DMA_ERROR_OUT_OF_CHANNELS (-1) |
| ethaderu | 3:78f223d34f36 | 22 | |
| ethaderu | 3:78f223d34f36 | 23 | typedef enum { |
| ethaderu | 3:78f223d34f36 | 24 | DMA_USAGE_NEVER, |
| ethaderu | 3:78f223d34f36 | 25 | DMA_USAGE_OPPORTUNISTIC, |
| ethaderu | 3:78f223d34f36 | 26 | DMA_USAGE_ALWAYS, |
| ethaderu | 3:78f223d34f36 | 27 | DMA_USAGE_TEMPORARY_ALLOCATED, |
| ethaderu | 3:78f223d34f36 | 28 | DMA_USAGE_ALLOCATED |
| ethaderu | 3:78f223d34f36 | 29 | } DMAUsage; |
| ethaderu | 3:78f223d34f36 | 30 | |
| ethaderu | 3:78f223d34f36 | 31 | #ifdef __cplusplus |
| ethaderu | 3:78f223d34f36 | 32 | extern "C" { |
| ethaderu | 3:78f223d34f36 | 33 | #endif |
| ethaderu | 3:78f223d34f36 | 34 | |
| ethaderu | 3:78f223d34f36 | 35 | void dma_init(void); |
| ethaderu | 3:78f223d34f36 | 36 | |
| ethaderu | 3:78f223d34f36 | 37 | int dma_channel_allocate(uint32_t capabilities); |
| ethaderu | 3:78f223d34f36 | 38 | |
| ethaderu | 3:78f223d34f36 | 39 | int dma_channel_free(int channelid); |
| ethaderu | 3:78f223d34f36 | 40 | |
| ethaderu | 3:78f223d34f36 | 41 | #ifdef __cplusplus |
| ethaderu | 3:78f223d34f36 | 42 | } |
| ethaderu | 3:78f223d34f36 | 43 | #endif |
| ethaderu | 3:78f223d34f36 | 44 | |
| ethaderu | 3:78f223d34f36 | 45 | #endif |