Index: src/ftdi.c
===================================================================
--- src/ftdi.c	(revision 3932)
+++ src/ftdi.c	(working copy)
@@ -1171,6 +1171,9 @@ static void ftdi_read_data_cb(struct lib
 
     actual_length = transfer->actual_length;
 
+    for (i = 0; i < actual_length; i++)
+        printf ("buf[%d] = 0x%X  ", i, ftdi->readbuffer[ftdi->readbuffer_offset + i]);
+    printf ("\n");
     if (actual_length > 2)
     {
         // skip FTDI status bytes.