src/convo.awk

   1 #
   2 # This script is useful for turning a UsbSnoop log file into something
   3 # more readable.  It assumes USB endpoints 0x05 and 0x82
   4 #
   5
   6 BEGIN {
   7         #  0 for down
   8         #  1 for up
   9         direction = 0;
  10
  11         # boolean
  12         docopy = 0;
  13 }
  14
  15 />>>/ {
  16         direction = 0;
  17         docopy = 0;
  18         print $0;
  19 }
  20
  21 /<<</ {
  22         direction = 1;
  23         docopy = 0;
  24         print $0;
  25 }
  26
  27 /endpoint 0x00000002/ {
  28         # only copy data going to the output endpoint
  29         if( direction == 0 ) {
  30                 docopy = 1;
  31                 printf "\nsep: 2\n";
  32         }
  33 }
  34
  35 /endpoint 0x00000005/ {
  36         # only copy data going to the output endpoint
  37         if( direction == 0 ) {
  38                 docopy = 1;
  39                 printf "\nsep: 5\n";
  40         }
  41 }
  42
  43 /endpoint 0x00000082/ {
  44         # only copy data coming from the input endpoint
  45         if( direction == 1 ) {
  46                 docopy = 1;
  47                 printf "rep: 82\n";
  48         }
  49 }
  50
  51 /^    [0-9AaBbCcDdEeFf]*: / {
  52         if( docopy ) {
  53                 print $0;
  54         }
  55 }
  56