Demo program for library named SD_PlayerSkeleton of SD card player skeleton. SD カードプレーヤのための骨組みとして使うためのライブラリ SD_PlayerSkeleton の使用例.このプログラムについては,CQ出版社インターフェース誌 2018年7月号で解説している.
Dependencies: F746_GUI F746_SAI_IO SD_PlayerSkeleton
mbed_src_STM32F7/api/DigitalIn.h@19:3c3833ec00d2, 2017-04-09 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sun Apr 09 12:44:17 2017 +0000
- Revision:
- 19:3c3833ec00d2
- Parent:
- 2:cf42e62a97dc
20
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 2:cf42e62a97dc | 1 | /* mbed Microcontroller Library |
MikamiUitOpen | 2:cf42e62a97dc | 2 | * Copyright (c) 2006-2013 ARM Limited |
MikamiUitOpen | 2:cf42e62a97dc | 3 | * |
MikamiUitOpen | 2:cf42e62a97dc | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
MikamiUitOpen | 2:cf42e62a97dc | 5 | * you may not use this file except in compliance with the License. |
MikamiUitOpen | 2:cf42e62a97dc | 6 | * You may obtain a copy of the License at |
MikamiUitOpen | 2:cf42e62a97dc | 7 | * |
MikamiUitOpen | 2:cf42e62a97dc | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
MikamiUitOpen | 2:cf42e62a97dc | 9 | * |
MikamiUitOpen | 2:cf42e62a97dc | 10 | * Unless required by applicable law or agreed to in writing, software |
MikamiUitOpen | 2:cf42e62a97dc | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
MikamiUitOpen | 2:cf42e62a97dc | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
MikamiUitOpen | 2:cf42e62a97dc | 13 | * See the License for the specific language governing permissions and |
MikamiUitOpen | 2:cf42e62a97dc | 14 | * limitations under the License. |
MikamiUitOpen | 2:cf42e62a97dc | 15 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 16 | #ifndef MBED_DIGITALIN_H |
MikamiUitOpen | 2:cf42e62a97dc | 17 | #define MBED_DIGITALIN_H |
MikamiUitOpen | 2:cf42e62a97dc | 18 | |
MikamiUitOpen | 2:cf42e62a97dc | 19 | #include "platform.h" |
MikamiUitOpen | 2:cf42e62a97dc | 20 | |
MikamiUitOpen | 2:cf42e62a97dc | 21 | #include "gpio_api.h" |
MikamiUitOpen | 2:cf42e62a97dc | 22 | |
MikamiUitOpen | 2:cf42e62a97dc | 23 | namespace mbed { |
MikamiUitOpen | 2:cf42e62a97dc | 24 | |
MikamiUitOpen | 2:cf42e62a97dc | 25 | /** A digital input, used for reading the state of a pin |
MikamiUitOpen | 2:cf42e62a97dc | 26 | * |
MikamiUitOpen | 2:cf42e62a97dc | 27 | * Example: |
MikamiUitOpen | 2:cf42e62a97dc | 28 | * @code |
MikamiUitOpen | 2:cf42e62a97dc | 29 | * // Flash an LED while a DigitalIn is true |
MikamiUitOpen | 2:cf42e62a97dc | 30 | * |
MikamiUitOpen | 2:cf42e62a97dc | 31 | * #include "mbed.h" |
MikamiUitOpen | 2:cf42e62a97dc | 32 | * |
MikamiUitOpen | 2:cf42e62a97dc | 33 | * DigitalIn enable(p5); |
MikamiUitOpen | 2:cf42e62a97dc | 34 | * DigitalOut led(LED1); |
MikamiUitOpen | 2:cf42e62a97dc | 35 | * |
MikamiUitOpen | 2:cf42e62a97dc | 36 | * int main() { |
MikamiUitOpen | 2:cf42e62a97dc | 37 | * while(1) { |
MikamiUitOpen | 2:cf42e62a97dc | 38 | * if(enable) { |
MikamiUitOpen | 2:cf42e62a97dc | 39 | * led = !led; |
MikamiUitOpen | 2:cf42e62a97dc | 40 | * } |
MikamiUitOpen | 2:cf42e62a97dc | 41 | * wait(0.25); |
MikamiUitOpen | 2:cf42e62a97dc | 42 | * } |
MikamiUitOpen | 2:cf42e62a97dc | 43 | * } |
MikamiUitOpen | 2:cf42e62a97dc | 44 | * @endcode |
MikamiUitOpen | 2:cf42e62a97dc | 45 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 46 | class DigitalIn { |
MikamiUitOpen | 2:cf42e62a97dc | 47 | |
MikamiUitOpen | 2:cf42e62a97dc | 48 | public: |
MikamiUitOpen | 2:cf42e62a97dc | 49 | /** Create a DigitalIn connected to the specified pin |
MikamiUitOpen | 2:cf42e62a97dc | 50 | * |
MikamiUitOpen | 2:cf42e62a97dc | 51 | * @param pin DigitalIn pin to connect to |
MikamiUitOpen | 2:cf42e62a97dc | 52 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 53 | DigitalIn(PinName pin) : gpio() { |
MikamiUitOpen | 2:cf42e62a97dc | 54 | gpio_init_in(&gpio, pin); |
MikamiUitOpen | 2:cf42e62a97dc | 55 | } |
MikamiUitOpen | 2:cf42e62a97dc | 56 | |
MikamiUitOpen | 2:cf42e62a97dc | 57 | /** Create a DigitalIn connected to the specified pin |
MikamiUitOpen | 2:cf42e62a97dc | 58 | * |
MikamiUitOpen | 2:cf42e62a97dc | 59 | * @param pin DigitalIn pin to connect to |
MikamiUitOpen | 2:cf42e62a97dc | 60 | * @param mode the initial mode of the pin |
MikamiUitOpen | 2:cf42e62a97dc | 61 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 62 | DigitalIn(PinName pin, PinMode mode) : gpio() { |
MikamiUitOpen | 2:cf42e62a97dc | 63 | gpio_init_in_ex(&gpio, pin, mode); |
MikamiUitOpen | 2:cf42e62a97dc | 64 | } |
MikamiUitOpen | 2:cf42e62a97dc | 65 | /** Read the input, represented as 0 or 1 (int) |
MikamiUitOpen | 2:cf42e62a97dc | 66 | * |
MikamiUitOpen | 2:cf42e62a97dc | 67 | * @returns |
MikamiUitOpen | 2:cf42e62a97dc | 68 | * An integer representing the state of the input pin, |
MikamiUitOpen | 2:cf42e62a97dc | 69 | * 0 for logical 0, 1 for logical 1 |
MikamiUitOpen | 2:cf42e62a97dc | 70 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 71 | int read() { |
MikamiUitOpen | 2:cf42e62a97dc | 72 | return gpio_read(&gpio); |
MikamiUitOpen | 2:cf42e62a97dc | 73 | } |
MikamiUitOpen | 2:cf42e62a97dc | 74 | |
MikamiUitOpen | 2:cf42e62a97dc | 75 | /** Set the input pin mode |
MikamiUitOpen | 2:cf42e62a97dc | 76 | * |
MikamiUitOpen | 2:cf42e62a97dc | 77 | * @param mode PullUp, PullDown, PullNone, OpenDrain |
MikamiUitOpen | 2:cf42e62a97dc | 78 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 79 | void mode(PinMode pull) { |
MikamiUitOpen | 2:cf42e62a97dc | 80 | gpio_mode(&gpio, pull); |
MikamiUitOpen | 2:cf42e62a97dc | 81 | } |
MikamiUitOpen | 2:cf42e62a97dc | 82 | |
MikamiUitOpen | 2:cf42e62a97dc | 83 | /** Return the output setting, represented as 0 or 1 (int) |
MikamiUitOpen | 2:cf42e62a97dc | 84 | * |
MikamiUitOpen | 2:cf42e62a97dc | 85 | * @returns |
MikamiUitOpen | 2:cf42e62a97dc | 86 | * Non zero value if pin is connected to uc GPIO |
MikamiUitOpen | 2:cf42e62a97dc | 87 | * 0 if gpio object was initialized with NC |
MikamiUitOpen | 2:cf42e62a97dc | 88 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 89 | int is_connected() { |
MikamiUitOpen | 2:cf42e62a97dc | 90 | return gpio_is_connected(&gpio); |
MikamiUitOpen | 2:cf42e62a97dc | 91 | } |
MikamiUitOpen | 2:cf42e62a97dc | 92 | |
MikamiUitOpen | 2:cf42e62a97dc | 93 | #ifdef MBED_OPERATORS |
MikamiUitOpen | 2:cf42e62a97dc | 94 | /** An operator shorthand for read() |
MikamiUitOpen | 2:cf42e62a97dc | 95 | */ |
MikamiUitOpen | 2:cf42e62a97dc | 96 | operator int() { |
MikamiUitOpen | 2:cf42e62a97dc | 97 | return read(); |
MikamiUitOpen | 2:cf42e62a97dc | 98 | } |
MikamiUitOpen | 2:cf42e62a97dc | 99 | #endif |
MikamiUitOpen | 2:cf42e62a97dc | 100 | |
MikamiUitOpen | 2:cf42e62a97dc | 101 | protected: |
MikamiUitOpen | 2:cf42e62a97dc | 102 | gpio_t gpio; |
MikamiUitOpen | 2:cf42e62a97dc | 103 | }; |
MikamiUitOpen | 2:cf42e62a97dc | 104 | |
MikamiUitOpen | 2:cf42e62a97dc | 105 | } // namespace mbed |
MikamiUitOpen | 2:cf42e62a97dc | 106 | |
MikamiUitOpen | 2:cf42e62a97dc | 107 | #endif |