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130 lines
4.5 KiB
130 lines
4.5 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#include "../../HighLevel/USBMode.h"
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#if defined(USB_CAN_BE_HOST)
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#define INCLUDE_FROM_HID_CLASS_HOST_C
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#include "HID.h"
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#warning The HID Host mode Class driver is currently incomplete and is for preview purposes only.
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uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint16_t ConfigDescriptorSize,
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uint8_t* ConfigDescriptorData)
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{
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uint8_t FoundEndpoints = 0;
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memset(&HIDInterfaceInfo->State, 0x00, sizeof(HIDInterfaceInfo->State));
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if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
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return HID_ENUMERROR_InvalidConfigDescriptor;
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do
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{
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DComp_HID_Host_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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return HID_ENUMERROR_NoHIDInterfaceFound;
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}
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} while (HIDInterfaceInfo->Config.MatchInterfaceProtocol &&
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DESCRIPTOR_PCAST(ConfigDescriptorData,
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USB_Descriptor_Interface_t)->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol);
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while (FoundEndpoints != ((1 << HID_FOUND_DATAPIPE_IN) | (1 << HID_FOUND_DATAPIPE_OUT)))
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{
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if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
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DComp_HID_Host_NextInterfaceHIDDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
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{
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if (FoundEndpoints == (1 << HID_FOUND_DATAPIPE_IN))
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break;
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return HID_ENUMERROR_EndpointsNotFound;
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}
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USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
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if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
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{
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Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
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EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
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FoundEndpoints |= (1 << HID_FOUND_DATAPIPE_IN);
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}
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else
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{
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Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_OUT,
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EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
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FoundEndpoints |= (1 << HID_FOUND_DATAPIPE_OUT);
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}
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}
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return HID_ENUMERROR_NoError;
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}
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static uint8_t DComp_HID_Host_NextHIDInterface(void* CurrentDescriptor)
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{
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
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{
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USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
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USB_Descriptor_Interface_t);
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if (CurrentInterface->Class == HID_INTERFACE_CLASS)
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return DESCRIPTOR_SEARCH_Found;
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}
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return DESCRIPTOR_SEARCH_NotFound;
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}
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static uint8_t DComp_HID_Host_NextInterfaceHIDDataEndpoint(void* CurrentDescriptor)
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{
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if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
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{
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USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
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USB_Descriptor_Endpoint_t);
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if (!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
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return DESCRIPTOR_SEARCH_Found;
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}
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else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
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{
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return DESCRIPTOR_SEARCH_Fail;
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}
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return DESCRIPTOR_SEARCH_NotFound;
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}
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void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo)
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{
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}
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#endif
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