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#include <RCSwitch.h>
#include <LiquidCrystal.h>
RCSwitch sender = RCSwitch( );
LiquidCrystal lcd = LiquidCrystal(8 ,9 ,4 ,5 ,6 ,7);
#define CodeLength 24
#define SendPin A5
#define KEY_COUNT 4
int keyLimits [KEY_COUNT+1] = {100, 330, 580, 900, 1023};
int keyNames [KEY_COUNT+1] = {0, 1, 2, 3, 4};
const unsigned long OnCode[2] = {1381717, 1394005};
const unsigned long OffCode[2] = {1381716, 1394004};
void setup() {
lcd.begin(16,2);
Serial.begin(9600);
Serial.println("RC receiver");
mySwitch.enableReceive(0); // Receiver on interrupt 0 => that is pin #2
pinMode(SendPin, OUTPUT);
sender.enableTransmit(SendPin);
sender.setProtocol(1);
pinMode(13, OUTPUT);
}
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];
}
void loop() {
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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