HID: Renamed fields in HIDDescriptorListNode and HID_Descriptor

In particular HIDDescriptorListNode.cb has been renamed to
HIDDescriptorListNode.descriptor because it contains decriptor data
and not callbacks.

Moreover the HID_Descriptor.descriptor field has been renamed
to HID_Descriptor.data so the structure has now two fields length
and data.

   typedef struct __attribute__((packed)) {
     uint16_t length;
     const void* data;
   } HID_Descriptor;

   class HIDDescriptorListNode {
   public:
     HIDDescriptorListNode *next = NULL;
     const HID_Descriptor *descriptor;
     HIDDescriptorListNode(const HID_Descriptor *d) : descriptor(d) { }
   };

This imply a change in the use of the node from:

  node->cb->lenght
  node->cd->descriptor

to

  node->descriptor->length
  node->descriptor->data

Author: cmaglie

libraries/HID/HID.cpp

@@ -68,7 +68,7 @@ int HID_GetDescriptor(int8_t t)
 		HIDDescriptorListNode* current = rootNode;
 		int total = 0;
 		while(current != NULL) {
-			total += USBD_SendControl(0,current->cb->descriptor,current->cb->length);
+			total += USBD_SendControl(0,current->descriptor->data,current->descriptor->length);
 			current = current->next;
 		}
 		return total;
@@ -89,7 +89,7 @@ void HID_::AppendDescriptor(HIDDescriptorListNode *node)
 		current->next = node;
 	}
 	modules_count++;
-	sizeof_hidReportDescriptor += node->cb->length;
+	sizeof_hidReportDescriptor += node->descriptor->length;
 }
 
 void HID_::SendReport(uint8_t id, const void* data, int len)
@@ -165,4 +165,4 @@ HID_::HID_(void)
 int HID_::begin(void)
 {
 	return 0;
-}
+}

libraries/HID/HID.h

@@ -44,14 +44,14 @@
 
 typedef struct __attribute__((packed)) {
   uint8_t length;
-  const void* descriptor;
+  const void* data;
 } HID_Descriptor;
 
 class HIDDescriptorListNode {
 public:
   HIDDescriptorListNode *next = NULL;
-  const HID_Descriptor * cb;
-  HIDDescriptorListNode(const HID_Descriptor *ncb) {cb = ncb;}
+  const HID_Descriptor *descriptor;
+  HIDDescriptorListNode(const HID_Descriptor *d) : descriptor(d) { }
 };
 
 class HID_
@@ -90,4 +90,4 @@ typedef struct
 
 #define WEAK __attribute__ ((weak))
 
-#endif
+#endif