Mark Turner / MarksMbed

This is a repository for all my programs or modified programs.

DigitalInOut.h@0:72480818e4a9, 2016-09-11 (annotated)

Committer:
mturner5
Date:
Sun Sep 11 23:48:09 2016 +0000
Revision:
0:72480818e4a9
Made delays for the LEDS and button presses

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mturner5 0:72480818e4a9 1 /* mbed Microcontroller Library
mturner5 0:72480818e4a9 2 * Copyright (c) 2006-2013 ARM Limited
mturner5 0:72480818e4a9 3 *
mturner5 0:72480818e4a9 4 * Licensed under the Apache License, Version 2.0 (the "License");
mturner5 0:72480818e4a9 5 * you may not use this file except in compliance with the License.
mturner5 0:72480818e4a9 6 * You may obtain a copy of the License at
mturner5 0:72480818e4a9 7 *
mturner5 0:72480818e4a9 8 * http://www.apache.org/licenses/LICENSE-2.0
mturner5 0:72480818e4a9 9 *
mturner5 0:72480818e4a9 10 * Unless required by applicable law or agreed to in writing, software
mturner5 0:72480818e4a9 11 * distributed under the License is distributed on an "AS IS" BASIS,
mturner5 0:72480818e4a9 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mturner5 0:72480818e4a9 13 * See the License for the specific language governing permissions and
mturner5 0:72480818e4a9 14 * limitations under the License.
mturner5 0:72480818e4a9 15 */
mturner5 0:72480818e4a9 16 #ifndef MBED_DIGITALINOUT_H
mturner5 0:72480818e4a9 17 #define MBED_DIGITALINOUT_H
mturner5 0:72480818e4a9 18
mturner5 0:72480818e4a9 19 #include "platform.h"
mturner5 0:72480818e4a9 20
mturner5 0:72480818e4a9 21 #include "gpio_api.h"
mturner5 0:72480818e4a9 22
mturner5 0:72480818e4a9 23 namespace mbed {
mturner5 0:72480818e4a9 24
mturner5 0:72480818e4a9 25 /** A digital input/output, used for setting or reading a bi-directional pin
mturner5 0:72480818e4a9 26 */
mturner5 0:72480818e4a9 27 class DigitalInOut {
mturner5 0:72480818e4a9 28
mturner5 0:72480818e4a9 29 public:
mturner5 0:72480818e4a9 30 /** Create a DigitalInOut connected to the specified pin
mturner5 0:72480818e4a9 31 *
mturner5 0:72480818e4a9 32 * @param pin DigitalInOut pin to connect to
mturner5 0:72480818e4a9 33 */
mturner5 0:72480818e4a9 34 DigitalInOut(PinName pin) : gpio() {
mturner5 0:72480818e4a9 35 gpio_init_in(&gpio, pin);
mturner5 0:72480818e4a9 36 }
mturner5 0:72480818e4a9 37
mturner5 0:72480818e4a9 38 /** Create a DigitalInOut connected to the specified pin
mturner5 0:72480818e4a9 39 *
mturner5 0:72480818e4a9 40 * @param pin DigitalInOut pin to connect to
mturner5 0:72480818e4a9 41 * @param direction the initial direction of the pin
mturner5 0:72480818e4a9 42 * @param mode the initial mode of the pin
mturner5 0:72480818e4a9 43 * @param value the initial value of the pin if is an output
mturner5 0:72480818e4a9 44 */
mturner5 0:72480818e4a9 45 DigitalInOut(PinName pin, PinDirection direction, PinMode mode, int value) : gpio() {
mturner5 0:72480818e4a9 46 gpio_init_inout(&gpio, pin, direction, mode, value);
mturner5 0:72480818e4a9 47 }
mturner5 0:72480818e4a9 48
mturner5 0:72480818e4a9 49 /** Set the output, specified as 0 or 1 (int)
mturner5 0:72480818e4a9 50 *
mturner5 0:72480818e4a9 51 * @param value An integer specifying the pin output value,
mturner5 0:72480818e4a9 52 * 0 for logical 0, 1 (or any other non-zero value) for logical 1
mturner5 0:72480818e4a9 53 */
mturner5 0:72480818e4a9 54 void write(int value) {
mturner5 0:72480818e4a9 55 gpio_write(&gpio, value);
mturner5 0:72480818e4a9 56 }
mturner5 0:72480818e4a9 57
mturner5 0:72480818e4a9 58 /** Return the output setting, represented as 0 or 1 (int)
mturner5 0:72480818e4a9 59 *
mturner5 0:72480818e4a9 60 * @returns
mturner5 0:72480818e4a9 61 * an integer representing the output setting of the pin if it is an output,
mturner5 0:72480818e4a9 62 * or read the input if set as an input
mturner5 0:72480818e4a9 63 */
mturner5 0:72480818e4a9 64 int read() {
mturner5 0:72480818e4a9 65 return gpio_read(&gpio);
mturner5 0:72480818e4a9 66 }
mturner5 0:72480818e4a9 67
mturner5 0:72480818e4a9 68 /** Set as an output
mturner5 0:72480818e4a9 69 */
mturner5 0:72480818e4a9 70 void output() {
mturner5 0:72480818e4a9 71 gpio_dir(&gpio, PIN_OUTPUT);
mturner5 0:72480818e4a9 72 }
mturner5 0:72480818e4a9 73
mturner5 0:72480818e4a9 74 /** Set as an input
mturner5 0:72480818e4a9 75 */
mturner5 0:72480818e4a9 76 void input() {
mturner5 0:72480818e4a9 77 gpio_dir(&gpio, PIN_INPUT);
mturner5 0:72480818e4a9 78 }
mturner5 0:72480818e4a9 79
mturner5 0:72480818e4a9 80 /** Set the input pin mode
mturner5 0:72480818e4a9 81 *
mturner5 0:72480818e4a9 82 * @param mode PullUp, PullDown, PullNone, OpenDrain
mturner5 0:72480818e4a9 83 */
mturner5 0:72480818e4a9 84 void mode(PinMode pull) {
mturner5 0:72480818e4a9 85 gpio_mode(&gpio, pull);
mturner5 0:72480818e4a9 86 }
mturner5 0:72480818e4a9 87
mturner5 0:72480818e4a9 88 #ifdef MBED_OPERATORS
mturner5 0:72480818e4a9 89 /** A shorthand for write()
mturner5 0:72480818e4a9 90 */
mturner5 0:72480818e4a9 91 DigitalInOut& operator= (int value) {
mturner5 0:72480818e4a9 92 write(value);
mturner5 0:72480818e4a9 93 return *this;
mturner5 0:72480818e4a9 94 }
mturner5 0:72480818e4a9 95
mturner5 0:72480818e4a9 96 DigitalInOut& operator= (DigitalInOut& rhs) {
mturner5 0:72480818e4a9 97 write(rhs.read());
mturner5 0:72480818e4a9 98 return *this;
mturner5 0:72480818e4a9 99 }
mturner5 0:72480818e4a9 100
mturner5 0:72480818e4a9 101 /** A shorthand for read()
mturner5 0:72480818e4a9 102 */
mturner5 0:72480818e4a9 103 operator int() {
mturner5 0:72480818e4a9 104 return read();
mturner5 0:72480818e4a9 105 }
mturner5 0:72480818e4a9 106 #endif
mturner5 0:72480818e4a9 107
mturner5 0:72480818e4a9 108 protected:
mturner5 0:72480818e4a9 109 gpio_t gpio;
mturner5 0:72480818e4a9 110 };
mturner5 0:72480818e4a9 111
mturner5 0:72480818e4a9 112 } // namespace mbed
mturner5 0:72480818e4a9 113
mturner5 0:72480818e4a9 114 #endif