Audio singal input and output example for DISCO-F746. Input: MEMS mic, Output: CN10 OUT, Acoustic effect: echo and frequency shift. DISCO-F746 によるオーディオ信号入出力.入力:MEMS マイク,出力:CN10 OUT,音響効果:エコー,周波数変換.
Dependencies: F746_GUI F746_SAI_IO
mbed_src_STM32F7/hal/dma_api.h@10:56f2f01df983, 2017-04-10 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Mon Apr 10 13:44:13 2017 +0000
- Revision:
- 10:56f2f01df983
- Parent:
- 6:38f7dce055d0
11
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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MikamiUitOpen | 6:38f7dce055d0 | 1 | /* mbed Microcontroller Library |
MikamiUitOpen | 6:38f7dce055d0 | 2 | * Copyright (c) 2014-2015 ARM Limited |
MikamiUitOpen | 6:38f7dce055d0 | 3 | * |
MikamiUitOpen | 6:38f7dce055d0 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
MikamiUitOpen | 6:38f7dce055d0 | 5 | * you may not use this file except in compliance with the License. |
MikamiUitOpen | 6:38f7dce055d0 | 6 | * You may obtain a copy of the License at |
MikamiUitOpen | 6:38f7dce055d0 | 7 | * |
MikamiUitOpen | 6:38f7dce055d0 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
MikamiUitOpen | 6:38f7dce055d0 | 9 | * |
MikamiUitOpen | 6:38f7dce055d0 | 10 | * Unless required by applicable law or agreed to in writing, software |
MikamiUitOpen | 6:38f7dce055d0 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
MikamiUitOpen | 6:38f7dce055d0 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
MikamiUitOpen | 6:38f7dce055d0 | 13 | * See the License for the specific language governing permissions and |
MikamiUitOpen | 6:38f7dce055d0 | 14 | * limitations under the License. |
MikamiUitOpen | 6:38f7dce055d0 | 15 | */ |
MikamiUitOpen | 6:38f7dce055d0 | 16 | #ifndef MBED_DMA_API_H |
MikamiUitOpen | 6:38f7dce055d0 | 17 | #define MBED_DMA_API_H |
MikamiUitOpen | 6:38f7dce055d0 | 18 | |
MikamiUitOpen | 6:38f7dce055d0 | 19 | #include <stdint.h> |
MikamiUitOpen | 6:38f7dce055d0 | 20 | |
MikamiUitOpen | 6:38f7dce055d0 | 21 | #define DMA_ERROR_OUT_OF_CHANNELS (-1) |
MikamiUitOpen | 6:38f7dce055d0 | 22 | |
MikamiUitOpen | 6:38f7dce055d0 | 23 | typedef enum { |
MikamiUitOpen | 6:38f7dce055d0 | 24 | DMA_USAGE_NEVER, |
MikamiUitOpen | 6:38f7dce055d0 | 25 | DMA_USAGE_OPPORTUNISTIC, |
MikamiUitOpen | 6:38f7dce055d0 | 26 | DMA_USAGE_ALWAYS, |
MikamiUitOpen | 6:38f7dce055d0 | 27 | DMA_USAGE_TEMPORARY_ALLOCATED, |
MikamiUitOpen | 6:38f7dce055d0 | 28 | DMA_USAGE_ALLOCATED |
MikamiUitOpen | 6:38f7dce055d0 | 29 | } DMAUsage; |
MikamiUitOpen | 6:38f7dce055d0 | 30 | |
MikamiUitOpen | 6:38f7dce055d0 | 31 | #ifdef __cplusplus |
MikamiUitOpen | 6:38f7dce055d0 | 32 | extern "C" { |
MikamiUitOpen | 6:38f7dce055d0 | 33 | #endif |
MikamiUitOpen | 6:38f7dce055d0 | 34 | |
MikamiUitOpen | 6:38f7dce055d0 | 35 | void dma_init(void); |
MikamiUitOpen | 6:38f7dce055d0 | 36 | |
MikamiUitOpen | 6:38f7dce055d0 | 37 | int dma_channel_allocate(uint32_t capabilities); |
MikamiUitOpen | 6:38f7dce055d0 | 38 | |
MikamiUitOpen | 6:38f7dce055d0 | 39 | int dma_channel_free(int channelid); |
MikamiUitOpen | 6:38f7dce055d0 | 40 | |
MikamiUitOpen | 6:38f7dce055d0 | 41 | #ifdef __cplusplus |
MikamiUitOpen | 6:38f7dce055d0 | 42 | } |
MikamiUitOpen | 6:38f7dce055d0 | 43 | #endif |
MikamiUitOpen | 6:38f7dce055d0 | 44 | |
MikamiUitOpen | 6:38f7dce055d0 | 45 | #endif |