Tamura Mizuki / STM32F746_FFT

fft

Dependencies:   BSP_DISCO_F746NG SDFileSystem_Warning_Fixed

mbed_src_STM32F7/api/DigitalInOut.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_DIGITALINOUT_H
MikamiUitOpen 0:3e46577dc273 17 #define MBED_DIGITALINOUT_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/output, used for setting or reading a bi-directional pin
MikamiUitOpen 0:3e46577dc273 26 */
MikamiUitOpen 0:3e46577dc273 27 class DigitalInOut {
MikamiUitOpen 0:3e46577dc273 28
MikamiUitOpen 0:3e46577dc273 29 public:
MikamiUitOpen 0:3e46577dc273 30 /** Create a DigitalInOut connected to the specified pin
MikamiUitOpen 0:3e46577dc273 31 *
MikamiUitOpen 0:3e46577dc273 32 * @param pin DigitalInOut pin to connect to
MikamiUitOpen 0:3e46577dc273 33 */
MikamiUitOpen 0:3e46577dc273 34 DigitalInOut(PinName pin) : gpio() {
MikamiUitOpen 0:3e46577dc273 35 gpio_init_in(&gpio, pin);
MikamiUitOpen 0:3e46577dc273 36 }
MikamiUitOpen 0:3e46577dc273 37
MikamiUitOpen 0:3e46577dc273 38 /** Create a DigitalInOut connected to the specified pin
MikamiUitOpen 0:3e46577dc273 39 *
MikamiUitOpen 0:3e46577dc273 40 * @param pin DigitalInOut pin to connect to
MikamiUitOpen 0:3e46577dc273 41 * @param direction the initial direction of the pin
MikamiUitOpen 0:3e46577dc273 42 * @param mode the initial mode of the pin
MikamiUitOpen 0:3e46577dc273 43 * @param value the initial value of the pin if is an output
MikamiUitOpen 0:3e46577dc273 44 */
MikamiUitOpen 0:3e46577dc273 45 DigitalInOut(PinName pin, PinDirection direction, PinMode mode, int value) : gpio() {
MikamiUitOpen 0:3e46577dc273 46 gpio_init_inout(&gpio, pin, direction, mode, value);
MikamiUitOpen 0:3e46577dc273 47 }
MikamiUitOpen 0:3e46577dc273 48
MikamiUitOpen 0:3e46577dc273 49 /** Set the output, specified as 0 or 1 (int)
MikamiUitOpen 0:3e46577dc273 50 *
MikamiUitOpen 0:3e46577dc273 51 * @param value An integer specifying the pin output value,
MikamiUitOpen 0:3e46577dc273 52 * 0 for logical 0, 1 (or any other non-zero value) for logical 1
MikamiUitOpen 0:3e46577dc273 53 */
MikamiUitOpen 0:3e46577dc273 54 void write(int value) {
MikamiUitOpen 0:3e46577dc273 55 gpio_write(&gpio, value);
MikamiUitOpen 0:3e46577dc273 56 }
MikamiUitOpen 0:3e46577dc273 57
MikamiUitOpen 0:3e46577dc273 58 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 0:3e46577dc273 59 *
MikamiUitOpen 0:3e46577dc273 60 * @returns
MikamiUitOpen 0:3e46577dc273 61 * an integer representing the output setting of the pin if it is an output,
MikamiUitOpen 0:3e46577dc273 62 * or read the input if set as an input
MikamiUitOpen 0:3e46577dc273 63 */
MikamiUitOpen 0:3e46577dc273 64 int read() {
MikamiUitOpen 0:3e46577dc273 65 return gpio_read(&gpio);
MikamiUitOpen 0:3e46577dc273 66 }
MikamiUitOpen 0:3e46577dc273 67
MikamiUitOpen 0:3e46577dc273 68 /** Set as an output
MikamiUitOpen 0:3e46577dc273 69 */
MikamiUitOpen 0:3e46577dc273 70 void output() {
MikamiUitOpen 0:3e46577dc273 71 gpio_dir(&gpio, PIN_OUTPUT);
MikamiUitOpen 0:3e46577dc273 72 }
MikamiUitOpen 0:3e46577dc273 73
MikamiUitOpen 0:3e46577dc273 74 /** Set as an input
MikamiUitOpen 0:3e46577dc273 75 */
MikamiUitOpen 0:3e46577dc273 76 void input() {
MikamiUitOpen 0:3e46577dc273 77 gpio_dir(&gpio, PIN_INPUT);
MikamiUitOpen 0:3e46577dc273 78 }
MikamiUitOpen 0:3e46577dc273 79
MikamiUitOpen 0:3e46577dc273 80 /** Set the input pin mode
MikamiUitOpen 0:3e46577dc273 81 *
MikamiUitOpen 0:3e46577dc273 82 * @param mode PullUp, PullDown, PullNone, OpenDrain
MikamiUitOpen 0:3e46577dc273 83 */
MikamiUitOpen 0:3e46577dc273 84 void mode(PinMode pull) {
MikamiUitOpen 0:3e46577dc273 85 gpio_mode(&gpio, pull);
MikamiUitOpen 0:3e46577dc273 86 }
MikamiUitOpen 0:3e46577dc273 87
MikamiUitOpen 0:3e46577dc273 88 /** Return the output setting, represented as 0 or 1 (int)
MikamiUitOpen 0:3e46577dc273 89 *
MikamiUitOpen 0:3e46577dc273 90 * @returns
MikamiUitOpen 0:3e46577dc273 91 * Non zero value if pin is connected to uc GPIO
MikamiUitOpen 0:3e46577dc273 92 * 0 if gpio object was initialized with NC
MikamiUitOpen 0:3e46577dc273 93 */
MikamiUitOpen 0:3e46577dc273 94 int is_connected() {
MikamiUitOpen 0:3e46577dc273 95 return gpio_is_connected(&gpio);
MikamiUitOpen 0:3e46577dc273 96 }
MikamiUitOpen 0:3e46577dc273 97
MikamiUitOpen 0:3e46577dc273 98 #ifdef MBED_OPERATORS
MikamiUitOpen 0:3e46577dc273 99 /** A shorthand for write()
MikamiUitOpen 0:3e46577dc273 100 */
MikamiUitOpen 0:3e46577dc273 101 DigitalInOut& operator= (int value) {
MikamiUitOpen 0:3e46577dc273 102 write(value);
MikamiUitOpen 0:3e46577dc273 103 return *this;
MikamiUitOpen 0:3e46577dc273 104 }
MikamiUitOpen 0:3e46577dc273 105
MikamiUitOpen 0:3e46577dc273 106 DigitalInOut& operator= (DigitalInOut& rhs) {
MikamiUitOpen 0:3e46577dc273 107 write(rhs.read());
MikamiUitOpen 0:3e46577dc273 108 return *this;
MikamiUitOpen 0:3e46577dc273 109 }
MikamiUitOpen 0:3e46577dc273 110
MikamiUitOpen 0:3e46577dc273 111 /** A shorthand for read()
MikamiUitOpen 0:3e46577dc273 112 */
MikamiUitOpen 0:3e46577dc273 113 operator int() {
MikamiUitOpen 0:3e46577dc273 114 return read();
MikamiUitOpen 0:3e46577dc273 115 }
MikamiUitOpen 0:3e46577dc273 116 #endif
MikamiUitOpen 0:3e46577dc273 117
MikamiUitOpen 0:3e46577dc273 118 protected:
MikamiUitOpen 0:3e46577dc273 119 gpio_t gpio;
MikamiUitOpen 0:3e46577dc273 120 };
MikamiUitOpen 0:3e46577dc273 121
MikamiUitOpen 0:3e46577dc273 122 } // namespace mbed
MikamiUitOpen 0:3e46577dc273 123
MikamiUitOpen 0:3e46577dc273 124 #endif