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lcd.pl
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#!/usr/bin/perl
# lcd.pl -- part of redsea RDS decoder (c) OH2-250
#
# decodes session & presentation layers & displays GUI
#
# Page numbers refer to IEC 62106, Edition 2
#
#
$| ++;
use 5.010;
use warnings;
use utf8;
use IO::Select;
my $input = IO::Select->new(\*STDIN);
use Gtk2 qw( -init );
use Encode 'decode';
use open ':utf8';
binmode(STDOUT, ":utf8");
# Booleans
use constant FALSE => 0;
use constant TRUE => 1;
our $dbg = TRUE;
our $theme = "black";
# Some terminal control chars
use constant RESET => "\x1B[0m";
use constant REVERSE => "\x1B[7m";
&initdata;
&initgui;
Glib::Timeout->add(300, \&update_displays);
Gtk2->main;
exit(0);
# 3 times a second
sub update_displays {
if (++$upd == 10) {
$qty = int(($bytes // 0) / 1187.5 / 3 * 5 + .5);
$qty = 5 if ($qty > 5);
$bytes = 0;
$upd = 0;
&updateStatusRow if (defined $pi);
}
# RT scroll
if (defined $pi && exists $stn{$pi}{'RTscrollbuf'}) {
if (length($stn{$pi}{'RTscrollbuf'}) > 32) {
$RTscrollptr ++;
$RTscrollptr = 0 if ($RTscrollptr >= length($stn{$pi}{'RTscrollbuf'}));
$markup = substr($stn{$pi}{'RTbuf'},$RTscrollptr). " ";
$markup .= substr($stn{$pi}{'RTbuf'},0,$RTscrollptr-5);
} else {
$markup = $stn{$pi}{'RTscrollbuf'}. " " x (32-length($stn{$pi}{'RTscrollbuf'}));
}
$markup =~ s/&/&/g;
$markup =~ s/</</g;
$markup =~ s/↵/ /g;
$RTlabel->set_markup("<span font='Mono 15px' foreground='$themef{fg}'>$markup</span>");
}
# Read from data-link layer
while ($input->can_read(0) && read(STDIN, $dlen, 1)) {
given (ord($dlen)) {
when ([1..4]) {
read(STDIN, $dta, 2*ord($dlen));
decodegroup(unpack("S*", $dta));
}
when (0) {
$insync = FALSE;
&updateStatusRow if (defined $pi);
}
when (255) {
$insync = TRUE;
}
}
}
return TRUE;
}
sub decodegroup {
return if ($_[0] == 0);
my ($gtype, $fullgtype);
$bytes += @_ * 26;
$ednewpi = ($newpi // 0);
$newpi = $_[0];
if (@_ >= 2) {
$gtype = bits($_[1], 11, 5);
$fullgtype = bits($_[1], 12, 4) . ( bits($_[1], 11, 1) ? "B" : "A" );
say (@_ == 4 ? "Group $fullgtype: $groupname[$gtype]" : "(partial group $fullgtype, ".scalar(@_)." blocks)") if ($dbg);
} else {
say "(PI only)" if ($dbg);
}
say " PI: ".sprintf("%04X",$newpi) .((exists($stn{$newpi}{'chname'})) ? " ".$stn{$newpi}{'chname'} : "") if ($dbg);
# PI is repeated -> confirmed
if ($newpi == $ednewpi) {
# PI has changed from last confirmed
if ($newpi != ($pi // 0)) {
$pi = $newpi;
&screenReset();
$PIlabel->set_markup("<span font='mono 12px' foreground='$themef{fg}'>".sprintf("%04X",$pi)."</span>");
if (exists $stn{$pi}{'presetPSbuf'}) {
($stn{$pi}{'PSmarkup'} = $stn{$pi}{'presetPSbuf'}) =~ s/&/&/g;
$stn{$pi}{'PSmarkup'} =~ s/</</g;
$PSlabel->set_markup("<span font='Mono Bold 25px' foreground='$themef{fg}'>$stn{$pi}{'PSmarkup'}</span>");
}
}
} elsif ($newpi != ($pi // 0)) {
say " (repeat will confirm PI change)\n" if ($dbg);
return;
}
# Nothing more to be done for PI only
if (@_ == 1) {
print "\n" if ($dbg);
return;
}
# Traffic Program (TP)
$stn{$pi}{'TP'} = bits($_[1], 10, 1);
say " TP: $TPtext[$stn{$pi}{'TP'}]" if ($dbg);
&updateStatusRow();
# Program Type (PTY)
$stn{$pi}{'PTY'} = bits($_[1], 5, 5);
if (exists $stn{$pi}{'ECC'} && ($countryISO[$stn{$pi}{'ECC'}][$stn{$pi}{'CC'}] // "") =~ /us|ca|mx/) {
$stn{$pi}{'PTYmarkup'} = $ptynamesUS[$stn{$pi}{'PTY'}];
say " PTY: ", sprintf("%02d",$stn{$pi}{'PTY'})." $ptynamesUS[$stn{$pi}{'PTY'}]" if ($dbg);
} else {
$stn{$pi}{'PTYmarkup'} = $ptynames[$stn{$pi}{'PTY'}];
say " PTY: ", sprintf("%02d",$stn{$pi}{'PTY'})." $ptynames[$stn{$pi}{'PTY'}]" if ($dbg);
}
$stn{$pi}{'PTYmarkup'} =~ s/&/&/g;
$PTYlabel->set_markup("<span font='Mono 12px' foreground='$themef{fg}'>$stn{$pi}{'PTYmarkup'}</span>");
# Data specific to the group type
given ($gtype) {
when (0) { &Group0A (@_); }
when (1) { &Group0B (@_); }
when (2) { &Group1A (@_); }
when (3) { &Group1B (@_); }
when (4) { &Group2A (@_); }
when (5) { &Group2B (@_); }
when (6) { exists ($stn{$pi}{'ODAaid'}{6}) ? &ODAGroup(6, @_) : &Group3A (@_); }
when (8) { &Group4A (@_); }
when (10) { exists ($stn{$pi}{'ODAaid'}{10}) ? &ODAGroup(10, @_) : &Group5A (@_); }
when (11) { exists ($stn{$pi}{'ODAaid'}{11}) ? &ODAGroup(11, @_) : &Group5B (@_); }
when (12) { exists ($stn{$pi}{'ODAaid'}{12}) ? &ODAGroup(12, @_) : &Group6A (@_); }
when (13) { exists ($stn{$pi}{'ODAaid'}{13}) ? &ODAGroup(13, @_) : &Group6B (@_); }
when (14) { exists ($stn{$pi}{'ODAaid'}{14}) ? &ODAGroup(14, @_) : &Group7A (@_); }
when (18) { exists ($stn{$pi}{'ODAaid'}{18}) ? &ODAGroup(18, @_) : &Group9A (@_); }
when (20) { &Group10A(@_); }
when (26) { exists ($stn{$pi}{'ODAaid'}{26}) ? &ODAGroup(26, @_) : &Group13A(@_); }
when (28) { &Group14A(@_); }
when (29) { &Group14B(@_); }
when (31) { &Group15B(@_); }
default { &ODAGroup($gtype, @_); }
}
print("\n") if ($dbg);
}
# 0A: Basic tuning and switching information
sub Group0A {
# DI
my $DI_adr = 3 - bits($_[1], 0, 2);
my $DI = bits($_[1], 2, 1);
&parseDI($DI_adr, $DI);
# TA, M/S
$stn{$pi}{'TA'} = bits($_[1], 4, 1);
$stn{$pi}{'MS'} = bits($_[1], 3, 1);
say " TA: $TAtext[$stn{$pi}{'TP'}][$stn{$pi}{'TA'}]" if ($dbg);
say " M/S: ".qw( Speech Music )[$stn{$pi}{'MS'}] if ($dbg);
$stn{$pi}{'hasMS'} = TRUE;
&updateStatusRow;
if (@_ >= 3) {
# AF
my @af;
for (0..1) {
$af[$_] = &parseAF(TRUE, bits($_[2], 8-$_*8, 8));
say " AF: $af[$_]" if ($dbg);
}
if ($af[0] =~ /follow/ && $af[1] =~ /Hz/) {
($stn{$pi}{'freq'} = $af[1]) =~ s/ [kM]Hz//;
$Freqlabel->set_markup("<span font='mono 12px' foreground='$themef{fg}'>$stn{$pi}{'freq'}</span>");
}
}
if (@_ == 4) {
# Program Service Name (PS)
if ($stn{$pi}{'denyPS'}) {
say " (Ignoring changes to PS)" if ($dbg);
} else {
&set_ps_khars($pi, bits($_[1], 0, 2) * 2, bits($_[3], 8, 8), bits($_[3], 0, 8));
}
}
}
# 0B: Basic tuning and switching information
sub Group0B {
# Decoder Identification
my $DI_adr = 3 - bits($_[1], 0, 2);
my $DI = bits($_[1], 2, 1);
&parseDI($DI_adr, $DI);
# Traffic Announcements, Music/Speech
$stn{$pi}{'TA'} = bits($_[1], 4, 1);
$stn{$pi}{'MS'} = bits($_[1], 3, 1);
say " TA: $TAtext[$stn{$pi}{'TP'}][$stn{$pi}{'TA'}]" if ($dbg);
say " M/S: ".qw( Speech Music )[$stn{$pi}{'MS'}] if ($dbg);
$stn{$pi}{'hasMS'} = TRUE;
&updateStatusRow;
if (@_ == 4) {
# Program Service name
if ($stn{$pi}{'denyPS'}) {
say " (Ignoring changes to PS)" if ($dbg);
} else {
&set_ps_khars($pi, bits($_[1], 0, 2) * 2, bits($_[3], 8, 8), bits($_[3], 0, 8));
}
}
}
# 1A: Program Item Number & Slow labeling codes
sub Group1A {
return if (@_ < 4);
# Program Item Number
say " PIN: ". &parsepin($_[3]) if ($dbg);
# Paging (M.2.1.1.2)
say " ══╡ Pager TNG: ". bits($_[1], 2, 3);
say " ══╡ Pager interval: ".bits($_[1], 0, 2);
# Slow labeling codes
$stn{$pi}{'LA'} = bits($_[2], 15, 1);
say " LA: ".($stn{$pi}{'LA'} ? "Program is linked ".(exists($stn{$pi}{'LSN'}) &&
sprintf("to linkage set %Xh ",$stn{$pi}{'LSN'}))."at the moment" :
"Program is not linked at the moment") if ($dbg);
my $slc_variant = bits($_[2], 12, 3);
given ($slc_variant) {
when (0) {
say " ══╡ Pager OPC: ".bits($_[2], 8, 4);
# No PIN, M.3.2.4.3
if (@_ == 4 && ($_[3] >> 11) == 0) {
given (bits($_[3], 10, 1)) {
# Sub type 0
when (0) {
say " ══╡ Pager PAC: ".bits($_[3], 4, 6);
say " ══╡ Pager OPC: ".bits($_[3], 0, 4);
}
# Sub type 1
when (1) {
given (bits($_[3], 8, 2)) {
when (0) { say " ══╡ Pager ECC: ".bits($_[3], 0, 6); }
when (3) { say " ══╡ Pager CCF: ".bits($_[3], 0, 4); }
}
}
}
}
$stn{$pi}{'ECC'} = bits($_[2], 0, 8);
$stn{$pi}{'CC'} = bits($pi, 12, 4);
$ECClabel->set_markup("<span font='Mono 11px' foreground='$themef{fg}'>".($countryISO[$stn{$pi}{'ECC'}][$stn{$pi}{'CC'}] // " ")."</span>");
say " ECC: ".sprintf("%02X", $stn{$pi}{'ECC'}).
(defined $countryISO[$stn{$pi}{'ECC'}][$stn{$pi}{'CC'}] && " ($countryISO[$stn{$pi}{'ECC'}][$stn{$pi}{'CC'}])") if ($dbg);
}
when (1) {
$stn{$pi}{'tmcid'} = bits($_[2], 0, 12);
say " TMC ID: ". sprintf("%xh",$stn{$pi}{'tmcid'}) if ($dbg);
}
when (2) {
say " ══╡ Pager OPC: ".bits($_[2], 8, 4);
say " ══╡ Pager PAC: ".bits($_[2], 0, 6);
# No PIN, M.3.2.4.3
if (@_ == 4 && ($_[3] >> 11) == 0) {
given (bits($_[3], 10, 1)) {
# Sub type 0
when (0) {
say " ══╡ Pager PAC: ".bits($_[3], 4, 6);
say " ══╡ Pager OPC: ".bits($_[3], 0, 4);
}
# Sub type 1
when (1) {
given (bits($_[3], 8, 2)) {
when (0) { say " ══╡ Pager ECC: ".bits($_[3], 0, 6); }
when (3) { say " ══╡ Pager CCF: ".bits($_[3], 0, 4); }
}
}
}
}
}
when (3) {
$stn{$pi}{'lang'} = bits($_[2], 0, 8);
say " Lang: ". sprintf( ($stn{$pi}{'lang'} <= 127 ?
"%Xh $langname[$stn{$pi}{'lang'}]" : "Unknown language %Xh"), $stn{$pi}{'lang'}) if ($dbg);
}
when (6) {
say " Brodcaster data: ".sprintf("%03x", bits($_[2], 0, 12));
}
when (7) {
$stn{$pi}{'EWS_channel'} = bits($_[2], 0, 12);
say " EWS ch: ". sprintf("%Xh",$stn{$pi}{'EWS_channel'}) if ($dbg);
}
default {
say " SLC variant $slc_variant is not assigned in standard" if ($dbg);
}
}
}
# 1B: Program Item Number
sub Group1B {
return if (@_ < 4);
say " PIN: ". &parsepin($_[3]) if ($dbg);
}
# 2A: RadioText (64 characters)
sub Group2A {
return if (@_ < 3);
my $text_seg_addr = bits($_[1], 0, 4) * 4;
$stn{$pi}{'prev_textAB'} = $stn{$pi}{'textAB'};
$stn{$pi}{'textAB'} = bits($_[1], 4, 1);
my @chr = ();
$chr[0] = bits($_[2], 8, 8);
$chr[1] = bits($_[2], 0, 8);
if (@_ == 4) {
$chr[2] = bits($_[3], 8, 8);
$chr[3] = bits($_[3], 0, 8);
}
# Page 26
if (($stn{$pi}{'prev_textAB'} // -1) != $stn{$pi}{'textAB'}) {
if ($stn{$pi}{'denyRTAB'} // FALSE) {
say " (Ignoring A/B flag change)" if ($dbg);
} else {
say " (A/B flag change; text reset)" if ($dbg);
$stn{$pi}{'RTbuf'} = " " x 64;
$stn{$pi}{'RTrcvd'} = ();
}
}
&set_rt_khars($text_seg_addr,@chr);
}
# 2B: RadioText (32 characters)
sub Group2B {
return if (@_ < 4);
my $text_seg_addr = bits($_[1], 0, 4) * 2;
$stn{$pi}{'prev_textAB'} = $stn{$pi}{'textAB'};
$stn{$pi}{'textAB'} = bits($_[1], 4, 1);
my @chr = (bits($_[3], 8, 8), bits($_[3], 0, 8));
if (($stn{$pi}{'prev_textAB'} // -1) != $stn{$pi}{'textAB'}) {
if ($stn{$pi}{'denyRTAB'} // FALSE) {
say " (Ignoring A/B flag change)" if ($dbg);
} else {
say " (A/B flag change; text reset)" if ($dbg);
$stn{$pi}{'RTbuf'} = " " x 64;
$stn{$pi}{'RTrcvd'} = ();
}
}
&set_rt_khars($text_seg_addr,@chr);
}
# 3A: Application Identification for Open Data
sub Group3A {
return if (@_ < 4);
my $gtype = bits($_[1], 0, 5);
given ($gtype) {
when (0) {
say " ODAapp: ". ($oda_app{$_[3]} // sprintf("%04Xh",$_[3])) if ($dbg);
say " is not carried in associated group" if ($dbg);
return;
}
when (32) {
say " ODA: Temporary data fault (Encoder status)" if ($dbg);
return;
}
when ([0..6, 8, 20, 28, 29, 31]) {
say " ODA: (Illegal Application Group Type)" if ($dbg);
return;
}
default {
$stn{$pi}{'ODAaid'}{$gtype} = $_[3];
say " ODAgrp: ". bits($_[1], 1, 4) . (bits($_[1], 0, 1) ? "B" : "A") if ($dbg);
say " ODAapp: ". ($oda_app{$stn{$pi}{'ODAaid'}{$gtype}} // sprintf("%04Xh",$stn{$pi}{'ODAaid'}{$gtype})) if ($dbg);
}
}
given ($stn{$pi}{'ODAaid'}{$gtype}) {
# Traffic Message Channel
when ([0xCD46, 0xCD47]) {
$stn{$pi}{'hasTMC'} = TRUE;
&updateStatusRow;
say sprintf(" ══╡ TMC sysmsg %04x",$_[2]);
}
# RT+
when (0x4BD7) {
$stn{$pi}{'hasRTplus'} = TRUE;
$stn{$pi}{'rtp_which'} = bits($_[2], 13, 1);
$stn{$pi}{'CB'} = bits($_[2], 12, 1);
$stn{$pi}{'SCB'} = bits($_[2], 8, 4);
$stn{$pi}{'templnum'} = bits($_[2], 0, 8);
&updateStatusRow;
say " RT+ applies to ".($stn{$pi}{'rtp_which'} ? "enhanced RadioText" : "RadioText") if ($dbg);
say " ".($stn{$pi}{'CB'} ? "Using template $stn{$pi}{'templnum'}" : "No template in use") if ($dbg);
say sprintf(" Server Control Bits: %Xh", $stn{$pi}{'SCB'}) if (!$stn{$pi}{'CB'} && $dbg);
}
# eRT
when (0x6552) {
$stn{$pi}{'haseRT'} = TRUE;
$stn{$pi}{'eRTbuf'} = " " x 64 if (not exists $stn{$pi}{'eRTbuf'});
$stn{$pi}{'ert_isutf8'} = bits($_[2], 0, 1);
$stn{$pi}{'ert_txtdir'} = bits($_[2], 1, 1);
$stn{$pi}{'ert_chrtbl'} = bits($_[2], 2, 4);
&updateStatusRow;
}
# Unimplemented ODA
default {
say " ODAmsg: ". sprintf("%04x",$_[2]) if ($dbg);
say " Unimplemented Open Data Application" if ($dbg);
}
}
}
# 4A: Clock-time and date
sub Group4A {
return if (@_ < 3);
my $lto;
my $mjd = (bits($_[1], 0, 2) << 15) | bits($_[2], 1, 15);
if (@_ == 4) {
# Local time offset
$lto = (bits($_[3], 0, 5) / 2;
$lto = (bits($_[3], 5, 1) ? -$lto : $lto);
$mjd = int($mjd + $lto / 24);
}
my $yr = int(($mjd - 15078.2) / 365.25);
my $mo = int(($mjd - 14956.1 - int($yr * 365.25)) / 30.6001);
my $dy = $mjd-14956 - int($yr * 365.25) - int($mo * 30.6001);
my $k = ($mo== 14 || $mo == 15);
$yr += $k + 1900;
$mo -= 1 + $k * 12;
#$wd = ($mjd + 2) % 7;
if (@_ == 4) {
my $ltom = ($lto - int($lto)) * 60;
$lto = int($lto);
my $hr = ( ( bits($_[2], 0, 1) << 4) | bits($_[3], 12, 4) + $lto) % 24;
my $mn = bits($_[3], 6, 6);
say " CT: ". (($dy > 0 && $dy < 32 && $mo > 0 && $mo < 13 && $hr > 0 && $hr < 24 && $mn > 0 && $mn < 60) ?
sprintf("%04d-%02d-%02dT%02d:%02d%+03d:%02d", $yr, $mo, $dy, $hr, $mn, $lto, $ltom) :
"Invalid datetime data") if ($dbg);
} else {
say " CT: ". (($dy > 0 && $dy < 32 && $mo > 0 && $mo < 13) ?
sprintf("%04d-%02d-%02d", $yr, $mo, $dy) :
"Invalid datetime data") if ($dbg);
}
}
# 5A: Transparent data channels or ODA
sub Group5A {
return if (@_ < 4);
my $addr = bits($_[1], 0, 5);
say " TDChan: $addr" if ($dbg);
say sprintf(" TDS: %02x %02x %02x %02x",
bits($_[2], 8, 8), bits($_[2], 0, 8), bits($_[3], 8, 8), bits($_[3], 0, 8)) if ($dbg);
}
# 5B: Transparent data channels or ODA
sub Group5B {
return if (@_ < 4);
my $addr = bits($_[1], 0, 5);
say " TDChan: $addr" if ($dbg);
say sprintf(" TDS: %02x %02x", bits($_[3], 8, 8), bits($_[3], 0, 8)) if ($dbg);
}
# 6A: In-House Applications or ODA
sub Group6A {
return if (@_ < 4);
say " IH: ". sprintf("%02x %04x %04x", bits($_[1], 0, 5), $_[2], $_[3]) if ($dbg);
}
# 6B: In-House Applications or ODA
sub Group6B {
return if (@_ < 4);
say " IH: ". sprintf("%02x %04x", bits($_[1], 0, 5), $_[3]) if ($dbg);
}
# 7A: Radio Paging or ODA
sub Group7A {
return if (@_ < 3);
say sprintf(" ══╡ Pager 7A: %02x %04x %04x",bits($_[1], 0, 5), $_[2], $_[3]);
}
# 9A: Emergency warning systems or ODA
sub Group9A {
return if (@_ < 4);
say " EWS: ". sprintf("%02x %04x %04x", bits($_[1], 0, 5), $_[2], $_[3]) if ($dbg);
}
# 10A: Program Type Name (PTYN)
sub Group10A {
if (bits($_[1], 4, 1) != ($stn{$pi}{'PTYNAB'} // -1)) {
say " (A/B flag change, text reset)" if ($dbg);
$stn{$pi}{'PTYN'} = " " x 8;
}
$stn{$pi}{'PTYNAB'} = bits($_[1], 4, 1);
if (@_ >= 3) {
my @chr = ();
$chr[0] = bits($_[2], 8, 8);
$chr[1] = bits($_[2], 0, 8);
if (@_ == 4) {
$chr[2] = bits($_[3], 8, 8);
$chr[3] = bits($_[3], 0, 8);
}
my $segaddr = bits($_[1], 0, 1);
substr($stn{$pi}{'PTYN'}, $segaddr*4 + $_, 1) = $charbasic[$chr[$_]] for (0..$#chr);
say " PTYN: ", substr($stn{$pi}{'PTYN'},0,$segaddr*4).REVERSE.substr($stn{$pi}{'PTYN'},$segaddr*4,scalar(@chr)).
RESET.substr($stn{$pi}{'PTYN'},$segaddr*4+scalar(@chr)) if ($dbg);
}
}
# 13A: Enhanced Radio Paging or ODA
sub Group13A {
return if (@_ < 4);
say sprintf(" ══╡ Pager 13A: %02x %04x %04x",bits($_[1], 0, 5), $_[2], $_[3]);
}
# 14A: Enhanced Other Networks (EON) information
sub Group14A {
return if (@_ < 4);
$stn{$pi}{'hasEON'} = TRUE;
my $eon_pi = $_[3];
$stn{$eon_pi}{'TP'} = bits($_[1], 4, 1);
my $eon_variant = bits($_[1], 0, 4);
&updateStatusRow;
say " Other Network" if ($dbg);
say " PI: ".sprintf("%04X",$eon_pi).((exists($stn{$eon_pi}{'chname'})) && " $stn{$eon_pi}{'chname'})") if ($dbg);
say " TP: $TPtext[$stn{$eon_pi}{'TP'}]" if ($dbg);
given ($eon_variant) {
when ([0..3]) {
print " " if ($dbg);
$stn{$eon_pi}{'PSbuf'} = " " x 8 unless (exists($stn{$eon_pi}{'PSbuf'}));
&set_ps_khars($eon_pi, $eon_variant*2, bits($_[2], 8, 8), bits($_[2], 0, 8));
}
when (4) {
say " AF: ".&parseAF(TRUE, bits($_[2], 8, 8));
say " AF: ".&parseAF(TRUE, bits($_[2], 0, 8));
}
when ([5..8]) {
say " AF: Tuned frequency ".&parseAF(TRUE, bits($_[2], 8, 8))." maps to ".
&parseAF(TRUE, bits($_[2], 0, 8)) if ($dbg);
}
when (9) {
say " AF: Tuned frequency ".&parseAF(TRUE, bits($_[2], 8, 8))." maps to ".
&parseAF(FALSE,bits($_[2], 0, 8)) if ($dbg);
}
when (12) {
$stn{$eon_pi}{'LA'} = bits($_[2], 15, 1);
$stn{$eon_pi}{'EG'} = bits($_[2], 14, 1);
$stn{$eon_pi}{'ILS'} = bits($_[2], 13, 1);
$stn{$eon_pi}{'LSN'} = bits($_[2], 1, 12);
if ($dbg && $stn{$eon_pi}{'LA'}) { say " Link: Program is linked to linkage set ".sprintf("%03X",$stn{$eon_pi}{'LSN'}); }
if ($dbg && $stn{$eon_pi}{'EG'}) { say " Link: Program is member of an extended generic set"; }
if ($dbg && $stn{$eon_pi}{'ILS'}) { say " Link: Program is linked internationally"; }
# TODO: Country codes, pg. 51
}
when (13) {
$stn{$eon_pi}{'PTY'} = bits($_[2], 11, 5);
$stn{$eon_pi}{'TA'} = bits($_[2], 0, 1);
say " PTY: $stn{$eon_pi}{'PTY'} ".
(exists $stn{$eon_pi}{'ECC'} && ($countryISO[$stn{$pi}{'ECC'}][$stn{$eon_pi}{'CC'}] // "") =~ /us|ca|mx/ ?
$ptynamesUS[$stn{$eon_pi}{'PTY'}] :
$ptynames[$stn{$eon_pi}{'PTY'}]) if ($dbg);
say " TA: $TAtext[$stn{$eon_pi}{'TP'}][$stn{$eon_pi}{'TA'}]" if ($dbg);
}
when (14) {
say " PIN: ". &parsepin($_[2]) if ($dbg);
}
when (15) {
say " Broadcaster data: ".sprintf("%04x", $_[2]) if ($dbg);
}
default {
say " EON variant $eon_variant is unallocated" if ($dbg);
}
}
}
# 14B: Enhanced Other Networks (EON) information
sub Group14B {
return if (@_ < 4);
my $eon_pi = $_[3];
$stn{$eon_pi}{'TP'} = bits($_[1], 4, 1);
$stn{$eon_pi}{'TA'} = bits($_[1], 3, 1);
say " Other Network" if ($dbg);
say " PI: ".sprintf("%04X",$eon_pi).((exists($stn{$eon_pi}{'chname'})) ? " ".$stn{$eon_pi}{'chname'} : "") if ($dbg);
say " TP: $TPtext[$stn{$eon_pi}{'TP'}]" if ($dbg);
say " TA: $TAtext[$stn{$eon_pi}{'TP'}][$stn{$eon_pi}{'TA'}]" if ($dbg);
}
# 15B: Fast basic tuning and switching information
sub Group15B {
# DI
my $DI_adr = 3 - bits($_[1], 0, 2);
my $DI = bits($_[1], 2, 1);
&parseDI($DI_adr, $DI);
# TA, M/S
$stn{$pi}{'TA'} = bits($_[1], 4, 1);
$stn{$pi}{'MS'} = bits($_[1], 3, 1);
say " TA: $TAtext[$stn{$pi}{'TP'}][$stn{$pi}{'TA'}]" if ($dbg);
say " M/S: ".qw( Speech Music )[$stn{$pi}{'MS'}] if ($dbg);
$stn{$pi}{'hasMS'} = TRUE;
&updateStatusRow;
}
# Any group used for Open Data
sub ODAGroup {
my ($gtype, @data) = @_;
return if (@data < 4);
if (exists $stn{$pi}{'ODAaid'}{$gtype}) {
given ($stn{$pi}{'ODAaid'}{$gtype}) {
when ([0xCD46, 0xCD47]) { say sprintf(" ══╡ TMC msg %02x %04x %04x",
bits($data[1], 0, 5), $data[2], $data[3]); }
when (0x4BD7) { &parse_RTp(@data); }
when (0x6552) { &parse_eRT(@data); }
default { say sprintf(" Unimplemented ODA %04x: %02x %04x %04x",
$stn{$pi}{'ODAaid'}{$gtype}, bits($data[1], 0, 5), $data[2], $data[3])
if ($dbg); }
}
} else {
say " Will need group 3A first to identify ODA" if ($dbg);
}
}
sub screenReset {
$stn{$pi}{'RTbuf'} = (" " x 64) if (!exists $stn{$pi}{'RTbuf'});
$stn{$pi}{'hasRT'} = FALSE if (!exists $stn{$pi}{'hasRT'});
$stn{$pi}{'hasMS'} = FALSE if (!exists $stn{$pi}{'hasMS'});
$stn{$pi}{'TP'} = FALSE if (!exists $stn{$pi}{'TP'});
$stn{$pi}{'TA'} = FALSE if (!exists $stn{$pi}{'TA'});
$PSlabel ->set_markup("<span font='Mono Bold 25px'> </span>");
$PIlabel ->set_markup("<span font='mono 12px'>".(defined($pi) ? sprintf("%04X",$pi) : " ")."</span>");
$ECClabel ->set_markup("<span font='Mono 11px' foreground='$themef{dim}'> </span>");
$PTYlabel ->set_markup("<span font='Mono 12px'>".(" " x 16)."</span>");
$RTlabel ->set_markup("<span font='Mono 15px' foreground='$themef{fg}'>".(" " x 32)."</span>");
$Freqlabel ->set_markup("<span font='mono 12px' foreground='$themef{fg}'>".($stn{$pi}{'freq'} // " ")."</span>");
&updateStatusRow;
}
sub on_quit_button_clicked {
Gtk2->main_quit;
}
# Change characters in RadioText
sub set_rt_khars {
(my $lok, my @a) = @_;
$stn{$pi}{'hasRT'} = TRUE;
&updateStatusRow;
for $i (0..$#a) {
given ($a[$i]) {
when (0x0D) { substr($stn{$pi}{'RTbuf'}, $lok+$i, 1) = "↵"; }
when (0x0A) { substr($stn{$pi}{'RTbuf'}, $lok+$i, 1) = "␊"; }
default { substr($stn{$pi}{'RTbuf'}, $lok+$i, 1) = $charbasic[$a[$i]]; }
}
$stn{$pi}{'RTrcvd'}[$lok+$i] = TRUE;
}
# Message will be displayed when fully received
my $minRTlen = ($stn{$pi}{'RTbuf'} =~ /↵/ ? index($stn{$pi}{'RTbuf'},"↵") + 1 : $stn{$pi}{'presetminRTlen'} // 0);
my $totrc = grep (defined $_, @{$stn{$pi}{'RTrcvd'}}[0..$minRTlen]) if ($minRTlen > 0);
if ($minRTlen == 0) {
$stn{$pi}{'RTscrollbuf'} = substr($stn{$pi}{'RTbuf'},0,64);
}
elsif ($totrc >= $minRTlen) {
$stn{$pi}{'RTscrollbuf'} = substr($stn{$pi}{'RTbuf'},0,$minRTlen);
}
say " RT: ". substr($stn{$pi}{'RTbuf'},0,$lok).REVERSE.substr($stn{$pi}{'RTbuf'},$lok,scalar(@a)).RESET.
substr($stn{$pi}{'RTbuf'},$lok+scalar(@a)) if ($dbg);
say " ". join("", (map ((defined) ? "^" : " ", @{$stn{$pi}{'RTrcvd'}}[0..63]))) if ($dbg);
}
# Enhanced RadioText
sub parse_eRT {
my $addr = bits($_[1], 0, 5);
if ($stn{$pi}{'ert_chrtbl'} == 0x00 &&
!$stn{$pi}{'ert_isutf8'} &&
$stn{$pi}{'ert_txtdir'} == 0) {
for (0..1) {
substr($stn{$pi}{'eRTbuf'}, 2*$addr+$_, 1) = decode("UCS-2LE", chr(bits($_[2+$_], 8, 8)).chr(bits($_[2+$_], 0, 8)));
$stn{$pi}{'eRTrcvd'}[2*$addr+$_] = TRUE;
}
say " eRT: ". substr($stn{$pi}{'eRTbuf'},0,2*$addr).REVERSE.substr($stn{$pi}{'eRTbuf'},2*$addr,2).RESET.
substr($stn{$pi}{'eRTbuf'},2*$addr+2) if ($dbg);
say " ". join("", (map ((defined) ? "^" : " ", @{$stn{$pi}{'eRTrcvd'}}[0..63]))) if ($dbg);
}
}
# Change characters in the Program Service name
sub set_ps_khars {
my $pspi = $_[0];
my $lok = $_[1];
my @khar = ($_[2], $_[3]);
my $markup;
$stn{$pspi}{'PSbuf'} = " " x 8 if (not exists $stn{$pspi}{'PSbuf'});
substr($stn{$pspi}{'PSbuf'}, $lok, 2) = $charbasic[$khar[0]] . $charbasic[$khar[1]];
# Display PS name when received without gaps
$stn{$pspi}{'prevPSlok'} = 0 if (not exists $stn{$pspi}{'prevPSlok'});
$stn{$pspi}{'PSrcvd'} = () if ($lok != $stn{$pspi}{'prevPSlok'} + 2 || $lok == $stn{$pspi}{'prevPSlok'});
$stn{$pspi}{'PSrcvd'}[$lok/2] = TRUE;
$stn{$pspi}{'prevPSlok'} = $lok;
my $totrc = grep (defined, @{$stn{$pspi}{'PSrcvd'}}[0..3]);
if ($totrc == 4) {
($markup = $stn{$pspi}{'PSbuf'}) =~ s/&/&/g;
$markup =~ s/</</g;
$PSlabel->set_markup("<span font='Mono Bold 25px' foreground='$themef{fg}'>$markup</span>") if ($pspi == $pi);
}
say " PS: ". substr($stn{$pspi}{'PSbuf'},0,$lok).REVERSE.substr($stn{$pspi}{'PSbuf'},$lok,2).RESET.
substr($stn{$pspi}{'PSbuf'},$lok+2) if ($dbg);
}
# RadioText+
sub parse_RTp {
my @ctype;
my @start;
my @len;
# P.5.2
my $itog = bits($_[1], 4, 1);
my $irun = bits($_[1], 3, 1);
$ctype[0] = (bits($_[1], 0, 3) << 3) + bits($_[2], 13, 3);
$ctype[1] = (bits($_[2], 0, 1) << 5) + bits($_[3], 11, 5);
$start[0] = bits($_[2], 7, 6);
$start[1] = bits($_[3], 5, 6);
$len[0] = bits($_[2], 1, 6);
$len[1] = bits($_[3], 0, 5);
say " RadioText+: " if ($dbg);
if ($irun) {
say " Item running" if ($dbg);
if ($stn{$pi}{'rtp_which'} == 0) {
for $tag (0..1) {
my $totrc = grep (defined $_, @{$stn{$pi}{'RTrcvd'}}[$start[$tag]..($start[$tag]+$len[$tag]-1)]);
if ($totrc == $len[$tag]) {
say " Tag $rtpclass[$ctype[$tag]]: ".substr($stn{$pi}{'RTbuf'}, $start[$tag], $len[$tag]) if ($dbg);
}
}
} else {
# (eRT)
}
} else {
say " No item running" if ($dbg);
}
}
# Program Item Number
sub parsepin {
my $d = bits($_[0], 11, 5);
return ($d ? sprintf("Day %d at %02d:%02d",$d, bits($_[0], 6, 5), bits($_[0], 0, 6)) : "Not in use");
}
# Decoder Identification
sub parseDI {
if ($dbg) {
given ($_[0]) {
when (0) { say " DI: ". qw( Mono Stereo )[$_[1]]; }
when (1) { say " DI: Artificial head" if ($_[1]); }
when (2) { say " DI: Compressed" if ($_[1]); }
when (3) { say " DI: ". qw( Static Dynamic)[$_[1]] ." PTY"; }
}
}
}
# Alternate Frequencies
sub parseAF {
my $fm = shift;
my $num = shift;
if ($fm) {
given ($num) {
when ([1..204]) { return sprintf("%0.1f MHz", (87.5 + $num/10) ); }
when (205) { return "(filler)"; }
when (224) { return "No AF exists"; }
when ([225..249]) { return ($num == 225 ? "One AF follows" : ($num-224)." AFs follow"); }
when (250) { return "AM/LF freq follows"; }
default { return "(error: $num)"; }
}
} else {
given ($num) {
when ([1..15]) { return sprintf("%d kHz", 144 + $num * 9); }
when ([16..135]) { return sprintf("%d kHz", 522 + ($num-15) * 9); }
default { return "N/A"; }
}
}
}
sub updateStatusRow {
$AppLabel->set_markup("<span font='Sans Italic 9px'>".
"<span foreground='".$themef{$stn{$pi}{'hasRT'} ? "fg" : "dim"}."'>RadioText</span> ".
"<span foreground='".$themef{$stn{$pi}{'hasRTplus'} ? "fg" : "dim"}."'>RT+</span> ".
"<span foreground='".$themef{$stn{$pi}{'haseRT'} ? "fg" : "dim"}."'>eRT</span> ".
"<span foreground='".$themef{$stn{$pi}{'hasEON'} ? "fg" : "dim"}."'>EON</span> ".
"<span foreground='".$themef{$stn{$pi}{'hasTMC'} ? "fg" : "dim"}."'>TMC</span> ".
"<span foreground='".$themef{$stn{$pi}{'TP'} ? "fg" : "dim"}."'>TP</span> ".
"<span foreground='".$themef{$stn{$pi}{'TA'} ? "fg" : "dim"}."'>TA</span></span>");
$Siglabel->set_markup("<span font='Mono 11px'><span foreground='$themef{fg}'>".("⟫" x ($qty // 0)) .
"</span><span foreground='$themef{dim}'>".("⟫" x (5-($qty // 0)))."</span></span>");
$RDSlabel->set_markup("<span font='Mono 7px' foreground='".$themef{$insync ? "fg" : "dim"}.
"'>RDS</span>");