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Dependencies:   mbed SDFileSystem MS5607 ADXL345_I2C FATFileSystem

mbed/hal/dma_api.h@0:c88c3b616c00, 2020-03-16 (annotated)

Committer:
IKobayashi
Date:
Mon Mar 16 23:37:42 2020 +0900
Revision:
0:c88c3b616c00
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
IKobayashi 0:c88c3b616c00 1
IKobayashi 0:c88c3b616c00 2 /** \addtogroup hal */
IKobayashi 0:c88c3b616c00 3 /** @{*/
IKobayashi 0:c88c3b616c00 4 /* mbed Microcontroller Library
IKobayashi 0:c88c3b616c00 5 * Copyright (c) 2014-2015 ARM Limited
IKobayashi 0:c88c3b616c00 6 *
IKobayashi 0:c88c3b616c00 7 * Licensed under the Apache License, Version 2.0 (the "License");
IKobayashi 0:c88c3b616c00 8 * you may not use this file except in compliance with the License.
IKobayashi 0:c88c3b616c00 9 * You may obtain a copy of the License at
IKobayashi 0:c88c3b616c00 10 *
IKobayashi 0:c88c3b616c00 11 * http://www.apache.org/licenses/LICENSE-2.0
IKobayashi 0:c88c3b616c00 12 *
IKobayashi 0:c88c3b616c00 13 * Unless required by applicable law or agreed to in writing, software
IKobayashi 0:c88c3b616c00 14 * distributed under the License is distributed on an "AS IS" BASIS,
IKobayashi 0:c88c3b616c00 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
IKobayashi 0:c88c3b616c00 16 * See the License for the specific language governing permissions and
IKobayashi 0:c88c3b616c00 17 * limitations under the License.
IKobayashi 0:c88c3b616c00 18 */
IKobayashi 0:c88c3b616c00 19 #ifndef MBED_DMA_API_H
IKobayashi 0:c88c3b616c00 20 #define MBED_DMA_API_H
IKobayashi 0:c88c3b616c00 21
IKobayashi 0:c88c3b616c00 22 #include <stdint.h>
IKobayashi 0:c88c3b616c00 23
IKobayashi 0:c88c3b616c00 24 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
IKobayashi 0:c88c3b616c00 25
IKobayashi 0:c88c3b616c00 26 typedef enum {
IKobayashi 0:c88c3b616c00 27 DMA_USAGE_NEVER,
IKobayashi 0:c88c3b616c00 28 DMA_USAGE_OPPORTUNISTIC,
IKobayashi 0:c88c3b616c00 29 DMA_USAGE_ALWAYS,
IKobayashi 0:c88c3b616c00 30 DMA_USAGE_TEMPORARY_ALLOCATED,
IKobayashi 0:c88c3b616c00 31 DMA_USAGE_ALLOCATED
IKobayashi 0:c88c3b616c00 32 } DMAUsage;
IKobayashi 0:c88c3b616c00 33
IKobayashi 0:c88c3b616c00 34 #ifdef __cplusplus
IKobayashi 0:c88c3b616c00 35 extern "C" {
IKobayashi 0:c88c3b616c00 36 #endif
IKobayashi 0:c88c3b616c00 37
IKobayashi 0:c88c3b616c00 38 void dma_init(void);
IKobayashi 0:c88c3b616c00 39
IKobayashi 0:c88c3b616c00 40 int dma_channel_allocate(uint32_t capabilities);
IKobayashi 0:c88c3b616c00 41
IKobayashi 0:c88c3b616c00 42 int dma_channel_free(int channelid);
IKobayashi 0:c88c3b616c00 43
IKobayashi 0:c88c3b616c00 44 #ifdef __cplusplus
IKobayashi 0:c88c3b616c00 45 }
IKobayashi 0:c88c3b616c00 46 #endif
IKobayashi 0:c88c3b616c00 47
IKobayashi 0:c88c3b616c00 48 #endif
IKobayashi 0:c88c3b616c00 49
IKobayashi 0:c88c3b616c00 50 /** @}*/