Jeremy Hammel / Mbed 2 deprecated ATT_Smart_Home

FRDM-K64F, Avnet M14A2A, Grove Shield, to create smart home system. In use with AT&Ts M2x & Flow.

Dependencies:   mbed FXOS8700CQ MODSERIAL

mbed/DigitalIn.h@85:0cf65ceb4492, 2019-04-29 (annotated)

Committer:
jwhammel
Date:
Mon Apr 29 04:24:38 2019 +0000
Revision:
85:0cf65ceb4492
Parent:
84:fc8c9b39723a 
We have added an alarm trigger that gets sent to AT&T Flow.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jwhammel 84:fc8c9b39723a 1 /* mbed Microcontroller Library
jwhammel 84:fc8c9b39723a 2 * Copyright (c) 2006-2013 ARM Limited
jwhammel 84:fc8c9b39723a 3 *
jwhammel 84:fc8c9b39723a 4 * Licensed under the Apache License, Version 2.0 (the "License");
jwhammel 84:fc8c9b39723a 5 * you may not use this file except in compliance with the License.
jwhammel 84:fc8c9b39723a 6 * You may obtain a copy of the License at
jwhammel 84:fc8c9b39723a 7 *
jwhammel 84:fc8c9b39723a 8 * http://www.apache.org/licenses/LICENSE-2.0
jwhammel 84:fc8c9b39723a 9 *
jwhammel 84:fc8c9b39723a 10 * Unless required by applicable law or agreed to in writing, software
jwhammel 84:fc8c9b39723a 11 * distributed under the License is distributed on an "AS IS" BASIS,
jwhammel 84:fc8c9b39723a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jwhammel 84:fc8c9b39723a 13 * See the License for the specific language governing permissions and
jwhammel 84:fc8c9b39723a 14 * limitations under the License.
jwhammel 84:fc8c9b39723a 15 */
jwhammel 84:fc8c9b39723a 16 #ifndef MBED_DIGITALIN_H
jwhammel 84:fc8c9b39723a 17 #define MBED_DIGITALIN_H
jwhammel 84:fc8c9b39723a 18
jwhammel 84:fc8c9b39723a 19 #include "platform.h"
jwhammel 84:fc8c9b39723a 20
jwhammel 84:fc8c9b39723a 21 #include "gpio_api.h"
jwhammel 84:fc8c9b39723a 22
jwhammel 84:fc8c9b39723a 23 namespace mbed {
jwhammel 84:fc8c9b39723a 24
jwhammel 84:fc8c9b39723a 25 /** A digital input, used for reading the state of a pin
jwhammel 84:fc8c9b39723a 26 *
jwhammel 84:fc8c9b39723a 27 * Example:
jwhammel 84:fc8c9b39723a 28 * @code
jwhammel 84:fc8c9b39723a 29 * // Flash an LED while a DigitalIn is true
jwhammel 84:fc8c9b39723a 30 *
jwhammel 84:fc8c9b39723a 31 * #include "mbed.h"
jwhammel 84:fc8c9b39723a 32 *
jwhammel 84:fc8c9b39723a 33 * DigitalIn enable(p5);
jwhammel 84:fc8c9b39723a 34 * DigitalOut led(LED1);
jwhammel 84:fc8c9b39723a 35 *
jwhammel 84:fc8c9b39723a 36 * int main() {
jwhammel 84:fc8c9b39723a 37 * while(1) {
jwhammel 84:fc8c9b39723a 38 * if(enable) {
jwhammel 84:fc8c9b39723a 39 * led = !led;
jwhammel 84:fc8c9b39723a 40 * }
jwhammel 84:fc8c9b39723a 41 * wait(0.25);
jwhammel 84:fc8c9b39723a 42 * }
jwhammel 84:fc8c9b39723a 43 * }
jwhammel 84:fc8c9b39723a 44 * @endcode
jwhammel 84:fc8c9b39723a 45 */
jwhammel 84:fc8c9b39723a 46 class DigitalIn {
jwhammel 84:fc8c9b39723a 47
jwhammel 84:fc8c9b39723a 48 public:
jwhammel 84:fc8c9b39723a 49 /** Create a DigitalIn connected to the specified pin
jwhammel 84:fc8c9b39723a 50 *
jwhammel 84:fc8c9b39723a 51 * @param pin DigitalIn pin to connect to
jwhammel 84:fc8c9b39723a 52 */
jwhammel 84:fc8c9b39723a 53 DigitalIn(PinName pin) : gpio() {
jwhammel 84:fc8c9b39723a 54 gpio_init_in(&gpio, pin);
jwhammel 84:fc8c9b39723a 55 }
jwhammel 84:fc8c9b39723a 56
jwhammel 84:fc8c9b39723a 57 /** Create a DigitalIn connected to the specified pin
jwhammel 84:fc8c9b39723a 58 *
jwhammel 84:fc8c9b39723a 59 * @param pin DigitalIn pin to connect to
jwhammel 84:fc8c9b39723a 60 * @param mode the initial mode of the pin
jwhammel 84:fc8c9b39723a 61 */
jwhammel 84:fc8c9b39723a 62 DigitalIn(PinName pin, PinMode mode) : gpio() {
jwhammel 84:fc8c9b39723a 63 gpio_init_in_ex(&gpio, pin, mode);
jwhammel 84:fc8c9b39723a 64 }
jwhammel 84:fc8c9b39723a 65 /** Read the input, represented as 0 or 1 (int)
jwhammel 84:fc8c9b39723a 66 *
jwhammel 84:fc8c9b39723a 67 * @returns
jwhammel 84:fc8c9b39723a 68 * An integer representing the state of the input pin,
jwhammel 84:fc8c9b39723a 69 * 0 for logical 0, 1 for logical 1
jwhammel 84:fc8c9b39723a 70 */
jwhammel 84:fc8c9b39723a 71 int read() {
jwhammel 84:fc8c9b39723a 72 return gpio_read(&gpio);
jwhammel 84:fc8c9b39723a 73 }
jwhammel 84:fc8c9b39723a 74
jwhammel 84:fc8c9b39723a 75 /** Set the input pin mode
jwhammel 84:fc8c9b39723a 76 *
jwhammel 84:fc8c9b39723a 77 * @param mode PullUp, PullDown, PullNone, OpenDrain
jwhammel 84:fc8c9b39723a 78 */
jwhammel 84:fc8c9b39723a 79 void mode(PinMode pull) {
jwhammel 84:fc8c9b39723a 80 gpio_mode(&gpio, pull);
jwhammel 84:fc8c9b39723a 81 }
jwhammel 84:fc8c9b39723a 82
jwhammel 84:fc8c9b39723a 83 #ifdef MBED_OPERATORS
jwhammel 84:fc8c9b39723a 84 /** An operator shorthand for read()
jwhammel 84:fc8c9b39723a 85 */
jwhammel 84:fc8c9b39723a 86 operator int() {
jwhammel 84:fc8c9b39723a 87 return read();
jwhammel 84:fc8c9b39723a 88 }
jwhammel 84:fc8c9b39723a 89 #endif
jwhammel 84:fc8c9b39723a 90
jwhammel 84:fc8c9b39723a 91 protected:
jwhammel 84:fc8c9b39723a 92 gpio_t gpio;
jwhammel 84:fc8c9b39723a 93 };
jwhammel 84:fc8c9b39723a 94
jwhammel 84:fc8c9b39723a 95 } // namespace mbed
jwhammel 84:fc8c9b39723a 96
jwhammel 84:fc8c9b39723a 97 #endif
jwhammel 84:fc8c9b39723a 98