mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

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

Last commit 20 Feb 2019 by mbed official

hal/dma_api.h@635:a11c0372f0ba, 2015-09-30 (annotated)

Committer:
mbed_official
Date:
Wed Sep 30 17:00:09 2015 +0100
Revision:
635:a11c0372f0ba
Parent:
525:c320967f86b9 
Synchronized with git revision d29c98dae61be0946ddf3a3c641c7726056f9452



Full URL: https://github.com/mbedmicro/mbed/commit/d29c98dae61be0946ddf3a3c641c7726056f9452/



Added support for SAMW25

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 525:c320967f86b9 1 /* mbed Microcontroller Library
mbed_official 525:c320967f86b9 2 * Copyright (c) 2014-2015 ARM Limited
mbed_official 525:c320967f86b9 3 *
mbed_official 525:c320967f86b9 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 525:c320967f86b9 5 * you may not use this file except in compliance with the License.
mbed_official 525:c320967f86b9 6 * You may obtain a copy of the License at
mbed_official 525:c320967f86b9 7 *
mbed_official 525:c320967f86b9 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 525:c320967f86b9 9 *
mbed_official 525:c320967f86b9 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 525:c320967f86b9 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 525:c320967f86b9 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 525:c320967f86b9 13 * See the License for the specific language governing permissions and
mbed_official 525:c320967f86b9 14 * limitations under the License.
mbed_official 525:c320967f86b9 15 */
mbed_official 525:c320967f86b9 16 #ifndef MBED_DMA_API_H
mbed_official 525:c320967f86b9 17 #define MBED_DMA_API_H
mbed_official 525:c320967f86b9 18
mbed_official 525:c320967f86b9 19 #include <stdint.h>
mbed_official 525:c320967f86b9 20
mbed_official 525:c320967f86b9 21 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
mbed_official 525:c320967f86b9 22
mbed_official 525:c320967f86b9 23 typedef enum {
mbed_official 525:c320967f86b9 24 DMA_USAGE_NEVER,
mbed_official 525:c320967f86b9 25 DMA_USAGE_OPPORTUNISTIC,
mbed_official 525:c320967f86b9 26 DMA_USAGE_ALWAYS,
mbed_official 525:c320967f86b9 27 DMA_USAGE_TEMPORARY_ALLOCATED,
mbed_official 525:c320967f86b9 28 DMA_USAGE_ALLOCATED
mbed_official 525:c320967f86b9 29 } DMAUsage;
mbed_official 525:c320967f86b9 30
mbed_official 525:c320967f86b9 31 #ifdef __cplusplus
mbed_official 525:c320967f86b9 32 extern "C" {
mbed_official 525:c320967f86b9 33 #endif
mbed_official 525:c320967f86b9 34
mbed_official 525:c320967f86b9 35 void dma_init(void);
mbed_official 525:c320967f86b9 36
mbed_official 525:c320967f86b9 37 int dma_channel_allocate(uint32_t capabilities);
mbed_official 525:c320967f86b9 38
mbed_official 525:c320967f86b9 39 int dma_channel_free(int channelid);
mbed_official 525:c320967f86b9 40
mbed_official 525:c320967f86b9 41 #ifdef __cplusplus
mbed_official 525:c320967f86b9 42 }
mbed_official 525:c320967f86b9 43 #endif
mbed_official 525:c320967f86b9 44
mbed_official 525:c320967f86b9 45 #endif