#! /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";
e2d3f85365cb717d60e363171b39e6'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/net/ieee802154'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/net/ieee802154?id=161e6d44a5e2d3f85365cb717d60e363171b39e6'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/net/ieee802154?id=161e6d44a5e2d3f85365cb717d60e363171b39e6'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/net/ieee802154?id=161e6d44a5e2d3f85365cb717d60e363171b39e6'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/ieee802154'>
<input type='hidden' name='id' value='161e6d44a5e2d3f85365cb717d60e363171b39e6'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=161e6d44a5e2d3f85365cb717d60e363171b39e6'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?id=161e6d44a5e2d3f85365cb717d60e363171b39e6'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/ieee802154?id=161e6d44a5e2d3f85365cb717d60e363171b39e6'>ieee802154</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/ieee802154?id=161e6d44a5e2d3f85365cb717d60e363171b39e6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
dings/pinctrl/mt65xx.h?id=6e978b22efa1db9f6e71b24440b5f1d93e968ee3'>mt65xx.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/pinctrl/mt65xx.h?id=6e978b22efa1db9f6e71b24440b5f1d93e968ee3&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>