Demo Team / mbed-IBooth-ETH

mbed Sensor node for Instrumented Booth over ETH.

Dependencies:   EthernetInterface-1 MaxbotixDriver Presence HTU21D_TEMP_HUMID_SENSOR_SAMPLE Resources SHARPIR mbed-rtos mbed-src WDT_K64F nsdl_lib

Fork of Trenton_Switch_LPC1768_ETH by Demo Team

Door_Trip/DoorTrip.cpp@40:b2e9bc654ca1, 2015-02-11 (annotated)

Committer:
andcor02
Date:
Wed Feb 11 12:36:45 2015 +0000
Revision:
40:b2e9bc654ca1
Working Set for long distance door

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andcor02 40:b2e9bc654ca1 1 /*
andcor02 40:b2e9bc654ca1 2 DoorTrip.cpp - DoorTrip sensor library
andcor02 40:b2e9bc654ca1 3 Developed by Andrea Corrado & Eric Gowland
andcor02 40:b2e9bc654ca1 4
andcor02 40:b2e9bc654ca1 5 Connect to a hardware device that is boolean present/not present. Such as PIR, Rangefinder or laser with appropriate signalling.
andcor02 40:b2e9bc654ca1 6 Also drives LED as DoorTrip indicator.
andcor02 40:b2e9bc654ca1 7 */
andcor02 40:b2e9bc654ca1 8
andcor02 40:b2e9bc654ca1 9
andcor02 40:b2e9bc654ca1 10 #include "mbed.h"
andcor02 40:b2e9bc654ca1 11 #include "DoorTrip.h"
andcor02 40:b2e9bc654ca1 12
andcor02 40:b2e9bc654ca1 13
andcor02 40:b2e9bc654ca1 14
andcor02 40:b2e9bc654ca1 15 DoorTrip::DoorTrip(PinName pin, bool true_on_rise, int debounce_time_ms):_myint(pin), _led1(LED1)
andcor02 40:b2e9bc654ca1 16 {
andcor02 40:b2e9bc654ca1 17 debounce_ms = debounce_time_ms;
andcor02 40:b2e9bc654ca1 18 _true_on_rise = true_on_rise;
andcor02 40:b2e9bc654ca1 19 // if(true_on_rise) {
andcor02 40:b2e9bc654ca1 20 // _myint.rise(this, &DoorTrip::DoorTrip_interrupt_off);
andcor02 40:b2e9bc654ca1 21 // _myint.fall(this, &DoorTrip::DoorTrip_interrupt_on);
andcor02 40:b2e9bc654ca1 22 // } else {
andcor02 40:b2e9bc654ca1 23 // _myint.rise(this, &DoorTrip::DoorTrip_interrupt_on);
andcor02 40:b2e9bc654ca1 24 // _myint.fall(this, &DoorTrip::DoorTrip_interrupt_off);
andcor02 40:b2e9bc654ca1 25 // }
andcor02 40:b2e9bc654ca1 26 _detection=false;
andcor02 40:b2e9bc654ca1 27 // debounce_timer.start();
andcor02 40:b2e9bc654ca1 28 _led1=1;
andcor02 40:b2e9bc654ca1 29
andcor02 40:b2e9bc654ca1 30 }
andcor02 40:b2e9bc654ca1 31
andcor02 40:b2e9bc654ca1 32 void DoorTrip::DoorTrip_interrupt_off(){
andcor02 40:b2e9bc654ca1 33 if(debounce_timer.read_ms() > debounce_ms) {
andcor02 40:b2e9bc654ca1 34 _detection=false;
andcor02 40:b2e9bc654ca1 35 _led1=1;
andcor02 40:b2e9bc654ca1 36 }
andcor02 40:b2e9bc654ca1 37 }
andcor02 40:b2e9bc654ca1 38
andcor02 40:b2e9bc654ca1 39 void DoorTrip::DoorTrip_interrupt_on() //Detection of motion.
andcor02 40:b2e9bc654ca1 40 {
andcor02 40:b2e9bc654ca1 41 //Always trigger detection..
andcor02 40:b2e9bc654ca1 42 _detection=true;
andcor02 40:b2e9bc654ca1 43 _led1=0;
andcor02 40:b2e9bc654ca1 44 debounce_timer.reset(); // Reset counter to 0...
andcor02 40:b2e9bc654ca1 45 }
andcor02 40:b2e9bc654ca1 46
andcor02 40:b2e9bc654ca1 47 bool DoorTrip::isPresent(){
andcor02 40:b2e9bc654ca1 48 // if (debounce_timer.read_ms() > debounce_ms) {
andcor02 40:b2e9bc654ca1 49 //Poll the pin and update value...
andcor02 40:b2e9bc654ca1 50 _detection = (_true_on_rise && _myint == 1) || (!_true_on_rise && _myint == 0);
andcor02 40:b2e9bc654ca1 51 if(_detection) _led1 = 0; else _led1 = 1;
andcor02 40:b2e9bc654ca1 52 // }
andcor02 40:b2e9bc654ca1 53 return !_detection;
andcor02 40:b2e9bc654ca1 54 }