--- branches/linux-serial/serial1.cpp	2007/02/05 07:16:59	51
+++ branches/linux-serial/serial1.cpp	2007/02/05 07:22:10	52
@@ -28,16 +28,22 @@
 
 }
 
-int main()
+int main(int argc, char* argv[])
 {
 	int count = 0;
 	unsigned char c,input;
 	CH7Serial serial;
+
+	if (argc != 2)
+	{
+		std::cout << "Usage: " << argv[0] << "<serial port>" << std::endl;
+		exit(0);
+	}
 	
 	try 
 	{
 
-		serial.open("COM8", 9600);
+		serial.open(argv[1], 9600);
 		// tænd lysdiode S3 / RB1
 		std::cout << "--------------------------------------" << std::endl;
 		serial.writeTarget(1,1);