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/common/I2CSlave.cpp

Committer:
MikamiUitOpen
Date:
2017-04-10
Revision:
10:56f2f01df983
Parent:
6:38f7dce055d0

File content as of revision 10:56f2f01df983:

/* mbed Microcontroller Library
 * Copyright (c) 2006-2013 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "I2CSlave.h"

#if DEVICE_I2CSLAVE

namespace mbed {

I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
    i2c_init(&_i2c, sda, scl);
    i2c_frequency(&_i2c, 100000);
    i2c_slave_mode(&_i2c, 1);
}

void I2CSlave::frequency(int hz) {
    i2c_frequency(&_i2c, hz);
}

void I2CSlave::address(int address) {
    int addr = (address & 0xFF) | 1;
    i2c_slave_address(&_i2c, 0, addr, 0);
}

int I2CSlave::receive(void) {
    return i2c_slave_receive(&_i2c);
}

int I2CSlave::read(char *data, int length) {
    return i2c_slave_read(&_i2c, data, length) != length;
}

int I2CSlave::read(void) {
    return i2c_byte_read(&_i2c, 0);
}

int I2CSlave::write(const char *data, int length) {
    return i2c_slave_write(&_i2c, data, length) != length;
}

int I2CSlave::write(int data) {
    return i2c_byte_write(&_i2c, data);
}

void I2CSlave::stop(void) {
    i2c_stop(&_i2c);
}

}

#endif