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- #! /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 <foo.hex >fw_foo.h
- my $basename = $ARGV[0];
- die "no base name specified" unless $basename;
- while (<STDIN>) {
- # ':' <len> <addr> <type> <len-data> <crc> '\r'
- # len, type, crc are 2-char hex, addr is 4-char hex. type is 00 for
- # normal records, 01 for EOF
- my($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 <<"EOF";
- /*
- * ${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";
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