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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_EFM32LG_STK3600/TARGET_Silicon_Labs/TARGET_EFM32/dma_api_HAL.h@113:f141b2784e32, 2016-02-02 (annotated)

Committer:
Kojto
Date:
Tue Feb 02 14:43:35 2016 +0000
Revision:
113:f141b2784e32
Parent:
108:34e6b704fe68
Child:
122:f9eeca106725
Release 113 of the mbed library



Changes:

- new targets - Silabs Perl Gecko, TY51822

- Silabs - emlib update to 4.1.0, various bugfixes as result

- STM B96B_F446VE - add async serial support

- Freescale KLXX - rtc lock fix

- LPC11U68 and LPC1549 - pwm bugfixes - duty cycle

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 113:f141b2784e32 36 #include "em_device.h"
Kojto 113:f141b2784e32 37
Kojto 113:f141b2784e32 38 #ifdef DMA_PRESENT
Kojto 98:8ab26030e058 39 #include "em_dma.h"
Kojto 113:f141b2784e32 40 #endif
Kojto 113:f141b2784e32 41
Kojto 113:f141b2784e32 42 #ifdef LDMA_PRESENT
Kojto 113:f141b2784e32 43 #include "em_ldma.h"
Kojto 113:f141b2784e32 44 #endif
Kojto 98:8ab26030e058 45
Kojto 98:8ab26030e058 46 #ifdef __cplusplus
Kojto 98:8ab26030e058 47 extern "C" {
Kojto 98:8ab26030e058 48 #endif
Kojto 98:8ab26030e058 49
Kojto 98:8ab26030e058 50 /* Purpose of this file: extend dma_api.h to include EFM-specific DMA attributes */
Kojto 98:8ab26030e058 51
Kojto 98:8ab26030e058 52 #define DMA_CAP_2DCOPY (1 << 0)
Kojto 98:8ab26030e058 53 #define DMA_CAP_NONE (0 << 0)
Kojto 98:8ab26030e058 54
Kojto 98:8ab26030e058 55 #if ( DMA_CHAN_COUNT <= 4 )
Kojto 98:8ab26030e058 56 #define DMACTRL_CH_CNT 4
Kojto 98:8ab26030e058 57 #define DMACTRL_ALIGNMENT 256
Kojto 98:8ab26030e058 58
Kojto 98:8ab26030e058 59 #elif ( ( DMA_CHAN_COUNT > 4 ) && ( DMA_CHAN_COUNT <= 8 ) )
Kojto 98:8ab26030e058 60 #define DMACTRL_CH_CNT 8
Kojto 98:8ab26030e058 61 #define DMACTRL_ALIGNMENT 256
Kojto 98:8ab26030e058 62
Kojto 98:8ab26030e058 63 #elif ( ( DMA_CHAN_COUNT > 8 ) && ( DMA_CHAN_COUNT <= 16 ) )
Kojto 98:8ab26030e058 64 #define DMACTRL_CH_CNT 16
Kojto 98:8ab26030e058 65 #define DMACTRL_ALIGNMENT 512
Kojto 98:8ab26030e058 66
Kojto 98:8ab26030e058 67 #else
Kojto 98:8ab26030e058 68 #error "Unsupported DMA channel count (dma_api.c)."
Kojto 98:8ab26030e058 69 #endif
Kojto 98:8ab26030e058 70
Kojto 113:f141b2784e32 71 #ifdef LDMA_PRESENT
Kojto 113:f141b2784e32 72 typedef void (*LDMAx_CBFunc_t)(unsigned int channel, bool primary, void *user);
Kojto 113:f141b2784e32 73
Kojto 113:f141b2784e32 74 typedef struct
Kojto 113:f141b2784e32 75 {
Kojto 113:f141b2784e32 76 LDMAx_CBFunc_t cbFunc;
Kojto 113:f141b2784e32 77 void *userPtr;
Kojto 113:f141b2784e32 78 } LDMAx_Callback_t;
Kojto 113:f141b2784e32 79
Kojto 113:f141b2784e32 80 void LDMAx_StartTransfer( int ch,
Kojto 113:f141b2784e32 81 LDMA_TransferCfg_t *transfer,
Kojto 113:f141b2784e32 82 LDMA_Descriptor_t *descriptor,
Kojto 113:f141b2784e32 83 LDMAx_CBFunc_t cbFunc,
Kojto 113:f141b2784e32 84 void *userData );
Kojto 113:f141b2784e32 85 bool LDMAx_ChannelEnabled( int ch );
Kojto 113:f141b2784e32 86 #endif
Kojto 113:f141b2784e32 87
Kojto 98:8ab26030e058 88 typedef struct {
Kojto 100:cbbeb26dbd92 89 DMAUsage dmaUsageState;
Kojto 100:cbbeb26dbd92 90 int dmaChannel;
Kojto 113:f141b2784e32 91 #ifndef LDMA_PRESENT
Kojto 100:cbbeb26dbd92 92 DMA_CB_TypeDef dmaCallback;
Kojto 113:f141b2784e32 93 #else
Kojto 113:f141b2784e32 94 LDMAx_Callback_t dmaCallback;
Kojto 113:f141b2784e32 95 #endif
Kojto 98:8ab26030e058 96 } DMA_OPTIONS_t;
Kojto 98:8ab26030e058 97
Kojto 98:8ab26030e058 98 typedef void (*DMACallback)(void);
Kojto 98:8ab26030e058 99
Kojto 98:8ab26030e058 100 extern DMA_DESCRIPTOR_TypeDef dmaControlBlock[];
Kojto 98:8ab26030e058 101
Kojto 98:8ab26030e058 102 #ifdef __cplusplus
Kojto 98:8ab26030e058 103 }
Kojto 98:8ab26030e058 104 #endif
Kojto 98:8ab26030e058 105
Kojto 98:8ab26030e058 106 #endif