1 files changed, 84 insertions, 0 deletions
diff --git a/lirc.c b/lirc.c
new file mode 100644
index 00000000..f120743b
--- /dev/null
+++ b/lirc.c
@@ -0,0 +1,84 @@
+/*
+ * lirc.c: LIRC remote control
+ *
+ * See the main source file 'vdr.c' for copyright information and
+ * how to reach the author.
+ *
+ * LIRC support added by Carsten Koch <Carsten.Koch@icem.de>  2000-06-16.
+ *
+ * $Id: lirc.c 1.1 2002/09/29 13:16:33 kls Exp $
+ */
+
+#include "lirc.h"
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#define REPEATLIMIT  20 // ms
+#define REPEATDELAY 350 // ms
+
+cLircRemote::cLircRemote(char *DeviceName)
+:cRemote("LIRC")
+{
+  struct sockaddr_un addr;
+  addr.sun_family = AF_UNIX;
+  strcpy(addr.sun_path, DeviceName);
+  if ((f = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0) {
+     if (connect(f, (struct sockaddr *)&addr, sizeof(addr)) >= 0) {
+        Start();
+        return;
+        }
+     LOG_ERROR_STR(DeviceName);
+     close(f);
+     }
+  else
+     LOG_ERROR_STR(DeviceName);
+  f = -1;
+}
+
+cLircRemote::~cLircRemote()
+{
+  Cancel();
+}
+
+void cLircRemote::Action(void)
+{
+  dsyslog("LIRC remote control thread started (pid=%d)", getpid());
+
+  int FirstTime = 0;
+  int LastTime = 0;
+  char buf[LIRC_BUFFER_SIZE];
+  char LastKeyName[LIRC_KEY_BUF] = "";
+  bool repeat = false;
+
+  for (; f >= 0;) {
+
+      LOCK_THREAD;
+
+      if (cFile::FileReady(f, REPEATLIMIT) && safe_read(f, buf, sizeof(buf)) > 21) {
+         int count;
+         char KeyName[LIRC_KEY_BUF];
+         sscanf(buf, "%*x %x %29s", &count, KeyName); // '29' in '%29s' is LIRC_KEY_BUF-1!
+         int Now = time_ms();
+         if (count == 0) {
+            strcpy(LastKeyName, KeyName);
+            repeat = false;
+            FirstTime = Now;
+            }
+         else {
+            if (Now - FirstTime < REPEATDELAY)
+               continue; // repeat function kicks in after a short delay
+            repeat = true;
+            }
+         LastTime = Now;
+         Put(KeyName, repeat);
+         }
+      else if (repeat) { // the last one was a repeat, so let's generate a release
+         if (time_ms() - LastTime > REPEATDELAY) {
+            Put(LastKeyName, false, true);
+            repeat = false;
+            *LastKeyName = 0;
+            }
+         }
+      }
+}