-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\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
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\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_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) | (ConfigNumber - 1)),\r
- .wIndex = 0,\r
- .wLength = sizeof(USB_Descriptor_Configuration_Header_t),\r
- };\r
- \r
- Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-\r
- if ((ErrorCode = USB_Host_SendControlRequest(ConfigHeader)) != HOST_SENDCONTROL_Successful)\r
- return ErrorCode;\r
-\r
- *ConfigSizePtr = DESCRIPTOR_CAST(ConfigHeader, USB_Descriptor_Configuration_Header_t).TotalConfigurationSize;\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
- 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
- void** const CurrConfigLoc,\r
- const uint8_t Type)\r
-{\r
- while (*BytesRem)\r
- {\r
- USB_GetNextDescriptor(BytesRem, CurrConfigLoc); \r
-\r
- if (DESCRIPTOR_TYPE(*CurrConfigLoc) == Type)\r
- return;\r
- }\r
-}\r
-\r
-void USB_GetNextDescriptorOfTypeBefore(uint16_t* const BytesRem,\r
- void** const CurrConfigLoc,\r
- const uint8_t Type,\r
- const uint8_t BeforeType)\r
-{\r
- while (*BytesRem)\r
- {\r
- USB_GetNextDescriptor(BytesRem, CurrConfigLoc);\r
-\r
- if (DESCRIPTOR_TYPE(*CurrConfigLoc) == Type)\r
- {\r
- return;\r
- }\r
- else if (DESCRIPTOR_TYPE(*CurrConfigLoc) == BeforeType)\r
- {\r
- *BytesRem = 0;\r
- return;\r
- }\r
- }\r
-}\r
-\r
-void USB_GetNextDescriptorOfTypeAfter(uint16_t* const BytesRem,\r
- void** const CurrConfigLoc,\r
- const uint8_t Type,\r
- const uint8_t AfterType)\r
-{\r
- USB_GetNextDescriptorOfType(BytesRem, CurrConfigLoc, AfterType);\r
- \r
- if (*BytesRem)\r
- USB_GetNextDescriptorOfType(BytesRem, CurrConfigLoc, Type);\r
-}\r
- \r
-uint8_t USB_GetNextDescriptorComp(uint16_t* BytesRem, void** CurrConfigLoc, ConfigComparatorPtr_t ComparatorRoutine)\r
-{\r
- uint8_t ErrorCode;\r
- \r
- while (*BytesRem)\r
- {\r
- uint8_t* PrevDescLoc = *CurrConfigLoc;\r
- uint16_t PrevBytesRem = *BytesRem;\r
-\r
- USB_GetNextDescriptor(BytesRem, CurrConfigLoc);\r
-\r
- if ((ErrorCode = ComparatorRoutine(*CurrConfigLoc)) != DESCRIPTOR_SEARCH_NotFound)\r
- {\r
- if (ErrorCode == DESCRIPTOR_SEARCH_Fail)\r
- {\r
- *CurrConfigLoc = PrevDescLoc;\r
- *BytesRem = PrevBytesRem;\r
- }\r
- \r
- return ErrorCode;\r
- }\r
- }\r
- \r
- return DESCRIPTOR_SEARCH_COMP_EndOfDescriptor;\r
-}\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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
+ 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
+ software without specific, written prior permission.
+
+ The author disclaim 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
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+#define __INCLUDE_FROM_USB_DRIVER
+#include "ConfigDescriptor.h"
+
+#if defined(USB_CAN_BE_HOST)
+uint8_t USB_Host_GetDeviceConfigDescriptor(uint8_t ConfigNumber, uint16_t* const ConfigSizePtr,
+ void* BufferPtr, uint16_t BufferSize)
+{
+ uint8_t ErrorCode;
+ uint8_t ConfigHeader[sizeof(USB_Descriptor_Configuration_Header_t)];
+
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),
+ .bRequest = REQ_GetDescriptor,
+ .wValue = ((DTYPE_Configuration << 8) | (ConfigNumber - 1)),
+ .wIndex = 0,
+ .wLength = sizeof(USB_Descriptor_Configuration_Header_t),
+ };
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+ if ((ErrorCode = USB_Host_SendControlRequest(ConfigHeader)) != HOST_SENDCONTROL_Successful)
+ return ErrorCode;
+
+ *ConfigSizePtr = DESCRIPTOR_CAST(ConfigHeader, USB_Descriptor_Configuration_Header_t).TotalConfigurationSize;
+
+ if (*ConfigSizePtr > BufferSize)
+ return HOST_GETCONFIG_BuffOverflow;
+
+ USB_ControlRequest.wLength = *ConfigSizePtr;
+
+ if ((ErrorCode = USB_Host_SendControlRequest(BufferPtr)) != HOST_SENDCONTROL_Successful)
+ return ErrorCode;
+
+ if (DESCRIPTOR_TYPE(BufferPtr) != DTYPE_Configuration)
+ return HOST_GETCONFIG_InvalidData;
+
+ return HOST_GETCONFIG_Successful;
+}
+#endif
+
+void USB_GetNextDescriptorOfType(uint16_t* const BytesRem,
+ void** const CurrConfigLoc,
+ const uint8_t Type)
+{
+ while (*BytesRem)
+ {
+ USB_GetNextDescriptor(BytesRem, CurrConfigLoc);
+
+ if (DESCRIPTOR_TYPE(*CurrConfigLoc) == Type)
+ return;
+ }
+}
+
+void USB_GetNextDescriptorOfTypeBefore(uint16_t* const BytesRem,
+ void** const CurrConfigLoc,
+ const uint8_t Type,
+ const uint8_t BeforeType)
+{
+ while (*BytesRem)
+ {
+ USB_GetNextDescriptor(BytesRem, CurrConfigLoc);
+
+ if (DESCRIPTOR_TYPE(*CurrConfigLoc) == Type)
+ {
+ return;
+ }
+ else if (DESCRIPTOR_TYPE(*CurrConfigLoc) == BeforeType)
+ {
+ *BytesRem = 0;
+ return;
+ }
+ }
+}
+
+void USB_GetNextDescriptorOfTypeAfter(uint16_t* const BytesRem,
+ void** const CurrConfigLoc,
+ const uint8_t Type,
+ const uint8_t AfterType)
+{
+ USB_GetNextDescriptorOfType(BytesRem, CurrConfigLoc, AfterType);
+
+ if (*BytesRem)
+ USB_GetNextDescriptorOfType(BytesRem, CurrConfigLoc, Type);
+}
+
+uint8_t USB_GetNextDescriptorComp(uint16_t* BytesRem, void** CurrConfigLoc, ConfigComparatorPtr_t ComparatorRoutine)
+{
+ uint8_t ErrorCode;
+
+ while (*BytesRem)
+ {
+ uint8_t* PrevDescLoc = *CurrConfigLoc;
+ uint16_t PrevBytesRem = *BytesRem;
+
+ USB_GetNextDescriptor(BytesRem, CurrConfigLoc);
+
+ if ((ErrorCode = ComparatorRoutine(*CurrConfigLoc)) != DESCRIPTOR_SEARCH_NotFound)
+ {
+ if (ErrorCode == DESCRIPTOR_SEARCH_Fail)
+ {
+ *CurrConfigLoc = PrevDescLoc;
+ *BytesRem = PrevBytesRem;
+ }
+
+ return ErrorCode;
+ }
+ }
+
+ return DESCRIPTOR_SEARCH_COMP_EndOfDescriptor;
+}
projects / pub / USBasp.git / blobdiff