Add FatFS library to the Webserver project, extend the HTTP server so that it now...

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

diff --git a/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c b/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c
index d9fd50f..40397e0 100644 (file)
--- a/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
 /*\r
              LUFA Library\r

-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r

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

-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r

 \r
 \r

-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
+  Permission to use, copy, modify, distribute, and sell this \r
+  software and its documentation for any purpose is hereby granted\r
+  without fee, provided that the above copyright notice appear in \r
+  all copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting \r
+  documentation, and that the name of the author not be used in \r
+  advertising or publicity pertaining to distribution of the \r

   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r


@@ -43,33 +43,29 @@
  *\r
  *  This routine searches for a HID interface descriptor containing at least one Interrupt type IN endpoint and HID descriptor.\r
  *\r
  *\r
  *  This routine searches for a HID interface descriptor containing at least one Interrupt type IN endpoint and HID descriptor.\r
  *\r

- *  \return An error code from the KeyboardHostWithParser_GetConfigDescriptorDataCodes_t enum.\r
+ *  \return An error code from the \ref KeyboardHostWithParser_GetConfigDescriptorDataCodes_t enum.\r

  */\r
 uint8_t ProcessConfigurationDescriptor(void)\r
 {\r
  */\r
 uint8_t ProcessConfigurationDescriptor(void)\r
 {\r

-       uint8_t* ConfigDescriptorData;\r
-       uint16_t ConfigDescriptorSize;\r
-       \r
-       /* Get Configuration Descriptor size from the device */\r
-       if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)\r
-         return ControlError;\r
-       \r
-       /* Ensure that the Configuration Descriptor isn't too large */\r
-       if (ConfigDescriptorSize > MAX_CONFIG_DESCRIPTOR_SIZE)\r
-         return DescriptorTooLarge;\r
-         \r
-       /* Allocate enough memory for the entire config descriptor */\r
-       ConfigDescriptorData = alloca(ConfigDescriptorSize);\r
+       uint8_t  ConfigDescriptorData[512];\r
+       void*    CurrConfigLocation = ConfigDescriptorData;\r
+       uint16_t CurrConfigBytesRem;\r

 \r
        /* Retrieve the entire configuration descriptor into the allocated buffer */\r
 \r
        /* Retrieve the entire configuration descriptor into the allocated buffer */\r

-       USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData);\r
-       \r
-       /* Validate returned data - ensure first entry is a configuration header descriptor */\r
-       if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)\r
-         return InvalidConfigDataReturned;\r
+       switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))\r
+       {\r
+               case HOST_GETCONFIG_Successful:\r
+                       break;\r
+               case HOST_GETCONFIG_InvalidData:\r
+                       return InvalidConfigDataReturned;\r
+               case HOST_GETCONFIG_BuffOverflow:\r
+                       return DescriptorTooLarge;\r
+               default:\r
+                       return ControlError;\r
+       }\r

        \r
        /* Get the keyboard interface from the configuration descriptor */\r
        \r
        /* Get the keyboard interface from the configuration descriptor */\r

-       if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
+       if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,\r

                                      DComp_NextKeyboardInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
        {\r
                /* Descriptor not found, error out */\r
                                      DComp_NextKeyboardInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
        {\r
                /* Descriptor not found, error out */\r


@@ -77,7 +73,7 @@ uint8_t ProcessConfigurationDescriptor(void)
        }\r
        \r
        /* Get the keyboard interface's HID descriptor */\r
        }\r
        \r
        /* Get the keyboard interface's HID descriptor */\r

-       if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
+       if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,\r

                                      DComp_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)\r
        {\r
                /* Descriptor not found, error out */\r
                                      DComp_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)\r
        {\r
                /* Descriptor not found, error out */\r


@@ -85,18 +81,18 @@ uint8_t ProcessConfigurationDescriptor(void)
        }\r
 \r
        /* Save the HID report size for later use */\r
        }\r
 \r
        /* Save the HID report size for later use */\r

-       HIDReportSize = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_HID_t).HIDReportLength;\r
+       HIDReportSize = DESCRIPTOR_CAST(CurrConfigLocation, USB_Descriptor_HID_t).HIDReportLength;\r

 \r
        /* Get the keyboard interface's data endpoint descriptor */\r
 \r
        /* Get the keyboard interface's data endpoint descriptor */\r

-       if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
-                                     DComp_NextInterfaceKeyboardDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
+       if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,\r
+                                     DComp_NextKeyboardInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r

        {\r
                /* Descriptor not found, error out */\r
                return NoEndpointFound;\r
        }\r
        \r
        /* Retrieve the endpoint address from the endpoint descriptor */\r
        {\r
                /* Descriptor not found, error out */\r
                return NoEndpointFound;\r
        }\r
        \r
        /* Retrieve the endpoint address from the endpoint descriptor */\r

-       USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);\r
+       USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);\r

 \r
        /* Configure the keyboard data pipe */\r
        Pipe_ConfigurePipe(KEYBOARD_DATAPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,\r
 \r
        /* Configure the keyboard data pipe */\r
        Pipe_ConfigurePipe(KEYBOARD_DATAPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,\r


@@ -138,7 +134,7 @@ uint8_t DComp_NextKeyboardInterface(void* CurrentDescriptor)
  *\r
  *  \return A value from the DSEARCH_Return_ErrorCodes_t enum\r
  */\r
  *\r
  *  \return A value from the DSEARCH_Return_ErrorCodes_t enum\r
  */\r

-uint8_t DComp_NextInterfaceKeyboardDataEndpoint(void* CurrentDescriptor)\r
+uint8_t DComp_NextKeyboardInterfaceDataEndpoint(void* CurrentDescriptor)\r

 {\r
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)\r
        {\r
 {\r
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)\r
        {\r