Updated IAP commands.

Originally written and uploaded by Lalufu (Ralf Ertzinger) in Feb 2012.
They have been condensed into a single patch and some further additions
by Andy Potter.

Currently includes Authentication V2 support from iPod to Accessory,
RF/BlueTooth transmitter support, selecting a playlist and selecting a
track from the current playlist. Does not support uploading Album Art
or podcasts. Has been tested on the following iPods,
4th Gen Grayscale, 4th Gen Color/Photo, Mini 2nd Gen, Nano 1st Gen and
Video 5.5Gen.

Change-Id: Ie8fc098361844132f0228ecbe3c48da948726f5e
Co-Authored by: Andy Potter <liveboxandy@gmail.com>
Reviewed-on: http://gerrit.rockbox.org/533
Reviewed-by: Frank Gevaerts <frank@gevaerts.be>

1 files changed, 74 insertions, 0 deletions

diff --git a/tools/iap/device-ipod.t b/tools/iap/device-ipod.t
new file mode 100644
index 0000000000..607184e331
--- /dev/null
+++ b/tools/iap/device-ipod.t
@@ -0,0 +1,74 @@
+use Test::More qw( no_plan );
+use strict;
+
+BEGIN { use_ok('Device::iPod'); }
+require_ok('Device::iPod');
+
+my $ipod = Device::iPod->new();
+my $m;
+my ($l, $c, $p);
+
+isa_ok($ipod, 'Device::iPod');
+
+# Frame a short command
+$m = $ipod->_frame_cmd("\x00\x02\x00\x06");
+ok(defined($m) && ($m eq "\xFF\x55\x04\x00\x02\x00\x06\xF4"), "Framed command valid");
+
+# Frame a long command
+$m = $ipod->_frame_cmd("\x00" x 1024);
+ok(defined($m) && ($m eq "\xFF\x55\x00\x04\x00" . ("\x00" x 1024) . "\xFC"), "Long framed command valid");
+
+# Frame an overly long command
+$m = $ipod->_frame_cmd("\x00" x 65537);
+ok(!defined($m) && ($ipod->error() =~ 'Command too long'), "Overly long command failed");
+
+# Unframe a short command
+($l, $c, $p) = $ipod->_unframe_cmd("\xFF\x55\x04\x00\x02\x00\x06\xF4");
+ok(defined($l) && ($l == 0x00) && ($c == 0x02) && ($p eq "\x00\x06"), "Unframed short command");
+
+# Unframe a long command
+($l, $c, $p) = $ipod->_unframe_cmd("\xFF\x55\x00\x04\x00" . ("\x00" x 1024) . "\xFC");
+ok(defined($l) && ($l == 0x00) && ($c == 0x00) && ($p eq "\x00" x 1022), "Unframed long command");
+
+# Frame without sync byte
+($l, $c, $p) = $ipod->_unframe_cmd("\x00");
+ok(!defined($l) && ($ipod->error() =~ /Could not unframe data/), "Frame without sync byte failed");
+
+# Frame without SOP byte
+($l, $c, $p) = $ipod->_unframe_cmd("\xFF");
+ok(!defined($l) && ($ipod->error() =~ /Could not unframe data/), "Frame without SOP byte failed");
+
+# Frame with length 0
+($l, $c, $p) = $ipod->_unframe_cmd("\xFF\x55\x00\x00\x00");
+ok(!defined($l) && ($ipod->error() =~ /Length is 0/), "Frame with length 0 failed");
+
+# Too short frame
+($l, $c, $p) = $ipod->_unframe_cmd("\xFF\x55\x03\x00\x00");
+ok(!defined($l) && ($ipod->error() =~ /Could not unframe data/), "Too short frame failed");
+
+# Invalid checksum
+($l, $c, $p) = $ipod->_unframe_cmd("\xFF\x55\x03\x00\x00\x00\x00");
+ok(!defined($l) && ($ipod->error() =~ /Invalid checksum/), "Invalid checksum failed");
+
+# Find a message in a string
+$ipod->{-inbuf} = "\x00\xFF\x55\x00\xFF\xFF\xFF\x55\x04\x00\x02\x00\x06\xF4";
+($c, $l) = $ipod->_message_in_buffer();
+ok(defined($l) && ($c == 6) && ($l == 8), "Found message in buffer");
+
+# Return message from a string
+$ipod->{-inbuf} = "\x00\xFF\x55\x00\xFF\xFF\xFF\x55\x04\x00\x02\x00\x06\xF4\x00";
+$m = $ipod->_message();
+ok(defined($m) && ($ipod->{-inbuf} eq "\x00"), "Retrieved message from buffer");
+
+# Return two messages from buffer
+$ipod->{-inbuf} = "\xffU\x04\x00\x02\x00\x13\xe7\xffU\x02\x00\x14\xea";
+$m = $ipod->_message();
+subtest "First message" => sub {
+    ok(defined($m), "Message received");
+    is($m, "\xffU\x04\x00\x02\x00\x13\xe7");
+};
+$m = $ipod->_message();
+subtest "Second message" => sub {
+    ok(defined($m), "Message received");
+    is($m, "\xffU\x02\x00\x14\xea");
+};