The code for the RCU remote control unit has been moved into a separate plugin named "rcu"

5 files changed, 899 insertions, 0 deletions

diff --git a/PLUGINS/src/rcu/COPYING b/PLUGINS/src/rcu/COPYING
new file mode 100644
index 00000000..f90922ee
--- /dev/null
+++ b/PLUGINS/src/rcu/COPYING
@@ -0,0 +1,340 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ Everyone is permitted to copy and distribute verbatim copies
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+
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diff --git a/PLUGINS/src/rcu/HISTORY b/PLUGINS/src/rcu/HISTORY
new file mode 100644
index 00000000..692f6208
--- /dev/null
+++ b/PLUGINS/src/rcu/HISTORY
@@ -0,0 +1,6 @@
+VDR Plugin 'rcu' Revision History
+---------------------------------
+
+2012-02-27: Version 0.0.1
+
+- Initial revision.
diff --git a/PLUGINS/src/rcu/Makefile b/PLUGINS/src/rcu/Makefile
new file mode 100644
index 00000000..60bcf904
--- /dev/null
+++ b/PLUGINS/src/rcu/Makefile
@@ -0,0 +1,114 @@
+#
+# Makefile for a Video Disk Recorder plugin
+#
+# $Id: Makefile 1.1 2012/02/27 10:46:08 kls Exp $
+
+# The official name of this plugin.
+# This name will be used in the '-P...' option of VDR to load the plugin.
+# By default the main source file also carries this name.
+# IMPORTANT: the presence of this macro is important for the Make.config
+# file. So it must be defined, even if it is not used here!
+#
+PLUGIN = rcu
+
+### The version number of this plugin (taken from the main source file):
+
+VERSION = $(shell grep 'static const char \*VERSION *=' $(PLUGIN).c | awk '{ print $$6 }' | sed -e 's/[";]//g')
+
+### The C++ compiler and options:
+
+CXX      ?= g++
+CXXFLAGS ?= -g -O3 -Wall -Woverloaded-virtual -Wno-parentheses
+
+### The directory environment:
+
+VDRDIR ?= ../../..
+LIBDIR ?= ../../lib
+TMPDIR ?= /tmp
+
+### Make sure that necessary options are included:
+
+include $(VDRDIR)/Make.global
+
+### Allow user defined options to overwrite defaults:
+
+-include $(VDRDIR)/Make.config
+
+### The version number of VDR's plugin API (taken from VDR's "config.h"):
+
+APIVERSION = $(shell sed -ne '/define APIVERSION/s/^.*"\(.*\)".*$$/\1/p' $(VDRDIR)/config.h)
+
+### The name of the distribution archive:
+
+ARCHIVE = $(PLUGIN)-$(VERSION)
+PACKAGE = vdr-$(ARCHIVE)
+
+### Includes and Defines (add further entries here):
+
+INCLUDES += -I$(VDRDIR)/include
+
+DEFINES += -D_GNU_SOURCE -DPLUGIN_NAME_I18N='"$(PLUGIN)"'
+
+### The object files (add further files here):
+
+OBJS = $(PLUGIN).o
+
+### The main target:
+
+all: libvdr-$(PLUGIN).so i18n
+
+### Implicit rules:
+
+%.o: %.c
+	$(CXX) $(CXXFLAGS) -c $(DEFINES) $(INCLUDES) $<
+
+### Dependencies:
+
+MAKEDEP = $(CXX) -MM -MG
+DEPFILE = .dependencies
+$(DEPFILE): Makefile
+	@$(MAKEDEP) $(DEFINES) $(INCLUDES) $(OBJS:%.o=%.c) > $@
+
+-include $(DEPFILE)
+
+### Internationalization (I18N):
+
+PODIR     = po
+LOCALEDIR = $(VDRDIR)/locale
+I18Npo    = $(wildcard $(PODIR)/*.po)
+I18Nmsgs  = $(addprefix $(LOCALEDIR)/, $(addsuffix /LC_MESSAGES/vdr-$(PLUGIN).mo, $(notdir $(foreach file, $(I18Npo), $(basename $(file))))))
+I18Npot   = $(PODIR)/$(PLUGIN).pot
+
+%.mo: %.po
+	msgfmt -c -o $@ $<
+
+$(I18Npot): $(wildcard *.c)
+	xgettext -C -cTRANSLATORS --no-wrap --no-location -k -ktr -ktrNOOP --package-name=vdr-$(PLUGIN) --package-version=$(VERSION) --msgid-bugs-address='<see README>' -o $@ $^
+
+%.po: $(I18Npot)
+	msgmerge -U --no-wrap --no-location --backup=none -q $@ $<
+	@touch $@
+
+$(I18Nmsgs): $(LOCALEDIR)/%/LC_MESSAGES/vdr-$(PLUGIN).mo: $(PODIR)/%.mo
+	@mkdir -p $(dir $@)
+	cp $< $@
+
+.PHONY: i18n
+i18n: $(I18Nmsgs) $(I18Npot)
+
+### Targets:
+
+libvdr-$(PLUGIN).so: $(OBJS)
+	$(CXX) $(CXXFLAGS) $(LDFLAGS) -shared $(OBJS) -o $@
+	@cp --remove-destination $@ $(LIBDIR)/$@.$(APIVERSION)
+
+dist: $(I18Npo) clean
+	@-rm -rf $(TMPDIR)/$(ARCHIVE)
+	@mkdir $(TMPDIR)/$(ARCHIVE)
+	@cp -a * $(TMPDIR)/$(ARCHIVE)
+	@tar czf $(PACKAGE).tgz -C $(TMPDIR) $(ARCHIVE)
+	@-rm -rf $(TMPDIR)/$(ARCHIVE)
+	@echo Distribution package created as $(PACKAGE).tgz
+
+clean:
+	@-rm -f $(OBJS) $(DEPFILE) *.so *.tgz core* *~ $(PODIR)/*.mo $(PODIR)/*.pot
diff --git a/PLUGINS/src/rcu/README b/PLUGINS/src/rcu/README
new file mode 100644
index 00000000..d66729ee
--- /dev/null
+++ b/PLUGINS/src/rcu/README
@@ -0,0 +1,19 @@
+This is a "plugin" for the Video Disk Recorder (VDR).
+
+Written by:                  Klaus Schmidinger <Klaus.Schmidinger@tvdr.de>
+
+Project's homepage:          http://www.tvdr.de/remote.htm
+
+Latest version available at: http://www.tvdr.de
+
+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.
+See the file COPYING for more information.
+
+Description:
+============
+
+The "Remote Control Unit" used to be part of the core VDR source
+code, and has been moved into a separate plugin in version 1.7.25.
diff --git a/PLUGINS/src/rcu/rcu.c b/PLUGINS/src/rcu/rcu.c
new file mode 100644
index 00000000..f0abedde
--- /dev/null
+++ b/PLUGINS/src/rcu/rcu.c
@@ -0,0 +1,420 @@
+/*
+ * rcu.c: A plugin for the Video Disk Recorder
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ * $Id: rcu.c 1.1 2012/02/27 11:49:51 kls Exp $
+ */
+
+#include <getopt.h>
+#include <netinet/in.h>
+#include <termios.h>
+#include <unistd.h>
+#include <vdr/plugin.h>
+#include <vdr/remote.h>
+#include <vdr/status.h>
+#include <vdr/thread.h>
+#include <vdr/tools.h>
+
+static const char *VERSION        = "0.0.1";
+static const char *DESCRIPTION    = "Remote Control Unit";
+
+#define REPEATLIMIT      150 // ms
+#define REPEATDELAY      350 // ms
+#define HANDSHAKETIMEOUT  20 // ms
+#define DEFAULTDEVICE    "/dev/ttyS1"
+
+class cRcuRemote : public cRemote, private cThread, private cStatus {
+private:
+  enum { modeH = 'h', modeB = 'b', modeS = 's' };
+  int f;
+  unsigned char dp, code, mode;
+  int number;
+  unsigned int data;
+  bool receivedCommand;
+  bool SendCommand(unsigned char Cmd);
+  int ReceiveByte(int TimeoutMs = 0);
+  bool SendByteHandshake(unsigned char c);
+  bool SendByte(unsigned char c);
+  bool SendData(unsigned int n);
+  void SetCode(unsigned char Code);
+  void SetMode(unsigned char Mode);
+  void SetNumber(int n, bool Hex = false);
+  void SetPoints(unsigned char Dp, bool On);
+  void SetString(const char *s);
+  bool DetectCode(unsigned char *Code);
+  virtual void Action(void);
+  virtual void ChannelSwitch(const cDevice *Device, int ChannelNumber);
+  virtual void Recording(const cDevice *Device, const char *Name, const char *FileName, bool On);
+public:
+  cRcuRemote(const char *DeviceName);
+  virtual ~cRcuRemote();
+  virtual bool Ready(void);
+  virtual bool Initialize(void);
+  };
+
+cRcuRemote::cRcuRemote(const char *DeviceName)
+:cRemote("RCU")
+,cThread("RCU remote control")
+{
+  dp = 0;
+  mode = modeB;
+  code = 0;
+  number = 0;
+  data = 0;
+  receivedCommand = false;
+  if ((f = open(DeviceName, O_RDWR | O_NONBLOCK)) >= 0) {
+     struct termios t;
+     if (tcgetattr(f, &t) == 0) {
+        cfsetspeed(&t, B9600);
+        cfmakeraw(&t);
+        if (tcsetattr(f, TCSAFLUSH, &t) == 0) {
+           SetNumber(8888);
+           const char *Setup = GetSetup();
+           if (Setup) {
+              code = *Setup;
+              SetCode(code);
+              isyslog("connecting to %s remote control using code %c", Name(), code);
+              }
+           Start();
+           return;
+           }
+        }
+     LOG_ERROR_STR(DeviceName);
+     close(f);
+     }
+  else
+     LOG_ERROR_STR(DeviceName);
+  f = -1;
+}
+
+cRcuRemote::~cRcuRemote()
+{
+  Cancel();
+}
+
+bool cRcuRemote::Ready(void)
+{
+  return f >= 0;
+}
+
+bool cRcuRemote::Initialize(void)
+{
+  if (f >= 0) {
+     unsigned char Code = '0';
+     isyslog("trying codes for %s remote control...", Name());
+     for (;;) {
+         if (DetectCode(&Code)) {
+            code = Code;
+            break;
+            }
+         }
+     isyslog("established connection to %s remote control using code %c", Name(), code);
+     char buffer[16];
+     snprintf(buffer, sizeof(buffer), "%c", code);
+     PutSetup(buffer);
+     return true;
+     }
+  return false;
+}
+
+void cRcuRemote::Action(void)
+{
+#pragma pack(1)
+  union {
+    struct {
+      unsigned short address;
+      unsigned int command;
+      } data;
+    unsigned char raw[6];
+    } buffer;
+#pragma pack()
+
+  time_t LastCodeRefresh = 0;
+  cTimeMs FirstTime;
+  unsigned char LastCode = 0, LastMode = 0;
+  uint64_t LastCommand = ~0; // 0x00 might be a valid command
+  unsigned int LastData = 0;
+  bool repeat = false;
+
+  while (Running() && f >= 0) {
+        if (ReceiveByte(REPEATLIMIT) == 'X') {
+           for (int i = 0; i < 6; i++) {
+               int b = ReceiveByte();
+               if (b >= 0) {
+                  buffer.raw[i] = b;
+                  if (i == 5) {
+                     unsigned short Address = ntohs(buffer.data.address); // the PIC sends bytes in "network order"
+                     uint64_t       Command = ntohl(buffer.data.command);
+                     if (code == 'B' && Address == 0x0000 && Command == 0x00004000)
+                        // Well, well, if it isn't the "d-box"...
+                        // This remote control sends the above command before and after
+                        // each keypress - let's just drop this:
+                        break;
+                     Command |= uint64_t(Address) << 32;
+                     if (Command != LastCommand) {
+                        LastCommand = Command;
+                        repeat = false;
+                        FirstTime.Set();
+                        }
+                     else {
+                        if (FirstTime.Elapsed() < REPEATDELAY)
+                           break; // repeat function kicks in after a short delay
+                        repeat = true;
+                        }
+                     Put(Command, repeat);
+                     receivedCommand = true;
+                     }
+                  }
+               else
+                  break;
+               }
+           }
+        else if (repeat) { // the last one was a repeat, so let's generate a release
+           Put(LastCommand, false, true);
+           repeat = false;
+           LastCommand = ~0;
+           }
+        else {
+           unsigned int d = data;
+           if (d != LastData) {
+              SendData(d);
+              LastData = d;
+              }
+           unsigned char c = code;
+           if (c != LastCode) {
+              SendCommand(c);
+              LastCode = c;
+              }
+           unsigned char m = mode;
+           if (m != LastMode) {
+              SendCommand(m);
+              LastMode = m;
+              }
+           LastCommand = ~0;
+           }
+        if (!repeat && code && time(NULL) - LastCodeRefresh > 60) {
+           SendCommand(code); // in case the PIC listens to the wrong code
+           LastCodeRefresh = time(NULL);
+           }
+        }
+}
+
+int cRcuRemote::ReceiveByte(int TimeoutMs)
+{
+  // Returns the byte if one was received within a timeout, -1 otherwise
+  if (cFile::FileReady(f, TimeoutMs)) {
+     unsigned char b;
+     if (safe_read(f, &b, 1) == 1)
+        return b;
+     else
+        LOG_ERROR;
+     }
+  return -1;
+}
+
+bool cRcuRemote::SendByteHandshake(unsigned char c)
+{
+  if (f >= 0) {
+     int w = write(f, &c, 1);
+     if (w == 1) {
+        for (int reply = ReceiveByte(HANDSHAKETIMEOUT); reply >= 0;) {
+            if (reply == c)
+               return true;
+            else if (reply == 'X') {
+               // skip any incoming RC code - it will come again
+               for (int i = 6; i--;) {
+                   if (ReceiveByte() < 0)
+                      return false;
+                   }
+               }
+            else
+               return false;
+            }
+        }
+     LOG_ERROR;
+     }
+  return false;
+}
+
+bool cRcuRemote::SendByte(unsigned char c)
+{
+  for (int retry = 5; retry--;) {
+      if (SendByteHandshake(c))
+         return true;
+      }
+  return false;
+}
+
+bool cRcuRemote::SendData(unsigned int n)
+{
+  for (int i = 0; i < 4; i++) {
+      if (!SendByte(n & 0x7F))
+         return false;
+      n >>= 8;
+      }
+  return SendCommand(mode);
+}
+
+void cRcuRemote::SetCode(unsigned char Code)
+{
+  code = Code;
+}
+
+void cRcuRemote::SetMode(unsigned char Mode)
+{
+  mode = Mode;
+}
+
+bool cRcuRemote::SendCommand(unsigned char Cmd)
+{
+  return SendByte(Cmd | 0x80);
+}
+
+void cRcuRemote::SetNumber(int n, bool Hex)
+{
+  number = n;
+  if (!Hex) {
+     char buf[8];
+     sprintf(buf, "%4d", n & 0xFFFF);
+     n = 0;
+     for (char *d = buf; *d; d++) {
+         if (*d == ' ')
+            *d = 0xF;
+         n = (n << 4) | ((*d - '0') & 0x0F);
+         }
+     }
+  unsigned int m = 0;
+  for (int i = 0; i < 4; i++) {
+      m <<= 8;
+      m |= ((i & 0x03) << 5) | (n & 0x0F) | (((dp >> i) & 0x01) << 4);
+      n >>= 4;
+      }
+  data = m;
+}
+
+void cRcuRemote::SetString(const char *s)
+{
+  const char *chars = mode == modeH ? "0123456789ABCDEF" : "0123456789-EHLP ";
+  int n = 0;
+
+  for (int i = 0; *s && i < 4; s++, i++) {
+      n <<= 4;
+      for (const char *c = chars; *c; c++) {
+          if (*c == *s) {
+             n |= c - chars;
+             break;
+             }
+          }
+      }
+  SetNumber(n, true);
+}
+
+void cRcuRemote::SetPoints(unsigned char Dp, bool On)
+{
+  if (On)
+     dp |= Dp;
+  else
+     dp &= ~Dp;
+  SetNumber(number);
+}
+
+bool cRcuRemote::DetectCode(unsigned char *Code)
+{
+  // Caller should initialize 'Code' to 0 and call DetectCode()
+  // until it returns true. Whenever DetectCode() returns false
+  // and 'Code' is not 0, the caller can use 'Code' to display
+  // a message like "Trying code '%c'". If false is returned and
+  // 'Code' is 0, all possible codes have been tried and the caller
+  // can either stop calling DetectCode() (and give some error
+  // message), or start all over again.
+  if (*Code < 'A' || *Code > 'D') {
+     *Code = 'A';
+     return false;
+     }
+  if (*Code <= 'D') {
+     SetMode(modeH);
+     char buf[5];
+     sprintf(buf, "C0D%c", *Code);
+     SetString(buf);
+     SetCode(*Code);
+     cCondWait::SleepMs(2 * REPEATDELAY);
+     if (receivedCommand) {
+        SetMode(modeB);
+        SetString("----");
+        return true;
+        }
+     if (*Code < 'D') {
+        (*Code)++;
+        return false;
+        }
+     }
+  *Code = 0;
+  return false;
+}
+
+void cRcuRemote::ChannelSwitch(const cDevice *Device, int ChannelNumber)
+{
+  if (ChannelNumber && Device->IsPrimaryDevice())
+     SetNumber(cDevice::CurrentChannel());
+}
+
+void cRcuRemote::Recording(const cDevice *Device, const char *Name, const char *FileName, bool On)
+{
+  SetPoints(1 << Device->DeviceNumber(), Device->Receiving());
+}
+
+class cPluginRcu : public cPlugin {
+private:
+  // Add any member variables or functions you may need here.
+  const char *device;
+public:
+  cPluginRcu(void);
+  virtual const char *Version(void) { return VERSION; }
+  virtual const char *Description(void) { return DESCRIPTION; }
+  virtual const char *CommandLineHelp(void);
+  virtual bool ProcessArgs(int argc, char *argv[]);
+  virtual bool Start(void);
+  };
+
+cPluginRcu::cPluginRcu(void)
+{
+  // Initialize any member variables here.
+  // DON'T DO ANYTHING ELSE THAT MAY HAVE SIDE EFFECTS, REQUIRE GLOBAL
+  // VDR OBJECTS TO EXIST OR PRODUCE ANY OUTPUT!
+  device = DEFAULTDEVICE;
+}
+
+const char *cPluginRcu::CommandLineHelp(void)
+{
+  // Return a string that describes all known command line options.
+  return "  -d DEV,   --device=DEV   set the device to use (default is " DEFAULTDEVICE ")\n";
+}
+
+bool cPluginRcu::ProcessArgs(int argc, char *argv[])
+{
+  // Implement command line argument processing here if applicable.
+  static struct option long_options[] = {
+       { "dev",      required_argument, NULL, 'd' },
+       { NULL,       no_argument,       NULL,  0  }
+     };
+
+  int c;
+  while ((c = getopt_long(argc, argv, "d:", long_options, NULL)) != -1) {
+        switch (c) {
+          case 'd': device = optarg;
+                    break;
+          default:  return false;
+          }
+        }
+  return true;
+}
+
+bool cPluginRcu::Start(void)
+{
+  // Start any background activities the plugin shall perform.
+  new cRcuRemote(device);
+  return true;
+}
+
+VDRPLUGINCREATOR(cPluginRcu); // Don't touch this!