Subversion Repositories rs232_syscon

#!/usr/bin/perl -w

print "\nMotorola S-record to rs232_syscon command translator.";

print "\nFilename to translate? ";

$filename = <STDIN>;

chomp ($filename);

print "\nReading file \"$filename\"\n";

open (SRECORDFILE,$filename) ||

  die "\nCan't open \"$filename\" for input.\n";

# Handle getting a new extension for the output filename

$i = index($filename,".");

   # If no period is found, simply add the extension to the end.

if ($i < 0) { $i = length($filename); }

substr($filename,$i,4) = ".232";

# Open the output file

open (OUTPUTFILE,">".$filename) ||

  die "\nCan't open \"$filename\" for output.\n";

$line_number = 0;

while ($line = <SRECORDFILE>) {

  # increment the line number counter

  $line_number += 1;

  # ignore lines that begin with semicolon

  if (index($line,";")==0) { next; }

  # Get the position of the start of data

  # (Usually there is a colon at the very start of the line...)

  $i = index($line,":");

  if ($i < 0) {

    print "\nError!  No colon found on line: $line_number";

    last;

    }

  # Get the length of the line

  $line_length = hex(substr($line,($i+1),2));

  if ($line_length == 0) {

    print "0";

    next;

    }

  # Extract the starting address

  $line_starting_address = hex(substr($line,($i+3),4));

  # Extract the data substring - length is in units of bytes,

  # but each character is 1/2 byte, so multiply by 2.

  $line_data = substr($line,($i+9),($line_length*2));

  # Send data characters to output file as rs232_syscon commands

  # increment by 2 in order to send 1 byte per command...

  for ($i=0;$i<($line_length*2);$i+=2) {

    $j = $line_starting_address + $i/2;

    $j = sprintf "%lx",$j;  # Convert address to hexadecimal

    $byte = substr($line_data,$i,2);

    print OUTPUTFILE "w $j $byte\n";

  }

# Verbose debug information...

#  print "\nline $line_number: starts at $line_starting_address ";

#  print "length is $line_length ";

#  print "data is $line_data ";

  # Print a little period for each line processed...

  # (to complement the 0 printed for zero length lines encountered.)

  print ".";

  }

#Close all open files

close (SRECORDFILE);

close (OUTPUTFILE);