Uses atomic booleans for thread safety

Replaces mutex with atomic booleans in DixonNodeState for improved thread safety. This eliminates the need for explicit locking in the connected_ and brainRunning_ accessors, reducing overhead and potential for deadlocks.

Updates version file.

src/RobotNode/DixonNodeState.cpp

@@ -8,24 +8,20 @@ DixonNodeState& DixonNodeState::instance()
 
 void DixonNodeState::setConnected(bool value)
 {
-    std::lock_guard<std::mutex> lock(mutex_);
     connected_ = value;
 }
 
 bool DixonNodeState::isConnected() const
 {
-    std::lock_guard<std::mutex> lock(mutex_);
     return connected_;
 }
 
 void DixonNodeState::setBrainRunning(bool value)
 {
-    std::lock_guard<std::mutex> lock(mutex_);
     brainRunning_ = value;
 }
 
 bool DixonNodeState::isBrainRunning() const
 {
-    std::lock_guard<std::mutex> lock(mutex_);
     return brainRunning_;
 }

src/RobotNode/DixonNodeState.h

@@ -1,5 +1,5 @@
 #pragma once
-#include <mutex>
+#include<atomic>
 
 class DixonNodeState
 {
@@ -21,7 +21,6 @@ private:
     DixonNodeState() = default;
     ~DixonNodeState() = default;
 
-    mutable std::mutex mutex_;
-    bool connected_ = false;
-    bool brainRunning_ = false;
+    std::atomic<bool> connected_ = false;
+    std::atomic<bool> brainRunning_ = false;
 };

src/RobotNode/version.txt

@@ -1 +1 @@
-1.0.10
+1.0.12