mmu: Add CheckErrorScreenUserInput

Due to differences in 8-bit FW I had to implement two new get functions

* GetCommandInProgress
* GetLastErrorCode

Firmware/mmu2.cpp

@@ -191,12 +191,7 @@ void MMU2::mmu_loop() {
 
 void __attribute__((noinline)) MMU2::mmu_loop_inner(bool reportErrors) {
     logicStepLastStatus = LogicStep(reportErrors); // it looks like the mmu_loop doesn't need to be a blocking call
-
-    if (isErrorScreenRunning()) {
-        // Call this every iteration to keep the knob rotation responsive
-        // This includes when mmu_loop is called within manage_response
-        ReportErrorHook((CommandInProgress)logic.CommandInProgress(), lastErrorCode, uint8_t(lastErrorSource));
-    }
+    CheckErrorScreenUserInput();
 }
 
 void MMU2::CheckFINDARunout() {

Firmware/mmu2.h

@@ -160,9 +160,15 @@ public:
     /// @returns Current error code
     inline ErrorCode MMUCurrentErrorCode() const { return logic.Error(); }
 
+    /// @returns Command in progress
+    inline uint8_t GetCommandInProgress() const { return logic.CommandInProgress(); }
+
     /// @returns Last error source
     inline ErrorSource MMULastErrorSource() const { return lastErrorSource; }
 
+    /// @returns Last error code
+    inline ErrorCode GetLastErrorCode() const { return lastErrorCode; }
+
     /// @returns the version of the connected MMU FW.
     /// In the future we'll return the trully detected FW version
     Version GetMMUFWVersion() const {

Firmware/mmu2_reporting.cpp

@@ -221,6 +221,14 @@ static bool is_mmu_error_monitor_active;
 // Set to false to allow the error screen to render again.
 static bool putErrorScreenToSleep;
 
+void CheckErrorScreenUserInput() {
+    if (isErrorScreenRunning()) {
+        // Call this every iteration to keep the knob rotation responsive
+        // This includes when mmu_loop is called within manage_response
+        ReportErrorHook((CommandInProgress)mmu2.GetCommandInProgress(), mmu2.GetLastErrorCode(), mmu2.MMULastErrorSource());
+    }
+}
+
 bool isErrorScreenRunning() {
     return is_mmu_error_monitor_active;
 }

Firmware/mmu2_reporting.h

@@ -29,6 +29,9 @@ void BeginReport(CommandInProgress cip, ProgressCode ec);
 /// Called at the end of every MMU operation
 void EndReport(CommandInProgress cip, ProgressCode ec);
 
+/// Checks for error screen user input, if the error screen is open
+void CheckErrorScreenUserInput();
+
 /// Return true if the printer's LCD is drawing the error screen
 bool isErrorScreenRunning();