new RainShadow adapter

docs/README.linux.md

@@ -45,11 +45,17 @@ Pass the argument `-DHAVE_AOCEC_API=1` to the cmake command in the compilation i
 cmake -DHAVE_AOCEC_API=1 ..
 ```
 
+### RainShadow
+Pass the argument `-DHAVE_RAINSHADOW_API=1` to the cmake command in the compilation instructions:
+```
+cmake -DHAVE_RAINSHADOW_API=1 ..
+```
+
 ### TDA995x
 Pass the argument `-DHAVE_TDA995X_API=1` to the cmake command in the compilation instructions:
 ```
 cmake -DHAVE_TDA995X_API=1 ..
 ```
 
 ### Debian / Ubuntu .deb packaging
-See [docs/README.debian.md](README.debian.md).
+See [docs/README.debian.md](README.debian.md).

include/cectypes.h

@@ -291,6 +291,16 @@ namespace CEC {
  */
 #define CEC_AOCEC_VIRTUAL_COM		"AOCEC"
 
+/*!
+ * the path to use for the RainShadow HDMI CEC device
+ */
+#define CEC_RAINSHADOW_PATH		"/dev/ttyACM0"
+
+/*!
+ * the name of the virtual COM port to use for the RainShadow' CEC wire
+ */
+#define CEC_RAINSHADOW_VIRTUAL_COM	"RainShadow"
+
 /*!
  * Mimimum client version
  */
@@ -861,7 +871,8 @@ typedef enum cec_adapter_type
   ADAPTERTYPE_RPI              = 0x100,
   ADAPTERTYPE_TDA995x          = 0x200,
   ADAPTERTYPE_EXYNOS           = 0x300,
-  ADAPTERTYPE_AOCEC            = 0x500
+  ADAPTERTYPE_AOCEC            = 0x500,
+  ADAPTERTYPE_RAINSHADOW       = 0x700
 } cec_adapter_type;
 
 /** force exporting through swig */

src/libcec/CMakeLists.txt

@@ -68,7 +68,8 @@ set(CEC_SOURCES_IMPLEMENTATIONS implementations/ANCommandHandler.cpp
 
 # /platform/*
 set(CEC_SOURCES_PLATFORM platform/adl/adl-edid.cpp
-                         platform/nvidia/nv-edid.cpp)
+                         platform/nvidia/nv-edid.cpp
+                         platform/drm/drm-edid.cpp)
 
 # headers
 set(CEC_EXT_HEADERS ${PROJECT_SOURCE_DIR}/../../include/cec.h

src/libcec/adapter/AdapterFactory.cpp

@@ -63,6 +63,11 @@
 #include "AOCEC/AOCECAdapterCommunication.h"
 #endif
 
+#if defined(HAVE_RAINSHADOW_API)
+#include "RainShadow/RainAdapterDetection.h"
+#include "RainShadow/RainAdapterCommunication.h"
+#endif
+
 using namespace CEC;
 
 int8_t CAdapterFactory::FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath /* = NULL */)
@@ -143,8 +148,19 @@ int8_t CAdapterFactory::DetectAdapters(cec_adapter_descriptor *deviceList, uint8
   }
 #endif
 
+#if defined(HAVE_RAINSHADOW_API)
+  if (!CRainAdapterDetection::CanAutodetect())
+  {
+    if (m_lib)
+      m_lib->AddLog(CEC_LOG_WARNING, "libCEC has not been compiled with detection code for the RAINSHADOW USB-CEC Adapter, so the path to the COM port has to be provided to libCEC if this adapter is being used");
+  }
+  else
+    iAdaptersFound += CRainAdapterDetection::FindAdapters(&deviceList[iAdaptersFound], iBufSize, strDevicePath);
+#else
+  m_lib->AddLog(CEC_LOG_WARNING, "libCEC has not been compiled with support for the RainShadow USB-CEC Adapter");
+#endif
 
-#if !defined(HAVE_RPI_API) && !defined(HAVE_P8_USB) && !defined(HAVE_TDA995X_API) && !defined(HAVE_AOCEC_API)
+#if !defined(HAVE_RPI_API) && !defined(HAVE_P8_USB) && !defined(HAVE_TDA995X_API) && !defined(HAVE_AOCEC_API) && !defined(HAVE_RAINSHADOW_API)
 #error "libCEC doesn't have support for any type of adapter. please check your build system or configuration"
 #endif
 
@@ -168,6 +184,11 @@ IAdapterCommunication *CAdapterFactory::GetInstance(const char *strPort, uint16_
     return new CAOCECAdapterCommunication(m_lib->m_cec);
 #endif
 
+#if defined(HAVE_RAINSHADOW_API)
+  if (CRainAdapterDetection::isItMe(strPort))
+    return new CRainAdapterCommunication(m_lib->m_cec, strPort, iBaudRate);
+#endif
+
 #if defined(HAVE_RPI_API)
   if (!strcmp(strPort, CEC_RPI_VIRTUAL_COM))
     return new CRPiCECAdapterCommunication(m_lib->m_cec);
@@ -177,7 +198,7 @@ IAdapterCommunication *CAdapterFactory::GetInstance(const char *strPort, uint16_
   return new CUSBCECAdapterCommunication(m_lib->m_cec, strPort, iBaudRate);
 #endif
 
-#if !defined(HAVE_RPI_API) && !defined(HAVE_P8_USB) && !defined(HAVE_TDA995X_API) && !defined(HAVE_EXYNOS_API) && !defined(HAVE_AOCEC_API)
+#if !defined(HAVE_RPI_API) && !defined(HAVE_P8_USB) && !defined(HAVE_TDA995X_API) && !defined(HAVE_EXYNOS_API) && !defined(HAVE_AOCEC_API) && !defined(HAVE_RAINSHADOW_API)
   return NULL;
 #endif
 }

src/libcec/adapter/RainShadow/Rain.h

@@ -0,0 +1,38 @@
+#pragma once
+/*
+ * This file is part of the libCEC(R) library.
+ *
+ * libCEC RainShadow Code Copyright (C) 2017 Gerald Dachs
+ * based heavily on:
+ * libCEC Exynos Code Copyright (C) 2014 Valentin Manea
+ * libCEC(R) is Copyright (C) 2011-2015 Pulse-Eight Limited.  All rights reserved.
+ * libCEC(R) is an original work, containing original code.
+ *
+ * libCEC(R) is a trademark of Pulse-Eight Limited.
+ *
+ * This program is dual-licensed; 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *
+ * Alternatively, you can license this library under a commercial license,
+ * please contact Pulse-Eight Licensing for more information.
+ *
+ * For more information contact:
+ * Pulse-Eight Licensing       <[email protected]>
+ *     http://www.pulse-eight.com/
+ *     http://www.pulse-eight.net/
+ */
+
+
+#define CEC_MAX_FRAME_SIZE  16