George Roussos / BLE_Temperature_Exercise

BLE Temperature Service Mobile and Ubiquitous Computing Module Birkbeck College

Dependencies:   DS1820

mbed/DigitalOut.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_DIGITALOUT_H
gkroussos 0:dd0fea342ad2 17 #define MBED_DIGITALOUT_H
gkroussos 0:dd0fea342ad2 18
gkroussos 0:dd0fea342ad2 19 #include "platform.h"
gkroussos 0:dd0fea342ad2 20 #include "gpio_api.h"
gkroussos 0:dd0fea342ad2 21
gkroussos 0:dd0fea342ad2 22 namespace mbed {
gkroussos 0:dd0fea342ad2 23
gkroussos 0:dd0fea342ad2 24 /** A digital output, used for setting the state of a pin
gkroussos 0:dd0fea342ad2 25 *
gkroussos 0:dd0fea342ad2 26 * Example:
gkroussos 0:dd0fea342ad2 27 * @code
gkroussos 0:dd0fea342ad2 28 * // Toggle a LED
gkroussos 0:dd0fea342ad2 29 * #include "mbed.h"
gkroussos 0:dd0fea342ad2 30 *
gkroussos 0:dd0fea342ad2 31 * DigitalOut led(LED1);
gkroussos 0:dd0fea342ad2 32 *
gkroussos 0:dd0fea342ad2 33 * int main() {
gkroussos 0:dd0fea342ad2 34 * while(1) {
gkroussos 0:dd0fea342ad2 35 * led = !led;
gkroussos 0:dd0fea342ad2 36 * wait(0.2);
gkroussos 0:dd0fea342ad2 37 * }
gkroussos 0:dd0fea342ad2 38 * }
gkroussos 0:dd0fea342ad2 39 * @endcode
gkroussos 0:dd0fea342ad2 40 */
gkroussos 0:dd0fea342ad2 41 class DigitalOut {
gkroussos 0:dd0fea342ad2 42
gkroussos 0:dd0fea342ad2 43 public:
gkroussos 0:dd0fea342ad2 44 /** Create a DigitalOut connected to the specified pin
gkroussos 0:dd0fea342ad2 45 *
gkroussos 0:dd0fea342ad2 46 * @param pin DigitalOut pin to connect to
gkroussos 0:dd0fea342ad2 47 */
gkroussos 0:dd0fea342ad2 48 DigitalOut(PinName pin) {
gkroussos 0:dd0fea342ad2 49 gpio_init(&gpio, pin, PIN_OUTPUT);
gkroussos 0:dd0fea342ad2 50 }
gkroussos 0:dd0fea342ad2 51
gkroussos 0:dd0fea342ad2 52 /** Set the output, specified as 0 or 1 (int)
gkroussos 0:dd0fea342ad2 53 *
gkroussos 0:dd0fea342ad2 54 * @param value An integer specifying the pin output value,
gkroussos 0:dd0fea342ad2 55 * 0 for logical 0, 1 (or any other non-zero value) for logical 1
gkroussos 0:dd0fea342ad2 56 */
gkroussos 0:dd0fea342ad2 57 void write(int value) {
gkroussos 0:dd0fea342ad2 58 gpio_write(&gpio, value);
gkroussos 0:dd0fea342ad2 59 }
gkroussos 0:dd0fea342ad2 60
gkroussos 0:dd0fea342ad2 61 /** Return the output setting, represented as 0 or 1 (int)
gkroussos 0:dd0fea342ad2 62 *
gkroussos 0:dd0fea342ad2 63 * @returns
gkroussos 0:dd0fea342ad2 64 * an integer representing the output setting of the pin,
gkroussos 0:dd0fea342ad2 65 * 0 for logical 0, 1 for logical 1
gkroussos 0:dd0fea342ad2 66 */
gkroussos 0:dd0fea342ad2 67 int read() {
gkroussos 0:dd0fea342ad2 68 return gpio_read(&gpio);
gkroussos 0:dd0fea342ad2 69 }
gkroussos 0:dd0fea342ad2 70
gkroussos 0:dd0fea342ad2 71 #ifdef MBED_OPERATORS
gkroussos 0:dd0fea342ad2 72 /** A shorthand for write()
gkroussos 0:dd0fea342ad2 73 */
gkroussos 0:dd0fea342ad2 74 DigitalOut& operator= (int value) {
gkroussos 0:dd0fea342ad2 75 write(value);
gkroussos 0:dd0fea342ad2 76 return *this;
gkroussos 0:dd0fea342ad2 77 }
gkroussos 0:dd0fea342ad2 78
gkroussos 0:dd0fea342ad2 79 DigitalOut& operator= (DigitalOut& rhs) {
gkroussos 0:dd0fea342ad2 80 write(rhs.read());
gkroussos 0:dd0fea342ad2 81 return *this;
gkroussos 0:dd0fea342ad2 82 }
gkroussos 0:dd0fea342ad2 83
gkroussos 0:dd0fea342ad2 84 /** A shorthand for read()
gkroussos 0:dd0fea342ad2 85 */
gkroussos 0:dd0fea342ad2 86 operator int() {
gkroussos 0:dd0fea342ad2 87 return read();
gkroussos 0:dd0fea342ad2 88 }
gkroussos 0:dd0fea342ad2 89 #endif
gkroussos 0:dd0fea342ad2 90
gkroussos 0:dd0fea342ad2 91 protected:
gkroussos 0:dd0fea342ad2 92 gpio_t gpio;
gkroussos 0:dd0fea342ad2 93 };
gkroussos 0:dd0fea342ad2 94
gkroussos 0:dd0fea342ad2 95 } // namespace mbed
gkroussos 0:dd0fea342ad2 96
gkroussos 0:dd0fea342ad2 97 #endif