Forking mbed-dev-bin
Fork of mbed-dev-bin by
Diff: dma_api.h
- Revision:
- 2:e32c8485c88f
- Parent:
- 1:a7c51b5e0534
- Child:
- 3:768173a57492
--- a/dma_api.h Thu Apr 07 17:50:29 2016 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,45 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2014-2015 ARM Limited - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef MBED_DMA_API_H -#define MBED_DMA_API_H - -#include <stdint.h> - -#define DMA_ERROR_OUT_OF_CHANNELS (-1) - -typedef enum { - DMA_USAGE_NEVER, - DMA_USAGE_OPPORTUNISTIC, - DMA_USAGE_ALWAYS, - DMA_USAGE_TEMPORARY_ALLOCATED, - DMA_USAGE_ALLOCATED -} DMAUsage; - -#ifdef __cplusplus -extern "C" { -#endif - -void dma_init(void); - -int dma_channel_allocate(uint32_t capabilities); - -int dma_channel_free(int channelid); - -#ifdef __cplusplus -} -#endif - -#endif