Руслан Бредун / Mbed 2 deprecated stm32-sensor-base2

test

Dependencies:   mbed Watchdog

Dependents:   STM32-MC_node

mbed/DigitalInOut.h@0:d383e2dee0f7, 2020-07-06 (annotated)

Committer:
ommpy
Date:
Mon Jul 06 17:18:59 2020 +0530
Revision:
0:d383e2dee0f7
first commit

Who changed what in which revision?

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ommpy 0:d383e2dee0f7 1 /* mbed Microcontroller Library
ommpy 0:d383e2dee0f7 2 * Copyright (c) 2006-2013 ARM Limited
ommpy 0:d383e2dee0f7 3 *
ommpy 0:d383e2dee0f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
ommpy 0:d383e2dee0f7 5 * you may not use this file except in compliance with the License.
ommpy 0:d383e2dee0f7 6 * You may obtain a copy of the License at
ommpy 0:d383e2dee0f7 7 *
ommpy 0:d383e2dee0f7 8 * http://www.apache.org/licenses/LICENSE-2.0
ommpy 0:d383e2dee0f7 9 *
ommpy 0:d383e2dee0f7 10 * Unless required by applicable law or agreed to in writing, software
ommpy 0:d383e2dee0f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
ommpy 0:d383e2dee0f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ommpy 0:d383e2dee0f7 13 * See the License for the specific language governing permissions and
ommpy 0:d383e2dee0f7 14 * limitations under the License.
ommpy 0:d383e2dee0f7 15 */
ommpy 0:d383e2dee0f7 16 #ifndef MBED_DIGITALINOUT_H
ommpy 0:d383e2dee0f7 17 #define MBED_DIGITALINOUT_H
ommpy 0:d383e2dee0f7 18
ommpy 0:d383e2dee0f7 19 #include "platform.h"
ommpy 0:d383e2dee0f7 20
ommpy 0:d383e2dee0f7 21 #include "gpio_api.h"
ommpy 0:d383e2dee0f7 22
ommpy 0:d383e2dee0f7 23 namespace mbed {
ommpy 0:d383e2dee0f7 24
ommpy 0:d383e2dee0f7 25 /** A digital input/output, used for setting or reading a bi-directional pin
ommpy 0:d383e2dee0f7 26 */
ommpy 0:d383e2dee0f7 27 class DigitalInOut {
ommpy 0:d383e2dee0f7 28
ommpy 0:d383e2dee0f7 29 public:
ommpy 0:d383e2dee0f7 30 /** Create a DigitalInOut connected to the specified pin
ommpy 0:d383e2dee0f7 31 *
ommpy 0:d383e2dee0f7 32 * @param pin DigitalInOut pin to connect to
ommpy 0:d383e2dee0f7 33 */
ommpy 0:d383e2dee0f7 34 DigitalInOut(PinName pin) : gpio() {
ommpy 0:d383e2dee0f7 35 gpio_init_in(&gpio, pin);
ommpy 0:d383e2dee0f7 36 }
ommpy 0:d383e2dee0f7 37
ommpy 0:d383e2dee0f7 38 /** Create a DigitalInOut connected to the specified pin
ommpy 0:d383e2dee0f7 39 *
ommpy 0:d383e2dee0f7 40 * @param pin DigitalInOut pin to connect to
ommpy 0:d383e2dee0f7 41 * @param direction the initial direction of the pin
ommpy 0:d383e2dee0f7 42 * @param mode the initial mode of the pin
ommpy 0:d383e2dee0f7 43 * @param value the initial value of the pin if is an output
ommpy 0:d383e2dee0f7 44 */
ommpy 0:d383e2dee0f7 45 DigitalInOut(PinName pin, PinDirection direction, PinMode mode, int value) : gpio() {
ommpy 0:d383e2dee0f7 46 gpio_init_inout(&gpio, pin, direction, mode, value);
ommpy 0:d383e2dee0f7 47 }
ommpy 0:d383e2dee0f7 48
ommpy 0:d383e2dee0f7 49 /** Set the output, specified as 0 or 1 (int)
ommpy 0:d383e2dee0f7 50 *
ommpy 0:d383e2dee0f7 51 * @param value An integer specifying the pin output value,
ommpy 0:d383e2dee0f7 52 * 0 for logical 0, 1 (or any other non-zero value) for logical 1
ommpy 0:d383e2dee0f7 53 */
ommpy 0:d383e2dee0f7 54 void write(int value) {
ommpy 0:d383e2dee0f7 55 gpio_write(&gpio, value);
ommpy 0:d383e2dee0f7 56 }
ommpy 0:d383e2dee0f7 57
ommpy 0:d383e2dee0f7 58 /** Return the output setting, represented as 0 or 1 (int)
ommpy 0:d383e2dee0f7 59 *
ommpy 0:d383e2dee0f7 60 * @returns
ommpy 0:d383e2dee0f7 61 * an integer representing the output setting of the pin if it is an output,
ommpy 0:d383e2dee0f7 62 * or read the input if set as an input
ommpy 0:d383e2dee0f7 63 */
ommpy 0:d383e2dee0f7 64 int read() {
ommpy 0:d383e2dee0f7 65 return gpio_read(&gpio);
ommpy 0:d383e2dee0f7 66 }
ommpy 0:d383e2dee0f7 67
ommpy 0:d383e2dee0f7 68 /** Set as an output
ommpy 0:d383e2dee0f7 69 */
ommpy 0:d383e2dee0f7 70 void output() {
ommpy 0:d383e2dee0f7 71 gpio_dir(&gpio, PIN_OUTPUT);
ommpy 0:d383e2dee0f7 72 }
ommpy 0:d383e2dee0f7 73
ommpy 0:d383e2dee0f7 74 /** Set as an input
ommpy 0:d383e2dee0f7 75 */
ommpy 0:d383e2dee0f7 76 void input() {
ommpy 0:d383e2dee0f7 77 gpio_dir(&gpio, PIN_INPUT);
ommpy 0:d383e2dee0f7 78 }
ommpy 0:d383e2dee0f7 79
ommpy 0:d383e2dee0f7 80 /** Set the input pin mode
ommpy 0:d383e2dee0f7 81 *
ommpy 0:d383e2dee0f7 82 * @param mode PullUp, PullDown, PullNone, OpenDrain
ommpy 0:d383e2dee0f7 83 */
ommpy 0:d383e2dee0f7 84 void mode(PinMode pull) {
ommpy 0:d383e2dee0f7 85 gpio_mode(&gpio, pull);
ommpy 0:d383e2dee0f7 86 }
ommpy 0:d383e2dee0f7 87
ommpy 0:d383e2dee0f7 88 /** Return the output setting, represented as 0 or 1 (int)
ommpy 0:d383e2dee0f7 89 *
ommpy 0:d383e2dee0f7 90 * @returns
ommpy 0:d383e2dee0f7 91 * Non zero value if pin is connected to uc GPIO
ommpy 0:d383e2dee0f7 92 * 0 if gpio object was initialized with NC
ommpy 0:d383e2dee0f7 93 */
ommpy 0:d383e2dee0f7 94 int is_connected() {
ommpy 0:d383e2dee0f7 95 return gpio_is_connected(&gpio);
ommpy 0:d383e2dee0f7 96 }
ommpy 0:d383e2dee0f7 97
ommpy 0:d383e2dee0f7 98 #ifdef MBED_OPERATORS
ommpy 0:d383e2dee0f7 99 /** A shorthand for write()
ommpy 0:d383e2dee0f7 100 */
ommpy 0:d383e2dee0f7 101 DigitalInOut& operator= (int value) {
ommpy 0:d383e2dee0f7 102 write(value);
ommpy 0:d383e2dee0f7 103 return *this;
ommpy 0:d383e2dee0f7 104 }
ommpy 0:d383e2dee0f7 105
ommpy 0:d383e2dee0f7 106 DigitalInOut& operator= (DigitalInOut& rhs) {
ommpy 0:d383e2dee0f7 107 write(rhs.read());
ommpy 0:d383e2dee0f7 108 return *this;
ommpy 0:d383e2dee0f7 109 }
ommpy 0:d383e2dee0f7 110
ommpy 0:d383e2dee0f7 111 /** A shorthand for read()
ommpy 0:d383e2dee0f7 112 */
ommpy 0:d383e2dee0f7 113 operator int() {
ommpy 0:d383e2dee0f7 114 return read();
ommpy 0:d383e2dee0f7 115 }
ommpy 0:d383e2dee0f7 116 #endif
ommpy 0:d383e2dee0f7 117
ommpy 0:d383e2dee0f7 118 protected:
ommpy 0:d383e2dee0f7 119 gpio_t gpio;
ommpy 0:d383e2dee0f7 120 };
ommpy 0:d383e2dee0f7 121
ommpy 0:d383e2dee0f7 122 } // namespace mbed
ommpy 0:d383e2dee0f7 123
ommpy 0:d383e2dee0f7 124 #endif