#! /usr/bin/perl -w # convert an Intel HEX file into a set of C records usable by the firmware # loading code in usb-serial.c (or others) # accepts the .hex file(s) on stdin, a basename (to name the initialized # array) as an argument, and prints the .h file to stdout. Typical usage: # perl ezusb_convert.pl foo fw_foo.h my $basename = $ARGV[0]; die "no base name specified" unless $basename; while () { # ':' '\r' # len, type, crc are 2-char hex, addr is 4-char hex. type is 00 for # normal records, 01 for EOF my($lenstring, $addrstring, $typestring, $reststring, $doscrap) = /^:(\w\w)(\w\w\w\w)(\w\w)(\w+)(\r?)$/; die "malformed line: $_" unless $reststring; last if $typestring eq '01'; my($len) = hex($lenstring); my($addr) = hex($addrstring); my(@bytes) = unpack("C*", pack("H".(2*$len), $reststring)); #pop(@bytes); # last byte is a CRC push(@records, [$addr, \@bytes]); } @sorted_records = sort { $a->[0] $b->[0] } @records; print /* * ${basename}_fw.h * * Generated from ${basename}.s by ezusb_convert.pl * This file is presumed to be under the same copyright as the source file * from which it was derived. */ EOF print "static const struct ezusb_hex_record ${basename}_firmware[] = {\n"; foreach $r (@sorted_records) { printf("{ 0x%04x,\t%d,\t{", $r->[0], scalar(@{$r->[1]})); print join(", ", map {sprintf('0x%02x', $_);} @{$r->[1]}); print "} },\n"; } print "{ 0xffff,\t0,\t{0x00} }\n"; print "};\n";
