Allow errors after some time limit

src/lib/rt/src/rt_io_m_ao_hvao4.c

@@ -39,6 +39,7 @@ typedef struct {
 	pwr_tFloat32	OldValue[IO_MAXCHAN];
 	pwr_tBoolean	OldTestOn[IO_MAXCHAN];
 	int		WriteFirst;
+        pwr_tTime	ErrTime;
 } io_sLocal;
 
 
@@ -182,6 +183,7 @@ static pwr_tStatus IoCardWrite (
   int			fixout;
   pwr_tUInt16		data;
   pwr_tFloat32		rawvalue;
+  pwr_tTime		now;
 
   local = (io_sLocal *) cp->Local;
   op = (pwr_sClass_Ao_HVAO4 *) cp->op;
@@ -245,7 +247,15 @@ static pwr_tStatus IoCardWrite (
         }
 
         /* Increase error count and check error limits */
+	clock_gettime(CLOCK_REALTIME, &now);
+	if ( op->ErrorCount > op->ErrorSoftLimit) {
+	  /* Ignore if some time has expired */
+	  if ( now.tv_sec - local->ErrTime.tv_sec < 600)
 	    op->ErrorCount++;
+	}
+	else
+	  op->ErrorCount++;
+	local->ErrTime = now;
 
         if ( op->ErrorCount == op->ErrorSoftLimit)
           errh_Error( "IO Error soft limit reached on card '%s'", cp->Name);