power switch IF improvements

CHANGELOG.md

@@ -12,6 +12,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Use `modetree::connectModeTreeParent` in `PowerSwitcherComponent` to connect mode tree parent.
 
+## Changed
+
+- Rename FW subsystem ID from `PCDU_2` to `POWER_SYSTEM_IF`.
+- Add new `SWITCH_UNKNOWN` returnvalue in `PowerSwitchIF`.
+
 # [v6.0.0]
 
 ## Fixes

src/fsfw/events/fwSubsystemIdRanges.h

@@ -10,7 +10,7 @@ enum : uint8_t {
   CDH = 28,
   TCS_1 = 59,
   PCDU_1 = 42,
-  PCDU_2 = 43,
+  POWER_SWITCH_IF = 43,
   HEATER = 50,
   T_SENSORS = 52,
   FDIR = 70,

src/fsfw/power/Fuse.h

@@ -32,7 +32,7 @@ class Fuse : public SystemObject,
     gp_id_t poolIdPower;
   };
 
-  static const uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::PCDU_1;
+  static const uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::POWER_SWITCH_IF;
   //! PSS detected that current on a fuse is totally out of bounds.
   static const Event FUSE_CURRENT_HIGH = MAKE_EVENT(1, severity::LOW);
   //! PSS detected a fuse that went off.

src/fsfw/power/PowerSwitchIF.h

@@ -28,7 +28,9 @@ class PowerSwitchIF {
   static const ReturnValue_t SWITCH_TIMEOUT = MAKE_RETURN_CODE(2);
   static const ReturnValue_t FUSE_ON = MAKE_RETURN_CODE(3);
   static const ReturnValue_t FUSE_OFF = MAKE_RETURN_CODE(4);
-  static const uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::PCDU_2;
+  static const ReturnValue_t SWITCH_UNKNOWN = MAKE_RETURN_CODE(5);
+
+  static const uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::POWER_SWITCH_IF;
   //!< Someone detected that a switch went off which shouldn't. Severity:
   //!< Low, Parameter1: switchId1, Parameter2: switchId2
   static const Event SWITCH_WENT_OFF = MAKE_EVENT(0, severity::LOW);
@@ -50,6 +52,7 @@ class PowerSwitchIF {
    * @return
    *     - @c SWITCH_ON if the specified switch is on.
    *     - @c SWITCH_OFF if the specified switch is off.
+   *     - @c SWITCH_UNKNOWN if the state of the specified switch is unknown.
    *     - @c returnvalue::FAILED if an error occured
    */
   virtual ReturnValue_t getSwitchState(power::Switch_t switchNr) const = 0;