short: detect frames during copying and correct frequency offset

grc/ieee802_11_ofdm_sync_short.xml

@@ -5,7 +5,7 @@
 	<key>ieee802_11_ofdm_sync_short</key>
 	<category>IEEE802.11</category>
 	<import>import ieee802_11</import>
-	<make>ieee802_11.ofdm_sync_short($threshold, $max_samples, $min_plateau, $log, $debug)</make>
+	<make>ieee802_11.ofdm_sync_short($threshold, $min_plateau, $log, $debug)</make>
 
 	<param>
 		<name>Log</name>
@@ -46,13 +46,6 @@
 		<type>real</type>
 	</param>
 
-	<param>
-		<name>Max Samples</name>
-		<key>max_samples</key>
-		<value>5200</value>
-		<type>int</type>
-	</param>
-
 	<param>
 		<name>Min Plateau</name>
 		<key>min_plateau</key>
@@ -61,7 +54,6 @@
 	</param>
 
 	<check>$threshold > 0</check>
-	<check>$max_samples > 400</check>
 	<check>$min_plateau > 0</check>
 
 	<sink>
@@ -70,6 +62,12 @@
 		<nports>1</nports>
 	</sink>
 
+	<sink>
+		<name>abs</name>
+		<type>complex</type>
+		<nports>1</nports>
+	</sink>
+
 	<sink>
 		<name>cor</name>
 		<type>float</type>