+bool Endpoint_IsINReady(void)
+{
+ Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint | ENDPOINT_DIR_IN);
+
+ return ((USB_Endpoint_SelectedHandle->STATUS & USB_EP_BUSNACK0_bm) ? true : false);
+}
+
+bool Endpoint_IsOUTReceived(void)
+{
+ Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint & ~ENDPOINT_DIR_IN);
+
+ if (USB_Endpoint_SelectedHandle->STATUS & USB_EP_TRNCOMPL0_bm)
+ {
+ USB_Endpoint_SelectedFIFO->Length = USB_Endpoint_SelectedHandle->CNT;
+ return true;
+ }
+
+ return false;
+}
+
+bool Endpoint_IsSETUPReceived(void)
+{
+ Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint & ~ENDPOINT_DIR_IN);
+
+ if (USB_Endpoint_SelectedHandle->STATUS & USB_EP_SETUP_bm)
+ {
+ USB_Endpoint_SelectedFIFO->Length = USB_Endpoint_SelectedHandle->CNT;
+ return true;
+ }
+
+ return false;
+}
+
+void Endpoint_ClearSETUP(void)
+{
+ Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint & ~ENDPOINT_DIR_IN);
+ USB_Endpoint_SelectedHandle->STATUS &= ~(USB_EP_SETUP_bm | USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm | USB_EP_OVF_bm);
+ USB_Endpoint_SelectedHandle->STATUS |= USB_EP_TOGGLE_bm;
+ USB_Endpoint_SelectedFIFO->Position = 0;
+
+ Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint | ENDPOINT_DIR_IN);
+ USB_Endpoint_SelectedHandle->STATUS |= USB_EP_TOGGLE_bm;
+ USB_Endpoint_SelectedFIFO->Position = 0;
+}
+
+void Endpoint_ClearIN(void)
+{
+ USB_Endpoint_SelectedHandle->CNT = USB_Endpoint_SelectedFIFO->Position;
+ USB_Endpoint_SelectedHandle->STATUS &= ~(USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm | USB_EP_OVF_bm);
+ USB_Endpoint_SelectedFIFO->Position = 0;
+}
+
+void Endpoint_ClearOUT(void)
+{
+ USB_Endpoint_SelectedHandle->STATUS &= ~(USB_EP_TRNCOMPL0_bm | USB_EP_BUSNACK0_bm | USB_EP_OVF_bm);
+ USB_Endpoint_SelectedFIFO->Position = 0;
+}
+
+void Endpoint_StallTransaction(void)
+{
+ USB_Endpoint_SelectedHandle->CTRL |= USB_EP_STALL_bm;
+
+ if ((USB_Endpoint_SelectedHandle->CTRL & USB_EP_TYPE_gm) == USB_EP_TYPE_CONTROL_gc)
+ {
+ Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint ^ ENDPOINT_DIR_IN);
+ USB_Endpoint_SelectedHandle->CTRL |= USB_EP_STALL_bm;
+ }
+}
+
+uint8_t Endpoint_Read_8(void)
+{
+ return USB_Endpoint_SelectedFIFO->Data[USB_Endpoint_SelectedFIFO->Position++];
+}
+
+void Endpoint_Write_8(const uint8_t Data)
+{
+ USB_Endpoint_SelectedFIFO->Data[USB_Endpoint_SelectedFIFO->Position++] = Data;
+}
+
+void Endpoint_SelectEndpoint(const uint8_t Address)
+{
+ uint8_t EndpointNumber = (Address & ENDPOINT_EPNUM_MASK);
+
+ USB_Endpoint_SelectedEndpoint = Address;
+
+ Endpoint_FIFOPair_t* EndpointFIFOPair = &USB_Endpoint_FIFOs[EndpointNumber];
+ USB_EndpointTable_t* EndpointTable = (USB_EndpointTable_t*)USB.EPPTR;
+
+ if (Address & ENDPOINT_DIR_IN)
+ {
+ USB_Endpoint_SelectedFIFO = &EndpointFIFOPair->IN;
+ USB_Endpoint_SelectedHandle = &EndpointTable->Endpoints[EndpointNumber].IN;
+ }
+ else
+ {
+ USB_Endpoint_SelectedFIFO = &EndpointFIFOPair->OUT;
+ USB_Endpoint_SelectedHandle = &EndpointTable->Endpoints[EndpointNumber].OUT;
+ }
+}
+