livoxProto1:Device: Spinlock guard heartbeat stop() for races

commonLibs/livoxProto1/device.h

@@ -17,6 +17,7 @@
 #include <boost/asio/posix/stream_descriptor.hpp>
 #include "protocol.h"
 #include <callback.h>
+#include <spinLock.h>
 
 // Custom hash function for std::pair<uint8_t, uint8_t>
 namespace std {
@@ -162,6 +163,7 @@ public:
 	// Heartbeat state
 	std::unique_ptr<boost::asio::deadline_timer> heartbeatTimer;
 	std::atomic<bool> heartbeatActive;
+	smo::SpinLock heartbeatActiveLock;
 
 	// Point cloud data state
 	std::atomic<bool> pcloudDataActive;