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Fix XPLAINBridge code broken during the changes to the Rescue Clock generation in the AVRISP-MKII clone project.

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Change over all low level host mode project's descriptor comparator routines to perform the descriptor casting in a temp variable to make the code clearer and easier to modify (despite being more verbose).
This commit is contained in:
Dean Camera 2010-11-02 11:16:36 +00:00
parent 3bf760ad7d
commit 5ce8380a7d
25 changed files with 380 additions and 287 deletions
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31
Demos/Host/LowLevel/StillImageHost/ConfigDescriptor.c
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@ -141,12 +141,16 @@ uint8_t ProcessConfigurationDescriptor(void)
*/
uint8_t DComp_NextStillImageInterface(void* CurrentDescriptor)
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
/* Check the descriptor class, subclass and protocol, break out if correct interface found */
if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == SI_CSCP_StillImageClass) &&
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == SI_CSCP_StillImageSubclass) &&
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == SI_CSCP_BulkOnlyProtocol))
if ((Interface->Class == SI_CSCP_StillImageClass) &&
(Interface->SubClass == SI_CSCP_StillImageSubclass) &&
(Interface->Protocol == SI_CSCP_BulkOnlyProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
@ -166,15 +170,20 @@ uint8_t DComp_NextStillImageInterface(void* CurrentDescriptor)
*/
uint8_t DComp_NextStillImageInterfaceDataEndpoint(void* CurrentDescriptor)
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
{
uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))
return DESCRIPTOR_SEARCH_Found;
if (Header->Type == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
/* Check the endpoint type, break out if correct BULK or INTERRUPT type endpoint found */
if (((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK) ||
((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT))
{
return DESCRIPTOR_SEARCH_Found;
}
}
else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}