POSIX: STM32: Check re-enumeration by inode

This is much more stable than waiting for a set amount of time
We still timeout at 5s, if we see that being hit it can be increased

include/icsneo/platform/posix/stm32.h

@@ -6,7 +6,9 @@
 #include "icsneo/communication/driver.h"
 #include "icsneo/device/neodevice.h"
 #include "icsneo/api/eventmanager.h"
+#include "icsneo/platform/optional.h"
 #include <chrono>
+#include <sys/stat.h>
 #include <stdint.h>
 
 namespace icsneo {
@@ -37,6 +39,7 @@ public:
 private:
 	neodevice_t& device;
 	int fd = -1;
+	optional<ino_t> disallowedInode;
 	std::atomic<bool> modeChanging{false};
 	std::thread modeChangeThread;
 	std::mutex modeChangeMutex;