You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
2.4 KiB
93 lines
2.4 KiB
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2009.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.fourwalledcubicle.com
|
|
*/
|
|
|
|
/*
|
|
Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
|
|
|
Permission to use, copy, modify, and distribute this software
|
|
and its documentation for any purpose and without fee is hereby
|
|
granted, 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 disclaim 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.
|
|
*/
|
|
|
|
#include "USBMode.h"
|
|
|
|
#define INCLUDE_FROM_USBTASK_C
|
|
#include "USBTask.h"
|
|
|
|
volatile bool USB_IsSuspended;
|
|
volatile bool USB_IsConnected;
|
|
volatile bool USB_IsInitialized;
|
|
USB_Request_Header_t USB_ControlRequest;
|
|
|
|
#if defined(USB_CAN_BE_HOST)
|
|
volatile uint8_t USB_HostState;
|
|
#endif
|
|
|
|
void USB_USBTask(void)
|
|
{
|
|
#if defined(USB_HOST_ONLY)
|
|
USB_HostTask();
|
|
#elif defined(USB_DEVICE_ONLY)
|
|
USB_DeviceTask();
|
|
#else
|
|
if (USB_CurrentMode == USB_MODE_DEVICE)
|
|
USB_DeviceTask();
|
|
else if (USB_CurrentMode == USB_MODE_HOST)
|
|
USB_HostTask();
|
|
#endif
|
|
}
|
|
|
|
#if defined(USB_CAN_BE_DEVICE)
|
|
static void USB_DeviceTask(void)
|
|
{
|
|
if (USB_IsConnected)
|
|
{
|
|
uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint();
|
|
|
|
Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
|
|
|
|
if (Endpoint_IsSETUPReceived())
|
|
{
|
|
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
|
|
{
|
|
USB_Device_ProcessControlPacket();
|
|
}
|
|
}
|
|
|
|
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
|