{
int i;
char ch;
for (i = 0; i < CODE_LEN; i++) {
while ((ch = getch_knk()) < 0) {}
input = ch;
if (ch == 0) {
ledOn();
delay(100);
ledOff();
delay(100);
ledOn();
delay(100);
ledOff();
} else {
ledOn();
delay(100);
ledOff();
}
Serial.print((int)ch);
}
}
void ledOn(void)
{
digitalWrite(LED_PIN, HIGH);
}
void ledOff(void)
{
digitalWrite(LED_PIN, LOW);
}