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/I2CSlave.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 "I2CSlave.h"
MikamiUitOpen 16:cbb726ac20d8 17
MikamiUitOpen 16:cbb726ac20d8 18 #if DEVICE_I2CSLAVE
MikamiUitOpen 16:cbb726ac20d8 19
MikamiUitOpen 16:cbb726ac20d8 20 namespace mbed {
MikamiUitOpen 16:cbb726ac20d8 21
MikamiUitOpen 16:cbb726ac20d8 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
MikamiUitOpen 16:cbb726ac20d8 23 i2c_init(&_i2c, sda, scl);
MikamiUitOpen 16:cbb726ac20d8 24 i2c_frequency(&_i2c, 100000);
MikamiUitOpen 16:cbb726ac20d8 25 i2c_slave_mode(&_i2c, 1);
MikamiUitOpen 16:cbb726ac20d8 26 }
MikamiUitOpen 16:cbb726ac20d8 27
MikamiUitOpen 16:cbb726ac20d8 28 void I2CSlave::frequency(int hz) {
MikamiUitOpen 16:cbb726ac20d8 29 i2c_frequency(&_i2c, hz);
MikamiUitOpen 16:cbb726ac20d8 30 }
MikamiUitOpen 16:cbb726ac20d8 31
MikamiUitOpen 16:cbb726ac20d8 32 void I2CSlave::address(int address) {
MikamiUitOpen 16:cbb726ac20d8 33 int addr = (address & 0xFF) | 1;
MikamiUitOpen 16:cbb726ac20d8 34 i2c_slave_address(&_i2c, 0, addr, 0);
MikamiUitOpen 16:cbb726ac20d8 35 }
MikamiUitOpen 16:cbb726ac20d8 36
MikamiUitOpen 16:cbb726ac20d8 37 int I2CSlave::receive(void) {
MikamiUitOpen 16:cbb726ac20d8 38 return i2c_slave_receive(&_i2c);
MikamiUitOpen 16:cbb726ac20d8 39 }
MikamiUitOpen 16:cbb726ac20d8 40
MikamiUitOpen 16:cbb726ac20d8 41 int I2CSlave::read(char *data, int length) {
MikamiUitOpen 16:cbb726ac20d8 42 return i2c_slave_read(&_i2c, data, length) != length;
MikamiUitOpen 16:cbb726ac20d8 43 }
MikamiUitOpen 16:cbb726ac20d8 44
MikamiUitOpen 16:cbb726ac20d8 45 int I2CSlave::read(void) {
MikamiUitOpen 16:cbb726ac20d8 46 return i2c_byte_read(&_i2c, 0);
MikamiUitOpen 16:cbb726ac20d8 47 }
MikamiUitOpen 16:cbb726ac20d8 48
MikamiUitOpen 16:cbb726ac20d8 49 int I2CSlave::write(const char *data, int length) {
MikamiUitOpen 16:cbb726ac20d8 50 return i2c_slave_write(&_i2c, data, length) != length;
MikamiUitOpen 16:cbb726ac20d8 51 }
MikamiUitOpen 16:cbb726ac20d8 52
MikamiUitOpen 16:cbb726ac20d8 53 int I2CSlave::write(int data) {
MikamiUitOpen 16:cbb726ac20d8 54 return i2c_byte_write(&_i2c, data);
MikamiUitOpen 16:cbb726ac20d8 55 }
MikamiUitOpen 16:cbb726ac20d8 56
MikamiUitOpen 16:cbb726ac20d8 57 void I2CSlave::stop(void) {
MikamiUitOpen 16:cbb726ac20d8 58 i2c_stop(&_i2c);
MikamiUitOpen 16:cbb726ac20d8 59 }
MikamiUitOpen 16:cbb726ac20d8 60
MikamiUitOpen 16:cbb726ac20d8 61 }
MikamiUitOpen 16:cbb726ac20d8 62
MikamiUitOpen 16:cbb726ac20d8 63 #endif