add tui and persistent targets

include/thermal_controller.h

@@ -5,6 +5,7 @@
 #include "config.h"
 #include "pid_autotuner.h"
 #include "pid_controller.h"
+#include "settings_store.h"
 #include "tuning_store.h"
 
 class ThermalController {
@@ -54,6 +55,12 @@ public:
       Serial.println(F("Loaded learned PID from EEPROM"));
       printTuning();
     }
+
+    SettingsData settings;
+    if (settingsLoad(settings) && settings.targetC >= TARGET_MIN_C &&
+        settings.targetC <= TARGET_MAX_C) {
+      setTarget(settings.targetC, false);
+    }
   }
 
   void applyTuning(const TuningData &data) {
@@ -122,7 +129,7 @@ public:
     return true;
   }
 
-  void setTarget(float targetC) {
+  void setTarget(float targetC, bool persist = true) {
     targetTempC_ = targetC;
     pid_.setSetpoint(targetC);
     pid_.reset();
@@ -134,6 +141,9 @@ public:
       fanIdleOverride_ = false;
     }
     applyFan();
+    if (persist && targetC >= TARGET_MIN_C && targetC <= TARGET_MAX_C) {
+      settingsSaveTarget(targetC);
+    }
   }
 
   void noteSensorMax(float maxTempC) {