Diff: targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h

Revision:

144:ef7eb2e8f9f7

Parent:

50:a417edff4437

--- 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