Replaced TargetIoPortsUpdated event with RegistersWrittenToTarget event

src/Insight/UserInterfaces/InsightWindow/Widgets/TargetWidgets/TargetPackageWidget.cpp

@@ -23,13 +23,9 @@ TargetPackageWidget::TargetPackageWidget(
 
     this->connect(
         &(this->insightWorker),
-        &InsightWorker::targetIoPortsUpdated,
+        &InsightWorker::targetRegistersWritten,
         this,
-        [this] {
-            if (this->targetState == TargetState::STOPPED) {
-                this->refreshPinStates();
-            }
-        }
+        &TargetPackageWidget::onRegistersWritten
     );
 
     this->setDisabled(true);
@@ -81,3 +77,17 @@ void TargetPackageWidget::onTargetStateChanged(TargetState newState) {
         });
     }
 }
+
+void TargetPackageWidget::onRegistersWritten(Targets::TargetRegisters targetRegisters) {
+    if (this->targetState != TargetState::STOPPED) {
+        return;
+    }
+
+    // If a PORT register was just updated, refresh pin states.
+    for (const auto& targetRegister : targetRegisters) {
+        if (targetRegister.descriptor.type == Targets::TargetRegisterType::PORT_REGISTER) {
+            this->refreshPinStates();
+            return;
+        }
+    }
+}

src/Insight/UserInterfaces/InsightWindow/Widgets/TargetWidgets/TargetPackageWidget.hpp

@@ -29,6 +29,7 @@ namespace Bloom::Widgets::InsightTargetWidgets
     protected slots:
         virtual void updatePinStates(const Targets::TargetPinStateMappingType& pinStatesByNumber);
         void onTargetStateChanged(Targets::TargetState newState);
+        void onRegistersWritten(Targets::TargetRegisters targetRegisters);
 
     public:
         TargetPackageWidget(Targets::TargetVariant targetVariant, InsightWorker& insightWorker, QWidget* parent);