George Roussos / BLE_Temperature

BLE temperature profile using digital DS1820 or analog LM35 sensors

Dependencies:   DS1820

mbed/DigitalInOut.h@0:637031152314, 2015-03-07 (annotated)

Committer:
gkroussos
Date:
Sat Mar 07 16:23:41 2015 +0000
Revision:
0:637031152314
Working version 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gkroussos 0:637031152314 1 /* mbed Microcontroller Library
gkroussos 0:637031152314 2 * Copyright (c) 2006-2013 ARM Limited
gkroussos 0:637031152314 3 *
gkroussos 0:637031152314 4 * Licensed under the Apache License, Version 2.0 (the "License");
gkroussos 0:637031152314 5 * you may not use this file except in compliance with the License.
gkroussos 0:637031152314 6 * You may obtain a copy of the License at
gkroussos 0:637031152314 7 *
gkroussos 0:637031152314 8 * http://www.apache.org/licenses/LICENSE-2.0
gkroussos 0:637031152314 9 *
gkroussos 0:637031152314 10 * Unless required by applicable law or agreed to in writing, software
gkroussos 0:637031152314 11 * distributed under the License is distributed on an "AS IS" BASIS,
gkroussos 0:637031152314 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gkroussos 0:637031152314 13 * See the License for the specific language governing permissions and
gkroussos 0:637031152314 14 * limitations under the License.
gkroussos 0:637031152314 15 */
gkroussos 0:637031152314 16 #ifndef MBED_DIGITALINOUT_H
gkroussos 0:637031152314 17 #define MBED_DIGITALINOUT_H
gkroussos 0:637031152314 18
gkroussos 0:637031152314 19 #include "platform.h"
gkroussos 0:637031152314 20
gkroussos 0:637031152314 21 #include "gpio_api.h"
gkroussos 0:637031152314 22
gkroussos 0:637031152314 23 namespace mbed {
gkroussos 0:637031152314 24
gkroussos 0:637031152314 25 /** A digital input/output, used for setting or reading a bi-directional pin
gkroussos 0:637031152314 26 */
gkroussos 0:637031152314 27 class DigitalInOut {
gkroussos 0:637031152314 28
gkroussos 0:637031152314 29 public:
gkroussos 0:637031152314 30 /** Create a DigitalInOut connected to the specified pin
gkroussos 0:637031152314 31 *
gkroussos 0:637031152314 32 * @param pin DigitalInOut pin to connect to
gkroussos 0:637031152314 33 */
gkroussos 0:637031152314 34 DigitalInOut(PinName pin) {
gkroussos 0:637031152314 35 gpio_init(&gpio, pin, PIN_INPUT);
gkroussos 0:637031152314 36 }
gkroussos 0:637031152314 37
gkroussos 0:637031152314 38 /** Set the output, specified as 0 or 1 (int)
gkroussos 0:637031152314 39 *
gkroussos 0:637031152314 40 * @param value An integer specifying the pin output value,
gkroussos 0:637031152314 41 * 0 for logical 0, 1 (or any other non-zero value) for logical 1
gkroussos 0:637031152314 42 */
gkroussos 0:637031152314 43 void write(int value) {
gkroussos 0:637031152314 44 gpio_write(&gpio, value);
gkroussos 0:637031152314 45 }
gkroussos 0:637031152314 46
gkroussos 0:637031152314 47 /** Return the output setting, represented as 0 or 1 (int)
gkroussos 0:637031152314 48 *
gkroussos 0:637031152314 49 * @returns
gkroussos 0:637031152314 50 * an integer representing the output setting of the pin if it is an output,
gkroussos 0:637031152314 51 * or read the input if set as an input
gkroussos 0:637031152314 52 */
gkroussos 0:637031152314 53 int read() {
gkroussos 0:637031152314 54 return gpio_read(&gpio);
gkroussos 0:637031152314 55 }
gkroussos 0:637031152314 56
gkroussos 0:637031152314 57 /** Set as an output
gkroussos 0:637031152314 58 */
gkroussos 0:637031152314 59 void output() {
gkroussos 0:637031152314 60 gpio_dir(&gpio, PIN_OUTPUT);
gkroussos 0:637031152314 61 }
gkroussos 0:637031152314 62
gkroussos 0:637031152314 63 /** Set as an input
gkroussos 0:637031152314 64 */
gkroussos 0:637031152314 65 void input() {
gkroussos 0:637031152314 66 gpio_dir(&gpio, PIN_INPUT);
gkroussos 0:637031152314 67 }
gkroussos 0:637031152314 68
gkroussos 0:637031152314 69 /** Set the input pin mode
gkroussos 0:637031152314 70 *
gkroussos 0:637031152314 71 * @param mode PullUp, PullDown, PullNone, OpenDrain
gkroussos 0:637031152314 72 */
gkroussos 0:637031152314 73 void mode(PinMode pull) {
gkroussos 0:637031152314 74 gpio_mode(&gpio, pull);
gkroussos 0:637031152314 75 }
gkroussos 0:637031152314 76
gkroussos 0:637031152314 77 #ifdef MBED_OPERATORS
gkroussos 0:637031152314 78 /** A shorthand for write()
gkroussos 0:637031152314 79 */
gkroussos 0:637031152314 80 DigitalInOut& operator= (int value) {
gkroussos 0:637031152314 81 write(value);
gkroussos 0:637031152314 82 return *this;
gkroussos 0:637031152314 83 }
gkroussos 0:637031152314 84
gkroussos 0:637031152314 85 DigitalInOut& operator= (DigitalInOut& rhs) {
gkroussos 0:637031152314 86 write(rhs.read());
gkroussos 0:637031152314 87 return *this;
gkroussos 0:637031152314 88 }
gkroussos 0:637031152314 89
gkroussos 0:637031152314 90 /** A shorthand for read()
gkroussos 0:637031152314 91 */
gkroussos 0:637031152314 92 operator int() {
gkroussos 0:637031152314 93 return read();
gkroussos 0:637031152314 94 }
gkroussos 0:637031152314 95 #endif
gkroussos 0:637031152314 96
gkroussos 0:637031152314 97 protected:
gkroussos 0:637031152314 98 gpio_t gpio;
gkroussos 0:637031152314 99 };
gkroussos 0:637031152314 100
gkroussos 0:637031152314 101 } // namespace mbed
gkroussos 0:637031152314 102
gkroussos 0:637031152314 103 #endif