不韋 呂 / F746_SD_GraphicEqualizer

Output the audio signal with filtering by graphic equalizer in the *.wav file on the SD card using onboard CODEC. SD カードの *.wav ファイルのオーディオ信号をグラフィック･イコライザを通して，ボードに搭載されているCODEC で出力する．

Dependencies:   F746_GUI F746_SAI_IO SD_PlayerSkeleton FrequencyResponseDrawer

mbed_src_STM32F7/common/SPISlave.cpp@24:f78f9d0ac262, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 04:07:35 2017 +0000
Revision:
24:f78f9d0ac262
Parent:
16:cbb726ac20d8 
25

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 16:cbb726ac20d8 1 /* mbed Microcontroller Library
MikamiUitOpen 16:cbb726ac20d8 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 16:cbb726ac20d8 3 *
MikamiUitOpen 16:cbb726ac20d8 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 16:cbb726ac20d8 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 16:cbb726ac20d8 6 * You may obtain a copy of the License at
MikamiUitOpen 16:cbb726ac20d8 7 *
MikamiUitOpen 16:cbb726ac20d8 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 16:cbb726ac20d8 9 *
MikamiUitOpen 16:cbb726ac20d8 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 16:cbb726ac20d8 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 16:cbb726ac20d8 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 16:cbb726ac20d8 13 * See the License for the specific language governing permissions and
MikamiUitOpen 16:cbb726ac20d8 14 * limitations under the License.
MikamiUitOpen 16:cbb726ac20d8 15 */
MikamiUitOpen 16:cbb726ac20d8 16 #include "SPISlave.h"
MikamiUitOpen 16:cbb726ac20d8 17
MikamiUitOpen 16:cbb726ac20d8 18 #if DEVICE_SPISLAVE
MikamiUitOpen 16:cbb726ac20d8 19
MikamiUitOpen 16:cbb726ac20d8 20 namespace mbed {
MikamiUitOpen 16:cbb726ac20d8 21
MikamiUitOpen 16:cbb726ac20d8 22 SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
MikamiUitOpen 16:cbb726ac20d8 23 _spi(),
MikamiUitOpen 16:cbb726ac20d8 24 _bits(8),
MikamiUitOpen 16:cbb726ac20d8 25 _mode(0),
MikamiUitOpen 16:cbb726ac20d8 26 _hz(1000000)
MikamiUitOpen 16:cbb726ac20d8 27 {
MikamiUitOpen 16:cbb726ac20d8 28 spi_init(&_spi, mosi, miso, sclk, ssel);
MikamiUitOpen 16:cbb726ac20d8 29 spi_format(&_spi, _bits, _mode, 1);
MikamiUitOpen 16:cbb726ac20d8 30 spi_frequency(&_spi, _hz);
MikamiUitOpen 16:cbb726ac20d8 31 }
MikamiUitOpen 16:cbb726ac20d8 32
MikamiUitOpen 16:cbb726ac20d8 33 void SPISlave::format(int bits, int mode) {
MikamiUitOpen 16:cbb726ac20d8 34 _bits = bits;
MikamiUitOpen 16:cbb726ac20d8 35 _mode = mode;
MikamiUitOpen 16:cbb726ac20d8 36 spi_format(&_spi, _bits, _mode, 1);
MikamiUitOpen 16:cbb726ac20d8 37 }
MikamiUitOpen 16:cbb726ac20d8 38
MikamiUitOpen 16:cbb726ac20d8 39 void SPISlave::frequency(int hz) {
MikamiUitOpen 16:cbb726ac20d8 40 _hz = hz;
MikamiUitOpen 16:cbb726ac20d8 41 spi_frequency(&_spi, _hz);
MikamiUitOpen 16:cbb726ac20d8 42 }
MikamiUitOpen 16:cbb726ac20d8 43
MikamiUitOpen 16:cbb726ac20d8 44 int SPISlave::receive(void) {
MikamiUitOpen 16:cbb726ac20d8 45 return(spi_slave_receive(&_spi));
MikamiUitOpen 16:cbb726ac20d8 46 }
MikamiUitOpen 16:cbb726ac20d8 47
MikamiUitOpen 16:cbb726ac20d8 48 int SPISlave::read(void) {
MikamiUitOpen 16:cbb726ac20d8 49 return(spi_slave_read(&_spi));
MikamiUitOpen 16:cbb726ac20d8 50 }
MikamiUitOpen 16:cbb726ac20d8 51
MikamiUitOpen 16:cbb726ac20d8 52 void SPISlave::reply(int value) {
MikamiUitOpen 16:cbb726ac20d8 53 spi_slave_write(&_spi, value);
MikamiUitOpen 16:cbb726ac20d8 54 }
MikamiUitOpen 16:cbb726ac20d8 55
MikamiUitOpen 16:cbb726ac20d8 56 } // namespace mbed
MikamiUitOpen 16:cbb726ac20d8 57
MikamiUitOpen 16:cbb726ac20d8 58 #endif