Drivers: Decouple from devices

This allows us to better implement alternative drivers
for devices, such as for device sharing servers or
talking to CoreMini processors within the same device.

include/icsneo/platform/posix/pcap.h

@@ -4,6 +4,7 @@
 #ifdef __cplusplus
 
 #include "icsneo/device/neodevice.h"
+#include "icsneo/device/founddevice.h"
 #include "icsneo/communication/driver.h"
 #include "icsneo/communication/ethernetpacketizer.h"
 #include "icsneo/api/eventmanager.h"
@@ -14,33 +15,28 @@ namespace icsneo {
 
 class PCAP : public Driver {
 public:
-	class PCAPFoundDevice {
-	public:
-		neodevice_t device;
-		std::vector<std::vector<uint8_t>> discoveryPackets;
-	};
-
-	static std::vector<PCAPFoundDevice> FindAll();
+	static void Find(std::vector<FoundDevice>& foundDevices);
 	static std::string GetEthDevSerialFromMacAddress(uint8_t product, uint16_t macSerial);
 	static bool IsHandleValid(neodevice_handle_t handle);
 
 	PCAP(device_eventhandler_t err, neodevice_t& forDevice);
-	bool open();
-	bool isOpen();
-	bool close();
+	bool open() override;
+	bool isOpen() override;
+	bool close() override;
+	bool isEthernet() const override { return true; }
 private:
 	char errbuf[PCAP_ERRBUF_SIZE] = { 0 };
 	neodevice_t& device;
 	uint8_t deviceMAC[6];
 	bool openable = true;
 	EthernetPacketizer ethPacketizer;
-	void readTask();
-	void writeTask();
+	void readTask() override;
+	void writeTask() override;
 
 	class NetworkInterface {
 	public:
 		uint8_t uuid;
-		uint8_t macAddress[8];
+		uint8_t macAddress[6];
 		std::string nameFromPCAP;
 		std::string descriptionFromPCAP;
 		std::string fullName;