diff --git a/blackbox/Usb/Mod/BDIDll.otd b/blackbox/Usb/Mod/BDIDll.otd
index ec27734..c635298 100644
--- a/blackbox/Usb/Mod/BDIDll.otd
+++ b/blackbox/Usb/Mod/BDIDll.otd
@@ -3,7 +3,7 @@ MODULE UsbBDIDll ["BDI.dll"];
 
 	CONST 
 		MAX_NOF_LONGS_FILL* = 84;
-		MAX_UART_DATA_LENGTH* = 128; 
+		MAX_UART_DATA_LENGTH* = 256; 
 
 	TYPE 
 		PtrSTR* = POINTER TO ARRAY [untagged] OF SHORTCHAR;
@@ -172,4 +172,4 @@ MODULE UsbBDIDll ["BDI.dll"];
 	PROCEDURE UART0_write* (data: (* ARRAY OF SHORTCHAR *) INTEGER;  length: INTEGER): BOOL;
 	(*END UART0_write;  *)
 
-END UsbBDIDll.
\ No newline at end of file
+END UsbBDIDll.
diff --git a/blackbox/Usb/Mod/TargLog.otd b/blackbox/Usb/Mod/TargLog.otd
index 853ebda..00a1329 100644
--- a/blackbox/Usb/Mod/TargLog.otd
+++ b/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