New ScreenPanel

script/DiagChannels.py

@@ -0,0 +1,42 @@
+diag_channels = []
+diag_channels.append(out)       
+
+def get_diag_name(diag):
+    return ch.psi.utils.Str.toTitleCase(diag.getName()).replace(" ", "")
+    
+def print_diag():
+    for f in diag_channels:
+        print "%-25s  %s" % (get_diag_name(f) ,  str(f.read()))
+
+def create_diag_datasets(parent = None):
+    if parent is None: 
+        parent = get_exec_pars().group
+    group = parent + "attrs/"
+    for f in diag_channels:
+        create_dataset(group+get_diag_name(f) , 's' if (type(f) is ch.psi.pshell.epics.ChannelString) else 'd')
+
+def append_diag_datasets(parent = None):
+    if parent is None: 
+        parent = get_exec_pars().group
+    group = parent + "attrs/"
+    for f in diag_channels:
+        try:
+            x = f.read()
+            if x is None:
+                x = '' if (type(f) is ch.psi.pshell.epics.ChannelString) else float('nan')
+            append_dataset(group+get_diag_name(f), x)
+        except:
+            log("Error sampling " + str(get_diag_name(f)) + ": " + str(sys.exc_info()[1]))
+
+
+
+def after_readout(rec):
+    if get_exec_pars().persist:
+        if rec.index == 0:
+            create_diag_datasets()
+        append_diag_datasets()
+
+
+
+
+a= lscan(inp, (arr), 0, 40, 10, 0.2, after_read=after_readout)