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@98:8ab26030e058, 2015-04-29 (annotated)

Committer:
Kojto
Date:
Wed Apr 29 10:16:23 2015 +0100
Revision:
98:8ab26030e058
Child:
100:cbbeb26dbd92
Release 98 of the mbed library



Changes:

 - Silabs new targets (Giant, Zero, Happy, Leopard, Wonder Geckos)

 - Asynchronous SPI, I2C, Serial

 - LowPower classes

 - Nordic - nordic SDK v8.0 update

 - Teensy - gcc arm fix for startup

 - Nucleo F411 - usb freq fix

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 98:8ab26030e058 1 /* mbed Microcontroller Library
Kojto 98:8ab26030e058 2 * Copyright (c) 2006-2013 ARM Limited
Kojto 98:8ab26030e058 3 *
Kojto 98:8ab26030e058 4 * Licensed under the Apache License, Version 2.0 (the "License");
Kojto 98:8ab26030e058 5 * you may not use this file except in compliance with the License.
Kojto 98:8ab26030e058 6 * You may obtain a copy of the License at
Kojto 98:8ab26030e058 7 *
Kojto 98:8ab26030e058 8 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 98:8ab26030e058 9 *
Kojto 98:8ab26030e058 10 * Unless required by applicable law or agreed to in writing, software
Kojto 98:8ab26030e058 11 * distributed under the License is distributed on an "AS IS" BASIS,
Kojto 98:8ab26030e058 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 98:8ab26030e058 13 * See the License for the specific language governing permissions and
Kojto 98:8ab26030e058 14 * limitations under the License.
Kojto 98:8ab26030e058 15 */
Kojto 98:8ab26030e058 16 #ifndef MBED_DMA_API_HAL_H
Kojto 98:8ab26030e058 17 #define MBED_DMA_API_HAL_H
Kojto 98:8ab26030e058 18
Kojto 98:8ab26030e058 19 #include <stdint.h>
Kojto 98:8ab26030e058 20 #include "dma_api.h"
Kojto 98:8ab26030e058 21 #include "em_dma.h"
Kojto 98:8ab26030e058 22
Kojto 98:8ab26030e058 23 #ifdef __cplusplus
Kojto 98:8ab26030e058 24 extern "C" {
Kojto 98:8ab26030e058 25 #endif
Kojto 98:8ab26030e058 26
Kojto 98:8ab26030e058 27 /* Purpose of this file: extend dma_api.h to include EFM-specific DMA attributes */
Kojto 98:8ab26030e058 28
Kojto 98:8ab26030e058 29 #define DMA_CAP_2DCOPY (1 << 0)
Kojto 98:8ab26030e058 30 #define DMA_CAP_NONE (0 << 0)
Kojto 98:8ab26030e058 31
Kojto 98:8ab26030e058 32 #if ( DMA_CHAN_COUNT <= 4 )
Kojto 98:8ab26030e058 33 #define DMACTRL_CH_CNT 4
Kojto 98:8ab26030e058 34 #define DMACTRL_ALIGNMENT 256
Kojto 98:8ab26030e058 35
Kojto 98:8ab26030e058 36 #elif ( ( DMA_CHAN_COUNT > 4 ) && ( DMA_CHAN_COUNT <= 8 ) )
Kojto 98:8ab26030e058 37 #define DMACTRL_CH_CNT 8
Kojto 98:8ab26030e058 38 #define DMACTRL_ALIGNMENT 256
Kojto 98:8ab26030e058 39
Kojto 98:8ab26030e058 40 #elif ( ( DMA_CHAN_COUNT > 8 ) && ( DMA_CHAN_COUNT <= 16 ) )
Kojto 98:8ab26030e058 41 #define DMACTRL_CH_CNT 16
Kojto 98:8ab26030e058 42 #define DMACTRL_ALIGNMENT 512
Kojto 98:8ab26030e058 43
Kojto 98:8ab26030e058 44 #else
Kojto 98:8ab26030e058 45 #error "Unsupported DMA channel count (dma_api.c)."
Kojto 98:8ab26030e058 46 #endif
Kojto 98:8ab26030e058 47
Kojto 98:8ab26030e058 48 typedef struct {
Kojto 98:8ab26030e058 49 DMAUsage dmaUsageState;
Kojto 98:8ab26030e058 50 int dmaChannel;
Kojto 98:8ab26030e058 51 DMA_CB_TypeDef dmaCallback;
Kojto 98:8ab26030e058 52 } DMA_OPTIONS_t;
Kojto 98:8ab26030e058 53
Kojto 98:8ab26030e058 54 typedef void (*DMACallback)(void);
Kojto 98:8ab26030e058 55
Kojto 98:8ab26030e058 56 extern DMA_DESCRIPTOR_TypeDef dmaControlBlock[];
Kojto 98:8ab26030e058 57
Kojto 98:8ab26030e058 58 #ifdef __cplusplus
Kojto 98:8ab26030e058 59 }
Kojto 98:8ab26030e058 60 #endif
Kojto 98:8ab26030e058 61
Kojto 98:8ab26030e058 62 #endif