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Diff: hal/dma_api.h
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 0:9b334a45a8ff
- Child:
- 149:156823d33999
diff -r 423e1876dc07 -r ef7eb2e8f9f7 hal/dma_api.h --- a/hal/dma_api.h Tue Aug 02 14:07:36 2016 +0000 +++ b/hal/dma_api.h Fri Sep 02 15:07:44 2016 +0100 @@ -1,45 +1,45 @@ -/* 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 +/* 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