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/api/DigitalIn.h@16:cbb726ac20d8, 2016-10-02 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 02 06:33:59 2016 +0000
Revision:
16:cbb726ac20d8
17

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 #ifndef MBED_DIGITALIN_H
MikamiUitOpen 16:cbb726ac20d8 17 #define MBED_DIGITALIN_H
MikamiUitOpen 16:cbb726ac20d8 18
MikamiUitOpen 16:cbb726ac20d8 19 #include "platform.h"
MikamiUitOpen 16:cbb726ac20d8 20
MikamiUitOpen 16:cbb726ac20d8 21 #include "gpio_api.h"
MikamiUitOpen 16:cbb726ac20d8 22
MikamiUitOpen 16:cbb726ac20d8 23 namespace mbed {
MikamiUitOpen 16:cbb726ac20d8 24
MikamiUitOpen 16:cbb726ac20d8 25 /** A digital input, used for reading the state of a pin
MikamiUitOpen 16:cbb726ac20d8 26 *
MikamiUitOpen 16:cbb726ac20d8 27 * Example:
MikamiUitOpen 16:cbb726ac20d8 28 * @code
MikamiUitOpen 16:cbb726ac20d8 29 * // Flash an LED while a DigitalIn is true
MikamiUitOpen 16:cbb726ac20d8 30 *
MikamiUitOpen 16:cbb726ac20d8 31 * #include "mbed.h"
MikamiUitOpen 16:cbb726ac20d8 32 *
MikamiUitOpen 16:cbb726ac20d8 33 * DigitalIn enable(p5);
MikamiUitOpen 16:cbb726ac20d8 34 * DigitalOut led(LED1);
MikamiUitOpen 16:cbb726ac20d8 35 *
MikamiUitOpen 16:cbb726ac20d8 36 * int main() {
MikamiUitOpen 16:cbb726ac20d8 37 * while(1) {
MikamiUitOpen 16:cbb726ac20d8 38 * if(enable) {
MikamiUitOpen 16:cbb726ac20d8 39 * led = !led;
MikamiUitOpen 16:cbb726ac20d8 40 * }
MikamiUitOpen 16:cbb726ac20d8 41 * wait(0.25);
MikamiUitOpen 16:cbb726ac20d8 42 * }
MikamiUitOpen 16:cbb726ac20d8 43 * }
MikamiUitOpen 16:cbb726ac20d8 44 * @endcode
MikamiUitOpen 16:cbb726ac20d8 45 */
MikamiUitOpen 16:cbb726ac20d8 46 class DigitalIn {
MikamiUitOpen 16:cbb726ac20d8 47
MikamiUitOpen 16:cbb726ac20d8 48 public:
MikamiUitOpen 16:cbb726ac20d8 49 /** Create a DigitalIn connected to the specified pin
MikamiUitOpen 16:cbb726ac20d8 50 *
MikamiUitOpen 16:cbb726ac20d8 51 * @param pin DigitalIn pin to connect to
MikamiUitOpen 16:cbb726ac20d8 52 */
MikamiUitOpen 16:cbb726ac20d8 53 DigitalIn(PinName pin) : gpio() {
MikamiUitOpen 16:cbb726ac20d8 54 gpio_init_in(&gpio, pin);
MikamiUitOpen 16:cbb726ac20d8 55 }
MikamiUitOpen 16:cbb726ac20d8 56
MikamiUitOpen 16:cbb726ac20d8 57 /** Create a DigitalIn connected to the specified pin
MikamiUitOpen 16:cbb726ac20d8 58 *
MikamiUitOpen 16:cbb726ac20d8 59 * @param pin DigitalIn pin to connect to
MikamiUitOpen 16:cbb726ac20d8 60 * @param mode the initial mode of the pin
MikamiUitOpen 16:cbb726ac20d8 61 */
MikamiUitOpen 16:cbb726ac20d8 62 DigitalIn(PinName pin, PinMode mode) : gpio() {
MikamiUitOpen 16:cbb726ac20d8 63 gpio_init_in_ex(&gpio, pin, mode);
MikamiUitOpen 16:cbb726ac20d8 64 }
MikamiUitOpen 16:cbb726ac20d8 65 /** Read the input, represented as 0 or 1 (int)
MikamiUitOpen 16:cbb726ac20d8 66 *
MikamiUitOpen 16:cbb726ac20d8 67 * @returns
MikamiUitOpen 16:cbb726ac20d8 68 * An integer representing the state of the input pin,
MikamiUitOpen 16:cbb726ac20d8 69 * 0 for logical 0, 1 for logical 1
MikamiUitOpen 16:cbb726ac20d8 70 */
MikamiUitOpen 16:cbb726ac20d8 71 int read() {
MikamiUitOpen 16:cbb726ac20d8 72 return gpio_read(&gpio);
MikamiUitOpen 16:cbb726ac20d8 73 }
MikamiUitOpen 16:cbb726ac20d8 74
MikamiUitOpen 16:cbb726ac20d8 75 /** Set the input pin mode
MikamiUitOpen 16:cbb726ac20d8 76 *
MikamiUitOpen 16:cbb726ac20d8 77 * @param mode PullUp, PullDown, PullNone, OpenDrain
MikamiUitOpen 16:cbb726ac20d8 78 */
MikamiUitOpen 16:cbb726ac20d8 79 void mode(PinMode pull) {
MikamiUitOpen 16:cbb726ac20d8 80 gpio_mode(&gpio, pull);
MikamiUitOpen 16:cbb726ac20d8 81 }
MikamiUitOpen 16:cbb726ac20d8 82
MikamiUitOpen 16:cbb726ac20d8 83 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 16:cbb726ac20d8 84 *
MikamiUitOpen 16:cbb726ac20d8 85 * @returns
MikamiUitOpen 16:cbb726ac20d8 86 * Non zero value if pin is connected to uc GPIO
MikamiUitOpen 16:cbb726ac20d8 87 * 0 if gpio object was initialized with NC
MikamiUitOpen 16:cbb726ac20d8 88 */
MikamiUitOpen 16:cbb726ac20d8 89 int is_connected() {
MikamiUitOpen 16:cbb726ac20d8 90 return gpio_is_connected(&gpio);
MikamiUitOpen 16:cbb726ac20d8 91 }
MikamiUitOpen 16:cbb726ac20d8 92
MikamiUitOpen 16:cbb726ac20d8 93 #ifdef MBED_OPERATORS
MikamiUitOpen 16:cbb726ac20d8 94 /** An operator shorthand for read()
MikamiUitOpen 16:cbb726ac20d8 95 */
MikamiUitOpen 16:cbb726ac20d8 96 operator int() {
MikamiUitOpen 16:cbb726ac20d8 97 return read();
MikamiUitOpen 16:cbb726ac20d8 98 }
MikamiUitOpen 16:cbb726ac20d8 99 #endif
MikamiUitOpen 16:cbb726ac20d8 100
MikamiUitOpen 16:cbb726ac20d8 101 protected:
MikamiUitOpen 16:cbb726ac20d8 102 gpio_t gpio;
MikamiUitOpen 16:cbb726ac20d8 103 };
MikamiUitOpen 16:cbb726ac20d8 104
MikamiUitOpen 16:cbb726ac20d8 105 } // namespace mbed
MikamiUitOpen 16:cbb726ac20d8 106
MikamiUitOpen 16:cbb726ac20d8 107 #endif