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author | etobi <git@e-tobi.net> | 2013-09-03 09:48:41 +0200 |
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committer | etobi <git@e-tobi.net> | 2013-09-03 09:48:41 +0200 |
commit | ab959d7b4194715870128e616b8e29d4a101e488 (patch) | |
tree | 61a746231d30817be73416a7d67763fd677a1042 /util/scan/section_generate.pl | |
parent | 6b350466c4902c5b137e0efaf1d189128a7f18f5 (diff) | |
download | linux-dvb-apps-ab959d7b4194715870128e616b8e29d4a101e488.tar.gz |
Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207
Diffstat (limited to 'util/scan/section_generate.pl')
-rw-r--r-- | util/scan/section_generate.pl | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/util/scan/section_generate.pl b/util/scan/section_generate.pl new file mode 100644 index 0000000..2080dbb --- /dev/null +++ b/util/scan/section_generate.pl @@ -0,0 +1,92 @@ +#!/usr/bin/perl -w + +use strict; + +die "no section perl file given" unless @ARGV; + +my $h = require($ARGV[0]); + +our $basename; +our $debug = $ARGV[1]; + +($basename) = $ARGV[0] =~ /([a-zA-Z0-9_\-_]+).pl/; + +local *H; +local *C; + +h_header(); +c_header(); + +foreach (sort keys %{$h}) { + foreach my $item (@{$h->{$_}}) { + if ($_ eq "descriptors") { + printf H ("#define %s_ID 0x%02X\n",uc($item->{name}),$item->{id}); + } + + do_it ($item->{name},$item->{elements}); + } +} + +h_footer(); +c_footer(); + +sub type +{ + if ($_[0] > 16) { + return "u32"; + } elsif ($_[0] > 8) { + return "u16"; + } else { + return "u8 "; + } +} + +sub do_it +{ + my ($name,$val) = @_; + print H "struct $name {\n"; + + print C <<EOL; +struct $name read_$name(const u8 *b) +{ + struct $name v; +EOL + my $offs = 0; + for (my $i = 0; $i < scalar @{$val}; $i+=2) { + printf H ("\t\t%s %-25s :%2d;\n",type($val->[$i+1]),$val->[$i],$val->[$i+1]); + + printf C ("\tv.%-25s = getBits(b,%3d,%2d);\n",$val->[$i],$offs,$val->[$i+1]); + printf C ("\tfprintf(stderr,\" %s = %%x %%d\\n\",v.%s,v.%s);\n",$val->[$i],$val->[$i],$val->[$i]) if $debug; + $offs += $val->[$i+1]; + } + print H "} PACKED;\n"; + print H "struct $name read_$name(const u8 *);\n\n"; + + print C "\treturn v;\n}\n\n" +} + +sub h_header +{ + open(H,">$basename.h"); + print H "#ifndef __".uc($basename)."_H_\n"; + print H "#define __".uc($basename)."_H_\n\n"; + print H "#include \"section.h\"\n\n"; +} + +sub c_header +{ + open(C,">$basename.c"); + print C "#include \"$basename.h\"\n\n"; +} + + +sub c_footer +{ + close(C); +} + +sub h_footer +{ + print H "#endif\n"; + close(H); +} |