X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b37d77eab32d171ad7b28157a924a4026e2aebd1..d4b45e8502a27c0f5ad3e26eabd2b30e84c20bac:/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c diff --git a/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c b/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c index dc2daf9ed..765b325f0 100644 --- a/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c +++ b/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c @@ -1,13 +1,13 @@ /* LUFA Library - Copyright (C) Dean Camera, 2010. + Copyright (C) Dean Camera, 2012. dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* - Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2012 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 @@ -52,7 +52,7 @@ uint8_t ProcessConfigurationDescriptor(void) uint16_t CurrConfigBytesRem; USB_Descriptor_Interface_t* HIDInterface = NULL; - USB_Descriptor_HID_t* HIDDescriptor = NULL; + USB_HID_Descriptor_HID_t* HIDDescriptor = NULL; USB_Descriptor_Endpoint_t* DataINEndpoint = NULL; /* Retrieve the entire configuration descriptor into the allocated buffer */ @@ -95,7 +95,7 @@ uint8_t ProcessConfigurationDescriptor(void) } /* Save the HID descriptor for later use */ - HIDDescriptor = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_HID_t); + HIDDescriptor = DESCRIPTOR_PCAST(CurrConfigLocation, USB_HID_Descriptor_HID_t); /* Skip the remainder of the loop as we have not found an endpoint yet */ continue; @@ -105,7 +105,7 @@ uint8_t ProcessConfigurationDescriptor(void) 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) + if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN) DataINEndpoint = EndpointData; } @@ -131,11 +131,14 @@ uint8_t ProcessConfigurationDescriptor(void) */ uint8_t DComp_NextKeyboardInterface(void* CurrentDescriptor) { - if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) + USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); + + if (Header->Type == DTYPE_Interface) { - /* Check the HID descriptor class and protocol, break out if correct class/protocol interface found */ - if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == KEYBOARD_CLASS) && - (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == KEYBOARD_PROTOCOL)) + USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t); + + /* Check the HID descriptor class, break out if correct class interface found */ + if (Interface->Class == HID_CSCP_HIDClass) { return DESCRIPTOR_SEARCH_Found; } @@ -148,24 +151,21 @@ uint8_t DComp_NextKeyboardInterface(void* CurrentDescriptor) * configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration * descriptor processing if an incompatible descriptor configuration is found. * - * This comparator searches for the next IN Endpoint descriptor inside the current interface descriptor, - * aborting the search if another interface descriptor is found before the required endpoint. + * This comparator searches for the next Endpoint descriptor inside the current interface descriptor, aborting the + * search if another interface descriptor is found before the required endpoint. * * \return A value from the DSEARCH_Return_ErrorCodes_t enum */ uint8_t DComp_NextKeyboardInterfaceDataEndpoint(void* CurrentDescriptor) { - if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint) - { - if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Endpoint_t).EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) - return DESCRIPTOR_SEARCH_Found; - } - else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) - { - return DESCRIPTOR_SEARCH_Fail; - } + USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); - return DESCRIPTOR_SEARCH_NotFound; + if (Header->Type == DTYPE_Endpoint) + return DESCRIPTOR_SEARCH_Found; + else if (Header->Type == DTYPE_Interface) + return DESCRIPTOR_SEARCH_Fail; + else + return DESCRIPTOR_SEARCH_NotFound; } /** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's @@ -178,9 +178,11 @@ uint8_t DComp_NextKeyboardInterfaceDataEndpoint(void* CurrentDescriptor) */ uint8_t DComp_NextHID(void* CurrentDescriptor) { - if (DESCRIPTOR_TYPE(CurrentDescriptor) == HID_DTYPE_HID) + USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); + + if (Header->Type == HID_DTYPE_HID) return DESCRIPTOR_SEARCH_Found; - else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) + else if (Header->Type == DTYPE_Interface) return DESCRIPTOR_SEARCH_Fail; else return DESCRIPTOR_SEARCH_NotFound;