Added start of the Still Image Host Class driver demo and driver code.

Re-enabled building of the Host mode demos ClassDriver directory.
This commit is contained in:
Dean Camera 2009-08-30 11:36:04 +00:00
parent 0d3a3f7536
commit 3dce79d68c
19 changed files with 2723 additions and 26 deletions

View file

@ -36,4 +36,113 @@
#warning The Still Image Host mode Class driver is currently incomplete and is for preview purposes only.
uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* SIInterfaceInfo, uint16_t ConfigDescriptorSize,
uint8_t* ConfigDescriptorData)
{
uint8_t FoundEndpoints = 0;
memset(&SIInterfaceInfo->State, 0x00, sizeof(SIInterfaceInfo->State));
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return SI_ENUMERROR_InvalidConfigDescriptor;
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_SI_Host_NextSIInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return SI_ENUMERROR_NoSIInterfaceFound;
}
while (FoundEndpoints != (SI_FOUND_EVENTS_IN | SI_FOUND_DATAPIPE_IN | SI_FOUND_DATAPIPE_OUT))
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_SI_Host_NextSIInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
return SI_ENUMERROR_EndpointsNotFound;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
{
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
{
Pipe_ConfigurePipe(SIInterfaceInfo->Config.EventsPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
EndpointData->EndpointAddress, EndpointData->EndpointSize,
PIPE_BANK_DOUBLE);
SIInterfaceInfo->State.EventsPipeSize = EndpointData->EndpointSize;
Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
FoundEndpoints |= SI_FOUND_EVENTS_IN;
}
}
else
{
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
{
Pipe_ConfigurePipe(SIInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
EndpointData->EndpointAddress, EndpointData->EndpointSize,
PIPE_BANK_DOUBLE);
SIInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
FoundEndpoints |= SI_FOUND_DATAPIPE_IN;
}
else
{
Pipe_ConfigurePipe(SIInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
EndpointData->EndpointAddress, EndpointData->EndpointSize,
PIPE_BANK_DOUBLE);
SIInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
FoundEndpoints |= SI_FOUND_DATAPIPE_OUT;
}
}
}
return SI_ENUMERROR_NoError;
}
uint8_t DComp_SI_Host_NextSIInterface(void* CurrentDescriptor)
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
{
if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == STILL_IMAGE_CLASS) &&
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == STILL_IMAGE_SUBCLASS) &&
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == STILL_IMAGE_PROTOCOL))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
uint8_t DComp_SI_Host_NextSIInterfaceEndpoint(void* CurrentDescriptor)
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
USB_Descriptor_Endpoint_t);
uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
(!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))))
{
return DESCRIPTOR_SEARCH_Found;
}
}
else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
void SI_Host_USBTask(USB_ClassInfo_SI_Host_t* SIInterfaceInfo)
{
}
#endif