From 4f7057f7b313878f3c81c3986372aad147488890 Mon Sep 17 00:00:00 2001
From: LowPowerLab <flexiboiu@gmail.com>
Date: Wed, 7 Aug 2013 21:44:23 -0400
Subject: [PATCH] Update Gateway.ino

---
 Examples/Gateway/Gateway.ino | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/Examples/Gateway/Gateway.ino b/Examples/Gateway/Gateway.ino
index 98d1d11..4563a8e 100644
--- a/Examples/Gateway/Gateway.ino
+++ b/Examples/Gateway/Gateway.ino
@@ -100,10 +100,10 @@ void loop() {
       {
         Serial.print(" Pinging node ");
         Serial.print(theNodeID);
-        delay(5);
-        radio.send(theNodeID, "ACK TEST", 8, true);
         Serial.print(" - ACK...");
-        if (waitForAck(theNodeID)) Serial.print("ok!");
+        delay(3); //need this when sending right after reception .. ?
+        if (radio.sendWithRetry(theNodeID, "ACK TEST", 8, 0))  // 0 = only 1 attempt, no retries
+          Serial.print("ok!");
         else Serial.print("nothing");
       }
       
@@ -113,20 +113,10 @@ void loop() {
   }
 }
 
-// wait a few milliseconds for proper ACK to me, return true if indeed received
-static bool waitForAck(byte theNodeID) {
-  long now = millis();
-  while (millis() - now <= ACK_TIME) {
-    if (radio.ACKReceived(theNodeID))
-      return true;
-  }
-  return false;
-}
-
 void Blink(byte PIN, int DELAY_MS)
 {
   pinMode(PIN, OUTPUT);
   digitalWrite(PIN,HIGH);
   delay(DELAY_MS);
   digitalWrite(PIN,LOW);
-}
\ No newline at end of file
+}