diff options
Diffstat (limited to 'Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c')
-rw-r--r-- | Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c b/Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c index 2629f2071..91c96828e 100644 --- a/Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c +++ b/Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c @@ -126,12 +126,16 @@ uint8_t ProcessConfigurationDescriptor(void) */ uint8_t DComp_NextMSInterface(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 and protocol, break out if correct class/protocol interface found */ - 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)) + if ((Interface->Class == MASS_STORE_CLASS) && + (Interface->SubClass == MASS_STORE_SUBCLASS) && + (Interface->Protocol == MASS_STORE_PROTOCOL)) { return DESCRIPTOR_SEARCH_Found; } @@ -151,16 +155,17 @@ uint8_t DComp_NextMSInterface(void* CurrentDescriptor) */ uint8_t DComp_NextMSInterfaceBulkDataEndpoint(void* CurrentDescriptor) { - if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint) + USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); + + if (Header->Type == DTYPE_Endpoint) { - uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor, - USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK); + USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t); /* Check the endpoint type, break out if correct BULK type endpoint found */ - if (EndpointType == EP_TYPE_BULK) + if ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK) return DESCRIPTOR_SEARCH_Found; } - else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) + else if (Header->Type == DTYPE_Interface) { return DESCRIPTOR_SEARCH_Fail; } |