rik te winkel / mbed-dev

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Fork of mbed-dev by mbed official

targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h@50:a417edff4437, 2016-01-15 (annotated)

Committer:
mbed_official
Date:
Fri Jan 15 07:45:16 2016 +0000
Revision:
50:a417edff4437
Parent:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Synchronized with git revision 6010f32619bfcbb01cc73747d4ff9040863482d9



Full URL: https://github.com/mbedmicro/mbed/commit/6010f32619bfcbb01cc73747d4ff9040863482d9/



Remove doubling of buffer size in realiseEndpoint()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 2 * @file dma_api_HAL.h
bogdanm 0:9b334a45a8ff 3 *******************************************************************************
bogdanm 0:9b334a45a8ff 4 * @section License
bogdanm 0:9b334a45a8ff 5 * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
bogdanm 0:9b334a45a8ff 6 *******************************************************************************
bogdanm 0:9b334a45a8ff 7 *
bogdanm 0:9b334a45a8ff 8 * Permission is granted to anyone to use this software for any purpose,
bogdanm 0:9b334a45a8ff 9 * including commercial applications, and to alter it and redistribute it
bogdanm 0:9b334a45a8ff 10 * freely, subject to the following restrictions:
bogdanm 0:9b334a45a8ff 11 *
bogdanm 0:9b334a45a8ff 12 * 1. The origin of this software must not be misrepresented; you must not
bogdanm 0:9b334a45a8ff 13 * claim that you wrote the original software.
bogdanm 0:9b334a45a8ff 14 * 2. Altered source versions must be plainly marked as such, and must not be
bogdanm 0:9b334a45a8ff 15 * misrepresented as being the original software.
bogdanm 0:9b334a45a8ff 16 * 3. This notice may not be removed or altered from any source distribution.
bogdanm 0:9b334a45a8ff 17 *
bogdanm 0:9b334a45a8ff 18 * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
bogdanm 0:9b334a45a8ff 19 * obligation to support this Software. Silicon Labs is providing the
bogdanm 0:9b334a45a8ff 20 * Software "AS IS", with no express or implied warranties of any kind,
bogdanm 0:9b334a45a8ff 21 * including, but not limited to, any implied warranties of merchantability
bogdanm 0:9b334a45a8ff 22 * or fitness for any particular purpose or warranties against infringement
bogdanm 0:9b334a45a8ff 23 * of any proprietary rights of a third party.
bogdanm 0:9b334a45a8ff 24 *
bogdanm 0:9b334a45a8ff 25 * Silicon Labs will not be liable for any consequential, incidental, or
bogdanm 0:9b334a45a8ff 26 * special damages, or any other relief, or for any claim by any third party,
bogdanm 0:9b334a45a8ff 27 * arising from your use of this Software.
bogdanm 0:9b334a45a8ff 28 *
bogdanm 0:9b334a45a8ff 29 ******************************************************************************/
bogdanm 0:9b334a45a8ff 30
bogdanm 0:9b334a45a8ff 31 #ifndef MBED_DMA_API_HAL_H
bogdanm 0:9b334a45a8ff 32 #define MBED_DMA_API_HAL_H
bogdanm 0:9b334a45a8ff 33
bogdanm 0:9b334a45a8ff 34 #include <stdint.h>
bogdanm 0:9b334a45a8ff 35 #include "dma_api.h"
mbed_official 50:a417edff4437 36 #include "em_device.h"
mbed_official 50:a417edff4437 37
mbed_official 50:a417edff4437 38 #ifdef DMA_PRESENT
bogdanm 0:9b334a45a8ff 39 #include "em_dma.h"
mbed_official 50:a417edff4437 40 #endif
mbed_official 50:a417edff4437 41
mbed_official 50:a417edff4437 42 #ifdef LDMA_PRESENT
mbed_official 50:a417edff4437 43 #include "em_ldma.h"
mbed_official 50:a417edff4437 44 #endif
bogdanm 0:9b334a45a8ff 45
bogdanm 0:9b334a45a8ff 46 #ifdef __cplusplus
bogdanm 0:9b334a45a8ff 47 extern "C" {
bogdanm 0:9b334a45a8ff 48 #endif
bogdanm 0:9b334a45a8ff 49
bogdanm 0:9b334a45a8ff 50 /* Purpose of this file: extend dma_api.h to include EFM-specific DMA attributes */
bogdanm 0:9b334a45a8ff 51
bogdanm 0:9b334a45a8ff 52 #define DMA_CAP_2DCOPY (1 << 0)
bogdanm 0:9b334a45a8ff 53 #define DMA_CAP_NONE (0 << 0)
bogdanm 0:9b334a45a8ff 54
bogdanm 0:9b334a45a8ff 55 #if ( DMA_CHAN_COUNT <= 4 )
bogdanm 0:9b334a45a8ff 56 #define DMACTRL_CH_CNT 4
bogdanm 0:9b334a45a8ff 57 #define DMACTRL_ALIGNMENT 256
bogdanm 0:9b334a45a8ff 58
bogdanm 0:9b334a45a8ff 59 #elif ( ( DMA_CHAN_COUNT > 4 ) && ( DMA_CHAN_COUNT <= 8 ) )
bogdanm 0:9b334a45a8ff 60 #define DMACTRL_CH_CNT 8
bogdanm 0:9b334a45a8ff 61 #define DMACTRL_ALIGNMENT 256
bogdanm 0:9b334a45a8ff 62
bogdanm 0:9b334a45a8ff 63 #elif ( ( DMA_CHAN_COUNT > 8 ) && ( DMA_CHAN_COUNT <= 16 ) )
bogdanm 0:9b334a45a8ff 64 #define DMACTRL_CH_CNT 16
bogdanm 0:9b334a45a8ff 65 #define DMACTRL_ALIGNMENT 512
bogdanm 0:9b334a45a8ff 66
bogdanm 0:9b334a45a8ff 67 #else
bogdanm 0:9b334a45a8ff 68 #error "Unsupported DMA channel count (dma_api.c)."
bogdanm 0:9b334a45a8ff 69 #endif
bogdanm 0:9b334a45a8ff 70
mbed_official 50:a417edff4437 71 #ifdef LDMA_PRESENT
mbed_official 50:a417edff4437 72 typedef void (*LDMAx_CBFunc_t)(unsigned int channel, bool primary, void *user);
mbed_official 50:a417edff4437 73
mbed_official 50:a417edff4437 74 typedef struct
mbed_official 50:a417edff4437 75 {
mbed_official 50:a417edff4437 76 LDMAx_CBFunc_t cbFunc;
mbed_official 50:a417edff4437 77 void *userPtr;
mbed_official 50:a417edff4437 78 } LDMAx_Callback_t;
mbed_official 50:a417edff4437 79
mbed_official 50:a417edff4437 80 void LDMAx_StartTransfer( int ch,
mbed_official 50:a417edff4437 81 LDMA_TransferCfg_t *transfer,
mbed_official 50:a417edff4437 82 LDMA_Descriptor_t *descriptor,
mbed_official 50:a417edff4437 83 LDMAx_CBFunc_t cbFunc,
mbed_official 50:a417edff4437 84 void *userData );
mbed_official 50:a417edff4437 85 bool LDMAx_ChannelEnabled( int ch );
mbed_official 50:a417edff4437 86 #endif
mbed_official 50:a417edff4437 87
bogdanm 0:9b334a45a8ff 88 typedef struct {
bogdanm 0:9b334a45a8ff 89 DMAUsage dmaUsageState;
bogdanm 0:9b334a45a8ff 90 int dmaChannel;
mbed_official 50:a417edff4437 91 #ifndef LDMA_PRESENT
bogdanm 0:9b334a45a8ff 92 DMA_CB_TypeDef dmaCallback;
mbed_official 50:a417edff4437 93 #else
mbed_official 50:a417edff4437 94 LDMAx_Callback_t dmaCallback;
mbed_official 50:a417edff4437 95 #endif
bogdanm 0:9b334a45a8ff 96 } DMA_OPTIONS_t;
bogdanm 0:9b334a45a8ff 97
bogdanm 0:9b334a45a8ff 98 typedef void (*DMACallback)(void);
bogdanm 0:9b334a45a8ff 99
bogdanm 0:9b334a45a8ff 100 extern DMA_DESCRIPTOR_TypeDef dmaControlBlock[];
bogdanm 0:9b334a45a8ff 101
bogdanm 0:9b334a45a8ff 102 #ifdef __cplusplus
bogdanm 0:9b334a45a8ff 103 }
bogdanm 0:9b334a45a8ff 104 #endif
bogdanm 0:9b334a45a8ff 105
bogdanm 0:9b334a45a8ff 106 #endif