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TARGET_EFM32HG_STK3400/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h
- Committer:
- Kojto
- Date:
- 2015-04-29
- Revision:
- 98:8ab26030e058
- Child:
- 100:cbbeb26dbd92
File content as of revision 98:8ab26030e058:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 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_HAL_H #define MBED_DMA_API_HAL_H #include <stdint.h> #include "dma_api.h" #include "em_dma.h" #ifdef __cplusplus extern "C" { #endif /* Purpose of this file: extend dma_api.h to include EFM-specific DMA attributes */ #define DMA_CAP_2DCOPY (1 << 0) #define DMA_CAP_NONE (0 << 0) #if ( DMA_CHAN_COUNT <= 4 ) #define DMACTRL_CH_CNT 4 #define DMACTRL_ALIGNMENT 256 #elif ( ( DMA_CHAN_COUNT > 4 ) && ( DMA_CHAN_COUNT <= 8 ) ) #define DMACTRL_CH_CNT 8 #define DMACTRL_ALIGNMENT 256 #elif ( ( DMA_CHAN_COUNT > 8 ) && ( DMA_CHAN_COUNT <= 16 ) ) #define DMACTRL_CH_CNT 16 #define DMACTRL_ALIGNMENT 512 #else #error "Unsupported DMA channel count (dma_api.c)." #endif typedef struct { DMAUsage dmaUsageState; int dmaChannel; DMA_CB_TypeDef dmaCallback; } DMA_OPTIONS_t; typedef void (*DMACallback)(void); extern DMA_DESCRIPTOR_TypeDef dmaControlBlock[]; #ifdef __cplusplus } #endif #endif