diff --git a/src/main.c b/src/main.c
index bde47a1..0452906 100644
--- a/src/main.c
+++ b/src/main.c
@@ -108,6 +108,8 @@ int main()
 
 	//time - 36 bits result
 
+	uint16_t receivedData;
+
   alt_putstr("KCC Project!\n");
 
   // register the timer irq to be serviced by handle_timer_interrupt() function
@@ -115,7 +117,10 @@ int main()
 
   while (1)
   {
-	  SendLong(time);
+	  receivedData=ReceiveData();
+	  if(receivedData==66){
+		  SendLong(time);
+	  }
 
 	  PIO_SetBit(LED_PORT, LED_0);
 	  delayMs(400);
diff --git a/src/uart.c b/src/uart.c
index 985a98c..2a42e70 100644
--- a/src/uart.c
+++ b/src/uart.c
@@ -15,6 +15,11 @@ static void sendByte(char byte)
 	IOWR_ALT_UP_RS232_DATA(UART_0_BASE, byte);
 }
 
+uint16_t ReceiveData(USART_TypeDef* USARTx){
+
+	IORD_ALT_UP_RS232_DATA(UART_0_BASE);
+}
+
 void sendStrig(char* s)
 {
 	while(*s)