Tamura Mizuki / STM32F746_FFT

fft

Dependencies:   BSP_DISCO_F746NG SDFileSystem_Warning_Fixed

mbed_src_STM32F7/api/DigitalIn.h@3:6f7e05dd8d15, 2020-03-06 (annotated)

Committer:
aria19970520
Date:
Fri Mar 06 06:52:14 2020 +0000
Revision:
3:6f7e05dd8d15
Parent:
0:3e46577dc273 
fft

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:3e46577dc273 1 /* mbed Microcontroller Library
MikamiUitOpen 0:3e46577dc273 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:3e46577dc273 3 *
MikamiUitOpen 0:3e46577dc273 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:3e46577dc273 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:3e46577dc273 6 * You may obtain a copy of the License at
MikamiUitOpen 0:3e46577dc273 7 *
MikamiUitOpen 0:3e46577dc273 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:3e46577dc273 9 *
MikamiUitOpen 0:3e46577dc273 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:3e46577dc273 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:3e46577dc273 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:3e46577dc273 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:3e46577dc273 14 * limitations under the License.
MikamiUitOpen 0:3e46577dc273 15 */
MikamiUitOpen 0:3e46577dc273 16 #ifndef MBED_DIGITALIN_H
MikamiUitOpen 0:3e46577dc273 17 #define MBED_DIGITALIN_H
MikamiUitOpen 0:3e46577dc273 18
MikamiUitOpen 0:3e46577dc273 19 #include "platform.h"
MikamiUitOpen 0:3e46577dc273 20
MikamiUitOpen 0:3e46577dc273 21 #include "gpio_api.h"
MikamiUitOpen 0:3e46577dc273 22
MikamiUitOpen 0:3e46577dc273 23 namespace mbed {
MikamiUitOpen 0:3e46577dc273 24
MikamiUitOpen 0:3e46577dc273 25 /** A digital input, used for reading the state of a pin
MikamiUitOpen 0:3e46577dc273 26 *
MikamiUitOpen 0:3e46577dc273 27 * Example:
MikamiUitOpen 0:3e46577dc273 28 * @code
MikamiUitOpen 0:3e46577dc273 29 * // Flash an LED while a DigitalIn is true
MikamiUitOpen 0:3e46577dc273 30 *
MikamiUitOpen 0:3e46577dc273 31 * #include "mbed.h"
MikamiUitOpen 0:3e46577dc273 32 *
MikamiUitOpen 0:3e46577dc273 33 * DigitalIn enable(p5);
MikamiUitOpen 0:3e46577dc273 34 * DigitalOut led(LED1);
MikamiUitOpen 0:3e46577dc273 35 *
MikamiUitOpen 0:3e46577dc273 36 * int main() {
MikamiUitOpen 0:3e46577dc273 37 * while(1) {
MikamiUitOpen 0:3e46577dc273 38 * if(enable) {
MikamiUitOpen 0:3e46577dc273 39 * led = !led;
MikamiUitOpen 0:3e46577dc273 40 * }
MikamiUitOpen 0:3e46577dc273 41 * wait(0.25);
MikamiUitOpen 0:3e46577dc273 42 * }
MikamiUitOpen 0:3e46577dc273 43 * }
MikamiUitOpen 0:3e46577dc273 44 * @endcode
MikamiUitOpen 0:3e46577dc273 45 */
MikamiUitOpen 0:3e46577dc273 46 class DigitalIn {
MikamiUitOpen 0:3e46577dc273 47
MikamiUitOpen 0:3e46577dc273 48 public:
MikamiUitOpen 0:3e46577dc273 49 /** Create a DigitalIn connected to the specified pin
MikamiUitOpen 0:3e46577dc273 50 *
MikamiUitOpen 0:3e46577dc273 51 * @param pin DigitalIn pin to connect to
MikamiUitOpen 0:3e46577dc273 52 */
MikamiUitOpen 0:3e46577dc273 53 DigitalIn(PinName pin) : gpio() {
MikamiUitOpen 0:3e46577dc273 54 gpio_init_in(&gpio, pin);
MikamiUitOpen 0:3e46577dc273 55 }
MikamiUitOpen 0:3e46577dc273 56
MikamiUitOpen 0:3e46577dc273 57 /** Create a DigitalIn connected to the specified pin
MikamiUitOpen 0:3e46577dc273 58 *
MikamiUitOpen 0:3e46577dc273 59 * @param pin DigitalIn pin to connect to
MikamiUitOpen 0:3e46577dc273 60 * @param mode the initial mode of the pin
MikamiUitOpen 0:3e46577dc273 61 */
MikamiUitOpen 0:3e46577dc273 62 DigitalIn(PinName pin, PinMode mode) : gpio() {
MikamiUitOpen 0:3e46577dc273 63 gpio_init_in_ex(&gpio, pin, mode);
MikamiUitOpen 0:3e46577dc273 64 }
MikamiUitOpen 0:3e46577dc273 65 /** Read the input, represented as 0 or 1 (int)
MikamiUitOpen 0:3e46577dc273 66 *
MikamiUitOpen 0:3e46577dc273 67 * @returns
MikamiUitOpen 0:3e46577dc273 68 * An integer representing the state of the input pin,
MikamiUitOpen 0:3e46577dc273 69 * 0 for logical 0, 1 for logical 1
MikamiUitOpen 0:3e46577dc273 70 */
MikamiUitOpen 0:3e46577dc273 71 int read() {
MikamiUitOpen 0:3e46577dc273 72 return gpio_read(&gpio);
MikamiUitOpen 0:3e46577dc273 73 }
MikamiUitOpen 0:3e46577dc273 74
MikamiUitOpen 0:3e46577dc273 75 /** Set the input pin mode
MikamiUitOpen 0:3e46577dc273 76 *
MikamiUitOpen 0:3e46577dc273 77 * @param mode PullUp, PullDown, PullNone, OpenDrain
MikamiUitOpen 0:3e46577dc273 78 */
MikamiUitOpen 0:3e46577dc273 79 void mode(PinMode pull) {
MikamiUitOpen 0:3e46577dc273 80 gpio_mode(&gpio, pull);
MikamiUitOpen 0:3e46577dc273 81 }
MikamiUitOpen 0:3e46577dc273 82
MikamiUitOpen 0:3e46577dc273 83 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 0:3e46577dc273 84 *
MikamiUitOpen 0:3e46577dc273 85 * @returns
MikamiUitOpen 0:3e46577dc273 86 * Non zero value if pin is connected to uc GPIO
MikamiUitOpen 0:3e46577dc273 87 * 0 if gpio object was initialized with NC
MikamiUitOpen 0:3e46577dc273 88 */
MikamiUitOpen 0:3e46577dc273 89 int is_connected() {
MikamiUitOpen 0:3e46577dc273 90 return gpio_is_connected(&gpio);
MikamiUitOpen 0:3e46577dc273 91 }
MikamiUitOpen 0:3e46577dc273 92
MikamiUitOpen 0:3e46577dc273 93 #ifdef MBED_OPERATORS
MikamiUitOpen 0:3e46577dc273 94 /** An operator shorthand for read()
MikamiUitOpen 0:3e46577dc273 95 */
MikamiUitOpen 0:3e46577dc273 96 operator int() {
MikamiUitOpen 0:3e46577dc273 97 return read();
MikamiUitOpen 0:3e46577dc273 98 }
MikamiUitOpen 0:3e46577dc273 99 #endif
MikamiUitOpen 0:3e46577dc273 100
MikamiUitOpen 0:3e46577dc273 101 protected:
MikamiUitOpen 0:3e46577dc273 102 gpio_t gpio;
MikamiUitOpen 0:3e46577dc273 103 };
MikamiUitOpen 0:3e46577dc273 104
MikamiUitOpen 0:3e46577dc273 105 } // namespace mbed
MikamiUitOpen 0:3e46577dc273 106
MikamiUitOpen 0:3e46577dc273 107 #endif