mbed library sources. Supersedes mbed-src.
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Diff: targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 50:a417edff4437
diff -r 423e1876dc07 -r ef7eb2e8f9f7 targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h --- a/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h Tue Aug 02 14:07:36 2016 +0000 +++ b/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h Fri Sep 02 15:07:44 2016 +0100 @@ -1,106 +1,99 @@ -/***************************************************************************//** - * @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 +/***************************************************************************//** + * @file dma_api_HAL.h + ******************************************************************************* + * @section License + * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b> + ******************************************************************************* + * + * SPDX-License-Identifier: Apache-2.0 + * + * 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_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