3 files changed, 15 insertions, 13 deletions
diff --git a/cores/arduino/PluggableUSB.cpp b/cores/arduino/PluggableUSB.cpp
index 9597adc..9dc334e 100644
--- a/cores/arduino/PluggableUSB.cpp
+++ b/cores/arduino/PluggableUSB.cpp
@@ -35,7 +35,7 @@ static u8 modules_count = 0;
 
 static PUSBListNode* rootNode = NULL;
 
-int PUSB_GetInterface(u8* interfaceNum)
+int PluggableUSB_::getInterface(u8* interfaceNum)
 {
 	int ret = 0;
 	PUSBListNode* node = rootNode;
@@ -46,7 +46,7 @@ int PUSB_GetInterface(u8* interfaceNum)
 	return ret;
 }
 
-int PUSB_GetDescriptor(int8_t t)
+int PluggableUSB_::getDescriptor(int8_t t)
 {
 	int ret = 0;
 	PUSBListNode* node = rootNode;
@@ -57,7 +57,7 @@ int PUSB_GetDescriptor(int8_t t)
 	return ret;
 }
 
-bool PUSB_Setup(USBSetup& setup, u8 j)
+bool PluggableUSB_::setup(USBSetup& setup, u8 j)
 {
 	bool ret = false;
 	PUSBListNode* node = rootNode;
@@ -68,7 +68,7 @@ bool PUSB_Setup(USBSetup& setup, u8 j)
 	return ret;
 }
 
-int8_t PUSB_AddFunction(PUSBListNode *node, u8* interface)
+int8_t PluggableUSB_::addFunction(PUSBListNode *node, u8* interface)
 {
 	if (modules_count >= MAX_MODULES) {
 		return 0;
diff --git a/cores/arduino/PluggableUSB.h b/cores/arduino/PluggableUSB.h
index 9210d7c..dcd9e25 100644
--- a/cores/arduino/PluggableUSB.h
+++ b/cores/arduino/PluggableUSB.h
@@ -39,13 +39,15 @@ public:
   PUSBListNode *next = NULL;
 };
 
-int8_t PUSB_AddFunction(PUSBListNode *node, u8 *interface);
-
-int PUSB_GetInterface(u8* interfaceNum);
-
-int PUSB_GetDescriptor(int8_t t);
+class PluggableUSB_ {
+public:
+  static int8_t addFunction(PUSBListNode *node, u8 *interface);
+  static int getInterface(u8* interfaceNum);
+  static int getDescriptor(int8_t t);
+  static bool setup(USBSetup& setup, u8 i);
+};
 
-bool PUSB_Setup(USBSetup& setup, u8 i);
+extern PluggableUSB_ PluggableUSB;
 
 #endif
 
diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp
index 733a178..f96ff27 100644
--- a/cores/arduino/USBCore.cpp
+++ b/cores/arduino/USBCore.cpp
@@ -367,7 +367,7 @@ bool ClassInterfaceRequest(USBSetup& setup)
 		return CDC_Setup(setup);
 
 #ifdef PLUGGABLE_USB_ENABLED
-	return PUSB_Setup(setup, i);
+	return PluggableUSB.setup(setup, i);
 #endif
 	return false;
 }
@@ -445,7 +445,7 @@ static u8 SendInterfaces()
 	CDC_GetInterface(&interfaces);
 
 #ifdef PLUGGABLE_USB_ENABLED
-	PUSB_GetInterface(&interfaces);
+	PluggableUSB.getInterface(&interfaces);
 #endif
 
 	return interfaces;
@@ -481,7 +481,7 @@ bool SendDescriptor(USBSetup& setup)
 
 	InitControl(setup.wLength);
 #ifdef PLUGGABLE_USB_ENABLED
-	ret = PUSB_GetDescriptor(t);
+	ret = PluggableUSB.getDescriptor(t);
 	if (ret != 0) {
 		return (ret > 0 ? true : false);
 	}