fix LPC812 PWM
Fork of mbed-dev by
hal/dma_api.h@129:2e517c56bcfb, 2016-05-16 (annotated)
- Committer:
- nameless129
- Date:
- Mon May 16 16:50:30 2016 +0000
- Revision:
- 129:2e517c56bcfb
- Parent:
- 0:9b334a45a8ff
PWM Fix:Duty 0%??H???????????????
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /* mbed Microcontroller Library |
bogdanm | 0:9b334a45a8ff | 2 | * Copyright (c) 2014-2015 ARM Limited |
bogdanm | 0:9b334a45a8ff | 3 | * |
bogdanm | 0:9b334a45a8ff | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
bogdanm | 0:9b334a45a8ff | 5 | * you may not use this file except in compliance with the License. |
bogdanm | 0:9b334a45a8ff | 6 | * You may obtain a copy of the License at |
bogdanm | 0:9b334a45a8ff | 7 | * |
bogdanm | 0:9b334a45a8ff | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
bogdanm | 0:9b334a45a8ff | 9 | * |
bogdanm | 0:9b334a45a8ff | 10 | * Unless required by applicable law or agreed to in writing, software |
bogdanm | 0:9b334a45a8ff | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
bogdanm | 0:9b334a45a8ff | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
bogdanm | 0:9b334a45a8ff | 13 | * See the License for the specific language governing permissions and |
bogdanm | 0:9b334a45a8ff | 14 | * limitations under the License. |
bogdanm | 0:9b334a45a8ff | 15 | */ |
bogdanm | 0:9b334a45a8ff | 16 | #ifndef MBED_DMA_API_H |
bogdanm | 0:9b334a45a8ff | 17 | #define MBED_DMA_API_H |
bogdanm | 0:9b334a45a8ff | 18 | |
bogdanm | 0:9b334a45a8ff | 19 | #include <stdint.h> |
bogdanm | 0:9b334a45a8ff | 20 | |
bogdanm | 0:9b334a45a8ff | 21 | #define DMA_ERROR_OUT_OF_CHANNELS (-1) |
bogdanm | 0:9b334a45a8ff | 22 | |
bogdanm | 0:9b334a45a8ff | 23 | typedef enum { |
bogdanm | 0:9b334a45a8ff | 24 | DMA_USAGE_NEVER, |
bogdanm | 0:9b334a45a8ff | 25 | DMA_USAGE_OPPORTUNISTIC, |
bogdanm | 0:9b334a45a8ff | 26 | DMA_USAGE_ALWAYS, |
bogdanm | 0:9b334a45a8ff | 27 | DMA_USAGE_TEMPORARY_ALLOCATED, |
bogdanm | 0:9b334a45a8ff | 28 | DMA_USAGE_ALLOCATED |
bogdanm | 0:9b334a45a8ff | 29 | } DMAUsage; |
bogdanm | 0:9b334a45a8ff | 30 | |
bogdanm | 0:9b334a45a8ff | 31 | #ifdef __cplusplus |
bogdanm | 0:9b334a45a8ff | 32 | extern "C" { |
bogdanm | 0:9b334a45a8ff | 33 | #endif |
bogdanm | 0:9b334a45a8ff | 34 | |
bogdanm | 0:9b334a45a8ff | 35 | void dma_init(void); |
bogdanm | 0:9b334a45a8ff | 36 | |
bogdanm | 0:9b334a45a8ff | 37 | int dma_channel_allocate(uint32_t capabilities); |
bogdanm | 0:9b334a45a8ff | 38 | |
bogdanm | 0:9b334a45a8ff | 39 | int dma_channel_free(int channelid); |
bogdanm | 0:9b334a45a8ff | 40 | |
bogdanm | 0:9b334a45a8ff | 41 | #ifdef __cplusplus |
bogdanm | 0:9b334a45a8ff | 42 | } |
bogdanm | 0:9b334a45a8ff | 43 | #endif |
bogdanm | 0:9b334a45a8ff | 44 | |
bogdanm | 0:9b334a45a8ff | 45 | #endif |