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Make Host mode Class drivers only set the class driver instance's state values once a compatible interface has been found within the device.

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This commit is contained in:
Dean Camera 2010-09-30 23:23:05 +00:00
parent 86367574e6
commit a1e453e900
9 changed files with 77 additions and 140 deletions
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25
LUFA/Drivers/USB/Class/Host/RNDIS.c
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@ -40,27 +40,22 @@ uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfa
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
USB_Descriptor_Interface_t* RNDISControlInterface = NULL;
memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State));
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return RNDIS_ENUMERROR_InvalidConfigDescriptor;
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return RNDIS_ENUMERROR_NoCompatibleInterfaceFound;
}
RNDISInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_PCAST(ConfigDescriptorData,
USB_Descriptor_Interface_t)->InterfaceNumber;
RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint))
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
if (!(RNDISControlInterface) ||
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (NotificationEndpoint)
@ -81,9 +76,8 @@ uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfa
{
return RNDIS_ENUMERROR_NoCompatibleInterfaceFound;
}
RNDISInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_PCAST(ConfigDescriptorData,
USB_Descriptor_Interface_t)->InterfaceNumber;
RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
NotificationEndpoint = NULL;
}
@ -135,6 +129,7 @@ uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfa
}
}
RNDISInterfaceInfo->State.ControlInterfaceNumber = RNDISControlInterface->InterfaceNumber;
RNDISInterfaceInfo->State.IsActive = true;
return RNDIS_ENUMERROR_NoError;