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path: root/LUFA/Drivers/USB/Class/Host/CDC.c
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Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/CDC.c')
-rw-r--r--LUFA/Drivers/USB/Class/Host/CDC.c39
1 files changed, 21 insertions, 18 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index 9304161884..e48d487cee 100644
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -137,14 +137,15 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo
static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(void* const 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* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
- USB_Descriptor_Interface_t);
+ USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
- if ((CurrentInterface->Class == CDC_CSCP_CDCClass) &&
- (CurrentInterface->SubClass == CDC_CSCP_ACMSubclass) &&
- (CurrentInterface->Protocol == CDC_CSCP_ATCommandProtocol))
+ if ((Interface->Class == CDC_CSCP_CDCClass) &&
+ (Interface->SubClass == CDC_CSCP_ACMSubclass) &&
+ (Interface->Protocol == CDC_CSCP_ATCommandProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
@@ -155,14 +156,15 @@ static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(void* const CurrentDescrip
static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(void* const 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* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
- USB_Descriptor_Interface_t);
+ USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
- if ((CurrentInterface->Class == CDC_CSCP_CDCDataClass) &&
- (CurrentInterface->SubClass == CDC_CSCP_NoDataSubclass) &&
- (CurrentInterface->Protocol == CDC_CSCP_NoDataProtocol))
+ if ((Interface->Class == CDC_CSCP_CDCDataClass) &&
+ (Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
+ (Interface->Protocol == CDC_CSCP_NoDataProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
@@ -173,20 +175,21 @@ static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor
static uint8_t DCOMP_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor)
{
- if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+ USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+ if (Header->Type == DTYPE_Endpoint)
{
- USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
- USB_Descriptor_Endpoint_t);
+ USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
- uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
+ uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
- !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
+ !(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
{
return DESCRIPTOR_SEARCH_Found;
}
}
- else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+ else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}