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#include <RCSwitch.h>
#include <LiquidCrystal.h>
RCSwitch sender = RCSwitch( );
LiquidCrystal lcd = LiquidCrystal(8 ,9 ,4 ,5 ,6 ,7);
//Sender
#define CodeLength 24
#define SendPin A5
const unsigned long OnCode[2] = {1381717, 1394005};
const unsigned long OffCode[2] = {1381716, 1394004};
//Sonic sensor
#define trigPin A2
#define echoPin A1
//Buttons
#define KEY_COUNT 4
int keyLimits [KEY_COUNT+1] = {100, 330, 580, 900, 1023};
int keyNames [KEY_COUNT+1] = {0, 1, 2, 3, 4};
//Timer
unsigned long timeLastSeen = 0;
bool sonicPriority = false;
/*
*Camil Staps, s4498062
*Robin Immel, s4372891
*Arduino:
* 3.3V
*Sender connected to
* Data : A5
*Ultrasonic connected to:
* Echo : A1
* Trig : A2
*
*LCD shield connected to:
* Arduino
*/
void setup() {
lcd.begin(16,2);
pinMode(SendPin, OUTPUT);
sender.enableTransmit(SendPin);
sender.setProtocol(1);
pinMode(trigPin, OUTPUT) ;
pinMode(echoPin, INPUT) ;
}
void setSocket(int id, bool on) {
sender.send((on ? OnCode : OffCode)[id], CodeLength);
lcd.setCursor(0, id);
lcd.print("Socket ");
lcd.print(id);
lcd.print(on ? " on " : " off");
}
void button_left(){
setSocket(0, true);
setSocket(1, false);
}
void button_right(){
setSocket(0, false);
setSocket(1, true);
}
void button_up(){
setSocket(0, true);
setSocket(1, true);
}
void button_down(){
setSocket(0, false);
setSocket(1, false);
}
int check_button(){
int val = analogRead(A0);
for (int i = 0; i <= KEY_COUNT; i++)
if (val < keyLimits[i])
return keyNames[i];
}
bool object_close(){
digitalWrite(trigPin, HIGH) ;
delayMicroseconds(10);
digitalWrite(trigPin, LOW) ;
int duration = pulseIn(echoPin, HIGH) ;
return (((duration / 2) / 29) < 100);
}
void loop() {
bool trigger = object_close();
//Als er iets gezien wordt in de laatste 5 seconde, gaan de lampen aan.
if(trigger || millis() < timeLastSeen + 5000){
setSocket(0,true);
setSocket(1,true);
if (trigger)
timeLastSeen = millis();
sonicPriority = true;
}
//Anders als er ooit iets gezien is, maar niet de laatste 5 seconden gaan de stopcontacten uit.
else if (sonicPriority) {
setSocket(0, false);
setSocket(1, false);
sonicPriority = false;
}
//Anders kan men de stopcontacten aan/uit zetten met de knopjes.
else {
switch (check_button()) {
case 0: button_right(); break;
case 1: button_up(); break;
case 2: button_down(); break;
case 3: button_left(); break;
}
}
}
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