Diff: targets/hal/TARGET_Atmel/TARGET_SAM21/dma_api_HAL.h

Revision:

613:bc40b8d2aec4

Parent:

612:fba1c7dc54c0

Child:

614:9d86c2ae5de0

--- a/targets/hal/TARGET_Atmel/TARGET_SAM21/dma_api_HAL.h	Tue Aug 18 15:00:09 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,106 +0,0 @@
-/* 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 _DMA_API_HAL_H
-#define _DMA_API_HAL_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <compiler.h>
-#include "dma.h"
-
-enum dma_status_flags {
-    DMA_NOT_USED		= (uint32_t)1,
-    DMA_ALLOCATED		= (DMA_NOT_USED << 1),
-    DMA_TEMPORARY		= (DMA_NOT_USED << 2),
-    DMA_ERROR			= (DMA_NOT_USED << 3),
-};
-
-/* No other capabilities supported now */
-#define DMA_CAP_NONE				0
-
-#define DMA_ADDRESS_INC_DISABLE		0
-#define DMA_ADDRESS_INC_ENABLE		1
-
-#define DMA_TRANSFER_ERROR		((uint32_t)1 << 1)
-#define DMA_TRANSFER_COMPLETE	((uint32_t)1 << 2)
-
-#define DMA_EVENT_ALL (DMA_TRANSFER_ERROR | DMA_TRANSFER_COMPLETE)
-
-
-COMPILER_ALIGNED(16)
-struct dma_instance_s {
-    struct dma_resource resource;
-    DmacDescriptor descriptor;
-    uint8_t status;
-    uint32_t events;
-    uint32_t handler;
-};
-
-/** Setup a DMA descriptor for specified resource
- *
- * @param[in] channel_index		DMA channel id
- * @param[in] src				source address
- * @param[in] src_inc_enable	source address auto increment enable flag
- * @param[in] desc				destination address
- * @param[in] desc_inc_enable	destination address auto increment enable flag
- * @param[in] length			length of data to be transferred
- * @param[in] beat_size			beat size to be set
- * @return void
- */
-void dma_setup_transfer(uint8_t channelid, uint32_t src, bool src_inc_enable, uint32_t desc, bool desc_inc_enable, uint32_t length, uint8_t beat_size);
-
-/** Start DMA transfer
- *
- * Kick starts transfer in DMA channel with specified channel id
- * @param[in] channelid    Channel id of DMA channel
- * @return non zero if success otherwise zero
- */
-bool dma_start_transfer(int channelid);
-
-/** DMA channel busy check
- *
- * To check whether DMA channel is busy with a job or not
- * @param[in] channelid    Channel id of DMA channel
- * @return non zero if busy otherwise zero
- */
-bool dma_busy(int channelid);
-
-/** DMA channel transfer completion check
- *
- * To check whether DMA channel job is completed or not
- * @param[in] channelid    Channel id of DMA channel
- * @return non zero if busy otherwise zero
- */
-bool dma_is_transfer_complete(int channelid);
-
-/** Registers callback function for DMA
- *
- * Registers callback function for DMA for specified events
- * @param[in] channelid    Channel id of DMA channel
- * @param[in] handler      Callback function pointer
- * @param[in] event        Events mask
- * @return void
- */
-void dma_set_handler(int channelid, uint32_t handler, uint32_t event);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _DMA_API_HAL_H */
\ No newline at end of file