Moved all source to the trunk directory.
This commit is contained in:
parent
9991321321
commit
6a10d6b465
88 changed files with 15575 additions and 0 deletions
178
LUFA/Drivers/USB/LowLevel/HostChapter9.c
Normal file
178
LUFA/Drivers/USB/LowLevel/HostChapter9.c
Normal file
|
@ -0,0 +1,178 @@
|
|||
/*
|
||||
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"
|
||||
#if defined(USB_CAN_BE_HOST)
|
||||
|
||||
#define INCLUDE_FROM_HOSTCHAPTER9_C
|
||||
#include "HostChapter9.h"
|
||||
|
||||
USB_Host_Request_Header_t USB_HostRequest;
|
||||
|
||||
uint8_t USB_Host_SendControlRequest(void* BufferPtr)
|
||||
{
|
||||
uint8_t* HeaderStream = (uint8_t*)&USB_HostRequest;
|
||||
uint8_t* DataStream = (uint8_t*)BufferPtr;
|
||||
bool BusSuspended = USB_Host_IsBusSuspended();
|
||||
uint8_t ReturnStatus = HOST_SENDCONTROL_Successful;
|
||||
uint16_t DataLen = USB_HostRequest.wLength;
|
||||
|
||||
USB_Host_ResumeBus();
|
||||
|
||||
if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)
|
||||
return ReturnStatus;
|
||||
|
||||
Pipe_SelectPipe(PIPE_CONTROLPIPE);
|
||||
Pipe_SetToken(PIPE_TOKEN_SETUP);
|
||||
Pipe_ClearErrorFlags();
|
||||
Pipe_ClearSetupSent();
|
||||
|
||||
Pipe_Unfreeze();
|
||||
|
||||
for (uint8_t HeaderByte = 0; HeaderByte < sizeof(USB_Host_Request_Header_t); HeaderByte++)
|
||||
Pipe_Write_Byte(*(HeaderStream++));
|
||||
|
||||
Pipe_ClearSetupOUT();
|
||||
|
||||
if ((ReturnStatus = USB_Host_Wait_For_Setup_IOS(USB_HOST_WAITFOR_SetupSent)))
|
||||
goto End_Of_Control_Send;
|
||||
|
||||
Pipe_ClearSetupSent();
|
||||
Pipe_Freeze();
|
||||
|
||||
if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)
|
||||
goto End_Of_Control_Send;
|
||||
|
||||
if ((USB_HostRequest.bmRequestType & CONTROL_REQTYPE_DIRECTION) == REQDIR_DEVICETOHOST)
|
||||
{
|
||||
Pipe_SetToken(PIPE_TOKEN_IN);
|
||||
|
||||
if (DataStream != NULL)
|
||||
{
|
||||
while (DataLen)
|
||||
{
|
||||
Pipe_Unfreeze();
|
||||
|
||||
if ((ReturnStatus = USB_Host_Wait_For_Setup_IOS(USB_HOST_WAITFOR_InReceived)))
|
||||
goto End_Of_Control_Send;
|
||||
|
||||
if (!(Pipe_BytesInPipe()))
|
||||
DataLen = 0;
|
||||
|
||||
while (Pipe_BytesInPipe() && DataLen)
|
||||
{
|
||||
*(DataStream++) = Pipe_Read_Byte();
|
||||
DataLen--;
|
||||
}
|
||||
|
||||
Pipe_Freeze();
|
||||
Pipe_ClearSetupIN();
|
||||
}
|
||||
}
|
||||
|
||||
Pipe_SetToken(PIPE_TOKEN_OUT);
|
||||
Pipe_Unfreeze();
|
||||
|
||||
if ((ReturnStatus = USB_Host_Wait_For_Setup_IOS(USB_HOST_WAITFOR_OutReady)))
|
||||
goto End_Of_Control_Send;
|
||||
|
||||
Pipe_ClearSetupOUT();
|
||||
|
||||
if ((ReturnStatus = USB_Host_Wait_For_Setup_IOS(USB_HOST_WAITFOR_OutReady)))
|
||||
goto End_Of_Control_Send;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (DataStream != NULL)
|
||||
{
|
||||
Pipe_SetToken(PIPE_TOKEN_OUT);
|
||||
Pipe_Unfreeze();
|
||||
|
||||
while (DataLen)
|
||||
{
|
||||
if ((ReturnStatus = USB_Host_Wait_For_Setup_IOS(USB_HOST_WAITFOR_OutReady)))
|
||||
goto End_Of_Control_Send;
|
||||
|
||||
while (DataLen && (Pipe_BytesInPipe() < USB_ControlPipeSize))
|
||||
{
|
||||
Pipe_Write_Byte(*(DataStream++));
|
||||
DataLen--;
|
||||
}
|
||||
|
||||
Pipe_ClearSetupOUT();
|
||||
}
|
||||
|
||||
if ((ReturnStatus = USB_Host_Wait_For_Setup_IOS(USB_HOST_WAITFOR_OutReady)))
|
||||
goto End_Of_Control_Send;
|
||||
|
||||
Pipe_Freeze();
|
||||
}
|
||||
|
||||
Pipe_SetToken(PIPE_TOKEN_IN);
|
||||
Pipe_Unfreeze();
|
||||
|
||||
if ((ReturnStatus = USB_Host_Wait_For_Setup_IOS(USB_HOST_WAITFOR_InReceived)))
|
||||
goto End_Of_Control_Send;
|
||||
|
||||
Pipe_ClearSetupIN();
|
||||
}
|
||||
|
||||
End_Of_Control_Send:
|
||||
Pipe_Freeze();
|
||||
|
||||
if (BusSuspended)
|
||||
USB_Host_SuspendBus();
|
||||
|
||||
Pipe_ResetPipe(PIPE_CONTROLPIPE);
|
||||
|
||||
return ReturnStatus;
|
||||
}
|
||||
|
||||
static uint8_t USB_Host_Wait_For_Setup_IOS(const uint8_t WaitType)
|
||||
{
|
||||
uint16_t TimeoutCounter = USB_HOST_TIMEOUT_MS;
|
||||
|
||||
while (!(((WaitType == USB_HOST_WAITFOR_SetupSent) && Pipe_IsSetupSent()) ||
|
||||
((WaitType == USB_HOST_WAITFOR_InReceived) && Pipe_IsSetupINReceived()) ||
|
||||
((WaitType == USB_HOST_WAITFOR_OutReady) && Pipe_IsSetupOUTReady())))
|
||||
{
|
||||
uint8_t ErrorCode;
|
||||
|
||||
if ((ErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)
|
||||
return ErrorCode;
|
||||
|
||||
if (!(TimeoutCounter--))
|
||||
return HOST_SENDCONTROL_SoftwareTimeOut;
|
||||
}
|
||||
|
||||
return HOST_SENDCONTROL_Successful;
|
||||
}
|
||||
|
||||
#endif
|
Loading…
Add table
Add a link
Reference in a new issue