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This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h@525:c320967f86b9, 2015-04-28 (annotated)

Committer:
mbed_official
Date:
Tue Apr 28 11:45:12 2015 +0100
Revision:
525:c320967f86b9
Child:
548:1abac31e188e
Synchronized with git revision 299385b8331142b9dc524da7a986536f60b14553



Full URL: https://github.com/mbedmicro/mbed/commit/299385b8331142b9dc524da7a986536f60b14553/



Add in Silicon Labs targets with asynchronous API support

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 525:c320967f86b9 1 /* mbed Microcontroller Library
mbed_official 525:c320967f86b9 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 525:c320967f86b9 3 *
mbed_official 525:c320967f86b9 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 525:c320967f86b9 5 * you may not use this file except in compliance with the License.
mbed_official 525:c320967f86b9 6 * You may obtain a copy of the License at
mbed_official 525:c320967f86b9 7 *
mbed_official 525:c320967f86b9 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 525:c320967f86b9 9 *
mbed_official 525:c320967f86b9 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 525:c320967f86b9 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 525:c320967f86b9 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 525:c320967f86b9 13 * See the License for the specific language governing permissions and
mbed_official 525:c320967f86b9 14 * limitations under the License.
mbed_official 525:c320967f86b9 15 */
mbed_official 525:c320967f86b9 16 #ifndef MBED_DMA_API_HAL_H
mbed_official 525:c320967f86b9 17 #define MBED_DMA_API_HAL_H
mbed_official 525:c320967f86b9 18
mbed_official 525:c320967f86b9 19 #include <stdint.h>
mbed_official 525:c320967f86b9 20 #include "dma_api.h"
mbed_official 525:c320967f86b9 21 #include "em_dma.h"
mbed_official 525:c320967f86b9 22
mbed_official 525:c320967f86b9 23 #ifdef __cplusplus
mbed_official 525:c320967f86b9 24 extern "C" {
mbed_official 525:c320967f86b9 25 #endif
mbed_official 525:c320967f86b9 26
mbed_official 525:c320967f86b9 27 /* Purpose of this file: extend dma_api.h to include EFM-specific DMA attributes */
mbed_official 525:c320967f86b9 28
mbed_official 525:c320967f86b9 29 #define DMA_CAP_2DCOPY (1 << 0)
mbed_official 525:c320967f86b9 30 #define DMA_CAP_NONE (0 << 0)
mbed_official 525:c320967f86b9 31
mbed_official 525:c320967f86b9 32 #if ( DMA_CHAN_COUNT <= 4 )
mbed_official 525:c320967f86b9 33 #define DMACTRL_CH_CNT 4
mbed_official 525:c320967f86b9 34 #define DMACTRL_ALIGNMENT 256
mbed_official 525:c320967f86b9 35
mbed_official 525:c320967f86b9 36 #elif ( ( DMA_CHAN_COUNT > 4 ) && ( DMA_CHAN_COUNT <= 8 ) )
mbed_official 525:c320967f86b9 37 #define DMACTRL_CH_CNT 8
mbed_official 525:c320967f86b9 38 #define DMACTRL_ALIGNMENT 256
mbed_official 525:c320967f86b9 39
mbed_official 525:c320967f86b9 40 #elif ( ( DMA_CHAN_COUNT > 8 ) && ( DMA_CHAN_COUNT <= 16 ) )
mbed_official 525:c320967f86b9 41 #define DMACTRL_CH_CNT 16
mbed_official 525:c320967f86b9 42 #define DMACTRL_ALIGNMENT 512
mbed_official 525:c320967f86b9 43
mbed_official 525:c320967f86b9 44 #else
mbed_official 525:c320967f86b9 45 #error "Unsupported DMA channel count (dma_api.c)."
mbed_official 525:c320967f86b9 46 #endif
mbed_official 525:c320967f86b9 47
mbed_official 525:c320967f86b9 48 typedef struct {
mbed_official 525:c320967f86b9 49 DMAUsage dmaUsageState;
mbed_official 525:c320967f86b9 50 int dmaChannel;
mbed_official 525:c320967f86b9 51 DMA_CB_TypeDef dmaCallback;
mbed_official 525:c320967f86b9 52 } DMA_OPTIONS_t;
mbed_official 525:c320967f86b9 53
mbed_official 525:c320967f86b9 54 typedef void (*DMACallback)(void);
mbed_official 525:c320967f86b9 55
mbed_official 525:c320967f86b9 56 extern DMA_DESCRIPTOR_TypeDef dmaControlBlock[];
mbed_official 525:c320967f86b9 57
mbed_official 525:c320967f86b9 58 #ifdef __cplusplus
mbed_official 525:c320967f86b9 59 }
mbed_official 525:c320967f86b9 60 #endif
mbed_official 525:c320967f86b9 61
mbed_official 525:c320967f86b9 62 #endif