modtronix H / mbed_nz32sc151

mbed library for NZ32-SC151

hal/dma_api.h@17:639ed60ce759, 2016-08-19 (annotated)

Committer:
modtronix-com
Date:
Fri Aug 19 15:46:42 2016 +1000
Revision:
17:639ed60ce759
Parent:
1:71204b8406f2 
Added tag v1.1 for changeset 076cbe3e55be

Who changed what in which revision?

UserRevisionLine numberNew contents of line
modtronix 1:71204b8406f2 1 /* mbed Microcontroller Library
modtronix 1:71204b8406f2 2 * Copyright (c) 2014-2015 ARM Limited
modtronix 1:71204b8406f2 3 *
modtronix 1:71204b8406f2 4 * Licensed under the Apache License, Version 2.0 (the "License");
modtronix 1:71204b8406f2 5 * you may not use this file except in compliance with the License.
modtronix 1:71204b8406f2 6 * You may obtain a copy of the License at
modtronix 1:71204b8406f2 7 *
modtronix 1:71204b8406f2 8 * http://www.apache.org/licenses/LICENSE-2.0
modtronix 1:71204b8406f2 9 *
modtronix 1:71204b8406f2 10 * Unless required by applicable law or agreed to in writing, software
modtronix 1:71204b8406f2 11 * distributed under the License is distributed on an "AS IS" BASIS,
modtronix 1:71204b8406f2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
modtronix 1:71204b8406f2 13 * See the License for the specific language governing permissions and
modtronix 1:71204b8406f2 14 * limitations under the License.
modtronix 1:71204b8406f2 15 */
modtronix 1:71204b8406f2 16 #ifndef MBED_DMA_API_H
modtronix 1:71204b8406f2 17 #define MBED_DMA_API_H
modtronix 1:71204b8406f2 18
modtronix 1:71204b8406f2 19 #include <stdint.h>
modtronix 1:71204b8406f2 20
modtronix 1:71204b8406f2 21 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
modtronix 1:71204b8406f2 22
modtronix 1:71204b8406f2 23 typedef enum {
modtronix 1:71204b8406f2 24 DMA_USAGE_NEVER,
modtronix 1:71204b8406f2 25 DMA_USAGE_OPPORTUNISTIC,
modtronix 1:71204b8406f2 26 DMA_USAGE_ALWAYS,
modtronix 1:71204b8406f2 27 DMA_USAGE_TEMPORARY_ALLOCATED,
modtronix 1:71204b8406f2 28 DMA_USAGE_ALLOCATED
modtronix 1:71204b8406f2 29 } DMAUsage;
modtronix 1:71204b8406f2 30
modtronix 1:71204b8406f2 31 #ifdef __cplusplus
modtronix 1:71204b8406f2 32 extern "C" {
modtronix 1:71204b8406f2 33 #endif
modtronix 1:71204b8406f2 34
modtronix 1:71204b8406f2 35 void dma_init(void);
modtronix 1:71204b8406f2 36
modtronix 1:71204b8406f2 37 int dma_channel_allocate(uint32_t capabilities);
modtronix 1:71204b8406f2 38
modtronix 1:71204b8406f2 39 int dma_channel_free(int channelid);
modtronix 1:71204b8406f2 40
modtronix 1:71204b8406f2 41 #ifdef __cplusplus
modtronix 1:71204b8406f2 42 }
modtronix 1:71204b8406f2 43 #endif
modtronix 1:71204b8406f2 44
modtronix 1:71204b8406f2 45 #endif