Add HDCP traffic decoder to stack on i2c

This decoder annotates i2c traffic to indicate the type of HDCP
message contained. It includes HDCP2.2 and HDCP1.4. Useful for
analysing HDCP negotiation failures.

1 files changed, 27 insertions, 0 deletions

diff --git a/decoders/hdcp/__init__.py b/decoders/hdcp/__init__.py
new file mode 100644
index 0000000..8ead98b
--- /dev/null
+++ b/decoders/hdcp/__init__.py
@@ -0,0 +1,27 @@
+##
+## This file is part of the libsigrokdecode project.
+##
+## Copyright (C) 2018 Dave Craig<dcraig@brightsign.biz>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, see <http://www.gnu.org/licenses/>.
+##
+
+'''
+This decoder stacks on top of the 'i2c' PD and decodes HDCP messages.
+
+Details:
+https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20HDMI%20Specification%20Rev2_2_Final1.pdf
+'''
+
+from .pd import Decoder