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/SPISlave.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 "SPISlave.h"

#if DEVICE_SPISLAVE

namespace mbed {

SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
    _spi(),
    _bits(8),
    _mode(0),
    _hz(1000000)
 {
    spi_init(&_spi, mosi, miso, sclk, ssel);
    spi_format(&_spi, _bits, _mode, 1);
    spi_frequency(&_spi, _hz);
}

void SPISlave::format(int bits, int mode) {
    _bits = bits;
    _mode = mode;
    spi_format(&_spi, _bits, _mode, 1);
}

void SPISlave::frequency(int hz) {
    _hz = hz;
    spi_frequency(&_spi, _hz);
}

int SPISlave::receive(void) {
    return(spi_slave_receive(&_spi));
}

int SPISlave::read(void) {
    return(spi_slave_read(&_spi));
}

void SPISlave::reply(int value) {
    spi_slave_write(&_spi, value);
}

} // namespace mbed

#endif