mbed library for NZ32-SC151
hal/dma_api.h@11:8123a070ade6, 2015-09-10 (annotated)
- Committer:
- modtronix-com
- Date:
- Thu Sep 10 20:14:29 2015 +1000
- Revision:
- 11:8123a070ade6
- Parent:
- 1:71204b8406f2
Added .hgignore
Who changed what in which revision?
User | Revision | Line number | New 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 |