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- /*
- LUFA Library
- Copyright (C) Dean Camera, 2014.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
- */
-
- /*
- Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaims all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
- */
-
- #define __INCLUDE_FROM_USBTASK_C
- #define __INCLUDE_FROM_USB_DRIVER
- #include "USBTask.h"
-
- volatile bool USB_IsInitialized;
- USB_Request_Header_t USB_ControlRequest;
-
- #if defined(USB_CAN_BE_HOST) && !defined(HOST_STATE_AS_GPIOR)
- volatile uint8_t USB_HostState;
- #endif
-
- #if defined(USB_CAN_BE_DEVICE) && !defined(DEVICE_STATE_AS_GPIOR)
- volatile uint8_t USB_DeviceState;
- #endif
-
- void USB_USBTask(void)
- {
- #if defined(USB_CAN_BE_BOTH)
- if (USB_CurrentMode == USB_MODE_Device)
- USB_DeviceTask();
- else if (USB_CurrentMode == USB_MODE_Host)
- USB_HostTask();
- #elif defined(USB_CAN_BE_HOST)
- USB_HostTask();
- #elif defined(USB_CAN_BE_DEVICE)
- USB_DeviceTask();
- #endif
- }
-
- #if defined(USB_CAN_BE_DEVICE)
- static void USB_DeviceTask(void)
- {
- if (USB_DeviceState == DEVICE_STATE_Unattached)
- return;
-
- uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint();
-
- Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
-
- if (Endpoint_IsSETUPReceived())
- USB_Device_ProcessControlRequest();
-
- Endpoint_SelectEndpoint(PrevEndpoint);
- }
- #endif
-
- #if defined(USB_CAN_BE_HOST)
- static void USB_HostTask(void)
- {
- uint8_t PrevPipe = Pipe_GetCurrentPipe();
-
- Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
- USB_Host_ProcessNextHostState();
-
- Pipe_SelectPipe(PrevPipe);
- }
- #endif
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