making final changes to virt_quad. It workes now!

quad/src/virt_quad/hw_impl_unix_uart.c

@@ -41,17 +41,18 @@ int unix_uart_reset(struct UARTDriver *self) {
 		err(-1, "listen");
 	}
 
+	printf("Waiting for backend to connect\n");
+
 	while (1) {
 		client = accept(backendSocket, NULL, NULL);
 		if (client > 0)
 			break;
 	}
-	printf(" accpet() returned with %d\n", client);
+	printf("backend connection found on socket %d.\n", client);
   return 0;
 }
 
 int unix_uart_write(struct UARTDriver *self, unsigned char c) {
-	printf("sending [%c]\n", c);
 	send(client, &c, 1, MSG_DONTWAIT);
 	return 0;
 }
@@ -62,10 +63,8 @@ int unix_uart_read(struct UARTDriver *self, unsigned char *c) {
 	
 	if (bytes_available > 0) {
 		int bytes = recv(client, c, 1, 0);
-		printf("read in %d byte [%X]\n", bytes, *c);
 		return 0;
 	} else {
 		return 1;
 	}
-	
 }
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