Fix "grep: Version.h: No such file or directory" error when including the core LUFA...
[pub/USBasp.git] / Demos / Host / LowLevel / PrinterHost / ConfigDescriptor.c
index 89bf488..73d7fe1 100644 (file)
@@ -1,24 +1,24 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
-              
+     Copyright (C) Dean Camera, 2013.
+
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2013  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
-  Permission to use, copy, modify, distribute, and sell this 
+  Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
-  without fee, provided that the above copyright notice appear in 
+  without fee, provided that the above copyright notice appear in
   all copies and that both that the copyright notice and this
-  permission notice and warranty disclaimer appear in supporting 
-  documentation, and that the name of the author not be used in 
-  advertising or publicity pertaining to distribution of the 
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
-  The author disclaim all warranties with regard to this
+  The author disclaims all warranties with regard to this
   software, including all implied warranties of merchantability
   and fitness.  In no event shall the author be liable for any
   special, indirect or consequential damages or any damages
@@ -49,7 +49,7 @@ uint8_t ProcessConfigurationDescriptor(void)
        uint8_t  ConfigDescriptorData[512];
        void*    CurrConfigLocation = ConfigDescriptorData;
        uint16_t CurrConfigBytesRem;
-       
+
        USB_Descriptor_Interface_t* PrinterInterface = NULL;
        USB_Descriptor_Endpoint_t*  DataINEndpoint   = NULL;
        USB_Descriptor_Endpoint_t*  DataOUTEndpoint  = NULL;
@@ -66,7 +66,7 @@ uint8_t ProcessConfigurationDescriptor(void)
                default:
                        return ControlError;
        }
-       
+
        while (!(DataINEndpoint) || !(DataOUTEndpoint))
        {
                /* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
@@ -81,7 +81,7 @@ uint8_t ProcessConfigurationDescriptor(void)
                                /* Descriptor not found, error out */
                                return NoCompatibleInterfaceFound;
                        }
-                       
+
                        /* Save the interface in case we need to refer back to it later */
                        PrinterInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
 
@@ -92,28 +92,26 @@ uint8_t ProcessConfigurationDescriptor(void)
                        /* Skip the remainder of the loop as we have not found an endpoint yet */
                        continue;
                }
-               
+
                /* Retrieve the endpoint address from the endpoint descriptor */
                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)
                  DataINEndpoint  = EndpointData;
                else
                  DataOUTEndpoint = EndpointData;
        }
-       
+
        /* Save Printer interface details for later use */
        PrinterInterfaceNumber = PrinterInterface->InterfaceNumber;
-       PrinterAltSetting      = PrinterInterface->AlternateSetting;                    
+       PrinterAltSetting      = PrinterInterface->AlternateSetting;
 
        /* Configure the Printer data IN pipe */
-       Pipe_ConfigurePipe(PRINTER_DATA_IN_PIPE, EP_TYPE_BULK, PIPE_TOKEN_IN,
-                          DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, PIPE_BANK_SINGLE);
+       Pipe_ConfigurePipe(PRINTER_DATA_IN_PIPE, EP_TYPE_BULK, DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, 1);
 
        /* Configure the Printer data OUT pipe */
-       Pipe_ConfigurePipe(PRINTER_DATA_OUT_PIPE, EP_TYPE_BULK, PIPE_TOKEN_OUT,
-                                          DataOUTEndpoint->EndpointAddress, DataOUTEndpoint->EndpointSize, PIPE_BANK_SINGLE);
+       Pipe_ConfigurePipe(PRINTER_DATA_OUT_PIPE, EP_TYPE_BULK, DataOUTEndpoint->EndpointAddress, DataOUTEndpoint->EndpointSize, 1);
 
        /* Valid data found, return success */
        return SuccessfulConfigRead;
@@ -130,17 +128,21 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextBidirectionalPrinterInterface(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)
        {
-               /* Check the descriptor class and protocol, break out if correct class/protocol interface found */
-               if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == PRINTER_CLASS)    &&
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == PRINTER_SUBCLASS) &&
-                       (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == PRINTER_PROTOCOL))
+               USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
+               /* Check the descriptor class, subclass and protocol, break out if correct value interface found */
+               if ((Interface->Class    == PRNT_CSCP_PrinterClass)    &&
+                   (Interface->SubClass == PRNT_CSCP_PrinterSubclass) &&
+                       (Interface->Protocol == PRNT_CSCP_BidirectionalProtocol))
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
-       
+
        return DESCRIPTOR_SEARCH_NotFound;
 }
 
@@ -155,19 +157,21 @@ uint8_t DComp_NextBidirectionalPrinterInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextPrinterInterfaceBulkDataEndpoint(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);
 
                /* Check the endpoint type, break out if correct BULK type endpoint found */
-               if (EndpointType == EP_TYPE_BULK)
+               if ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK)
                  return DESCRIPTOR_SEARCH_Found;
        }
-       else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       else if (Header->Type == DTYPE_Interface)
        {
                return DESCRIPTOR_SEARCH_Fail;
        }
 
        return DESCRIPTOR_SEARCH_NotFound;
 }
+