mkmap

超小usb协议栈

#!/usr/bin/perl

($ME = $0) =~ s|.*/||;

$file = "maps/serial.map";
$line = 1;
open(PC, $file) || die("$!");
while(<PC>)
{
    if(/^\s*keycode\s+(\d+)\s*=\s*(\S+)/)
    {
	my($idx) = int($1);
	my($sym) = $2;
	if(defined($map{uc($sym)}))
	{
	    # print STDERR "$file:$line: warning: `$sym' redefined\n";
	}
	$map{uc($sym)} = $idx;
    }
    $line++;
}
close(PC);

$file = "maps/fixup.map";
$line = 1;
open(FIXUP, $file) || die("$!");
while(<FIXUP>)
{
    if(/^\s*keycode\s+(\d+)\s*=\s*/)
    {
	my($idx) = int($1);
	for $sym (split(/\s+/, $'))
        {
	    $map{uc($sym)} = $idx;
	}
    }
    $line++;
}
close(FIXUP);

$file = "maps/usb.map";
$line = 1;
open(USB, $file) || die("$!");
while(<USB>)
{
    if(/^\s*keycode\s+(\d+)\s*=\s*/)
    {
	my($idx) = int($1);
	for $sym (split(/\s+/, $'))
        {
	    my($val) = $map{uc($sym)};
	    $map[$idx] = $val;
	    if(!defined($val))
	    {
		print STDERR "$file:$line: warning: `$sym' undefined\n";
	    }
	    else
	    {
		last;
	    }
	}
    }
    $line++;
}
close(USB);

print "unsigned char usb_kbd_map[256] = \n{\n";
for($x = 0; $x < 32; $x++)
{
    if($x && !($x % 2))
    {
	print "\n";
    }
    print "  ";
    for($y = 0; $y < 8; $y++)
    {
	my($idx) = $x * 8 + $y;
	print sprintf("  0x%02x,",
		      int(defined($map[$idx]) ? $map[$idx]:0));
    }
    print "\n";
}
print "};\n";