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TARGET_EFM32PG_STK3401/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h@143:86740a56073b, 2017-05-26 (annotated)

Committer:
AnnaBridge
Date:
Fri May 26 12:30:20 2017 +0100
Revision:
143:86740a56073b
Parent:
122:f9eeca106725 
Release 143 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 119:aae6fcc7d9bb 1 /***************************************************************************//**
Kojto 119:aae6fcc7d9bb 2 * @file dma_api_HAL.h
Kojto 119:aae6fcc7d9bb 3 *******************************************************************************
Kojto 119:aae6fcc7d9bb 4 * @section License
Kojto 119:aae6fcc7d9bb 5 * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
Kojto 119:aae6fcc7d9bb 6 *******************************************************************************
Kojto 119:aae6fcc7d9bb 7 *
Kojto 122:f9eeca106725 8 * SPDX-License-Identifier: Apache-2.0
Kojto 119:aae6fcc7d9bb 9 *
Kojto 122:f9eeca106725 10 * Licensed under the Apache License, Version 2.0 (the "License"); you may
Kojto 122:f9eeca106725 11 * not use this file except in compliance with the License.
Kojto 122:f9eeca106725 12 * You may obtain a copy of the License at
Kojto 119:aae6fcc7d9bb 13 *
Kojto 122:f9eeca106725 14 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 119:aae6fcc7d9bb 15 *
Kojto 122:f9eeca106725 16 * Unless required by applicable law or agreed to in writing, software
Kojto 122:f9eeca106725 17 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Kojto 122:f9eeca106725 18 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 122:f9eeca106725 19 * See the License for the specific language governing permissions and
Kojto 122:f9eeca106725 20 * limitations under the License.
Kojto 119:aae6fcc7d9bb 21 *
Kojto 119:aae6fcc7d9bb 22 ******************************************************************************/
Kojto 119:aae6fcc7d9bb 23
Kojto 119:aae6fcc7d9bb 24 #ifndef MBED_DMA_API_HAL_H
Kojto 119:aae6fcc7d9bb 25 #define MBED_DMA_API_HAL_H
Kojto 119:aae6fcc7d9bb 26
Kojto 119:aae6fcc7d9bb 27 #include <stdint.h>
Kojto 119:aae6fcc7d9bb 28 #include "dma_api.h"
Kojto 119:aae6fcc7d9bb 29 #include "em_device.h"
Kojto 119:aae6fcc7d9bb 30
Kojto 119:aae6fcc7d9bb 31 #ifdef DMA_PRESENT
Kojto 119:aae6fcc7d9bb 32 #include "em_dma.h"
Kojto 119:aae6fcc7d9bb 33 #endif
Kojto 119:aae6fcc7d9bb 34
Kojto 119:aae6fcc7d9bb 35 #ifdef LDMA_PRESENT
Kojto 119:aae6fcc7d9bb 36 #include "em_ldma.h"
Kojto 119:aae6fcc7d9bb 37 #endif
Kojto 119:aae6fcc7d9bb 38
Kojto 119:aae6fcc7d9bb 39 #ifdef __cplusplus
Kojto 119:aae6fcc7d9bb 40 extern "C" {
Kojto 119:aae6fcc7d9bb 41 #endif
Kojto 119:aae6fcc7d9bb 42
Kojto 119:aae6fcc7d9bb 43 /* Purpose of this file: extend dma_api.h to include EFM-specific DMA attributes */
Kojto 119:aae6fcc7d9bb 44
Kojto 119:aae6fcc7d9bb 45 #define DMA_CAP_2DCOPY (1 << 0)
Kojto 119:aae6fcc7d9bb 46 #define DMA_CAP_NONE (0 << 0)
Kojto 119:aae6fcc7d9bb 47
Kojto 119:aae6fcc7d9bb 48 #if ( DMA_CHAN_COUNT <= 4 )
Kojto 119:aae6fcc7d9bb 49 #define DMACTRL_CH_CNT 4
Kojto 119:aae6fcc7d9bb 50 #define DMACTRL_ALIGNMENT 256
Kojto 119:aae6fcc7d9bb 51
Kojto 119:aae6fcc7d9bb 52 #elif ( ( DMA_CHAN_COUNT > 4 ) && ( DMA_CHAN_COUNT <= 8 ) )
Kojto 119:aae6fcc7d9bb 53 #define DMACTRL_CH_CNT 8
Kojto 119:aae6fcc7d9bb 54 #define DMACTRL_ALIGNMENT 256
Kojto 119:aae6fcc7d9bb 55
Kojto 119:aae6fcc7d9bb 56 #elif ( ( DMA_CHAN_COUNT > 8 ) && ( DMA_CHAN_COUNT <= 16 ) )
Kojto 119:aae6fcc7d9bb 57 #define DMACTRL_CH_CNT 16
Kojto 119:aae6fcc7d9bb 58 #define DMACTRL_ALIGNMENT 512
Kojto 119:aae6fcc7d9bb 59
Kojto 119:aae6fcc7d9bb 60 #else
Kojto 119:aae6fcc7d9bb 61 #error "Unsupported DMA channel count (dma_api.c)."
Kojto 119:aae6fcc7d9bb 62 #endif
Kojto 119:aae6fcc7d9bb 63
Kojto 119:aae6fcc7d9bb 64 #ifdef LDMA_PRESENT
Kojto 119:aae6fcc7d9bb 65 typedef void (*LDMAx_CBFunc_t)(unsigned int channel, bool primary, void *user);
Kojto 119:aae6fcc7d9bb 66
Kojto 119:aae6fcc7d9bb 67 typedef struct
Kojto 119:aae6fcc7d9bb 68 {
Kojto 119:aae6fcc7d9bb 69 LDMAx_CBFunc_t cbFunc;
Kojto 119:aae6fcc7d9bb 70 void *userPtr;
Kojto 119:aae6fcc7d9bb 71 } LDMAx_Callback_t;
Kojto 119:aae6fcc7d9bb 72
Kojto 119:aae6fcc7d9bb 73 void LDMAx_StartTransfer( int ch,
Kojto 119:aae6fcc7d9bb 74 LDMA_TransferCfg_t *transfer,
Kojto 119:aae6fcc7d9bb 75 LDMA_Descriptor_t *descriptor,
Kojto 119:aae6fcc7d9bb 76 LDMAx_CBFunc_t cbFunc,
Kojto 119:aae6fcc7d9bb 77 void *userData );
Kojto 119:aae6fcc7d9bb 78 bool LDMAx_ChannelEnabled( int ch );
Kojto 119:aae6fcc7d9bb 79 #endif
Kojto 119:aae6fcc7d9bb 80
Kojto 119:aae6fcc7d9bb 81 typedef struct {
Kojto 119:aae6fcc7d9bb 82 DMAUsage dmaUsageState;
Kojto 119:aae6fcc7d9bb 83 int dmaChannel;
Kojto 119:aae6fcc7d9bb 84 #ifndef LDMA_PRESENT
Kojto 119:aae6fcc7d9bb 85 DMA_CB_TypeDef dmaCallback;
Kojto 119:aae6fcc7d9bb 86 #else
Kojto 119:aae6fcc7d9bb 87 LDMAx_Callback_t dmaCallback;
Kojto 119:aae6fcc7d9bb 88 #endif
Kojto 119:aae6fcc7d9bb 89 } DMA_OPTIONS_t;
Kojto 119:aae6fcc7d9bb 90
Kojto 119:aae6fcc7d9bb 91 typedef void (*DMACallback)(void);
Kojto 119:aae6fcc7d9bb 92
Kojto 119:aae6fcc7d9bb 93 extern DMA_DESCRIPTOR_TypeDef dmaControlBlock[];
Kojto 119:aae6fcc7d9bb 94
Kojto 119:aae6fcc7d9bb 95 #ifdef __cplusplus
Kojto 119:aae6fcc7d9bb 96 }
Kojto 119:aae6fcc7d9bb 97 #endif
Kojto 119:aae6fcc7d9bb 98
Kojto 119:aae6fcc7d9bb 99 #endif