- prevent buffer overflow when reading uart data

- uart data length updated to 256

git-svn-id: https://svn.code.sf.net/p/libusbjava/code/trunk@98 94ad28fe-ef68-46b1-9651-e7ae4fcf1c4c

blackbox/Usb/Mod/TargLog.otd

@@ -27,6 +27,7 @@ MODULE UsbTargLog;
 	BEGIN
 		done := USB.UART0_read(data, length);
 		IF done THEN
+			length := MIN(length, USB.MAX_UART_DATA_LENGTH );
 			FOR i := 0 TO length - 1 DO
 				logWriter.WriteChar(data[i])
 			END