fix hfflow config

+ ccu4: make unused valves invisible

tcl/drivers/ccu4.tcl

@@ -382,12 +382,19 @@ proc stdConfig::ccu4 {{title CCU4} args} {
         node ax upd
         node axs upd
         node axd upd -int
-      } elseif {$a eq "valve"} {
+      } elseif {[string match valve* $a]} {
+        set nvalve [string range $a 5 end]
         for {set ch 1} {$ch <= 12} {incr ch} {
           node v$ch upd
           prop enum valve_off,valve_on,no_valve,timeout,timeout1,boost
+          if {$ch > $nvalve} {
+            prop visible false
+          }
           node vc$ch out -int
           prop enum valve_off,valve_on
+          if {$ch > $nvalve} {
+            prop visible false
+          }
         }
       } elseif {$a ne "multiHe"} {
         error "ERROR: unknown argument '$a' to ccu4"