mbed official / mbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_EFM32HG_STK3400/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h@108:34e6b704fe68, 2015-10-02 (annotated)

Committer:
Kojto
Date:
Fri Oct 02 07:35:07 2015 +0200
Revision:
108:34e6b704fe68
Parent:
100:cbbeb26dbd92
Child:
113:f141b2784e32
Release 108  of the mbed library



Changes:

- new platforms - ELMO_F411RE, WIZNET_7500P, ARM_MPS2_BEID

- EFM32 - bugfixes in rtc, serial

- Cortex A cmsis - update files

- STML4 - RAM fixes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 108:34e6b704fe68 1 /***************************************************************************//**
Kojto 108:34e6b704fe68 2 * @file dma_api_HAL.h
Kojto 108:34e6b704fe68 3 *******************************************************************************
Kojto 108:34e6b704fe68 4 * @section License
Kojto 108:34e6b704fe68 5 * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
Kojto 108:34e6b704fe68 6 *******************************************************************************
Kojto 98:8ab26030e058 7 *
Kojto 108:34e6b704fe68 8 * Permission is granted to anyone to use this software for any purpose,
Kojto 108:34e6b704fe68 9 * including commercial applications, and to alter it and redistribute it
Kojto 108:34e6b704fe68 10 * freely, subject to the following restrictions:
Kojto 98:8ab26030e058 11 *
Kojto 108:34e6b704fe68 12 * 1. The origin of this software must not be misrepresented; you must not
Kojto 108:34e6b704fe68 13 * claim that you wrote the original software.
Kojto 108:34e6b704fe68 14 * 2. Altered source versions must be plainly marked as such, and must not be
Kojto 108:34e6b704fe68 15 * misrepresented as being the original software.
Kojto 108:34e6b704fe68 16 * 3. This notice may not be removed or altered from any source distribution.
Kojto 98:8ab26030e058 17 *
Kojto 108:34e6b704fe68 18 * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
Kojto 108:34e6b704fe68 19 * obligation to support this Software. Silicon Labs is providing the
Kojto 108:34e6b704fe68 20 * Software "AS IS", with no express or implied warranties of any kind,
Kojto 108:34e6b704fe68 21 * including, but not limited to, any implied warranties of merchantability
Kojto 108:34e6b704fe68 22 * or fitness for any particular purpose or warranties against infringement
Kojto 108:34e6b704fe68 23 * of any proprietary rights of a third party.
Kojto 108:34e6b704fe68 24 *
Kojto 108:34e6b704fe68 25 * Silicon Labs will not be liable for any consequential, incidental, or
Kojto 108:34e6b704fe68 26 * special damages, or any other relief, or for any claim by any third party,
Kojto 108:34e6b704fe68 27 * arising from your use of this Software.
Kojto 108:34e6b704fe68 28 *
Kojto 108:34e6b704fe68 29 ******************************************************************************/
Kojto 108:34e6b704fe68 30
Kojto 98:8ab26030e058 31 #ifndef MBED_DMA_API_HAL_H
Kojto 98:8ab26030e058 32 #define MBED_DMA_API_HAL_H
Kojto 98:8ab26030e058 33
Kojto 98:8ab26030e058 34 #include <stdint.h>
Kojto 98:8ab26030e058 35 #include "dma_api.h"
Kojto 98:8ab26030e058 36 #include "em_dma.h"
Kojto 98:8ab26030e058 37
Kojto 98:8ab26030e058 38 #ifdef __cplusplus
Kojto 98:8ab26030e058 39 extern "C" {
Kojto 98:8ab26030e058 40 #endif
Kojto 98:8ab26030e058 41
Kojto 98:8ab26030e058 42 /* Purpose of this file: extend dma_api.h to include EFM-specific DMA attributes */
Kojto 98:8ab26030e058 43
Kojto 98:8ab26030e058 44 #define DMA_CAP_2DCOPY (1 << 0)
Kojto 98:8ab26030e058 45 #define DMA_CAP_NONE (0 << 0)
Kojto 98:8ab26030e058 46
Kojto 98:8ab26030e058 47 #if ( DMA_CHAN_COUNT <= 4 )
Kojto 98:8ab26030e058 48 #define DMACTRL_CH_CNT 4
Kojto 98:8ab26030e058 49 #define DMACTRL_ALIGNMENT 256
Kojto 98:8ab26030e058 50
Kojto 98:8ab26030e058 51 #elif ( ( DMA_CHAN_COUNT > 4 ) && ( DMA_CHAN_COUNT <= 8 ) )
Kojto 98:8ab26030e058 52 #define DMACTRL_CH_CNT 8
Kojto 98:8ab26030e058 53 #define DMACTRL_ALIGNMENT 256
Kojto 98:8ab26030e058 54
Kojto 98:8ab26030e058 55 #elif ( ( DMA_CHAN_COUNT > 8 ) && ( DMA_CHAN_COUNT <= 16 ) )
Kojto 98:8ab26030e058 56 #define DMACTRL_CH_CNT 16
Kojto 98:8ab26030e058 57 #define DMACTRL_ALIGNMENT 512
Kojto 98:8ab26030e058 58
Kojto 98:8ab26030e058 59 #else
Kojto 98:8ab26030e058 60 #error "Unsupported DMA channel count (dma_api.c)."
Kojto 98:8ab26030e058 61 #endif
Kojto 98:8ab26030e058 62
Kojto 98:8ab26030e058 63 typedef struct {
Kojto 100:cbbeb26dbd92 64 DMAUsage dmaUsageState;
Kojto 100:cbbeb26dbd92 65 int dmaChannel;
Kojto 100:cbbeb26dbd92 66 DMA_CB_TypeDef dmaCallback;
Kojto 98:8ab26030e058 67 } DMA_OPTIONS_t;
Kojto 98:8ab26030e058 68
Kojto 98:8ab26030e058 69 typedef void (*DMACallback)(void);
Kojto 98:8ab26030e058 70
Kojto 98:8ab26030e058 71 extern DMA_DESCRIPTOR_TypeDef dmaControlBlock[];
Kojto 98:8ab26030e058 72
Kojto 98:8ab26030e058 73 #ifdef __cplusplus
Kojto 98:8ab26030e058 74 }
Kojto 98:8ab26030e058 75 #endif
Kojto 98:8ab26030e058 76
Kojto 98:8ab26030e058 77 #endif