不韋 呂 / F746_Spectrogram

Realtime spectrogram for DISCO-F746NG. On-board MEMS microphone is used for input sound signal. リアルタイムスペクトログラム．入力：MEMSマイク

Dependencies:   F746_GUI F746_SAI_IO UIT_FFT_Real

mbed_src_STM32F7/hal/dma_api.h@6:b3885567877c, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 13:43:07 2017 +0000
Revision:
6:b3885567877c
Parent:
4:c1beacfc42c7 
7

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 4:c1beacfc42c7 1 /* mbed Microcontroller Library
MikamiUitOpen 4:c1beacfc42c7 2 * Copyright (c) 2014-2015 ARM Limited
MikamiUitOpen 4:c1beacfc42c7 3 *
MikamiUitOpen 4:c1beacfc42c7 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 4:c1beacfc42c7 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 4:c1beacfc42c7 6 * You may obtain a copy of the License at
MikamiUitOpen 4:c1beacfc42c7 7 *
MikamiUitOpen 4:c1beacfc42c7 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 4:c1beacfc42c7 9 *
MikamiUitOpen 4:c1beacfc42c7 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 4:c1beacfc42c7 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 4:c1beacfc42c7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 4:c1beacfc42c7 13 * See the License for the specific language governing permissions and
MikamiUitOpen 4:c1beacfc42c7 14 * limitations under the License.
MikamiUitOpen 4:c1beacfc42c7 15 */
MikamiUitOpen 4:c1beacfc42c7 16 #ifndef MBED_DMA_API_H
MikamiUitOpen 4:c1beacfc42c7 17 #define MBED_DMA_API_H
MikamiUitOpen 4:c1beacfc42c7 18
MikamiUitOpen 4:c1beacfc42c7 19 #include <stdint.h>
MikamiUitOpen 4:c1beacfc42c7 20
MikamiUitOpen 4:c1beacfc42c7 21 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
MikamiUitOpen 4:c1beacfc42c7 22
MikamiUitOpen 4:c1beacfc42c7 23 typedef enum {
MikamiUitOpen 4:c1beacfc42c7 24 DMA_USAGE_NEVER,
MikamiUitOpen 4:c1beacfc42c7 25 DMA_USAGE_OPPORTUNISTIC,
MikamiUitOpen 4:c1beacfc42c7 26 DMA_USAGE_ALWAYS,
MikamiUitOpen 4:c1beacfc42c7 27 DMA_USAGE_TEMPORARY_ALLOCATED,
MikamiUitOpen 4:c1beacfc42c7 28 DMA_USAGE_ALLOCATED
MikamiUitOpen 4:c1beacfc42c7 29 } DMAUsage;
MikamiUitOpen 4:c1beacfc42c7 30
MikamiUitOpen 4:c1beacfc42c7 31 #ifdef __cplusplus
MikamiUitOpen 4:c1beacfc42c7 32 extern "C" {
MikamiUitOpen 4:c1beacfc42c7 33 #endif
MikamiUitOpen 4:c1beacfc42c7 34
MikamiUitOpen 4:c1beacfc42c7 35 void dma_init(void);
MikamiUitOpen 4:c1beacfc42c7 36
MikamiUitOpen 4:c1beacfc42c7 37 int dma_channel_allocate(uint32_t capabilities);
MikamiUitOpen 4:c1beacfc42c7 38
MikamiUitOpen 4:c1beacfc42c7 39 int dma_channel_free(int channelid);
MikamiUitOpen 4:c1beacfc42c7 40
MikamiUitOpen 4:c1beacfc42c7 41 #ifdef __cplusplus
MikamiUitOpen 4:c1beacfc42c7 42 }
MikamiUitOpen 4:c1beacfc42c7 43 #endif
MikamiUitOpen 4:c1beacfc42c7 44
MikamiUitOpen 4:c1beacfc42c7 45 #endif