Fix an issue where the FIRE could not be opened

device/device.cpp

@@ -168,6 +168,14 @@ bool Device::open() {
 		return false;
 	}
 
+	if(!afterCommunicationOpen()) {
+		// Very unlikely, at the time of writing this only fails if rawWrite does.
+		// If you're looking for this error, you're probably looking for if(!serial) below.
+		report(APIEvent::Type::NoSerialNumber, APIEvent::Severity::Error); // Communication could not be established with the device. Perhaps it is not powered with 12 volts?
+		com->close();
+		return false;
+	}
+
 	auto serial = com->getSerialNumberSync();
 	int i = 0;
 	while(!serial) {

include/icsneo/device/device.h

@@ -166,6 +166,10 @@ protected:
 
 	virtual void setupExtensions() {}
 	void addExtension(std::shared_ptr<DeviceExtension>&& extension);
+
+	// Hook for devices such as FIRE which need to inject traffic before RequestSerialNumber
+	// Return false to bail
+	virtual bool afterCommunicationOpen() { return true; }
 	
 	template<typename Extension>
 	std::shared_ptr<Extension> getExtension() const {

include/icsneo/device/tree/neovifire/neovifire.h

@@ -45,18 +45,12 @@ public:
 		Bootloader = 'B'
 	};
 
-	bool open() override {
-		if(!com)
-			return false;
-
-		if(!com->open())
+	bool afterCommunicationOpen() override {
+		if(!Device::afterCommunicationOpen()) // Doesn't do anything right now but just in case it gets added to later
 			return false;
 
 		// Enter mode is only needed on very old FIRE devices (white board), will be ignored by newer devices
-		if(!enterMode(Mode::Application))
-			return false;
-
-		return Device::open();
+		return enterMode(Mode::Application);
 	}
 
 	bool enterMode(Mode mode) {