不韋 呂 / F746_AcousticEffector_MIC

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/api/DigitalIn.h@10:56f2f01df983, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 13:44:13 2017 +0000
Revision:
10:56f2f01df983
Parent:
6:38f7dce055d0 
11

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 6:38f7dce055d0 1 /* mbed Microcontroller Library
MikamiUitOpen 6:38f7dce055d0 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 6:38f7dce055d0 3 *
MikamiUitOpen 6:38f7dce055d0 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 6:38f7dce055d0 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 6:38f7dce055d0 6 * You may obtain a copy of the License at
MikamiUitOpen 6:38f7dce055d0 7 *
MikamiUitOpen 6:38f7dce055d0 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 6:38f7dce055d0 9 *
MikamiUitOpen 6:38f7dce055d0 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 6:38f7dce055d0 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 6:38f7dce055d0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 6:38f7dce055d0 13 * See the License for the specific language governing permissions and
MikamiUitOpen 6:38f7dce055d0 14 * limitations under the License.
MikamiUitOpen 6:38f7dce055d0 15 */
MikamiUitOpen 6:38f7dce055d0 16 #ifndef MBED_DIGITALIN_H
MikamiUitOpen 6:38f7dce055d0 17 #define MBED_DIGITALIN_H
MikamiUitOpen 6:38f7dce055d0 18
MikamiUitOpen 6:38f7dce055d0 19 #include "platform.h"
MikamiUitOpen 6:38f7dce055d0 20
MikamiUitOpen 6:38f7dce055d0 21 #include "gpio_api.h"
MikamiUitOpen 6:38f7dce055d0 22
MikamiUitOpen 6:38f7dce055d0 23 namespace mbed {
MikamiUitOpen 6:38f7dce055d0 24
MikamiUitOpen 6:38f7dce055d0 25 /** A digital input, used for reading the state of a pin
MikamiUitOpen 6:38f7dce055d0 26 *
MikamiUitOpen 6:38f7dce055d0 27 * Example:
MikamiUitOpen 6:38f7dce055d0 28 * @code
MikamiUitOpen 6:38f7dce055d0 29 * // Flash an LED while a DigitalIn is true
MikamiUitOpen 6:38f7dce055d0 30 *
MikamiUitOpen 6:38f7dce055d0 31 * #include "mbed.h"
MikamiUitOpen 6:38f7dce055d0 32 *
MikamiUitOpen 6:38f7dce055d0 33 * DigitalIn enable(p5);
MikamiUitOpen 6:38f7dce055d0 34 * DigitalOut led(LED1);
MikamiUitOpen 6:38f7dce055d0 35 *
MikamiUitOpen 6:38f7dce055d0 36 * int main() {
MikamiUitOpen 6:38f7dce055d0 37 * while(1) {
MikamiUitOpen 6:38f7dce055d0 38 * if(enable) {
MikamiUitOpen 6:38f7dce055d0 39 * led = !led;
MikamiUitOpen 6:38f7dce055d0 40 * }
MikamiUitOpen 6:38f7dce055d0 41 * wait(0.25);
MikamiUitOpen 6:38f7dce055d0 42 * }
MikamiUitOpen 6:38f7dce055d0 43 * }
MikamiUitOpen 6:38f7dce055d0 44 * @endcode
MikamiUitOpen 6:38f7dce055d0 45 */
MikamiUitOpen 6:38f7dce055d0 46 class DigitalIn {
MikamiUitOpen 6:38f7dce055d0 47
MikamiUitOpen 6:38f7dce055d0 48 public:
MikamiUitOpen 6:38f7dce055d0 49 /** Create a DigitalIn connected to the specified pin
MikamiUitOpen 6:38f7dce055d0 50 *
MikamiUitOpen 6:38f7dce055d0 51 * @param pin DigitalIn pin to connect to
MikamiUitOpen 6:38f7dce055d0 52 */
MikamiUitOpen 6:38f7dce055d0 53 DigitalIn(PinName pin) : gpio() {
MikamiUitOpen 6:38f7dce055d0 54 gpio_init_in(&gpio, pin);
MikamiUitOpen 6:38f7dce055d0 55 }
MikamiUitOpen 6:38f7dce055d0 56
MikamiUitOpen 6:38f7dce055d0 57 /** Create a DigitalIn connected to the specified pin
MikamiUitOpen 6:38f7dce055d0 58 *
MikamiUitOpen 6:38f7dce055d0 59 * @param pin DigitalIn pin to connect to
MikamiUitOpen 6:38f7dce055d0 60 * @param mode the initial mode of the pin
MikamiUitOpen 6:38f7dce055d0 61 */
MikamiUitOpen 6:38f7dce055d0 62 DigitalIn(PinName pin, PinMode mode) : gpio() {
MikamiUitOpen 6:38f7dce055d0 63 gpio_init_in_ex(&gpio, pin, mode);
MikamiUitOpen 6:38f7dce055d0 64 }
MikamiUitOpen 6:38f7dce055d0 65 /** Read the input, represented as 0 or 1 (int)
MikamiUitOpen 6:38f7dce055d0 66 *
MikamiUitOpen 6:38f7dce055d0 67 * @returns
MikamiUitOpen 6:38f7dce055d0 68 * An integer representing the state of the input pin,
MikamiUitOpen 6:38f7dce055d0 69 * 0 for logical 0, 1 for logical 1
MikamiUitOpen 6:38f7dce055d0 70 */
MikamiUitOpen 6:38f7dce055d0 71 int read() {
MikamiUitOpen 6:38f7dce055d0 72 return gpio_read(&gpio);
MikamiUitOpen 6:38f7dce055d0 73 }
MikamiUitOpen 6:38f7dce055d0 74
MikamiUitOpen 6:38f7dce055d0 75 /** Set the input pin mode
MikamiUitOpen 6:38f7dce055d0 76 *
MikamiUitOpen 6:38f7dce055d0 77 * @param mode PullUp, PullDown, PullNone, OpenDrain
MikamiUitOpen 6:38f7dce055d0 78 */
MikamiUitOpen 6:38f7dce055d0 79 void mode(PinMode pull) {
MikamiUitOpen 6:38f7dce055d0 80 gpio_mode(&gpio, pull);
MikamiUitOpen 6:38f7dce055d0 81 }
MikamiUitOpen 6:38f7dce055d0 82
MikamiUitOpen 6:38f7dce055d0 83 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 6:38f7dce055d0 84 *
MikamiUitOpen 6:38f7dce055d0 85 * @returns
MikamiUitOpen 6:38f7dce055d0 86 * Non zero value if pin is connected to uc GPIO
MikamiUitOpen 6:38f7dce055d0 87 * 0 if gpio object was initialized with NC
MikamiUitOpen 6:38f7dce055d0 88 */
MikamiUitOpen 6:38f7dce055d0 89 int is_connected() {
MikamiUitOpen 6:38f7dce055d0 90 return gpio_is_connected(&gpio);
MikamiUitOpen 6:38f7dce055d0 91 }
MikamiUitOpen 6:38f7dce055d0 92
MikamiUitOpen 6:38f7dce055d0 93 #ifdef MBED_OPERATORS
MikamiUitOpen 6:38f7dce055d0 94 /** An operator shorthand for read()
MikamiUitOpen 6:38f7dce055d0 95 */
MikamiUitOpen 6:38f7dce055d0 96 operator int() {
MikamiUitOpen 6:38f7dce055d0 97 return read();
MikamiUitOpen 6:38f7dce055d0 98 }
MikamiUitOpen 6:38f7dce055d0 99 #endif
MikamiUitOpen 6:38f7dce055d0 100
MikamiUitOpen 6:38f7dce055d0 101 protected:
MikamiUitOpen 6:38f7dce055d0 102 gpio_t gpio;
MikamiUitOpen 6:38f7dce055d0 103 };
MikamiUitOpen 6:38f7dce055d0 104
MikamiUitOpen 6:38f7dce055d0 105 } // namespace mbed
MikamiUitOpen 6:38f7dce055d0 106
MikamiUitOpen 6:38f7dce055d0 107 #endif