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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.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index aef5b3539..2d5ec0fb2 100644
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -71,7 +71,6 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(USB_ClassInfo_CDC_Host_t* CDCInt
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
- /* Descriptor not found, error out */
return CDC_ENUMERROR_NoCDCInterfaceFound;
}
}
@@ -149,10 +148,12 @@ static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* CurrentDescriptor)
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
{
- /* 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_CONTROL_CLASS) &&
- (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CONTROL_SUBCLASS) &&
- (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CONTROL_PROTOCOL))
+ USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
+ USB_Descriptor_Interface_t);
+
+ if ((CurrentInterface->Class == CDC_CONTROL_CLASS) &&
+ (CurrentInterface->SubClass == CDC_CONTROL_SUBCLASS) &&
+ (CurrentInterface->Protocol == CDC_CONTROL_PROTOCOL))
{
return DESCRIPTOR_SEARCH_Found;
}
@@ -165,10 +166,12 @@ static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor)
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
{
- /* 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_DATA_CLASS) &&
- (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_DATA_SUBCLASS) &&
- (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_DATA_PROTOCOL))
+ USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
+ USB_Descriptor_Interface_t);
+
+ if ((CurrentInterface->Class == CDC_DATA_CLASS) &&
+ (CurrentInterface->SubClass == CDC_DATA_SUBCLASS) &&
+ (CurrentInterface->Protocol == CDC_DATA_PROTOCOL))
{
return DESCRIPTOR_SEARCH_Found;
}
@@ -181,8 +184,10 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
{
- uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
- USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
+ 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))
return DESCRIPTOR_SEARCH_Found;
@@ -215,7 +220,6 @@ void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
USB_HostState = HOST_STATE_Configured;
break;
case HOST_STATE_Configured:
-
USB_HostState = HOST_STATE_Ready;
break;
}