Changeset 408

Timestamp:

07/30/09 22:42:42 (15 years ago)

Author:

trnewman

Message:

Added exception so code defaults to random channel selection if cross import fails.

Files:

• vtcross/trunk/src/cognitive_engines/DSA_CE/examples/gnuradio-examples/benchmark_dsa.py (modified) (4 diffs)

vtcross/trunk/src/cognitive_engines/DSA_CE/examples/gnuradio-examples/benchmark_dsa.py

@@ -14 +14 @@
 from receive_path import receive_path
 
-# import cross
-from cross import *
-
+
+
+try:
+    from cross import *
+    cross_import = True
+except ImportError:
+    cross_import = False
 
 global sync_status,mode,ch,traffic_flag,n_rcvd, n_right
@@ -82 +86 @@
 
                 if cross == True:
- 
                         if hop_freq == 462562500:
                                 channel = 1
@@ -257 +260 @@
 
         if options_rx.cross == True:
-                print "[[ Using the CROSS DSA Cognitive Engine ]]\n"
+                if cross_import == False:
+                        print "\n\n[[ CROSS Import failed..  Defaulting to RANDOM channel selection ]]"
+                        print "[[ Using the RANDOM channel selection algorithm ]]\n\n"
+                        options_rx.cross = False
+                else:
+                        print "[[ Using the CROSS DSA Cognitive Engine ]]"
         else:
-                print "[[ Using the RANDOM channel selection algorithm ]]\n"
+                print "[[ Using the RANDOM channel selection algorithm ]]\n\n"
                 
         # build the graph
@@ -278 +286 @@
         hop_freq = options_tx.tx_freq #  = options_rx.rx_freq...same for tx and rx side
         
-
         # Scan all channels first for inital data
         time.sleep(0.1)