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TARGET_EFM32LG_STK3600/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h
- Committer:
- Kojto
- Date:
- 2016-02-02
- Revision:
- 113:f141b2784e32
- Parent:
- 108:34e6b704fe68
- Child:
- 122:f9eeca106725
File content as of revision 113:f141b2784e32:
/***************************************************************************//** * @file dma_api_HAL.h ******************************************************************************* * @section License * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b> ******************************************************************************* * * Permission is granted to anyone to use this software for any purpose, * including commercial applications, and to alter it and redistribute it * freely, subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you must not * claim that you wrote the original software. * 2. Altered source versions must be plainly marked as such, and must not be * misrepresented as being the original software. * 3. This notice may not be removed or altered from any source distribution. * * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no * obligation to support this Software. Silicon Labs is providing the * Software "AS IS", with no express or implied warranties of any kind, * including, but not limited to, any implied warranties of merchantability * or fitness for any particular purpose or warranties against infringement * of any proprietary rights of a third party. * * Silicon Labs will not be liable for any consequential, incidental, or * special damages, or any other relief, or for any claim by any third party, * arising from your use of this Software. * ******************************************************************************/ #ifndef MBED_DMA_API_HAL_H #define MBED_DMA_API_HAL_H #include <stdint.h> #include "dma_api.h" #include "em_device.h" #ifdef DMA_PRESENT #include "em_dma.h" #endif #ifdef LDMA_PRESENT #include "em_ldma.h" #endif #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 #ifdef LDMA_PRESENT typedef void (*LDMAx_CBFunc_t)(unsigned int channel, bool primary, void *user); typedef struct { LDMAx_CBFunc_t cbFunc; void *userPtr; } LDMAx_Callback_t; void LDMAx_StartTransfer( int ch, LDMA_TransferCfg_t *transfer, LDMA_Descriptor_t *descriptor, LDMAx_CBFunc_t cbFunc, void *userData ); bool LDMAx_ChannelEnabled( int ch ); #endif typedef struct { DMAUsage dmaUsageState; int dmaChannel; #ifndef LDMA_PRESENT DMA_CB_TypeDef dmaCallback; #else LDMAx_Callback_t dmaCallback; #endif } DMA_OPTIONS_t; typedef void (*DMACallback)(void); extern DMA_DESCRIPTOR_TypeDef dmaControlBlock[]; #ifdef __cplusplus } #endif #endif