George Roussos / BLE_Temperature

BLE temperature profile using digital DS1820 or analog LM35 sensors

Dependencies:   DS1820

mbed/DigitalIn.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_DIGITALIN_H
gkroussos 0:637031152314 17 #define MBED_DIGITALIN_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, used for reading the state of a pin
gkroussos 0:637031152314 26 *
gkroussos 0:637031152314 27 * Example:
gkroussos 0:637031152314 28 * @code
gkroussos 0:637031152314 29 * // Flash an LED while a DigitalIn is true
gkroussos 0:637031152314 30 *
gkroussos 0:637031152314 31 * #include "mbed.h"
gkroussos 0:637031152314 32 *
gkroussos 0:637031152314 33 * DigitalIn enable(p5);
gkroussos 0:637031152314 34 * DigitalOut led(LED1);
gkroussos 0:637031152314 35 *
gkroussos 0:637031152314 36 * int main() {
gkroussos 0:637031152314 37 * while(1) {
gkroussos 0:637031152314 38 * if(enable) {
gkroussos 0:637031152314 39 * led = !led;
gkroussos 0:637031152314 40 * }
gkroussos 0:637031152314 41 * wait(0.25);
gkroussos 0:637031152314 42 * }
gkroussos 0:637031152314 43 * }
gkroussos 0:637031152314 44 * @endcode
gkroussos 0:637031152314 45 */
gkroussos 0:637031152314 46 class DigitalIn {
gkroussos 0:637031152314 47
gkroussos 0:637031152314 48 public:
gkroussos 0:637031152314 49 /** Create a DigitalIn connected to the specified pin
gkroussos 0:637031152314 50 *
gkroussos 0:637031152314 51 * @param pin DigitalIn pin to connect to
gkroussos 0:637031152314 52 * @param name (optional) A string to identify the object
gkroussos 0:637031152314 53 */
gkroussos 0:637031152314 54 DigitalIn(PinName pin) {
gkroussos 0:637031152314 55 gpio_init(&gpio, pin, PIN_INPUT);
gkroussos 0:637031152314 56 }
gkroussos 0:637031152314 57
gkroussos 0:637031152314 58 /** Read the input, represented as 0 or 1 (int)
gkroussos 0:637031152314 59 *
gkroussos 0:637031152314 60 * @returns
gkroussos 0:637031152314 61 * An integer representing the state of the input pin,
gkroussos 0:637031152314 62 * 0 for logical 0, 1 for logical 1
gkroussos 0:637031152314 63 */
gkroussos 0:637031152314 64 int read() {
gkroussos 0:637031152314 65 return gpio_read(&gpio);
gkroussos 0:637031152314 66 }
gkroussos 0:637031152314 67
gkroussos 0:637031152314 68 /** Set the input pin mode
gkroussos 0:637031152314 69 *
gkroussos 0:637031152314 70 * @param mode PullUp, PullDown, PullNone, OpenDrain
gkroussos 0:637031152314 71 */
gkroussos 0:637031152314 72 void mode(PinMode pull) {
gkroussos 0:637031152314 73 gpio_mode(&gpio, pull);
gkroussos 0:637031152314 74 }
gkroussos 0:637031152314 75
gkroussos 0:637031152314 76 #ifdef MBED_OPERATORS
gkroussos 0:637031152314 77 /** An operator shorthand for read()
gkroussos 0:637031152314 78 */
gkroussos 0:637031152314 79 operator int() {
gkroussos 0:637031152314 80 return read();
gkroussos 0:637031152314 81 }
gkroussos 0:637031152314 82 #endif
gkroussos 0:637031152314 83
gkroussos 0:637031152314 84 protected:
gkroussos 0:637031152314 85 gpio_t gpio;
gkroussos 0:637031152314 86 };
gkroussos 0:637031152314 87
gkroussos 0:637031152314 88 } // namespace mbed
gkroussos 0:637031152314 89
gkroussos 0:637031152314 90 #endif