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TARGET_EFM32PG12_STK3402/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h@159:7130f322cb7e, 2017-12-21 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Dec 21 18:20:02 2017 +0000
- Revision:
- 159:7130f322cb7e
- Parent:
- 139:856d2700e60b
mbed library version 157
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 139:856d2700e60b | 1 | /***************************************************************************//** |
<> | 139:856d2700e60b | 2 | * @file dma_api_HAL.h |
<> | 139:856d2700e60b | 3 | ******************************************************************************* |
<> | 139:856d2700e60b | 4 | * @section License |
<> | 139:856d2700e60b | 5 | * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b> |
<> | 139:856d2700e60b | 6 | ******************************************************************************* |
<> | 139:856d2700e60b | 7 | * |
<> | 139:856d2700e60b | 8 | * SPDX-License-Identifier: Apache-2.0 |
<> | 139:856d2700e60b | 9 | * |
<> | 139:856d2700e60b | 10 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
<> | 139:856d2700e60b | 11 | * not use this file except in compliance with the License. |
<> | 139:856d2700e60b | 12 | * You may obtain a copy of the License at |
<> | 139:856d2700e60b | 13 | * |
<> | 139:856d2700e60b | 14 | * http://www.apache.org/licenses/LICENSE-2.0 |
<> | 139:856d2700e60b | 15 | * |
<> | 139:856d2700e60b | 16 | * Unless required by applicable law or agreed to in writing, software |
<> | 139:856d2700e60b | 17 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
<> | 139:856d2700e60b | 18 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
<> | 139:856d2700e60b | 19 | * See the License for the specific language governing permissions and |
<> | 139:856d2700e60b | 20 | * limitations under the License. |
<> | 139:856d2700e60b | 21 | * |
<> | 139:856d2700e60b | 22 | ******************************************************************************/ |
<> | 139:856d2700e60b | 23 | |
<> | 139:856d2700e60b | 24 | #ifndef MBED_DMA_API_HAL_H |
<> | 139:856d2700e60b | 25 | #define MBED_DMA_API_HAL_H |
<> | 139:856d2700e60b | 26 | |
<> | 139:856d2700e60b | 27 | #include <stdint.h> |
<> | 139:856d2700e60b | 28 | #include "dma_api.h" |
<> | 139:856d2700e60b | 29 | #include "em_device.h" |
<> | 139:856d2700e60b | 30 | |
<> | 139:856d2700e60b | 31 | #ifdef DMA_PRESENT |
<> | 139:856d2700e60b | 32 | #include "em_dma.h" |
<> | 139:856d2700e60b | 33 | #endif |
<> | 139:856d2700e60b | 34 | |
<> | 139:856d2700e60b | 35 | #ifdef LDMA_PRESENT |
<> | 139:856d2700e60b | 36 | #include "em_ldma.h" |
<> | 139:856d2700e60b | 37 | #endif |
<> | 139:856d2700e60b | 38 | |
<> | 139:856d2700e60b | 39 | #ifdef __cplusplus |
<> | 139:856d2700e60b | 40 | extern "C" { |
<> | 139:856d2700e60b | 41 | #endif |
<> | 139:856d2700e60b | 42 | |
<> | 139:856d2700e60b | 43 | /* Purpose of this file: extend dma_api.h to include EFM-specific DMA attributes */ |
<> | 139:856d2700e60b | 44 | |
<> | 139:856d2700e60b | 45 | #define DMA_CAP_2DCOPY (1 << 0) |
<> | 139:856d2700e60b | 46 | #define DMA_CAP_NONE (0 << 0) |
<> | 139:856d2700e60b | 47 | |
mbed_official | 159:7130f322cb7e | 48 | #ifdef DMA_PRESENT |
<> | 139:856d2700e60b | 49 | #if ( DMA_CHAN_COUNT <= 4 ) |
<> | 139:856d2700e60b | 50 | #define DMACTRL_CH_CNT 4 |
<> | 139:856d2700e60b | 51 | #define DMACTRL_ALIGNMENT 256 |
<> | 139:856d2700e60b | 52 | |
<> | 139:856d2700e60b | 53 | #elif ( ( DMA_CHAN_COUNT > 4 ) && ( DMA_CHAN_COUNT <= 8 ) ) |
<> | 139:856d2700e60b | 54 | #define DMACTRL_CH_CNT 8 |
<> | 139:856d2700e60b | 55 | #define DMACTRL_ALIGNMENT 256 |
<> | 139:856d2700e60b | 56 | |
<> | 139:856d2700e60b | 57 | #elif ( ( DMA_CHAN_COUNT > 8 ) && ( DMA_CHAN_COUNT <= 16 ) ) |
<> | 139:856d2700e60b | 58 | #define DMACTRL_CH_CNT 16 |
<> | 139:856d2700e60b | 59 | #define DMACTRL_ALIGNMENT 512 |
<> | 139:856d2700e60b | 60 | |
<> | 139:856d2700e60b | 61 | #else |
<> | 139:856d2700e60b | 62 | #error "Unsupported DMA channel count (dma_api.c)." |
<> | 139:856d2700e60b | 63 | #endif |
mbed_official | 159:7130f322cb7e | 64 | #endif |
<> | 139:856d2700e60b | 65 | |
<> | 139:856d2700e60b | 66 | #ifdef LDMA_PRESENT |
<> | 139:856d2700e60b | 67 | typedef void (*LDMAx_CBFunc_t)(unsigned int channel, bool primary, void *user); |
<> | 139:856d2700e60b | 68 | |
<> | 139:856d2700e60b | 69 | typedef struct |
<> | 139:856d2700e60b | 70 | { |
<> | 139:856d2700e60b | 71 | LDMAx_CBFunc_t cbFunc; |
<> | 139:856d2700e60b | 72 | void *userPtr; |
<> | 139:856d2700e60b | 73 | } LDMAx_Callback_t; |
<> | 139:856d2700e60b | 74 | |
<> | 139:856d2700e60b | 75 | void LDMAx_StartTransfer( int ch, |
<> | 139:856d2700e60b | 76 | LDMA_TransferCfg_t *transfer, |
<> | 139:856d2700e60b | 77 | LDMA_Descriptor_t *descriptor, |
<> | 139:856d2700e60b | 78 | LDMAx_CBFunc_t cbFunc, |
<> | 139:856d2700e60b | 79 | void *userData ); |
<> | 139:856d2700e60b | 80 | bool LDMAx_ChannelEnabled( int ch ); |
<> | 139:856d2700e60b | 81 | #endif |
<> | 139:856d2700e60b | 82 | |
<> | 139:856d2700e60b | 83 | typedef struct { |
<> | 139:856d2700e60b | 84 | DMAUsage dmaUsageState; |
<> | 139:856d2700e60b | 85 | int dmaChannel; |
<> | 139:856d2700e60b | 86 | #ifndef LDMA_PRESENT |
<> | 139:856d2700e60b | 87 | DMA_CB_TypeDef dmaCallback; |
<> | 139:856d2700e60b | 88 | #else |
<> | 139:856d2700e60b | 89 | LDMAx_Callback_t dmaCallback; |
<> | 139:856d2700e60b | 90 | #endif |
<> | 139:856d2700e60b | 91 | } DMA_OPTIONS_t; |
<> | 139:856d2700e60b | 92 | |
<> | 139:856d2700e60b | 93 | typedef void (*DMACallback)(void); |
<> | 139:856d2700e60b | 94 | |
<> | 139:856d2700e60b | 95 | extern DMA_DESCRIPTOR_TypeDef dmaControlBlock[]; |
<> | 139:856d2700e60b | 96 | |
<> | 139:856d2700e60b | 97 | #ifdef __cplusplus |
<> | 139:856d2700e60b | 98 | } |
<> | 139:856d2700e60b | 99 | #endif |
<> | 139:856d2700e60b | 100 | |
<> | 139:856d2700e60b | 101 | #endif |