mbed-os for GR-LYCHEE
Dependents: mbed-os-example-blinky-gr-lychee GR-Boads_Camera_sample GR-Boards_Audio_Recoder GR-Boads_Camera_DisplayApp ... more
hal/dma_api.h
- Committer:
- dkato
- Date:
- 2018-02-02
- Revision:
- 0:f782d9c66c49
File content as of revision 0:f782d9c66c49:
/** \addtogroup hal */ /** @{*/ /* 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 /** @}*/