#441 #431 bugfixes to the bugfixes

scada-common/ppm.lua

@@ -155,7 +155,7 @@ local function peri_init(iface)
 
             self.fault_counts[key] = self.fault_counts[key] + 1
 
-            return (function () return ACCESS_FAULT end)
+            return (function () return UNDEFINED_FIELD end)
         end
     }
 
@@ -306,7 +306,7 @@ function ppm.log_mounts()
         log.info(util.c("PPM: had found a ", mount.type, " (", iface, ")"))
     end
 
-    if #ppm_sys.mounts == 0 then
+    if util.table_len(ppm_sys.mounts) == 0 then
         log.warning("PPM: no devices had been found")
     end
 end

scada-common/util.lua

@@ -22,7 +22,7 @@ local t_pack   = table.pack
 local util = {}
 
 -- scada-common version
-util.version = "1.1.17"
+util.version = "1.1.18"
 
 util.TICK_TIME_S = 0.05
 util.TICK_TIME_MS = 50
@@ -284,11 +284,13 @@ function util.cancel_timer(timer) os.cancelTimer(timer) end
 
 --#region PARALLELIZATION
 
--- protected sleep call so we still are in charge of catching termination
----@param t integer seconds
+-- protected sleep call so we still are in charge of catching termination<br>
+-- returns the result of pcall
+---@param t number seconds
+---@return boolean success, any result, any ...
 --- EVENT_CONSUMER: this function consumes events
 ---@diagnostic disable-next-line: undefined-field
-function util.psleep(t) pcall(os.sleep, t) end
+function util.psleep(t) return pcall(os.sleep, t) end
 
 -- no-op to provide a brief pause (1 tick) to yield<br>
 --- EVENT_CONSUMER: this function consumes events