Merge pull request ninjablocks#11 from rotv/master

Added optional pulse-length argument to RFSniffer and the executables to gitignore

.gitignore

@@ -14,3 +14,9 @@
 *.lai
 *.la
 *.a
+
+# Compiled executables
+RPi_utils/RFSniffer
+RPi_utils/codesend
+RPi_utils/send
+

RPi_utils/RFSniffer.cpp

@@ -1,8 +1,10 @@
 /*
-  RF_Sniffer
-  
+  RFSniffer
+
+  Usage: ./RFSniffer [<pulseLength>]
+  [] = optional
+
   Hacked from http://code.google.com/p/rc-switch/
-  
   by @justy to provide a handy RF code sniffer
 */
 
@@ -22,11 +24,17 @@ int main(int argc, char *argv[]) {
      // for more information.
      int PIN = 2;
 
-     if(wiringPiSetup() == -1)
+     if(wiringPiSetup() == -1) {
+       printf("wiringPiSetup failed, exiting...");
        return 0;
+     }
+
+     int pulseLength = 0;
+     if (argv[1] != NULL) pulseLength = atoi(argv[1]);
 
      mySwitch = RCSwitch();
-     mySwitch.enableReceive(PIN);  // Receiver on inerrupt 0 => that is pin #2
+	 if (pulseLength != 0) mySwitch.setPulseLength(pulseLength);
+     mySwitch.enableReceive(PIN);  // Receiver on interrupt 0 => that is pin #2
 
 
      while(1) {