diff --git a/libs/main/io_devices/piusb.h b/libs/main/io_devices/piusb.h
index 839f2382..b6b7ef1f 100644
--- a/libs/main/io_devices/piusb.h
+++ b/libs/main/io_devices/piusb.h
@@ -58,17 +58,18 @@
 #define PIUSB_H
 
 #include "piiodevice.h"
+#include "pip_usb_export.h"
 
 struct usb_dev_handle;
 
-class PIP_EXPORT PIUSB: public PIIODevice {
+class PIP_USB_EXPORT PIUSB: public PIIODevice {
 	PIIODEVICE(PIUSB, "usb");
 
 public:
 	explicit PIUSB(ushort vid = 0, ushort pid = 0);
 	virtual ~PIUSB();
 
-	struct PIP_EXPORT Endpoint {
+	struct PIP_USB_EXPORT Endpoint {
 		Endpoint(uchar a = 0, uchar at = 0, ushort mps = 0) {
 			address         = a;
 			attributes      = at;
@@ -106,52 +107,41 @@ public:
 		ushort max_packet_size;
 		Direction direction;
 		TransferType transfer_type;
-		SynchronisationType synchronisation_type;
-		UsageType usage_type;
+		SynchronisationType synchronisation_type = NoSynchonisation;
+		UsageType usage_type                     = DataEndpoint;
 	};
 
-	struct PIP_EXPORT Interface {
-		Interface() { index = value_to_select = class_code = subclass_code = protocol_code = 0; }
-		uchar index;
-		uchar value_to_select;
-		ushort class_code;
-		ushort subclass_code;
-		ushort protocol_code;
+	struct PIP_USB_EXPORT Interface {
+		uchar index           = 0;
+		uchar value_to_select = 0;
+		ushort class_code     = 0;
+		ushort subclass_code  = 0;
+		ushort protocol_code  = 0;
 		PIVector<PIUSB::Endpoint> endpoints;
 	};
 
-	struct PIP_EXPORT Configuration {
-		Configuration() {
-			index = value_to_select = attributes = max_power = 0;
-			self_powered = remote_wakeup = false;
-		}
-		uchar index;
-		uchar value_to_select;
-		uchar attributes;
-		ushort max_power; // mA
-		bool self_powered;
-		bool remote_wakeup;
+	struct PIP_USB_EXPORT Configuration {
+		uchar index           = 0;
+		uchar value_to_select = 0;
+		uchar attributes      = 0;
+		ushort max_power      = 0; // mA
+		bool self_powered     = false;
+		bool remote_wakeup    = false;
 		PIVector<PIUSB::Interface> interfaces;
 	};
 
-	struct PIP_EXPORT Descriptor {
-		Descriptor() {
-			usb_spec_number = 0;
-			device_class = device_subclass = device_protocol = max_packet_size = 0;
-			id_vendor = id_product = id_device_release = 0;
-			index_manufacturer = index_product = index_serial = 0;
-		}
-		ushort usb_spec_number;
-		uchar device_class;
-		uchar device_subclass;
-		uchar device_protocol;
-		uchar max_packet_size;
-		ushort id_vendor;
-		ushort id_product;
-		ushort id_device_release;
-		uchar index_manufacturer;
-		uchar index_product;
-		uchar index_serial;
+	struct PIP_USB_EXPORT Descriptor {
+		ushort usb_spec_number   = 0;
+		uchar device_class       = 0;
+		uchar device_subclass    = 0;
+		uchar device_protocol    = 0;
+		uchar max_packet_size    = 0;
+		ushort id_vendor         = 0;
+		ushort id_product        = 0;
+		ushort id_device_release = 0;
+		uchar index_manufacturer = 0;
+		uchar index_product      = 0;
+		uchar index_serial       = 0;
 		PIVector<PIUSB::Configuration> configurations;
 	};
 
@@ -173,14 +163,8 @@ public:
 	PIVector<PIUSB::Endpoint> endpointsWrite();
 	PIUSB::Endpoint getEndpointByAddress(uchar address);
 
-	void setVendorID(ushort vid) {
-		vid_ = vid;
-		setPath(PIString::fromNumber(vid_, 16).expandLeftTo(4, '0') + ':' + PIString::fromNumber(pid_, 16).expandLeftTo(4, '0'));
-	}
-	void setProductID(ushort pid) {
-		pid_ = pid;
-		setPath(PIString::fromNumber(vid_, 16).expandLeftTo(4, '0') + ':' + PIString::fromNumber(pid_, 16).expandLeftTo(4, '0'));
-	}
+	void setVendorID(ushort vid);
+	void setProductID(ushort pid);
 
 	bool setConfiguration(uchar value);
 	bool setInterface(uchar value);
@@ -216,6 +200,7 @@ protected:
 	usb_dev_handle * hdev;
 };
 
-PIP_EXPORT PICout operator<<(PICout s, const PIUSB::Endpoint & v);
+PIP_USB_EXPORT PICout operator<<(PICout s, const PIUSB::Endpoint & v);
 
-#endif // PIUSB_H
+
+#endif
diff --git a/libs/usb/piusb.cpp b/libs/usb/piusb.cpp
index 77303714..d3834576 100644
--- a/libs/usb/piusb.cpp
+++ b/libs/usb/piusb.cpp
@@ -40,7 +40,7 @@ PIUSB::PIUSB(ushort vid, ushort pid): PIIODevice("", ReadWrite) {
 	hdev       = 0;
 	timeout_r = timeout_w = 0;
 	interface_claimed     = -1;
-	setPath(PIString::fromNumber(vid_, 16).expandLeftTo(4, "0") + ":" + PIString::fromNumber(pid_, 16).expandLeftTo(4, "0"));
+	setPath(PIString::fromNumber(vid_, 16).expandLeftTo(4, '0') + ":" + PIString::fromNumber(pid_, 16).expandLeftTo(4, '0'));
 	setDeviceNumber(1);
 	setTimeoutRead(1000);
 	setTimeoutWrite(1000);
@@ -53,10 +53,8 @@ PIUSB::~PIUSB() {
 }
 
 void PIUSB::Endpoint::parse() {
-	synchronisation_type = NoSynchonisation;
-	usage_type           = DataEndpoint;
-	direction            = (Direction)((address >> 7) & 1);
-	transfer_type        = (TransferType)(attributes & 3);
+	direction     = (Direction)((address >> 7) & 1);
+	transfer_type = (TransferType)(attributes & 3);
 	if (transfer_type == Isochronous) {
 		synchronisation_type = (SynchronisationType)((attributes >> 2) & 3);
 		usage_type           = (UsageType)((attributes >> 4) & 3);
@@ -71,6 +69,18 @@ PIUSB::Endpoint PIUSB::getEndpointByAddress(uchar address) {
 }
 
 
+void PIUSB::setVendorID(ushort vid) {
+	vid_ = vid;
+	setPath(PIString::fromNumber(vid_, 16).expandLeftTo(4, '0') + ':' + PIString::fromNumber(pid_, 16).expandLeftTo(4, '0'));
+}
+
+
+void PIUSB::setProductID(ushort pid) {
+	pid_ = pid;
+	setPath(PIString::fromNumber(vid_, 16).expandLeftTo(4, '0') + ':' + PIString::fromNumber(pid_, 16).expandLeftTo(4, '0'));
+}
+
+
 PIVector<PIUSB::Endpoint> PIUSB::endpointsRead() {
 	PIVector<Endpoint> ret;
 	piForeachC(Endpoint & i, eps)