George Roussos / BLE_Temperature_Exercise

BLE Temperature Service Mobile and Ubiquitous Computing Module Birkbeck College

Dependencies:   DS1820

mbed/DigitalInOut.h@0:dd0fea342ad2, 2015-03-08 (annotated)

Committer:
gkroussos
Date:
Sun Mar 08 19:42:20 2015 +0000
Revision:
0:dd0fea342ad2
BLE Temperature Service ; Mobile and Ubiquitous Computing Module; Birkbeck College

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gkroussos 0:dd0fea342ad2 1 /* mbed Microcontroller Library
gkroussos 0:dd0fea342ad2 2 * Copyright (c) 2006-2013 ARM Limited
gkroussos 0:dd0fea342ad2 3 *
gkroussos 0:dd0fea342ad2 4 * Licensed under the Apache License, Version 2.0 (the "License");
gkroussos 0:dd0fea342ad2 5 * you may not use this file except in compliance with the License.
gkroussos 0:dd0fea342ad2 6 * You may obtain a copy of the License at
gkroussos 0:dd0fea342ad2 7 *
gkroussos 0:dd0fea342ad2 8 * http://www.apache.org/licenses/LICENSE-2.0
gkroussos 0:dd0fea342ad2 9 *
gkroussos 0:dd0fea342ad2 10 * Unless required by applicable law or agreed to in writing, software
gkroussos 0:dd0fea342ad2 11 * distributed under the License is distributed on an "AS IS" BASIS,
gkroussos 0:dd0fea342ad2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gkroussos 0:dd0fea342ad2 13 * See the License for the specific language governing permissions and
gkroussos 0:dd0fea342ad2 14 * limitations under the License.
gkroussos 0:dd0fea342ad2 15 */
gkroussos 0:dd0fea342ad2 16 #ifndef MBED_DIGITALINOUT_H
gkroussos 0:dd0fea342ad2 17 #define MBED_DIGITALINOUT_H
gkroussos 0:dd0fea342ad2 18
gkroussos 0:dd0fea342ad2 19 #include "platform.h"
gkroussos 0:dd0fea342ad2 20
gkroussos 0:dd0fea342ad2 21 #include "gpio_api.h"
gkroussos 0:dd0fea342ad2 22
gkroussos 0:dd0fea342ad2 23 namespace mbed {
gkroussos 0:dd0fea342ad2 24
gkroussos 0:dd0fea342ad2 25 /** A digital input/output, used for setting or reading a bi-directional pin
gkroussos 0:dd0fea342ad2 26 */
gkroussos 0:dd0fea342ad2 27 class DigitalInOut {
gkroussos 0:dd0fea342ad2 28
gkroussos 0:dd0fea342ad2 29 public:
gkroussos 0:dd0fea342ad2 30 /** Create a DigitalInOut connected to the specified pin
gkroussos 0:dd0fea342ad2 31 *
gkroussos 0:dd0fea342ad2 32 * @param pin DigitalInOut pin to connect to
gkroussos 0:dd0fea342ad2 33 */
gkroussos 0:dd0fea342ad2 34 DigitalInOut(PinName pin) {
gkroussos 0:dd0fea342ad2 35 gpio_init(&gpio, pin, PIN_INPUT);
gkroussos 0:dd0fea342ad2 36 }
gkroussos 0:dd0fea342ad2 37
gkroussos 0:dd0fea342ad2 38 /** Set the output, specified as 0 or 1 (int)
gkroussos 0:dd0fea342ad2 39 *
gkroussos 0:dd0fea342ad2 40 * @param value An integer specifying the pin output value,
gkroussos 0:dd0fea342ad2 41 * 0 for logical 0, 1 (or any other non-zero value) for logical 1
gkroussos 0:dd0fea342ad2 42 */
gkroussos 0:dd0fea342ad2 43 void write(int value) {
gkroussos 0:dd0fea342ad2 44 gpio_write(&gpio, value);
gkroussos 0:dd0fea342ad2 45 }
gkroussos 0:dd0fea342ad2 46
gkroussos 0:dd0fea342ad2 47 /** Return the output setting, represented as 0 or 1 (int)
gkroussos 0:dd0fea342ad2 48 *
gkroussos 0:dd0fea342ad2 49 * @returns
gkroussos 0:dd0fea342ad2 50 * an integer representing the output setting of the pin if it is an output,
gkroussos 0:dd0fea342ad2 51 * or read the input if set as an input
gkroussos 0:dd0fea342ad2 52 */
gkroussos 0:dd0fea342ad2 53 int read() {
gkroussos 0:dd0fea342ad2 54 return gpio_read(&gpio);
gkroussos 0:dd0fea342ad2 55 }
gkroussos 0:dd0fea342ad2 56
gkroussos 0:dd0fea342ad2 57 /** Set as an output
gkroussos 0:dd0fea342ad2 58 */
gkroussos 0:dd0fea342ad2 59 void output() {
gkroussos 0:dd0fea342ad2 60 gpio_dir(&gpio, PIN_OUTPUT);
gkroussos 0:dd0fea342ad2 61 }
gkroussos 0:dd0fea342ad2 62
gkroussos 0:dd0fea342ad2 63 /** Set as an input
gkroussos 0:dd0fea342ad2 64 */
gkroussos 0:dd0fea342ad2 65 void input() {
gkroussos 0:dd0fea342ad2 66 gpio_dir(&gpio, PIN_INPUT);
gkroussos 0:dd0fea342ad2 67 }
gkroussos 0:dd0fea342ad2 68
gkroussos 0:dd0fea342ad2 69 /** Set the input pin mode
gkroussos 0:dd0fea342ad2 70 *
gkroussos 0:dd0fea342ad2 71 * @param mode PullUp, PullDown, PullNone, OpenDrain
gkroussos 0:dd0fea342ad2 72 */
gkroussos 0:dd0fea342ad2 73 void mode(PinMode pull) {
gkroussos 0:dd0fea342ad2 74 gpio_mode(&gpio, pull);
gkroussos 0:dd0fea342ad2 75 }
gkroussos 0:dd0fea342ad2 76
gkroussos 0:dd0fea342ad2 77 #ifdef MBED_OPERATORS
gkroussos 0:dd0fea342ad2 78 /** A shorthand for write()
gkroussos 0:dd0fea342ad2 79 */
gkroussos 0:dd0fea342ad2 80 DigitalInOut& operator= (int value) {
gkroussos 0:dd0fea342ad2 81 write(value);
gkroussos 0:dd0fea342ad2 82 return *this;
gkroussos 0:dd0fea342ad2 83 }
gkroussos 0:dd0fea342ad2 84
gkroussos 0:dd0fea342ad2 85 DigitalInOut& operator= (DigitalInOut& rhs) {
gkroussos 0:dd0fea342ad2 86 write(rhs.read());
gkroussos 0:dd0fea342ad2 87 return *this;
gkroussos 0:dd0fea342ad2 88 }
gkroussos 0:dd0fea342ad2 89
gkroussos 0:dd0fea342ad2 90 /** A shorthand for read()
gkroussos 0:dd0fea342ad2 91 */
gkroussos 0:dd0fea342ad2 92 operator int() {
gkroussos 0:dd0fea342ad2 93 return read();
gkroussos 0:dd0fea342ad2 94 }
gkroussos 0:dd0fea342ad2 95 #endif
gkroussos 0:dd0fea342ad2 96
gkroussos 0:dd0fea342ad2 97 protected:
gkroussos 0:dd0fea342ad2 98 gpio_t gpio;
gkroussos 0:dd0fea342ad2 99 };
gkroussos 0:dd0fea342ad2 100
gkroussos 0:dd0fea342ad2 101 } // namespace mbed
gkroussos 0:dd0fea342ad2 102
gkroussos 0:dd0fea342ad2 103 #endif