Add extra LUFA TAR archive export exclusions.
[pub/USBasp.git] / Demos / Host / LowLevel / VirtualSerialHost / ConfigDescriptor.c
index 611399c..4126d76 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -116,7 +116,7 @@ uint8_t ProcessConfigurationDescriptor(void)
                USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);
 
                /* If the endpoint is a IN type endpoint */
-               if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
+               if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
                {
                        /* Check if the found endpoint is a interrupt or bulk type descriptor */
                        if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
@@ -157,12 +157,16 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Interface)
        {
+               USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
                /* Check the CDC descriptor class, subclass and protocol, break out if correct control interface found */
-               if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == CDC_CSCP_CDCClass)    &&
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CSCP_ACMSubclass) &&
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CSCP_ATCommandProtocol))
+               if ((Interface->Class    == CDC_CSCP_CDCClass)    &&
+                   (Interface->SubClass == CDC_CSCP_ACMSubclass) &&
+                   (Interface->Protocol == CDC_CSCP_ATCommandProtocol))
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
@@ -181,12 +185,16 @@ uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Interface)
        {
+               USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
                /* Check the CDC descriptor class, subclass and protocol, break out if correct data interface found */
-               if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == CDC_CSCP_CDCDataClass)   &&
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CSCP_NoDataSubclass) &&
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CSCP_NoDataProtocol))
+               if ((Interface->Class    == CDC_CSCP_CDCDataClass)   &&
+                   (Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
+                   (Interface->Protocol == CDC_CSCP_NoDataProtocol))
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
@@ -207,15 +215,19 @@ uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextCDCDataInterfaceEndpoint(void* CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Endpoint)
        {
-               uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
-                                                       USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
+               USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
-               if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))
-                 return DESCRIPTOR_SEARCH_Found;
+               if (((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK) ||
+                   ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT))
+               {
+                       return DESCRIPTOR_SEARCH_Found;
+               }
        }
-       else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       else if (Header->Type == DTYPE_Interface)
        {
                return DESCRIPTOR_SEARCH_Fail;
        }