diff options
Diffstat (limited to 'Demos/Host/Incomplete/PrinterHost/ConfigDescriptor.c')
| -rw-r--r-- | Demos/Host/Incomplete/PrinterHost/ConfigDescriptor.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/Demos/Host/Incomplete/PrinterHost/ConfigDescriptor.c b/Demos/Host/Incomplete/PrinterHost/ConfigDescriptor.c deleted file mode 100644 index d4eaff94a..000000000 --- a/Demos/Host/Incomplete/PrinterHost/ConfigDescriptor.c +++ /dev/null @@ -1,152 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2009.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, and distribute this software
- and its documentation for any purpose and without fee is hereby
- granted, 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.
-*/
-
-#include "ConfigDescriptor.h"
-
-uint8_t PrinterInterfaceNumber;
-uint8_t PrinterAltSetting;
-
-
-uint8_t ProcessConfigurationDescriptor(void)
-{
- uint8_t* ConfigDescriptorData;
- uint16_t ConfigDescriptorSize;
- uint8_t ErrorCode;
- uint8_t FoundEndpoints = 0;
-
- /* Get Configuration Descriptor size from the device */
- if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
- return ControlError;
-
- /* Ensure that the Configuration Descriptor isn't too large */
- if (ConfigDescriptorSize > MAX_CONFIG_DESCRIPTOR_SIZE)
- return DescriptorTooLarge;
-
- /* Allocate enough memory for the entire config descriptor */
- ConfigDescriptorData = alloca(ConfigDescriptorSize);
-
- /* Retrieve the entire configuration descriptor into the allocated buffer */
- USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData);
-
- /* Validate returned data - ensure first entry is a configuration header descriptor */
- if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
- return InvalidConfigDataReturned;
-
- /* Get the printer interface from the configuration descriptor */
- if ((ErrorCode = USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
- DComp_NextBidirectionalPrinterInterface)))
- {
- /* Descriptor not found, error out */
- return NoInterfaceFound;
- }
-
- PrinterInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;
- PrinterAltSetting = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).AlternateSetting;
-
- /* Get the IN and OUT data endpoints for the printer interface */
- while (FoundEndpoints != ((1 << PRINTER_DATA_OUT_PIPE) | (1 << PRINTER_DATA_IN_PIPE)))
- {
- /* Fetch the next bulk endpoint from the current printer interface */
- if ((ErrorCode = USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
- DComp_NextInterfaceBulkDataEndpoint)))
- {
- /* Descriptor not found, error out */
- return NoEndpointFound;
- }
-
- USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
-
- /* Check if the endpoint is a bulk IN or bulk OUT endpoint, set appropriate globals */
- if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
- {
- /* Configure the data IN pipe */
- Pipe_ConfigurePipe(PRINTER_DATA_IN_PIPE, EP_TYPE_BULK, PIPE_TOKEN_IN,
- EndpointData->EndpointAddress, EndpointData->EndpointSize,
- PIPE_BANK_SINGLE);
-
- Pipe_SetInfiniteINRequests();
-
- /* Set the flag indicating that the data IN pipe has been found */
- FoundEndpoints |= (1 << PRINTER_DATA_IN_PIPE);
- }
- else
- {
- /* Configure the data OUT pipe */
- Pipe_ConfigurePipe(PRINTER_DATA_OUT_PIPE, EP_TYPE_BULK, PIPE_TOKEN_OUT,
- EndpointData->EndpointAddress, EndpointData->EndpointSize,
- PIPE_BANK_SINGLE);
-
- /* Set the flag indicating that the data OUT pipe has been found */
- FoundEndpoints |= (1 << PRINTER_DATA_OUT_PIPE);
- }
- }
-
- /* Valid data found, return success */
- return SuccessfulConfigRead;
-}
-
-uint8_t DComp_NextBidirectionalPrinterInterface(void* CurrentDescriptor)
-{
- /* PURPOSE: Find next bidirectional protocol printer class interface descriptor */
-
- if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
- {
- /* Check the descriptor class and protocol, break out if correct class/protocol interface found */
- if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == PRINTER_CLASS) &&
- (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == PRINTER_SUBCLASS) &&
- (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == PRINTER_PROTOCOL))
- {
- return DESCRIPTOR_SEARCH_Found;
- }
- }
-
- return DESCRIPTOR_SEARCH_NotFound;
-}
-
-uint8_t DComp_NextInterfaceBulkDataEndpoint(void* CurrentDescriptor)
-{
- /* PURPOSE: Find next interface bulk endpoint descriptor before next interface descriptor */
-
- if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
- {
- uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
- USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
-
- /* Check the endpoint type, break out if correct BULK type endpoint found */
- if (EndpointType == EP_TYPE_BULK)
- return DESCRIPTOR_SEARCH_Found;
- }
- else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
- {
- return DESCRIPTOR_SEARCH_Fail;
- }
-
- return DESCRIPTOR_SEARCH_NotFound;
-}
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