mbed library sources. Supersedes mbed-src.
Fork of mbed-dev by
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?
User | Revision | Line number | New 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 |