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targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h@627:4fa1328d9c60, 2015-09-25 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Sep 25 14:15:10 2015 +0100
- Revision:
- 627:4fa1328d9c60
- Parent:
- 548:1abac31e188e
Synchronized with git revision fe238a91ab7a4d1d72c4cab9da04967c619d54ad
Full URL: https://github.com/mbedmicro/mbed/commit/fe238a91ab7a4d1d72c4cab9da04967c619d54ad/
Silicon Labs - Add support for low-power async Serial
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 627:4fa1328d9c60 | 1 | /***************************************************************************//** |
mbed_official | 627:4fa1328d9c60 | 2 | * @file dma_api_HAL.h |
mbed_official | 627:4fa1328d9c60 | 3 | ******************************************************************************* |
mbed_official | 627:4fa1328d9c60 | 4 | * @section License |
mbed_official | 627:4fa1328d9c60 | 5 | * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b> |
mbed_official | 627:4fa1328d9c60 | 6 | ******************************************************************************* |
mbed_official | 525:c320967f86b9 | 7 | * |
mbed_official | 627:4fa1328d9c60 | 8 | * Permission is granted to anyone to use this software for any purpose, |
mbed_official | 627:4fa1328d9c60 | 9 | * including commercial applications, and to alter it and redistribute it |
mbed_official | 627:4fa1328d9c60 | 10 | * freely, subject to the following restrictions: |
mbed_official | 525:c320967f86b9 | 11 | * |
mbed_official | 627:4fa1328d9c60 | 12 | * 1. The origin of this software must not be misrepresented; you must not |
mbed_official | 627:4fa1328d9c60 | 13 | * claim that you wrote the original software. |
mbed_official | 627:4fa1328d9c60 | 14 | * 2. Altered source versions must be plainly marked as such, and must not be |
mbed_official | 627:4fa1328d9c60 | 15 | * misrepresented as being the original software. |
mbed_official | 627:4fa1328d9c60 | 16 | * 3. This notice may not be removed or altered from any source distribution. |
mbed_official | 525:c320967f86b9 | 17 | * |
mbed_official | 627:4fa1328d9c60 | 18 | * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no |
mbed_official | 627:4fa1328d9c60 | 19 | * obligation to support this Software. Silicon Labs is providing the |
mbed_official | 627:4fa1328d9c60 | 20 | * Software "AS IS", with no express or implied warranties of any kind, |
mbed_official | 627:4fa1328d9c60 | 21 | * including, but not limited to, any implied warranties of merchantability |
mbed_official | 627:4fa1328d9c60 | 22 | * or fitness for any particular purpose or warranties against infringement |
mbed_official | 627:4fa1328d9c60 | 23 | * of any proprietary rights of a third party. |
mbed_official | 627:4fa1328d9c60 | 24 | * |
mbed_official | 627:4fa1328d9c60 | 25 | * Silicon Labs will not be liable for any consequential, incidental, or |
mbed_official | 627:4fa1328d9c60 | 26 | * special damages, or any other relief, or for any claim by any third party, |
mbed_official | 627:4fa1328d9c60 | 27 | * arising from your use of this Software. |
mbed_official | 627:4fa1328d9c60 | 28 | * |
mbed_official | 627:4fa1328d9c60 | 29 | ******************************************************************************/ |
mbed_official | 627:4fa1328d9c60 | 30 | |
mbed_official | 525:c320967f86b9 | 31 | #ifndef MBED_DMA_API_HAL_H |
mbed_official | 525:c320967f86b9 | 32 | #define MBED_DMA_API_HAL_H |
mbed_official | 525:c320967f86b9 | 33 | |
mbed_official | 525:c320967f86b9 | 34 | #include <stdint.h> |
mbed_official | 525:c320967f86b9 | 35 | #include "dma_api.h" |
mbed_official | 525:c320967f86b9 | 36 | #include "em_dma.h" |
mbed_official | 525:c320967f86b9 | 37 | |
mbed_official | 525:c320967f86b9 | 38 | #ifdef __cplusplus |
mbed_official | 525:c320967f86b9 | 39 | extern "C" { |
mbed_official | 525:c320967f86b9 | 40 | #endif |
mbed_official | 525:c320967f86b9 | 41 | |
mbed_official | 525:c320967f86b9 | 42 | /* Purpose of this file: extend dma_api.h to include EFM-specific DMA attributes */ |
mbed_official | 525:c320967f86b9 | 43 | |
mbed_official | 525:c320967f86b9 | 44 | #define DMA_CAP_2DCOPY (1 << 0) |
mbed_official | 525:c320967f86b9 | 45 | #define DMA_CAP_NONE (0 << 0) |
mbed_official | 525:c320967f86b9 | 46 | |
mbed_official | 525:c320967f86b9 | 47 | #if ( DMA_CHAN_COUNT <= 4 ) |
mbed_official | 525:c320967f86b9 | 48 | #define DMACTRL_CH_CNT 4 |
mbed_official | 525:c320967f86b9 | 49 | #define DMACTRL_ALIGNMENT 256 |
mbed_official | 525:c320967f86b9 | 50 | |
mbed_official | 525:c320967f86b9 | 51 | #elif ( ( DMA_CHAN_COUNT > 4 ) && ( DMA_CHAN_COUNT <= 8 ) ) |
mbed_official | 525:c320967f86b9 | 52 | #define DMACTRL_CH_CNT 8 |
mbed_official | 525:c320967f86b9 | 53 | #define DMACTRL_ALIGNMENT 256 |
mbed_official | 525:c320967f86b9 | 54 | |
mbed_official | 525:c320967f86b9 | 55 | #elif ( ( DMA_CHAN_COUNT > 8 ) && ( DMA_CHAN_COUNT <= 16 ) ) |
mbed_official | 525:c320967f86b9 | 56 | #define DMACTRL_CH_CNT 16 |
mbed_official | 525:c320967f86b9 | 57 | #define DMACTRL_ALIGNMENT 512 |
mbed_official | 525:c320967f86b9 | 58 | |
mbed_official | 525:c320967f86b9 | 59 | #else |
mbed_official | 525:c320967f86b9 | 60 | #error "Unsupported DMA channel count (dma_api.c)." |
mbed_official | 525:c320967f86b9 | 61 | #endif |
mbed_official | 525:c320967f86b9 | 62 | |
mbed_official | 525:c320967f86b9 | 63 | typedef struct { |
mbed_official | 548:1abac31e188e | 64 | DMAUsage dmaUsageState; |
mbed_official | 548:1abac31e188e | 65 | int dmaChannel; |
mbed_official | 548:1abac31e188e | 66 | DMA_CB_TypeDef dmaCallback; |
mbed_official | 525:c320967f86b9 | 67 | } DMA_OPTIONS_t; |
mbed_official | 525:c320967f86b9 | 68 | |
mbed_official | 525:c320967f86b9 | 69 | typedef void (*DMACallback)(void); |
mbed_official | 525:c320967f86b9 | 70 | |
mbed_official | 525:c320967f86b9 | 71 | extern DMA_DESCRIPTOR_TypeDef dmaControlBlock[]; |
mbed_official | 525:c320967f86b9 | 72 | |
mbed_official | 525:c320967f86b9 | 73 | #ifdef __cplusplus |
mbed_official | 525:c320967f86b9 | 74 | } |
mbed_official | 525:c320967f86b9 | 75 | #endif |
mbed_official | 525:c320967f86b9 | 76 | |
mbed_official | 525:c320967f86b9 | 77 | #endif |