added posibility to send raw data

RCSwitch.cpp

@@ -528,6 +528,59 @@ void RCSwitch::send(unsigned long code, unsigned int length) {
 #endif
 }
 
+/**
+ * Use a file storing raw data to transmit codes with unknown protocols.
+ * Each line of the file stores the length of a high (odd linenumber) or a low (even linenumber) pulse in ms
+ */
+void RCSwitch::sendraw(const char* sFilename) {
+  int i=0;
+  int j;
+  int high, low;
+  FILE *file;
+  int array_l[1000];
+  int array_h[1000];
+
+  if (this->nTransmitterPin == -1)
+    return;
+#if not defined( RCSwitchDisableReceiving )
+  // make sure the receiver is disabled while we transmit
+  int nReceiverInterrupt_backup = nReceiverInterrupt;
+  if (nReceiverInterrupt_backup != -1) {
+    this->disableReceive();
+  }
+#endif
+
+  file=fopen(sFilename,"r");
+  if(file==NULL){
+    printf("%s not read", sFilename);
+    return;
+  }
+
+  while (fscanf (file, "%d\n%d\n",&high, &low)>0)
+  {
+    array_h[i]=high;
+    array_l[i]=low;
+    i++;
+  }
+
+  for(j=0; j<=i; j++){
+    digitalWrite(this->nTransmitterPin, HIGH);
+    delayMicroseconds( array_h[j]);
+    digitalWrite(this->nTransmitterPin, LOW);
+    delayMicroseconds( array_l[j]);
+  }
+
+  // Disable transmit after sending (i.e., for inverted protocols)
+  digitalWrite(this->nTransmitterPin, LOW);
+
+#if not defined( RCSwitchDisableReceiving )
+  // enable receiver again if we just disabled it
+  if (nReceiverInterrupt_backup != -1) {
+    this->enableReceive(nReceiverInterrupt_backup);
+  }
+#endif
+}
+
 /**
  * Transmit a single high-low pulse.
  */

RCSwitch.h

@@ -79,6 +79,7 @@ class RCSwitch {
     void sendTriState(const char* sCodeWord);
     void send(unsigned long code, unsigned int length);
     void send(const char* sCodeWord);
+    void sendraw(const char* sFilename);
 
     #if not defined( RCSwitchDisableReceiving )
     void enableReceive(int interrupt);