From d269ed2854354e7046c85b700a1633e78aae398f Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Tue, 23 Jun 2015 16:59:56 +0000
Subject: rework PUSBCallbacks initialization

---
 cores/arduino/PluggableUSB.cpp | 28 ++++++++--------------------
 cores/arduino/PluggableUSB.h   | 11 +++++++++--
 2 files changed, 17 insertions(+), 22 deletions(-)

diff --git a/cores/arduino/PluggableUSB.cpp b/cores/arduino/PluggableUSB.cpp
index f59fc67..00f400d 100644
--- a/cores/arduino/PluggableUSB.cpp
+++ b/cores/arduino/PluggableUSB.cpp
@@ -28,12 +28,6 @@
 static u8 lastIf = CDC_ACM_INTERFACE + CDC_INTERFACE_COUNT;
 static u8 lastEp = CDC_FIRST_ENDPOINT + CDC_ENPOINT_COUNT;
 
-class PUSBListNode {
-public:
-	PUSBListNode *next = NULL;
-	PUSBCallbacks cb;
-};
-
 extern u8 _initEndpoints[];
 
 //PUSBCallbacks cbs[MAX_MODULES];
@@ -47,7 +41,7 @@ int8_t PUSB_GetInterface(u8* interfaceNum)
 	int8_t ret = 0;
 	PUSBListNode* node = rootNode;
 	for (u8 i=0; i<modules_count; i++) {
-		ret = node->cb.getInterface(interfaceNum);
+		ret = node->cb->getInterface(interfaceNum);
 		node = node->next;
 	}
 	return ret;
@@ -58,7 +52,7 @@ int8_t PUSB_GetDescriptor(int8_t t)
 	int8_t ret = 0;
 	PUSBListNode* node = rootNode;
 	for (u8 i=0; i<modules_count && ret == 0; i++) {
-		ret = node->cb.getDescriptor(t);
+		ret = node->cb->getDescriptor(t);
 		node = node->next;
 	}
 	return ret;
@@ -69,24 +63,18 @@ bool PUSB_Setup(Setup& setup, u8 j)
 	bool ret = false;
 	PUSBListNode* node = rootNode;
 	for (u8 i=0; i<modules_count && ret == false; i++) {
-		ret = node->cb.setup(setup, j);
+		ret = node->cb->setup(setup, j);
 		node = node->next;
 	}
 	return ret;
 }
 
-int8_t PUSB_AddFunction(PUSBCallbacks *cb, u8* interface) 
+int8_t PUSB_AddFunction(PUSBListNode *node, u8* interface)
 {
 	if (modules_count >= MAX_MODULES) {
 		return 0;
 	}
 
-	PUSBListNode *node = new PUSBListNode;
-
-	node->cb.setup = cb->setup;
-	node->cb.getInterface = cb->getInterface;
-	node->cb.getDescriptor = cb->getDescriptor;
-
 	if (modules_count == 0) {
 		rootNode = node;
 		lastNode = node;
@@ -95,13 +83,13 @@ int8_t PUSB_AddFunction(PUSBCallbacks *cb, u8* interface)
 	}
 
 	*interface = lastIf;
-	lastIf += cb->numInterfaces;
-	for ( u8 i = 0; i< cb->numEndpoints; i++) {
-		_initEndpoints[lastEp] = cb->endpointType[i];
+	lastIf += node->cb->numInterfaces;
+	for ( u8 i = 0; i< node->cb->numEndpoints; i++) {
+		_initEndpoints[lastEp] = node->cb->endpointType[i];
 		lastEp++;
 	}
 	modules_count++;
-	return lastEp - cb->numEndpoints;
+	return lastEp - node->cb->numEndpoints;
 	// restart USB layer???
 }
 
diff --git a/cores/arduino/PluggableUSB.h b/cores/arduino/PluggableUSB.h
index 8e7f5d7..f729deb 100644
--- a/cores/arduino/PluggableUSB.h
+++ b/cores/arduino/PluggableUSB.h
@@ -32,7 +32,7 @@ typedef struct
   int8_t (*getDescriptor)(int8_t t);
   int8_t numEndpoints;
   int8_t numInterfaces;
-  u8 endpointType[];
+  uint8_t *endpointType;
 } PUSBCallbacks;
 
 typedef struct
@@ -41,7 +41,14 @@ typedef struct
   u8 firstEndpoint;
 } PUSBReturn;
 
-int8_t PUSB_AddFunction(PUSBCallbacks *cb, u8 *interface);
+class PUSBListNode {
+public:
+  PUSBListNode *next = NULL;
+  PUSBCallbacks *cb;
+  PUSBListNode(PUSBCallbacks *ncb) {cb = ncb;}
+};
+
+int8_t PUSB_AddFunction(PUSBListNode *node, u8 *interface);
 
 int8_t PUSB_GetInterface(u8* interfaceNum);
 
-- 
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