diff options
Diffstat (limited to 'Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c')
| -rw-r--r-- | Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c b/Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c index 89bf488be..b269820e4 100644 --- a/Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c +++ b/Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c @@ -1,7 +1,7 @@ /* LUFA Library Copyright (C) Dean Camera, 2010. - + dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ @@ -9,13 +9,13 @@ /* Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, distribute, and sell this + 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 + 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 + 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 @@ -49,7 +49,7 @@ uint8_t ProcessConfigurationDescriptor(void) uint8_t ConfigDescriptorData[512]; void* CurrConfigLocation = ConfigDescriptorData; uint16_t CurrConfigBytesRem; - + USB_Descriptor_Interface_t* PrinterInterface = NULL; USB_Descriptor_Endpoint_t* DataINEndpoint = NULL; USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL; @@ -66,7 +66,7 @@ uint8_t ProcessConfigurationDescriptor(void) default: return ControlError; } - + while (!(DataINEndpoint) || !(DataOUTEndpoint)) { /* See if we've found a likely compatible interface, and if there is an endpoint within that interface */ @@ -81,7 +81,7 @@ uint8_t ProcessConfigurationDescriptor(void) /* Descriptor not found, error out */ return NoCompatibleInterfaceFound; } - + /* Save the interface in case we need to refer back to it later */ PrinterInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t); @@ -92,7 +92,7 @@ uint8_t ProcessConfigurationDescriptor(void) /* Skip the remainder of the loop as we have not found an endpoint yet */ continue; } - + /* Retrieve the endpoint address from the endpoint descriptor */ USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t); @@ -102,10 +102,10 @@ uint8_t ProcessConfigurationDescriptor(void) else DataOUTEndpoint = EndpointData; } - + /* Save Printer interface details for later use */ PrinterInterfaceNumber = PrinterInterface->InterfaceNumber; - PrinterAltSetting = PrinterInterface->AlternateSetting; + PrinterAltSetting = PrinterInterface->AlternateSetting; /* Configure the Printer data IN pipe */ Pipe_ConfigurePipe(PRINTER_DATA_IN_PIPE, EP_TYPE_BULK, PIPE_TOKEN_IN, @@ -140,7 +140,7 @@ uint8_t DComp_NextBidirectionalPrinterInterface(void* CurrentDescriptor) return DESCRIPTOR_SEARCH_Found; } } - + return DESCRIPTOR_SEARCH_NotFound; } @@ -171,3 +171,4 @@ uint8_t DComp_NextPrinterInterfaceBulkDataEndpoint(void* CurrentDescriptor) return DESCRIPTOR_SEARCH_NotFound; } + |