Oops - fix broken SPI driver due to missing bit inversion on a port mask.

[pub/USBasp.git] / Demos / Host / LowLevel / MouseHost / ConfigDescriptor.c

diff --git a/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c b/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c
index 816c233..83e0c53 100644 (file)
--- a/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c
@@ -1,7 +1,7 @@
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.

-              
+

   dean [at] fourwalledcubicle [dot] com
       www.fourwalledcubicle.com
 */
   dean [at] fourwalledcubicle [dot] com
       www.fourwalledcubicle.com
 */


@@ -9,13 +9,13 @@
 /*
   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
 /*
   Copyright 2010  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
   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
   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
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this


@@ -51,6 +51,9 @@ uint8_t ProcessConfigurationDescriptor(void)
        void*    CurrConfigLocation = ConfigDescriptorData;
        uint16_t CurrConfigBytesRem;
 
        void*    CurrConfigLocation = ConfigDescriptorData;
        uint16_t CurrConfigBytesRem;
 

+       USB_Descriptor_Interface_t* HIDInterface   = NULL;
+       USB_Descriptor_Endpoint_t*  DataINEndpoint = NULL;
+

        /* Retrieve the entire configuration descriptor into the allocated buffer */
        switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
        {
        /* Retrieve the entire configuration descriptor into the allocated buffer */
        switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
        {


@@ -63,29 +66,41 @@ uint8_t ProcessConfigurationDescriptor(void)
                default:
                        return ControlError;
        }
                default:
                        return ControlError;
        }

-       
-       /* Get the mouse interface from the configuration descriptor */
-       if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-                                     DComp_NextMouseInterface) != DESCRIPTOR_SEARCH_COMP_Found)
-       {
-               /* Descriptor not found, error out */
-               return NoHIDInterfaceFound;
-       }

 
 

-       /* Get the mouse interface's data endpoint descriptor */
-       if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
-                                     DComp_NextMouseInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+       while (!(DataINEndpoint))

        {
        {

-               /* Descriptor not found, error out */
-               return NoEndpointFound;
+               /* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
+               if (!(HIDInterface) ||
+                   USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
+                                             DComp_NextMouseInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+               {
+                       /* Get the next HID interface from the configuration descriptor */
+                       if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
+                                                                                 DComp_NextMouseInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+                       {
+                               /* Descriptor not found, error out */
+                               return NoCompatibleInterfaceFound;
+                       }
+
+                       /* Save the interface in case we need to refer back to it later */
+                       HIDInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
+
+                       /* 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)
+                 DataINEndpoint = EndpointData;

        }
        }

-       
-       /* Retrieve the endpoint address from the endpoint descriptor */
-       USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);

 
 

-       /* Configure the mouse data pipe */
-       Pipe_ConfigurePipe(MOUSE_DATAPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
-                          EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
+       /* Configure the HID data IN pipe */
+       Pipe_ConfigurePipe(MOUSE_DATA_IN_PIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
+                          DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, PIPE_BANK_SINGLE);
+       Pipe_SetInterruptPeriod(DataINEndpoint->PollingIntervalMS);

 
        /* Valid data found, return success */
        return SuccessfulConfigRead;
 
        /* Valid data found, return success */
        return SuccessfulConfigRead;


@@ -112,7 +127,7 @@ uint8_t DComp_NextMouseInterface(void* CurrentDescriptor)
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
                        return DESCRIPTOR_SEARCH_Found;
                }
        }

-       
+

        /* Current descriptor does not match what this comparator is looking for */
        return DESCRIPTOR_SEARCH_NotFound;
 }
        /* Current descriptor does not match what this comparator is looking for */
        return DESCRIPTOR_SEARCH_NotFound;
 }


@@ -147,3 +162,4 @@ uint8_t DComp_NextMouseInterfaceDataEndpoint(void* CurrentDescriptor)
        /* Current descriptor does not match what this comparator is looking for */
        return DESCRIPTOR_SEARCH_NotFound;
 }
        /* Current descriptor does not match what this comparator is looking for */
        return DESCRIPTOR_SEARCH_NotFound;
 }

+