Yihui Xiong / Mbed 2 deprecated Seeed_nRF51822_Motion

initial

Dependencies:   mbed

mbed-src/hal/dma_api.h@0:638edba3adf6, 2016-01-11 (annotated)

Committer:
yihui
Date:
Mon Jan 11 02:32:24 2016 +0000
Revision:
0:638edba3adf6
initial

Who changed what in which revision?

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yihui 0:638edba3adf6 1 /* mbed Microcontroller Library
yihui 0:638edba3adf6 2 * Copyright (c) 2014-2015 ARM Limited
yihui 0:638edba3adf6 3 *
yihui 0:638edba3adf6 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 0:638edba3adf6 5 * you may not use this file except in compliance with the License.
yihui 0:638edba3adf6 6 * You may obtain a copy of the License at
yihui 0:638edba3adf6 7 *
yihui 0:638edba3adf6 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 0:638edba3adf6 9 *
yihui 0:638edba3adf6 10 * Unless required by applicable law or agreed to in writing, software
yihui 0:638edba3adf6 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 0:638edba3adf6 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 0:638edba3adf6 13 * See the License for the specific language governing permissions and
yihui 0:638edba3adf6 14 * limitations under the License.
yihui 0:638edba3adf6 15 */
yihui 0:638edba3adf6 16 #ifndef MBED_DMA_API_H
yihui 0:638edba3adf6 17 #define MBED_DMA_API_H
yihui 0:638edba3adf6 18
yihui 0:638edba3adf6 19 #include <stdint.h>
yihui 0:638edba3adf6 20
yihui 0:638edba3adf6 21 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
yihui 0:638edba3adf6 22
yihui 0:638edba3adf6 23 typedef enum {
yihui 0:638edba3adf6 24 DMA_USAGE_NEVER,
yihui 0:638edba3adf6 25 DMA_USAGE_OPPORTUNISTIC,
yihui 0:638edba3adf6 26 DMA_USAGE_ALWAYS,
yihui 0:638edba3adf6 27 DMA_USAGE_TEMPORARY_ALLOCATED,
yihui 0:638edba3adf6 28 DMA_USAGE_ALLOCATED
yihui 0:638edba3adf6 29 } DMAUsage;
yihui 0:638edba3adf6 30
yihui 0:638edba3adf6 31 #ifdef __cplusplus
yihui 0:638edba3adf6 32 extern "C" {
yihui 0:638edba3adf6 33 #endif
yihui 0:638edba3adf6 34
yihui 0:638edba3adf6 35 void dma_init(void);
yihui 0:638edba3adf6 36
yihui 0:638edba3adf6 37 int dma_channel_allocate(uint32_t capabilities);
yihui 0:638edba3adf6 38
yihui 0:638edba3adf6 39 int dma_channel_free(int channelid);
yihui 0:638edba3adf6 40
yihui 0:638edba3adf6 41 #ifdef __cplusplus
yihui 0:638edba3adf6 42 }
yihui 0:638edba3adf6 43 #endif
yihui 0:638edba3adf6 44
yihui 0:638edba3adf6 45 #endif