From 1e519b1bf31135a93044418bc12bf0f03b0542cd Mon Sep 17 00:00:00 2001
From: Rafi Khan <zetoslab@gmail.com>
Date: Thu, 23 Jul 2015 19:39:46 -0600
Subject: [PATCH] added isIdle Method for receiving, #48

---
 IRremote.h                         | 1 +
 examples/IRsendDemo/IRsendDemo.ino | 9 ++++-----
 irRecv.cpp                         | 7 +++++++
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/IRremote.h b/IRremote.h
index 3a64fed..da93648 100644
--- a/IRremote.h
+++ b/IRremote.h
@@ -172,6 +172,7 @@ class IRrecv
 		void  blink13    (int blinkflag) ;
 		int   decode     (decode_results *results) ;
 		void  enableIRIn ( ) ;
+    bool  isIdle     ( ) ;
 		void  resume     ( ) ;
 
 	private:
diff --git a/examples/IRsendDemo/IRsendDemo.ino b/examples/IRsendDemo/IRsendDemo.ino
index e3772ed..80e37f2 100644
--- a/examples/IRsendDemo/IRsendDemo.ino
+++ b/examples/IRsendDemo/IRsendDemo.ino
@@ -8,15 +8,14 @@
 
 #include <IRremote.h>
 
-IRsend irsend;
+IRrecv irrecv;
 
 void setup()
 {
+  Serial.begin(115200);
 }
 
 void loop() {
-    for (int i = 0; i < 3; i++) {
-      irsend.sendSony(0xa90, 12); // Sony TV power code
-      delay(40);
-    }
+  if (irrecv.isIdle())
+  Serial.println("Idling");
 }
diff --git a/irRecv.cpp b/irRecv.cpp
index 4614020..a6fafe2 100644
--- a/irRecv.cpp
+++ b/irRecv.cpp
@@ -133,6 +133,13 @@ void  IRrecv::blink13 (int blinkflag)
 	if (blinkflag)  pinMode(BLINKLED, OUTPUT) ;
 }
 
+//+=============================================================================
+// Return if receiving new IR signals
+// 
+bool  IRrecv::isIdle ( ) 
+{
+  return (irparams.rcvstate == STATE_IDLE || irparams.rcvstate == STATE_STOP) ? true : false;
+}
 //+=============================================================================
 // Restart the ISR state machine
 //