Cleanup and Enhancement

PamhagenSysCtrl/Helpers/PamhagenPlc.cs

@@ -83,6 +83,14 @@ namespace PamhagenSysCtrl.Helpers {
             };
         }
 
+        public async Task EnsureRunning() {
+            var s = await Plc.StatusRead();
+            if (s.Mode == T1.Mode.RUN || s.Mode == T1.Mode.RUN_F)
+                return;
+            var error = await Plc.ErrorStatusRead();
+            throw new T1Exception($"Interner Fehler: {error} ({(int)error:0000})");
+        }
+
         protected async Task<(ushort RW010, ushort RW011, ushort RW012, ushort RW013, ushort RW014, ushort RW015, ushort RW016)> ReadInputRegisters() {
             var d = await Plc.DataRead("RW010", 7);
             // RW010, RW011, RW012, RW013      Drucksensoren
@@ -93,6 +101,7 @@ namespace PamhagenSysCtrl.Helpers {
         }
 
         public async Task<SensorStates> ReadInputs() {
+            await EnsureRunning();
             var (r1, r2, r3, r4, f1, v, f2) = await ReadInputRegisters();
 
             long pressure = (long)r1 | ((long)r2 << 16) | ((long)r3 << 32) | ((long)r4 << 48);
@@ -149,6 +158,7 @@ namespace PamhagenSysCtrl.Helpers {
         }
 
         public async Task<ActuatorStates> ReadOutputs() {
+            await EnsureRunning();
             var (v1, v2, v3, v4, p1, s1, s2) = await ReadOutputRegisters();
 
             long valves = (long)v1 | ((long)v2 << 16) | ((long)v3 << 32) | ((long)v4 << 48);
@@ -179,6 +189,7 @@ namespace PamhagenSysCtrl.Helpers {
         }
 
         public async Task WriteOutputs(ActuatorStates state) {
+            await EnsureRunning();
             var v1 = (ushort)((state.Valves      ) & 0xFFFF);
             var v2 = (ushort)((state.Valves >> 16) & 0xFFFF);
             var v3 = (ushort)((state.Valves >> 32) & 0xFFFF);