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/DigitalInOut.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_DIGITALINOUT_H
MikamiUitOpen 6:38f7dce055d0 17 #define MBED_DIGITALINOUT_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/output, used for setting or reading a bi-directional pin
MikamiUitOpen 6:38f7dce055d0 26 */
MikamiUitOpen 6:38f7dce055d0 27 class DigitalInOut {
MikamiUitOpen 6:38f7dce055d0 28
MikamiUitOpen 6:38f7dce055d0 29 public:
MikamiUitOpen 6:38f7dce055d0 30 /** Create a DigitalInOut connected to the specified pin
MikamiUitOpen 6:38f7dce055d0 31 *
MikamiUitOpen 6:38f7dce055d0 32 * @param pin DigitalInOut pin to connect to
MikamiUitOpen 6:38f7dce055d0 33 */
MikamiUitOpen 6:38f7dce055d0 34 DigitalInOut(PinName pin) : gpio() {
MikamiUitOpen 6:38f7dce055d0 35 gpio_init_in(&gpio, pin);
MikamiUitOpen 6:38f7dce055d0 36 }
MikamiUitOpen 6:38f7dce055d0 37
MikamiUitOpen 6:38f7dce055d0 38 /** Create a DigitalInOut connected to the specified pin
MikamiUitOpen 6:38f7dce055d0 39 *
MikamiUitOpen 6:38f7dce055d0 40 * @param pin DigitalInOut pin to connect to
MikamiUitOpen 6:38f7dce055d0 41 * @param direction the initial direction of the pin
MikamiUitOpen 6:38f7dce055d0 42 * @param mode the initial mode of the pin
MikamiUitOpen 6:38f7dce055d0 43 * @param value the initial value of the pin if is an output
MikamiUitOpen 6:38f7dce055d0 44 */
MikamiUitOpen 6:38f7dce055d0 45 DigitalInOut(PinName pin, PinDirection direction, PinMode mode, int value) : gpio() {
MikamiUitOpen 6:38f7dce055d0 46 gpio_init_inout(&gpio, pin, direction, mode, value);
MikamiUitOpen 6:38f7dce055d0 47 }
MikamiUitOpen 6:38f7dce055d0 48
MikamiUitOpen 6:38f7dce055d0 49 /** Set the output, specified as 0 or 1 (int)
MikamiUitOpen 6:38f7dce055d0 50 *
MikamiUitOpen 6:38f7dce055d0 51 * @param value An integer specifying the pin output value,
MikamiUitOpen 6:38f7dce055d0 52 * 0 for logical 0, 1 (or any other non-zero value) for logical 1
MikamiUitOpen 6:38f7dce055d0 53 */
MikamiUitOpen 6:38f7dce055d0 54 void write(int value) {
MikamiUitOpen 6:38f7dce055d0 55 gpio_write(&gpio, value);
MikamiUitOpen 6:38f7dce055d0 56 }
MikamiUitOpen 6:38f7dce055d0 57
MikamiUitOpen 6:38f7dce055d0 58 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 6:38f7dce055d0 59 *
MikamiUitOpen 6:38f7dce055d0 60 * @returns
MikamiUitOpen 6:38f7dce055d0 61 * an integer representing the output setting of the pin if it is an output,
MikamiUitOpen 6:38f7dce055d0 62 * or read the input if set as an input
MikamiUitOpen 6:38f7dce055d0 63 */
MikamiUitOpen 6:38f7dce055d0 64 int read() {
MikamiUitOpen 6:38f7dce055d0 65 return gpio_read(&gpio);
MikamiUitOpen 6:38f7dce055d0 66 }
MikamiUitOpen 6:38f7dce055d0 67
MikamiUitOpen 6:38f7dce055d0 68 /** Set as an output
MikamiUitOpen 6:38f7dce055d0 69 */
MikamiUitOpen 6:38f7dce055d0 70 void output() {
MikamiUitOpen 6:38f7dce055d0 71 gpio_dir(&gpio, PIN_OUTPUT);
MikamiUitOpen 6:38f7dce055d0 72 }
MikamiUitOpen 6:38f7dce055d0 73
MikamiUitOpen 6:38f7dce055d0 74 /** Set as an input
MikamiUitOpen 6:38f7dce055d0 75 */
MikamiUitOpen 6:38f7dce055d0 76 void input() {
MikamiUitOpen 6:38f7dce055d0 77 gpio_dir(&gpio, PIN_INPUT);
MikamiUitOpen 6:38f7dce055d0 78 }
MikamiUitOpen 6:38f7dce055d0 79
MikamiUitOpen 6:38f7dce055d0 80 /** Set the input pin mode
MikamiUitOpen 6:38f7dce055d0 81 *
MikamiUitOpen 6:38f7dce055d0 82 * @param mode PullUp, PullDown, PullNone, OpenDrain
MikamiUitOpen 6:38f7dce055d0 83 */
MikamiUitOpen 6:38f7dce055d0 84 void mode(PinMode pull) {
MikamiUitOpen 6:38f7dce055d0 85 gpio_mode(&gpio, pull);
MikamiUitOpen 6:38f7dce055d0 86 }
MikamiUitOpen 6:38f7dce055d0 87
MikamiUitOpen 6:38f7dce055d0 88 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 6:38f7dce055d0 89 *
MikamiUitOpen 6:38f7dce055d0 90 * @returns
MikamiUitOpen 6:38f7dce055d0 91 * Non zero value if pin is connected to uc GPIO
MikamiUitOpen 6:38f7dce055d0 92 * 0 if gpio object was initialized with NC
MikamiUitOpen 6:38f7dce055d0 93 */
MikamiUitOpen 6:38f7dce055d0 94 int is_connected() {
MikamiUitOpen 6:38f7dce055d0 95 return gpio_is_connected(&gpio);
MikamiUitOpen 6:38f7dce055d0 96 }
MikamiUitOpen 6:38f7dce055d0 97
MikamiUitOpen 6:38f7dce055d0 98 #ifdef MBED_OPERATORS
MikamiUitOpen 6:38f7dce055d0 99 /** A shorthand for write()
MikamiUitOpen 6:38f7dce055d0 100 */
MikamiUitOpen 6:38f7dce055d0 101 DigitalInOut& operator= (int value) {
MikamiUitOpen 6:38f7dce055d0 102 write(value);
MikamiUitOpen 6:38f7dce055d0 103 return *this;
MikamiUitOpen 6:38f7dce055d0 104 }
MikamiUitOpen 6:38f7dce055d0 105
MikamiUitOpen 6:38f7dce055d0 106 DigitalInOut& operator= (DigitalInOut& rhs) {
MikamiUitOpen 6:38f7dce055d0 107 write(rhs.read());
MikamiUitOpen 6:38f7dce055d0 108 return *this;
MikamiUitOpen 6:38f7dce055d0 109 }
MikamiUitOpen 6:38f7dce055d0 110
MikamiUitOpen 6:38f7dce055d0 111 /** A shorthand for read()
MikamiUitOpen 6:38f7dce055d0 112 */
MikamiUitOpen 6:38f7dce055d0 113 operator int() {
MikamiUitOpen 6:38f7dce055d0 114 return read();
MikamiUitOpen 6:38f7dce055d0 115 }
MikamiUitOpen 6:38f7dce055d0 116 #endif
MikamiUitOpen 6:38f7dce055d0 117
MikamiUitOpen 6:38f7dce055d0 118 protected:
MikamiUitOpen 6:38f7dce055d0 119 gpio_t gpio;
MikamiUitOpen 6:38f7dce055d0 120 };
MikamiUitOpen 6:38f7dce055d0 121
MikamiUitOpen 6:38f7dce055d0 122 } // namespace mbed
MikamiUitOpen 6:38f7dce055d0 123
MikamiUitOpen 6:38f7dce055d0 124 #endif