Yihui Xiong
Use MPU9250 with nRF51822
Fork of
Seeed_Tiny_BLE_Flash
by 
Darren Huang
mbed-src/hal/dma_api.h@5:9b240c1d5251, 2015-12-10 (annotated)
- Committer:
- yihui
- Date:
- Thu Dec 10 08:00:18 2015 +0000
- Revision:
- 5:9b240c1d5251
get 9dof data from mpu9250
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| yihui | 5:9b240c1d5251 | 1 | /* mbed Microcontroller Library |
| yihui | 5:9b240c1d5251 | 2 | * Copyright (c) 2014-2015 ARM Limited |
| yihui | 5:9b240c1d5251 | 3 | * |
| yihui | 5:9b240c1d5251 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| yihui | 5:9b240c1d5251 | 5 | * you may not use this file except in compliance with the License. |
| yihui | 5:9b240c1d5251 | 6 | * You may obtain a copy of the License at |
| yihui | 5:9b240c1d5251 | 7 | * |
| yihui | 5:9b240c1d5251 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| yihui | 5:9b240c1d5251 | 9 | * |
| yihui | 5:9b240c1d5251 | 10 | * Unless required by applicable law or agreed to in writing, software |
| yihui | 5:9b240c1d5251 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| yihui | 5:9b240c1d5251 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| yihui | 5:9b240c1d5251 | 13 | * See the License for the specific language governing permissions and |
| yihui | 5:9b240c1d5251 | 14 | * limitations under the License. |
| yihui | 5:9b240c1d5251 | 15 | */ |
| yihui | 5:9b240c1d5251 | 16 | #ifndef MBED_DMA_API_H |
| yihui | 5:9b240c1d5251 | 17 | #define MBED_DMA_API_H |
| yihui | 5:9b240c1d5251 | 18 | |
| yihui | 5:9b240c1d5251 | 19 | #include <stdint.h> |
| yihui | 5:9b240c1d5251 | 20 | |
| yihui | 5:9b240c1d5251 | 21 | #define DMA_ERROR_OUT_OF_CHANNELS (-1) |
| yihui | 5:9b240c1d5251 | 22 | |
| yihui | 5:9b240c1d5251 | 23 | typedef enum { |
| yihui | 5:9b240c1d5251 | 24 | DMA_USAGE_NEVER, |
| yihui | 5:9b240c1d5251 | 25 | DMA_USAGE_OPPORTUNISTIC, |
| yihui | 5:9b240c1d5251 | 26 | DMA_USAGE_ALWAYS, |
| yihui | 5:9b240c1d5251 | 27 | DMA_USAGE_TEMPORARY_ALLOCATED, |
| yihui | 5:9b240c1d5251 | 28 | DMA_USAGE_ALLOCATED |
| yihui | 5:9b240c1d5251 | 29 | } DMAUsage; |
| yihui | 5:9b240c1d5251 | 30 | |
| yihui | 5:9b240c1d5251 | 31 | #ifdef __cplusplus |
| yihui | 5:9b240c1d5251 | 32 | extern "C" { |
| yihui | 5:9b240c1d5251 | 33 | #endif |
| yihui | 5:9b240c1d5251 | 34 | |
| yihui | 5:9b240c1d5251 | 35 | void dma_init(void); |
| yihui | 5:9b240c1d5251 | 36 | |
| yihui | 5:9b240c1d5251 | 37 | int dma_channel_allocate(uint32_t capabilities); |
| yihui | 5:9b240c1d5251 | 38 | |
| yihui | 5:9b240c1d5251 | 39 | int dma_channel_free(int channelid); |
| yihui | 5:9b240c1d5251 | 40 | |
| yihui | 5:9b240c1d5251 | 41 | #ifdef __cplusplus |
| yihui | 5:9b240c1d5251 | 42 | } |
| yihui | 5:9b240c1d5251 | 43 | #endif |
| yihui | 5:9b240c1d5251 | 44 | |
| yihui | 5:9b240c1d5251 | 45 | #endif |