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/DigitalOut.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_DIGITALOUT_H
MikamiUitOpen 16:cbb726ac20d8 17 #define MBED_DIGITALOUT_H
MikamiUitOpen 16:cbb726ac20d8 18
MikamiUitOpen 16:cbb726ac20d8 19 #include "platform.h"
MikamiUitOpen 16:cbb726ac20d8 20 #include "gpio_api.h"
MikamiUitOpen 16:cbb726ac20d8 21
MikamiUitOpen 16:cbb726ac20d8 22 namespace mbed {
MikamiUitOpen 16:cbb726ac20d8 23
MikamiUitOpen 16:cbb726ac20d8 24 /** A digital output, used for setting the state of a pin
MikamiUitOpen 16:cbb726ac20d8 25 *
MikamiUitOpen 16:cbb726ac20d8 26 * Example:
MikamiUitOpen 16:cbb726ac20d8 27 * @code
MikamiUitOpen 16:cbb726ac20d8 28 * // Toggle a LED
MikamiUitOpen 16:cbb726ac20d8 29 * #include "mbed.h"
MikamiUitOpen 16:cbb726ac20d8 30 *
MikamiUitOpen 16:cbb726ac20d8 31 * DigitalOut led(LED1);
MikamiUitOpen 16:cbb726ac20d8 32 *
MikamiUitOpen 16:cbb726ac20d8 33 * int main() {
MikamiUitOpen 16:cbb726ac20d8 34 * while(1) {
MikamiUitOpen 16:cbb726ac20d8 35 * led = !led;
MikamiUitOpen 16:cbb726ac20d8 36 * wait(0.2);
MikamiUitOpen 16:cbb726ac20d8 37 * }
MikamiUitOpen 16:cbb726ac20d8 38 * }
MikamiUitOpen 16:cbb726ac20d8 39 * @endcode
MikamiUitOpen 16:cbb726ac20d8 40 */
MikamiUitOpen 16:cbb726ac20d8 41 class DigitalOut {
MikamiUitOpen 16:cbb726ac20d8 42
MikamiUitOpen 16:cbb726ac20d8 43 public:
MikamiUitOpen 16:cbb726ac20d8 44 /** Create a DigitalOut connected to the specified pin
MikamiUitOpen 16:cbb726ac20d8 45 *
MikamiUitOpen 16:cbb726ac20d8 46 * @param pin DigitalOut pin to connect to
MikamiUitOpen 16:cbb726ac20d8 47 */
MikamiUitOpen 16:cbb726ac20d8 48 DigitalOut(PinName pin) : gpio() {
MikamiUitOpen 16:cbb726ac20d8 49 gpio_init_out(&gpio, pin);
MikamiUitOpen 16:cbb726ac20d8 50 }
MikamiUitOpen 16:cbb726ac20d8 51
MikamiUitOpen 16:cbb726ac20d8 52 /** Create a DigitalOut connected to the specified pin
MikamiUitOpen 16:cbb726ac20d8 53 *
MikamiUitOpen 16:cbb726ac20d8 54 * @param pin DigitalOut pin to connect to
MikamiUitOpen 16:cbb726ac20d8 55 * @param value the initial pin value
MikamiUitOpen 16:cbb726ac20d8 56 */
MikamiUitOpen 16:cbb726ac20d8 57 DigitalOut(PinName pin, int value) : gpio() {
MikamiUitOpen 16:cbb726ac20d8 58 gpio_init_out_ex(&gpio, pin, value);
MikamiUitOpen 16:cbb726ac20d8 59 }
MikamiUitOpen 16:cbb726ac20d8 60
MikamiUitOpen 16:cbb726ac20d8 61 /** Set the output, specified as 0 or 1 (int)
MikamiUitOpen 16:cbb726ac20d8 62 *
MikamiUitOpen 16:cbb726ac20d8 63 * @param value An integer specifying the pin output value,
MikamiUitOpen 16:cbb726ac20d8 64 * 0 for logical 0, 1 (or any other non-zero value) for logical 1
MikamiUitOpen 16:cbb726ac20d8 65 */
MikamiUitOpen 16:cbb726ac20d8 66 void write(int value) {
MikamiUitOpen 16:cbb726ac20d8 67 gpio_write(&gpio, value);
MikamiUitOpen 16:cbb726ac20d8 68 }
MikamiUitOpen 16:cbb726ac20d8 69
MikamiUitOpen 16:cbb726ac20d8 70 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 16:cbb726ac20d8 71 *
MikamiUitOpen 16:cbb726ac20d8 72 * @returns
MikamiUitOpen 16:cbb726ac20d8 73 * an integer representing the output setting of the pin,
MikamiUitOpen 16:cbb726ac20d8 74 * 0 for logical 0, 1 for logical 1
MikamiUitOpen 16:cbb726ac20d8 75 */
MikamiUitOpen 16:cbb726ac20d8 76 int read() {
MikamiUitOpen 16:cbb726ac20d8 77 return gpio_read(&gpio);
MikamiUitOpen 16:cbb726ac20d8 78 }
MikamiUitOpen 16:cbb726ac20d8 79
MikamiUitOpen 16:cbb726ac20d8 80 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 16:cbb726ac20d8 81 *
MikamiUitOpen 16:cbb726ac20d8 82 * @returns
MikamiUitOpen 16:cbb726ac20d8 83 * Non zero value if pin is connected to uc GPIO
MikamiUitOpen 16:cbb726ac20d8 84 * 0 if gpio object was initialized with NC
MikamiUitOpen 16:cbb726ac20d8 85 */
MikamiUitOpen 16:cbb726ac20d8 86 int is_connected() {
MikamiUitOpen 16:cbb726ac20d8 87 return gpio_is_connected(&gpio);
MikamiUitOpen 16:cbb726ac20d8 88 }
MikamiUitOpen 16:cbb726ac20d8 89
MikamiUitOpen 16:cbb726ac20d8 90 #ifdef MBED_OPERATORS
MikamiUitOpen 16:cbb726ac20d8 91 /** A shorthand for write()
MikamiUitOpen 16:cbb726ac20d8 92 */
MikamiUitOpen 16:cbb726ac20d8 93 DigitalOut& operator= (int value) {
MikamiUitOpen 16:cbb726ac20d8 94 write(value);
MikamiUitOpen 16:cbb726ac20d8 95 return *this;
MikamiUitOpen 16:cbb726ac20d8 96 }
MikamiUitOpen 16:cbb726ac20d8 97
MikamiUitOpen 16:cbb726ac20d8 98 DigitalOut& operator= (DigitalOut& rhs) {
MikamiUitOpen 16:cbb726ac20d8 99 write(rhs.read());
MikamiUitOpen 16:cbb726ac20d8 100 return *this;
MikamiUitOpen 16:cbb726ac20d8 101 }
MikamiUitOpen 16:cbb726ac20d8 102
MikamiUitOpen 16:cbb726ac20d8 103 /** A shorthand for read()
MikamiUitOpen 16:cbb726ac20d8 104 */
MikamiUitOpen 16:cbb726ac20d8 105 operator int() {
MikamiUitOpen 16:cbb726ac20d8 106 return read();
MikamiUitOpen 16:cbb726ac20d8 107 }
MikamiUitOpen 16:cbb726ac20d8 108 #endif
MikamiUitOpen 16:cbb726ac20d8 109
MikamiUitOpen 16:cbb726ac20d8 110 protected:
MikamiUitOpen 16:cbb726ac20d8 111 gpio_t gpio;
MikamiUitOpen 16:cbb726ac20d8 112 };
MikamiUitOpen 16:cbb726ac20d8 113
MikamiUitOpen 16:cbb726ac20d8 114 } // namespace mbed
MikamiUitOpen 16:cbb726ac20d8 115
MikamiUitOpen 16:cbb726ac20d8 116 #endif