Mark Turner / mbed

mbed library for slider v2

Dependents:   kl46z_slider_v2

dma_api.h@0:b7116bd48af6, 2016-09-14 (annotated)

Committer:
mturner5
Date:
Wed Sep 14 07:04:27 2016 +0000
Revision:
0:b7116bd48af6
Tried to use the timer.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mturner5 0:b7116bd48af6 1 /* mbed Microcontroller Library
mturner5 0:b7116bd48af6 2 * Copyright (c) 2014-2015 ARM Limited
mturner5 0:b7116bd48af6 3 *
mturner5 0:b7116bd48af6 4 * Licensed under the Apache License, Version 2.0 (the "License");
mturner5 0:b7116bd48af6 5 * you may not use this file except in compliance with the License.
mturner5 0:b7116bd48af6 6 * You may obtain a copy of the License at
mturner5 0:b7116bd48af6 7 *
mturner5 0:b7116bd48af6 8 * http://www.apache.org/licenses/LICENSE-2.0
mturner5 0:b7116bd48af6 9 *
mturner5 0:b7116bd48af6 10 * Unless required by applicable law or agreed to in writing, software
mturner5 0:b7116bd48af6 11 * distributed under the License is distributed on an "AS IS" BASIS,
mturner5 0:b7116bd48af6 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mturner5 0:b7116bd48af6 13 * See the License for the specific language governing permissions and
mturner5 0:b7116bd48af6 14 * limitations under the License.
mturner5 0:b7116bd48af6 15 */
mturner5 0:b7116bd48af6 16 #ifndef MBED_DMA_API_H
mturner5 0:b7116bd48af6 17 #define MBED_DMA_API_H
mturner5 0:b7116bd48af6 18
mturner5 0:b7116bd48af6 19 #include <stdint.h>
mturner5 0:b7116bd48af6 20
mturner5 0:b7116bd48af6 21 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
mturner5 0:b7116bd48af6 22
mturner5 0:b7116bd48af6 23 typedef enum {
mturner5 0:b7116bd48af6 24 DMA_USAGE_NEVER,
mturner5 0:b7116bd48af6 25 DMA_USAGE_OPPORTUNISTIC,
mturner5 0:b7116bd48af6 26 DMA_USAGE_ALWAYS,
mturner5 0:b7116bd48af6 27 DMA_USAGE_TEMPORARY_ALLOCATED,
mturner5 0:b7116bd48af6 28 DMA_USAGE_ALLOCATED
mturner5 0:b7116bd48af6 29 } DMAUsage;
mturner5 0:b7116bd48af6 30
mturner5 0:b7116bd48af6 31 #ifdef __cplusplus
mturner5 0:b7116bd48af6 32 extern "C" {
mturner5 0:b7116bd48af6 33 #endif
mturner5 0:b7116bd48af6 34
mturner5 0:b7116bd48af6 35 void dma_init(void);
mturner5 0:b7116bd48af6 36
mturner5 0:b7116bd48af6 37 int dma_channel_allocate(uint32_t capabilities);
mturner5 0:b7116bd48af6 38
mturner5 0:b7116bd48af6 39 int dma_channel_free(int channelid);
mturner5 0:b7116bd48af6 40
mturner5 0:b7116bd48af6 41 #ifdef __cplusplus
mturner5 0:b7116bd48af6 42 }
mturner5 0:b7116bd48af6 43 #endif
mturner5 0:b7116bd48af6 44
mturner5 0:b7116bd48af6 45 #endif