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Fixed LowLevel JoystickHostWithParser demo not saving the chosen HID interface's report descriptor size. 

Simplified low level Host demo configuration descriptor parser routines.
This commit is contained in:
Dean Camera 2010-10-01 12:01:54 +00:00
parent d36c96d6a5
commit c8942ef469
15 changed files with 175 additions and 217 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
Demos/Host/LowLevel/GenericHIDHost/ConfigDescriptor.c
View File

@ -51,8 +51,9 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Interface_t* HIDInterface = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -66,19 +67,12 @@ uint8_t ProcessConfigurationDescriptor(void)
default:
return ControlError;
}
/* Get the first HID interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
/* Get the next HID interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(HIDInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextHIDInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Not all HID devices have an OUT endpoint - if we've reached the end of the HID descriptor
@ -86,9 +80,6 @@ uint8_t ProcessConfigurationDescriptor(void)
if (DataINEndpoint)
break;
/* Clear any found endpoints */
DataOUTEndpoint = NULL;
/* Get the next HID interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)
@ -97,6 +88,12 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
HIDInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Clear any found endpoints */
DataOUTEndpoint = NULL;
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
}

36
Demos/Host/LowLevel/JoystickHostWithParser/ConfigDescriptor.c
View File

@ -51,7 +51,9 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Interface_t* HIDInterface = NULL;
USB_Descriptor_HID_t* HIDDescriptor = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -65,19 +67,12 @@ uint8_t ProcessConfigurationDescriptor(void)
default:
return ControlError;
}
/* Get the first HID interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextJoystickInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
while (!(DataINEndpoint))
{
/* Get the next HID interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(HIDInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextJoystickInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Get the next HID interface from the configuration descriptor */
@ -88,6 +83,20 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
HIDInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Get the HID descriptor from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
/* Save the HID descriptor for later use */
HIDDescriptor = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_HID_t);
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
}
@ -104,7 +113,10 @@ uint8_t ProcessConfigurationDescriptor(void)
Pipe_ConfigurePipe(JOYSTICK_DATA_IN_PIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, PIPE_BANK_SINGLE);
Pipe_SetInterruptPeriod(DataINEndpoint->PollingIntervalMS);
/* Get the HID report size from the HID report descriptor */
HIDReportSize = HIDDescriptor->HIDReportLength;
/* Valid data found, return success */
return SuccessfulConfigRead;
}

19
Demos/Host/LowLevel/KeyboardHost/ConfigDescriptor.c
View File

@ -51,7 +51,8 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Interface_t* HIDInterface = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -66,18 +67,11 @@ uint8_t ProcessConfigurationDescriptor(void)
return ControlError;
}
/* Get the first HID interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextKeyboardInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
while (!(DataINEndpoint))
{
/* Get the next HID interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(HIDInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextKeyboardInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Get the next HID interface from the configuration descriptor */
@ -88,6 +82,9 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
HIDInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
}

40
Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c
View File

@ -51,7 +51,9 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Interface_t* HIDInterface = NULL;
USB_Descriptor_HID_t* HIDDescriptor = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -65,30 +67,12 @@ uint8_t ProcessConfigurationDescriptor(void)
default:
return ControlError;
}
/* Get the first HID interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextKeyboardInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
/* Get the HID descriptor from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
/* Save the HID report size for later use */
HIDReportSize = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_HID_t)->HIDReportLength;
while (!(DataINEndpoint))
{
/* Get the next HID interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(HIDInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextKeyboardInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Get the next HID interface from the configuration descriptor */
@ -99,6 +83,9 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
HIDInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Get the HID descriptor from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)
@ -107,9 +94,9 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the HID report size for later use */
HIDReportSize = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_HID_t)->HIDReportLength;
/* Save the HID descriptor for later use */
HIDDescriptor = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_HID_t);
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
}
@ -127,6 +114,9 @@ uint8_t ProcessConfigurationDescriptor(void)
DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, PIPE_BANK_SINGLE);
Pipe_SetInterruptPeriod(DataINEndpoint->PollingIntervalMS);
/* Get the HID report size from the HID report descriptor */
HIDReportSize = HIDDescriptor->HIDReportLength;
/* Valid data found, return success */
return SuccessfulConfigRead;
}

31
Demos/Host/LowLevel/MIDIHost/ConfigDescriptor.c
View File

@ -51,8 +51,9 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Interface_t* MIDIInterface = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -67,24 +68,13 @@ uint8_t ProcessConfigurationDescriptor(void)
return ControlError;
}
/* Get the first MIDI interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextMIDIStreamingInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
/* Get the next MIDI interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(MIDIInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Clear any found endpoints */
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
/* Get the next Mass Storage interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextMIDIStreamingInterface) != DESCRIPTOR_SEARCH_COMP_Found)
@ -93,6 +83,13 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
MIDIInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Clear any found endpoints */
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
}
@ -102,7 +99,7 @@ uint8_t ProcessConfigurationDescriptor(void)
/* If the endpoint is a IN type endpoint */
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
DataINEndpoint = EndpointData;
DataINEndpoint = EndpointData;
else
DataOUTEndpoint = EndpointData;
}

31
Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c
View File

@ -51,8 +51,9 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Interface_t* MSInterface = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -66,25 +67,14 @@ uint8_t ProcessConfigurationDescriptor(void)
default:
return ControlError;
}
/* Get the first Mass Storage interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextMSInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
/* Get the next Mass Storage interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(MSInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextMSInterfaceBulkDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Clear any found endpoints */
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
/* Get the next Mass Storage interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextMSInterface) != DESCRIPTOR_SEARCH_COMP_Found)
@ -93,6 +83,13 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
MSInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Clear any found endpoints */
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
}
@ -102,7 +99,7 @@ uint8_t ProcessConfigurationDescriptor(void)
/* If the endpoint is a IN type endpoint */
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
DataINEndpoint = EndpointData;
DataINEndpoint = EndpointData;
else
DataOUTEndpoint = EndpointData;
}

19
Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c
View File

@ -51,7 +51,8 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Interface_t* HIDInterface = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -65,19 +66,12 @@ uint8_t ProcessConfigurationDescriptor(void)
default:
return ControlError;
}
/* Get the first HID interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextMouseInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
while (!(DataINEndpoint))
{
/* Get the next HID interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(HIDInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextMouseInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Get the next HID interface from the configuration descriptor */
@ -88,6 +82,9 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
HIDInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
}

40
Demos/Host/LowLevel/MouseHostWithParser/ConfigDescriptor.c
View File

@ -51,7 +51,9 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Interface_t* HIDInterface = NULL;
USB_Descriptor_HID_t* HIDDescriptor = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -66,29 +68,11 @@ uint8_t ProcessConfigurationDescriptor(void)
return ControlError;
}
/* Get the first HID interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextMouseInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
/* Get the HID descriptor from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
/* Save the HID report size for later use */
HIDReportSize = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_HID_t)->HIDReportLength;
while (!(DataINEndpoint))
{
/* Get the next HID interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(HIDInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextMouseInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Get the next HID interface from the configuration descriptor */
@ -99,6 +83,9 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
HIDInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Get the HID descriptor from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)
@ -107,9 +94,9 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the HID report size for later use */
HIDReportSize = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_HID_t)->HIDReportLength;
/* Save the HID descriptor for later use */
HIDDescriptor = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_HID_t);
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
}
@ -127,6 +114,9 @@ uint8_t ProcessConfigurationDescriptor(void)
DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, PIPE_BANK_SINGLE);
Pipe_SetInterruptPeriod(DataINEndpoint->PollingIntervalMS);
/* Get the HID report size from the HID report descriptor */
HIDReportSize = HIDDescriptor->HIDReportLength;
/* Valid data found, return success */
return SuccessfulConfigRead;
}

39
Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c
View File

@ -50,8 +50,9 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Interface_t* PrinterInterface = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -66,28 +67,13 @@ uint8_t ProcessConfigurationDescriptor(void)
return ControlError;
}
/* Get the first Printer interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextBidirectionalPrinterInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
/* Save Printer interface details for later use */
PrinterInterfaceNumber = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t)->InterfaceNumber;
PrinterAltSetting = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t)->AlternateSetting;
while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
/* Get the next Printer interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(PrinterInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextPrinterInterfaceBulkDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Clear any found endpoints */
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
/* Get the next Printer interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextBidirectionalPrinterInterface) != DESCRIPTOR_SEARCH_COMP_Found)
@ -96,9 +82,12 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save Printer interface details for later use */
PrinterInterfaceNumber = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t)->InterfaceNumber;
PrinterAltSetting = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t)->AlternateSetting;
/* Save the interface in case we need to refer back to it later */
PrinterInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Clear any found endpoints */
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
@ -114,6 +103,10 @@ uint8_t ProcessConfigurationDescriptor(void)
DataOUTEndpoint = EndpointData;
}
/* Save Printer interface details for later use */
PrinterInterfaceNumber = PrinterInterface->InterfaceNumber;
PrinterAltSetting = PrinterInterface->AlternateSetting;
/* Configure the Printer data IN pipe */
Pipe_ConfigurePipe(PRINTER_DATA_IN_PIPE, EP_TYPE_BULK, PIPE_TOKEN_IN,
DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, PIPE_BANK_SINGLE);

23
Demos/Host/LowLevel/RNDISEthernetHost/ConfigDescriptor.c
View File

@ -51,9 +51,10 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
USB_Descriptor_Interface_t* RNDISControlInterface = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -67,19 +68,12 @@ uint8_t ProcessConfigurationDescriptor(void)
default:
return ControlError;
}
/* Get the first RNDIS control interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint))
{
/* Get the next RNDIS interface's endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(RNDISControlInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextCDCDataInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Check if we have already found the control interface's notification endpoint or not */
@ -107,6 +101,9 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
RNDISControlInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Clear any found endpoints */
NotificationEndpoint = NULL;
}

33
Demos/Host/LowLevel/StillImageHost/ConfigDescriptor.c
View File

@ -51,9 +51,10 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* EventsEndpoint = NULL;
USB_Descriptor_Interface_t* StillImageInterface = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* EventsEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -67,26 +68,14 @@ uint8_t ProcessConfigurationDescriptor(void)
default:
return ControlError;
}
/* Get the first Still Image interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextStillImageInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
/* Get the next Still Image interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(StillImageInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextStillImageInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Clear any found endpoints */
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
EventsEndpoint = NULL;
/* Get the next Still Image interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextStillImageInterface) != DESCRIPTOR_SEARCH_COMP_Found)
@ -95,6 +84,14 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
StillImageInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Clear any found endpoints */
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
EventsEndpoint = NULL;
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
}

23
Demos/Host/LowLevel/VirtualSerialHost/ConfigDescriptor.c
View File

@ -51,9 +51,10 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
USB_Descriptor_Interface_t* CDCControlInterface = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -67,19 +68,12 @@ uint8_t ProcessConfigurationDescriptor(void)
default:
return ControlError;
}
/* Get the first CDC control interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint))
{
/* Get the next CDC interface's endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(CDCControlInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextCDCDataInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Check if we have already found the control interface's notification endpoint or not */
@ -107,6 +101,9 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
CDCControlInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Clear any found endpoints */
NotificationEndpoint = NULL;
}

2
LUFA/Drivers/USB/Class/Host/MIDI.c
View File

@ -72,7 +72,7 @@ uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceI
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
DataINEndpoint = EndpointData;
DataINEndpoint = EndpointData;
else
DataOUTEndpoint = EndpointData;
}

2
LUFA/Drivers/USB/Class/Host/MassStorage.c
View File

@ -72,7 +72,7 @@ uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
DataINEndpoint = EndpointData;
DataINEndpoint = EndpointData;
else
DataOUTEndpoint = EndpointData;
}

27
Projects/MissileLauncher/ConfigDescriptor.c
View File

@ -51,8 +51,9 @@ uint8_t ProcessConfigurationDescriptor(void)
void* CurrConfigLocation = ConfigDescriptorData;
uint16_t CurrConfigBytesRem;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Interface_t* HIDInterface = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
/* Retrieve the entire configuration descriptor into the allocated buffer */
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
@ -66,19 +67,12 @@ uint8_t ProcessConfigurationDescriptor(void)
default:
return ControlError;
}
/* Get the first HID interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
}
while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
/* Get the next HID interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
/* See if we've found a likely compatible interface, and if there is an endpoint within that interface */
if (!(HIDInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextHIDInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Not all HID devices have an OUT endpoint - if we've reached the end of the HID descriptor
@ -86,9 +80,6 @@ uint8_t ProcessConfigurationDescriptor(void)
if (DataINEndpoint)
break;
/* Clear any found endpoints */
DataOUTEndpoint = NULL;
/* Get the next HID interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)
@ -97,6 +88,12 @@ uint8_t ProcessConfigurationDescriptor(void)
return NoCompatibleInterfaceFound;
}
/* Save the interface in case we need to refer back to it later */
HIDInterface = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Interface_t);
/* Clear any found endpoints */
DataOUTEndpoint = NULL;
/* Skip the remainder of the loop as we have not found an endpoint yet */
continue;
}