Arduino Uno CH340 kod gönderilmiyor

collect2.exe: error: ld returned 1 exit status.

exit status 1

Compilation error: exit status 1

#include <IRremote.hpp>

int RECV_PIN = 2;
IRrecv irrecv(RECV_PIN);
decode_results results;

#define CH1 0xFFA25D.
#define CH 0xFF629D.
#define CH2 0xFFE21D.
#define PREV 0xFF22DD.
#define NEXT 0xFF02FD.
#define PLAYPAUSE 0xFFC23D.
#define VOL1 0xFFE01F.
#define VOL2 0xFFA857.
#define EQ 0xFF906F.
#define BUTON0 0xFF6897.
#define BUTON100 0xFF9867.
#define BUTON200 0xFFB04F.
#define BUTON1 0xFF30CF.
#define BUTON2 0xFF18E7.
#define BUTON3 0xFF7A85.
#define BUTON4 0xFF10EF.
#define BUTON5 0xFF38C7.
#define BUTON6 0xFF5AA5.
#define BUTON7 0xFF42BD.
#define BUTON8 0xFF4AB5.
#define BUTON9 0xFF52AD.

int led1 = 8;
int led2 = 9;
int led3 = 10;
int led4 = 11;

void setup()
{
 pinMode(led1, OUTPUT);
 pinMode(led2, OUTPUT);
 pinMode(led3, OUTPUT);
 pinMode(led4, OUTPUT);
 Serial.begin(9600);
 irrecv.enableIRIn();
}
void loop() {

 if (irrecv.decode(&results))
 {
 if (results.value == BUTON1)
 {
 digitalWrite(led1, !digitalRead(led1));
 if (digitalRead(led1) == HIGH)
 {
 Serial.println("LED 1 yandi");
 }
 else.
 {
 Serial.println("LED 1 sondu");
 }
 }
 if (results.value == BUTON2)
 {
 digitalWrite(led2, !digitalRead(led2));
 if (digitalRead(led2) == HIGH)
 {
 Serial.println("LED 2 yandi");
 }
 else.
 {
 Serial.println("LED 2 sondu");
 }
 }
 if (results.value == BUTON3)
 {
 digitalWrite(led3, !digitalRead(led3));
 if (digitalRead(led3) == HIGH)
 {
 Serial.println("LED 3 yandi");
 }
 else.
 {
 Serial.println("LED 3 sondu");
 }
 }
 if (results.value == BUTON4)
 {
 digitalWrite(led4, !digitalRead(led4));
 if (digitalRead(led4) == HIGH)
 {
 Serial.println("LED 4 yandi");
 }
 else.
 {
 Serial.println("LED 4 sondu");
 }
 }
 if (results.value == BUTON0)
 {
 digitalWrite(led1, LOW);
 digitalWrite(led2, LOW);
 digitalWrite(led3, LOW);
 digitalWrite(led4, LOW);
 Serial.println("Tum LED'ler sondu");
 }
 if (results.value == BUTON5)
 {
 digitalWrite(led1, HIGH);
 digitalWrite(led2, HIGH);
 digitalWrite(led3, HIGH);
 digitalWrite(led4, HIGH);
 Serial.println("Tum LED'ler yandi");
 }
 irrecv.resume();
 }
}