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

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

View file

@ -157,12 +157,16 @@ uint8_t ProcessConfigurationDescriptor(void)
*/
uint8_t DComp_NextCDCControlInterface(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 CDC descriptor class, subclass and protocol, break out if correct control interface found */
if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == CDC_CSCP_CDCClass) &&
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CSCP_ACMSubclass) &&
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CSCP_VendorSpecificProtocol))
if ((Interface->Class == CDC_CSCP_CDCClass) &&
(Interface->SubClass == CDC_CSCP_ACMSubclass) &&
(Interface->Protocol == CDC_CSCP_VendorSpecificProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
@ -181,12 +185,16 @@ uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor)
*/
uint8_t DComp_NextCDCDataInterface(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 CDC descriptor class, subclass and protocol, break out if correct data interface found */
if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == CDC_CSCP_CDCDataClass) &&
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CSCP_NoDataSubclass) &&
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CSCP_NoDataProtocol))
if ((Interface->Class == CDC_CSCP_CDCDataClass) &&
(Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
(Interface->Protocol == CDC_CSCP_NoDataProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
@ -207,15 +215,20 @@ uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor)
*/
uint8_t DComp_NextCDCDataInterfaceEndpoint(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;
}