Add new functions to the HID host class driver, refine HID interface protocol matching.

Remove stray state variable from the CDC host class driver.
This commit is contained in:
Dean Camera 2009-08-11 09:12:29 +00:00
parent a2001ac1cc
commit c86491af8b
9 changed files with 80 additions and 22 deletions

View file

@ -46,6 +46,8 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return HID_ENUMERROR_InvalidConfigDescriptor;
USB_Descriptor_Interface_t* CurrentHIDInterface;
do
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
@ -53,9 +55,18 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint
{
return HID_ENUMERROR_NoHIDInterfaceFound;
}
} while (HIDInterfaceInfo->Config.MatchInterfaceProtocol &&
DESCRIPTOR_PCAST(ConfigDescriptorData,
USB_Descriptor_Interface_t)->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol);
CurrentHIDInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
} while (HIDInterfaceInfo->Config.HIDInterfaceProtocol &&
(CurrentHIDInterface->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol));
HIDInterfaceInfo->State.InterfaceNumber =
#if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)
CurrentHIDInterface->InterfaceNumber;
#else
CurrentHIDInterface->bInterfaceNumber;
#endif
HIDInterfaceInfo->State.SupportsBootSubClass = (CurrentHIDInterface->SubClass != 0);
while (FoundEndpoints != ((1 << HID_FOUND_DATAPIPE_IN) | (1 << HID_FOUND_DATAPIPE_OUT)))
{
@ -144,4 +155,20 @@ bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo)
return ReportReceived;
}
uint8_t USB_HID_Host_SetProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, bool UseReportProtocol)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = REQ_SetProtocol,
.wValue = UseReportProtocol,
.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(NULL);
}
#endif