mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
179:b0033dcd6934 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 2 * @file dma_api_HAL.h
<> 144:ef7eb2e8f9f7 3 *******************************************************************************
<> 144:ef7eb2e8f9f7 4 * @section License
<> 144:ef7eb2e8f9f7 5 * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
<> 144:ef7eb2e8f9f7 6 *******************************************************************************
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * SPDX-License-Identifier: Apache-2.0
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * Licensed under the Apache License, Version 2.0 (the "License"); you may
<> 144:ef7eb2e8f9f7 11 * not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 12 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 13 *
<> 144:ef7eb2e8f9f7 14 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 15 *
<> 144:ef7eb2e8f9f7 16 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 17 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
<> 144:ef7eb2e8f9f7 18 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 19 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 20 * limitations under the License.
<> 144:ef7eb2e8f9f7 21 *
<> 144:ef7eb2e8f9f7 22 ******************************************************************************/
<> 144:ef7eb2e8f9f7 23
<> 144:ef7eb2e8f9f7 24 #ifndef MBED_DMA_API_HAL_H
<> 144:ef7eb2e8f9f7 25 #define MBED_DMA_API_HAL_H
<> 144:ef7eb2e8f9f7 26
<> 144:ef7eb2e8f9f7 27 #include <stdint.h>
<> 144:ef7eb2e8f9f7 28 #include "dma_api.h"
<> 144:ef7eb2e8f9f7 29 #include "em_device.h"
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 #ifdef DMA_PRESENT
<> 144:ef7eb2e8f9f7 32 #include "em_dma.h"
<> 144:ef7eb2e8f9f7 33 #endif
<> 144:ef7eb2e8f9f7 34
<> 144:ef7eb2e8f9f7 35 #ifdef LDMA_PRESENT
<> 144:ef7eb2e8f9f7 36 #include "em_ldma.h"
<> 144:ef7eb2e8f9f7 37 #endif
<> 144:ef7eb2e8f9f7 38
<> 144:ef7eb2e8f9f7 39 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 40 extern "C" {
<> 144:ef7eb2e8f9f7 41 #endif
<> 144:ef7eb2e8f9f7 42
<> 144:ef7eb2e8f9f7 43 /* Purpose of this file: extend dma_api.h to include EFM-specific DMA attributes */
<> 144:ef7eb2e8f9f7 44
<> 144:ef7eb2e8f9f7 45 #define DMA_CAP_2DCOPY (1 << 0)
<> 144:ef7eb2e8f9f7 46 #define DMA_CAP_NONE (0 << 0)
<> 144:ef7eb2e8f9f7 47
AnnaBridge 179:b0033dcd6934 48 #ifdef DMA_PRESENT
<> 144:ef7eb2e8f9f7 49 #if ( DMA_CHAN_COUNT <= 4 )
<> 144:ef7eb2e8f9f7 50 #define DMACTRL_CH_CNT 4
<> 144:ef7eb2e8f9f7 51 #define DMACTRL_ALIGNMENT 256
<> 144:ef7eb2e8f9f7 52
<> 144:ef7eb2e8f9f7 53 #elif ( ( DMA_CHAN_COUNT > 4 ) && ( DMA_CHAN_COUNT <= 8 ) )
<> 144:ef7eb2e8f9f7 54 #define DMACTRL_CH_CNT 8
<> 144:ef7eb2e8f9f7 55 #define DMACTRL_ALIGNMENT 256
<> 144:ef7eb2e8f9f7 56
<> 144:ef7eb2e8f9f7 57 #elif ( ( DMA_CHAN_COUNT > 8 ) && ( DMA_CHAN_COUNT <= 16 ) )
<> 144:ef7eb2e8f9f7 58 #define DMACTRL_CH_CNT 16
<> 144:ef7eb2e8f9f7 59 #define DMACTRL_ALIGNMENT 512
<> 144:ef7eb2e8f9f7 60
<> 144:ef7eb2e8f9f7 61 #else
<> 144:ef7eb2e8f9f7 62 #error "Unsupported DMA channel count (dma_api.c)."
<> 144:ef7eb2e8f9f7 63 #endif
AnnaBridge 179:b0033dcd6934 64 #endif
<> 144:ef7eb2e8f9f7 65
<> 144:ef7eb2e8f9f7 66 #ifdef LDMA_PRESENT
<> 144:ef7eb2e8f9f7 67 typedef void (*LDMAx_CBFunc_t)(unsigned int channel, bool primary, void *user);
<> 144:ef7eb2e8f9f7 68
<> 144:ef7eb2e8f9f7 69 typedef struct
<> 144:ef7eb2e8f9f7 70 {
<> 144:ef7eb2e8f9f7 71 LDMAx_CBFunc_t cbFunc;
<> 144:ef7eb2e8f9f7 72 void *userPtr;
<> 144:ef7eb2e8f9f7 73 } LDMAx_Callback_t;
<> 144:ef7eb2e8f9f7 74
<> 144:ef7eb2e8f9f7 75 void LDMAx_StartTransfer( int ch,
<> 144:ef7eb2e8f9f7 76 LDMA_TransferCfg_t *transfer,
<> 144:ef7eb2e8f9f7 77 LDMA_Descriptor_t *descriptor,
<> 144:ef7eb2e8f9f7 78 LDMAx_CBFunc_t cbFunc,
<> 144:ef7eb2e8f9f7 79 void *userData );
<> 144:ef7eb2e8f9f7 80 bool LDMAx_ChannelEnabled( int ch );
<> 144:ef7eb2e8f9f7 81 #endif
<> 144:ef7eb2e8f9f7 82
<> 144:ef7eb2e8f9f7 83 typedef struct {
<> 144:ef7eb2e8f9f7 84 DMAUsage dmaUsageState;
<> 144:ef7eb2e8f9f7 85 int dmaChannel;
<> 144:ef7eb2e8f9f7 86 #ifndef LDMA_PRESENT
<> 144:ef7eb2e8f9f7 87 DMA_CB_TypeDef dmaCallback;
<> 144:ef7eb2e8f9f7 88 #else
<> 144:ef7eb2e8f9f7 89 LDMAx_Callback_t dmaCallback;
<> 144:ef7eb2e8f9f7 90 #endif
<> 144:ef7eb2e8f9f7 91 } DMA_OPTIONS_t;
<> 144:ef7eb2e8f9f7 92
<> 144:ef7eb2e8f9f7 93 typedef void (*DMACallback)(void);
<> 144:ef7eb2e8f9f7 94
<> 144:ef7eb2e8f9f7 95 extern DMA_DESCRIPTOR_TypeDef dmaControlBlock[];
<> 144:ef7eb2e8f9f7 96
<> 144:ef7eb2e8f9f7 97 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 98 }
<> 144:ef7eb2e8f9f7 99 #endif
<> 144:ef7eb2e8f9f7 100
<> 144:ef7eb2e8f9f7 101 #endif