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Added CDC_Device_Flush() command to the CDC Device mode class driver.

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Minor updates to the unfinished SideShow demo for clarity.

Added unfinished MassStorageHost class driver demo.
This commit is contained in:
Dean Camera 2009-08-13 06:43:17 +00:00
parent df29aa37c0
commit df5500e81c
18 changed files with 2733 additions and 49 deletions
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95
LUFA/Drivers/USB/Class/Host/MassStorage.c
View file

@ -36,4 +36,99 @@
#warning The Mass Storage Host mode Class driver is currently incomplete and is for preview purposes only.
uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint16_t ConfigDescriptorLength,
uint8_t* DeviceConfigDescriptor)
{
uint8_t FoundEndpoints = 0;
memset(&MSInterfaceInfo->State, 0x00, sizeof(MSInterfaceInfo->State));
if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration)
return MS_ENUMERROR_InvalidConfigDescriptor;
if (USB_GetNextDescriptorComp(&ConfigDescriptorLength, &DeviceConfigDescriptor,
DComp_NextMassStorageInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return MS_ENUMERROR_NoMSInterfaceFound;
}
MSInterfaceInfo->State.InterfaceNumber =
#if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)
DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Interface_t)->InterfaceNumber;
#else
DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Interface_t)->bInterfaceNumber;
#endif
while (FoundEndpoints != (MS_FOUND_DATAPIPE_IN | MS_FOUND_DATAPIPE_OUT))
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorLength, &DeviceConfigDescriptor,
DComp_NextInterfaceBulkDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
return MS_ENUMERROR_EndpointsNotFound;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Endpoint_t);
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
{
Pipe_ConfigurePipe(MSInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
EndpointData->EndpointAddress, EndpointData->EndpointSize,
PIPE_BANK_DOUBLE);
MSInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
FoundEndpoints |= MS_FOUND_DATAPIPE_IN;
}
else
{
Pipe_ConfigurePipe(MSInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
EndpointData->EndpointAddress, EndpointData->EndpointSize,
PIPE_BANK_DOUBLE);
MSInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
FoundEndpoints |= MS_FOUND_DATAPIPE_OUT;
}
}
MSInterfaceInfo->State.Active = true;
return MS_ENUMERROR_NoError;
}
static uint8_t DComp_NextMassStorageInterface(void* CurrentDescriptor)
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
{
if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == MASS_STORE_CLASS) &&
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == MASS_STORE_SUBCLASS) &&
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == MASS_STORE_PROTOCOL))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DComp_NextInterfaceBulkDataEndpoint(void* CurrentDescriptor)
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
{
uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
if (EndpointType == EP_TYPE_BULK)
return DESCRIPTOR_SEARCH_Found;
}
else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
void MS_Host_USBTask(USB_ClassInfo_MS_Host_t* MSInterfaceInfo)
{
}
#endif