/*\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
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\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
+ Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\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
this software.\r
*/\r
\r
+#define __INCLUDE_FROM_USB_DRIVER\r
#include "ConfigDescriptor.h"\r
\r
#if defined(USB_CAN_BE_HOST)\r
-uint8_t USB_GetDeviceConfigDescriptor(uint16_t* const ConfigSizePtr, void* BufferPtr)\r
+uint8_t USB_Host_GetDeviceConfigDescriptor(uint8_t ConfigNumber, uint16_t* const ConfigSizePtr,\r
+ void* BufferPtr, uint16_t BufferSize)\r
{\r
uint8_t ErrorCode;\r
+ uint8_t ConfigHeader[sizeof(USB_Descriptor_Configuration_Header_t)];\r
\r
USB_ControlRequest = (USB_Request_Header_t)\r
{\r
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),\r
.bRequest = REQ_GetDescriptor,\r
- .wValue = (DTYPE_Configuration << 8),\r
+ .wValue = ((DTYPE_Configuration << 8) | (ConfigNumber - 1)),\r
.wIndex = 0,\r
.wLength = sizeof(USB_Descriptor_Configuration_Header_t),\r
};\r
\r
Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
\r
- if (BufferPtr == NULL)\r
- {\r
- uint8_t ConfigHeader[sizeof(USB_Descriptor_Configuration_Header_t)];\r
+ if ((ErrorCode = USB_Host_SendControlRequest(ConfigHeader)) != HOST_SENDCONTROL_Successful)\r
+ return ErrorCode;\r
\r
- ErrorCode = USB_Host_SendControlRequest(ConfigHeader);\r
+ *ConfigSizePtr = DESCRIPTOR_CAST(ConfigHeader, USB_Descriptor_Configuration_Header_t).TotalConfigurationSize;\r
\r
- #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)\r
- *ConfigSizePtr = DESCRIPTOR_CAST(ConfigHeader, USB_Descriptor_Configuration_Header_t).TotalConfigurationSize;\r
- #else\r
- *ConfigSizePtr = DESCRIPTOR_CAST(ConfigHeader, USB_Descriptor_Configuration_Header_t).wTotalLength; \r
- #endif\r
- }\r
- else\r
- {\r
- USB_ControlRequest.wLength = *ConfigSizePtr;\r
- \r
- ErrorCode = USB_Host_SendControlRequest(BufferPtr); \r
- }\r
+ if (*ConfigSizePtr > BufferSize)\r
+ return HOST_GETCONFIG_BuffOverflow;\r
+ \r
+ USB_ControlRequest.wLength = *ConfigSizePtr;\r
+ \r
+ if ((ErrorCode = USB_Host_SendControlRequest(BufferPtr)) != HOST_SENDCONTROL_Successful)\r
+ return ErrorCode;\r
\r
- return ErrorCode;\r
+ if (DESCRIPTOR_TYPE(BufferPtr) != DTYPE_Configuration)\r
+ return HOST_GETCONFIG_InvalidData;\r
+ \r
+ return HOST_GETCONFIG_Successful;\r
}\r
#endif\r
\r
void USB_GetNextDescriptorOfType(uint16_t* const BytesRem,\r
- uint8_t** const CurrConfigLoc,\r
+ void** const CurrConfigLoc,\r
const uint8_t Type)\r
{\r
while (*BytesRem)\r
}\r
\r
void USB_GetNextDescriptorOfTypeBefore(uint16_t* const BytesRem,\r
- uint8_t** const CurrConfigLoc,\r
+ void** const CurrConfigLoc,\r
const uint8_t Type,\r
const uint8_t BeforeType)\r
{\r
}\r
\r
void USB_GetNextDescriptorOfTypeAfter(uint16_t* const BytesRem,\r
- uint8_t** const CurrConfigLoc,\r
+ void** const CurrConfigLoc,\r
const uint8_t Type,\r
const uint8_t AfterType)\r
{\r
USB_GetNextDescriptorOfType(BytesRem, CurrConfigLoc, Type);\r
}\r
\r
-uint8_t USB_GetNextDescriptorComp(uint16_t* BytesRem, uint8_t** CurrConfigLoc, ConfigComparatorPtr_t ComparatorRoutine)\r
+uint8_t USB_GetNextDescriptorComp(uint16_t* BytesRem, void** CurrConfigLoc, ConfigComparatorPtr_t ComparatorRoutine)\r
{\r
uint8_t ErrorCode;\r
\r