uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
- uint8_t FoundEndpoints = 0;
-
+ USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
+ USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
+ USB_Descriptor_Interface_t* HIDInterface = NULL;
+ USB_HID_Descriptor_HID_t* HIDDescriptor = NULL;
+
memset(&HIDInterfaceInfo->State, 0x00, sizeof(HIDInterfaceInfo->State));
-
+
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return HID_ENUMERROR_InvalidConfigDescriptor;
-
- USB_Descriptor_Interface_t* CurrentHIDInterface;
-
- do
- {
- if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
- DCOMP_HID_Host_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)
- {
- return HID_ENUMERROR_NoHIDInterfaceFound;
- }
-
- CurrentHIDInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
- } while (HIDInterfaceInfo->Config.HIDInterfaceProtocol &&
- (CurrentHIDInterface->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol));
-
- HIDInterfaceInfo->State.InterfaceNumber = CurrentHIDInterface->InterfaceNumber;
- HIDInterfaceInfo->State.SupportsBootProtocol = (CurrentHIDInterface->SubClass != HID_BOOTP_NonBootProtocol);
-
- if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DCOMP_HID_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)
- return HID_ENUMERROR_NoHIDDescriptorFound;
-
- HIDInterfaceInfo->State.HIDReportSize = DESCRIPTOR_CAST(ConfigDescriptorData, USB_HID_Descriptor_HID_t).HIDReportLength;
- while (FoundEndpoints != (HID_FOUND_DATAPIPE_IN | HID_FOUND_DATAPIPE_OUT))
+ while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
- if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ if (!(HIDInterface) ||
+ USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_HID_Host_NextHIDInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
- if (FoundEndpoints & HID_FOUND_DATAPIPE_IN)
+ if (DataINEndpoint || DataOUTEndpoint)
break;
+
+ do
+ {
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DCOMP_HID_Host_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ return HID_ENUMERROR_NoCompatibleInterfaceFound;
+ }
- return HID_ENUMERROR_EndpointsNotFound;
+ HIDInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
+ } while (HIDInterfaceInfo->Config.HIDInterfaceProtocol &&
+ (HIDInterface->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol));
+
+ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+ DCOMP_HID_Host_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)
+ {
+ return HID_ENUMERROR_NoCompatibleInterfaceFound;
+ }
+
+ HIDDescriptor = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_HID_Descriptor_HID_t);
+
+ DataINEndpoint = NULL;
+ DataOUTEndpoint = NULL;
+
+ continue;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
+ DataINEndpoint = EndpointData;
+ else
+ DataOUTEndpoint = EndpointData;
+ }
+
+ for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++)
+ {
+ if (PipeNum == HIDInterfaceInfo->Config.DataINPipeNumber)
{
- Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
- EndpointData->EndpointAddress, EndpointData->EndpointSize,
- HIDInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
- HIDInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
+ Pipe_ConfigurePipe(PipeNum, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
+ DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize,
+ HIDInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
+ Pipe_SetInterruptPeriod(DataINEndpoint->PollingIntervalMS);
- FoundEndpoints |= HID_FOUND_DATAPIPE_IN;
+ HIDInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
}
- else
+ else if (PipeNum == HIDInterfaceInfo->Config.DataOUTPipeNumber)
{
- Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_OUT,
- EndpointData->EndpointAddress, EndpointData->EndpointSize,
- HIDInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
- HIDInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
-
+ Pipe_ConfigurePipe(PipeNum, EP_TYPE_INTERRUPT, PIPE_TOKEN_OUT,
+ DataOUTEndpoint->EndpointAddress, DataOUTEndpoint->EndpointSize,
+ HIDInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
+ Pipe_SetInterruptPeriod(DataOUTEndpoint->PollingIntervalMS);
+
+ HIDInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
HIDInterfaceInfo->State.DeviceUsesOUTPipe = true;
-
- FoundEndpoints |= HID_FOUND_DATAPIPE_OUT;
}
}
-
- HIDInterfaceInfo->State.LargestReportSize = 8;
+
+ HIDInterfaceInfo->State.InterfaceNumber = HIDInterface->InterfaceNumber;
+ HIDInterfaceInfo->State.HIDReportSize = HIDDescriptor->HIDReportLength;
+ HIDInterfaceInfo->State.SupportsBootProtocol = (HIDInterface->SubClass != HID_BOOTP_NonBootProtocol);
+ HIDInterfaceInfo->State.LargestReportSize = 8;
HIDInterfaceInfo->State.IsActive = true;
+
return HID_ENUMERROR_NoError;
}
return DESCRIPTOR_SEARCH_NotFound;
}
-static uint8_t DCOMP_HID_NextHID(void* const CurrentDescriptor)
+static uint8_t DCOMP_HID_Host_NextHID(void* const CurrentDescriptor)
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == HID_DTYPE_HID)
return DESCRIPTOR_SEARCH_Found;
else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
return DESCRIPTOR_SEARCH_Fail;
else
- return DESCRIPTOR_SEARCH_NotFound;
+ return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_HID_Host_NextHIDInterfaceEndpoint(void* const CurrentDescriptor)
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(Buffer);
-}
+}
#endif
-
+
uint8_t HID_Host_ReceiveReport(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
void* Buffer)
{
if ((ErrorCode = Pipe_Read_Stream_LE(BufferPos, ReportSize, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
- Pipe_ClearIN();
+ Pipe_ClearIN();
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;