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.
411 lines
9.2 KiB
411 lines
9.2 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 "../HighLevel/USBMode.h"
|
|
|
|
#if defined(USB_CAN_BE_DEVICE)
|
|
|
|
#define INCLUDE_FROM_ENDPOINT_C
|
|
#include "Endpoint.h"
|
|
|
|
#if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
|
|
uint8_t USB_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE;
|
|
#endif
|
|
|
|
uint8_t Endpoint_BytesToEPSizeMaskDynamic(const uint16_t Size)
|
|
{
|
|
return Endpoint_BytesToEPSizeMask(Size);
|
|
}
|
|
|
|
bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, const uint8_t UECFG0XData, const uint8_t UECFG1XData)
|
|
{
|
|
Endpoint_SelectEndpoint(Number);
|
|
Endpoint_EnableEndpoint();
|
|
|
|
UECFG1X = 0;
|
|
|
|
UECFG0X = UECFG0XData;
|
|
UECFG1X = UECFG1XData;
|
|
|
|
return Endpoint_IsConfigured();
|
|
}
|
|
|
|
void Endpoint_ClearEndpoints(void)
|
|
{
|
|
UEINT = 0;
|
|
|
|
for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
|
|
{
|
|
Endpoint_SelectEndpoint(EPNum);
|
|
UEIENX = 0;
|
|
UEINTX = 0;
|
|
Endpoint_DeallocateMemory();
|
|
Endpoint_DisableEndpoint();
|
|
}
|
|
}
|
|
|
|
#if !defined(CONTROL_ONLY_DEVICE)
|
|
uint8_t Endpoint_WaitUntilReady(void)
|
|
{
|
|
#if (USB_STREAM_TIMEOUT_MS < 0xFF)
|
|
uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
|
|
#else
|
|
uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
|
|
#endif
|
|
|
|
for (;;)
|
|
{
|
|
if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN)
|
|
{
|
|
if (Endpoint_IsINReady())
|
|
return ENDPOINT_READYWAIT_NoError;
|
|
}
|
|
else
|
|
{
|
|
if (Endpoint_IsOUTReceived())
|
|
return ENDPOINT_READYWAIT_NoError;
|
|
}
|
|
|
|
if (!(USB_IsConnected))
|
|
return ENDPOINT_READYWAIT_DeviceDisconnected;
|
|
else if (Endpoint_IsStalled())
|
|
return ENDPOINT_READYWAIT_EndpointStalled;
|
|
|
|
if (USB_INT_HasOccurred(USB_INT_HSOFI))
|
|
{
|
|
USB_INT_Clear(USB_INT_HSOFI);
|
|
|
|
if (!(TimeoutMSRem--))
|
|
return ENDPOINT_READYWAIT_Timeout;
|
|
}
|
|
}
|
|
}
|
|
|
|
uint8_t Endpoint_Discard_Stream(uint16_t Length
|
|
#if !defined(NO_STREAM_CALLBACKS)
|
|
, StreamCallbackPtr_t Callback
|
|
#endif
|
|
)
|
|
{
|
|
uint8_t ErrorCode;
|
|
|
|
if ((ErrorCode = Endpoint_WaitUntilReady()))
|
|
return ErrorCode;
|
|
|
|
while (Length)
|
|
{
|
|
if (!(Endpoint_IsReadWriteAllowed()))
|
|
{
|
|
Endpoint_ClearOUT();
|
|
|
|
#if !defined(NO_STREAM_CALLBACKS)
|
|
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
|
|
return ENDPOINT_RWSTREAM_CallbackAborted;
|
|
#endif
|
|
|
|
if ((ErrorCode = Endpoint_WaitUntilReady()))
|
|
return ErrorCode;
|
|
}
|
|
else
|
|
{
|
|
Endpoint_Discard_Byte();
|
|
Length--;
|
|
}
|
|
}
|
|
|
|
return ENDPOINT_RWSTREAM_NoError;
|
|
}
|
|
|
|
uint8_t Endpoint_Write_Stream_LE(const void* Buffer, uint16_t Length
|
|
#if !defined(NO_STREAM_CALLBACKS)
|
|
, StreamCallbackPtr_t Callback
|
|
#endif
|
|
)
|
|
{
|
|
uint8_t* DataStream = (uint8_t*)Buffer;
|
|
uint8_t ErrorCode;
|
|
|
|
if ((ErrorCode = Endpoint_WaitUntilReady()))
|
|
return ErrorCode;
|
|
|
|
while (Length)
|
|
{
|
|
if (!(Endpoint_IsReadWriteAllowed()))
|
|
{
|
|
Endpoint_ClearIN();
|
|
|
|
#if !defined(NO_STREAM_CALLBACKS)
|
|
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
|
|
return ENDPOINT_RWSTREAM_CallbackAborted;
|
|
#endif
|
|
|
|
if ((ErrorCode = Endpoint_WaitUntilReady()))
|
|
return ErrorCode;
|
|
}
|
|
else
|
|
{
|
|
Endpoint_Write_Byte(*(DataStream++));
|
|
Length--;
|
|
}
|
|
}
|
|
|
|
return ENDPOINT_RWSTREAM_NoError;
|
|
}
|
|
|
|
uint8_t Endpoint_Write_Stream_BE(const void* Buffer, uint16_t Length
|
|
#if !defined(NO_STREAM_CALLBACKS)
|
|
, StreamCallbackPtr_t Callback
|
|
#endif
|
|
)
|
|
{
|
|
uint8_t* DataStream = (uint8_t*)(Buffer + Length - 1);
|
|
uint8_t ErrorCode;
|
|
|
|
if ((ErrorCode = Endpoint_WaitUntilReady()))
|
|
return ErrorCode;
|
|
|
|
while (Length)
|
|
{
|
|
if (!(Endpoint_IsReadWriteAllowed()))
|
|
{
|
|
Endpoint_ClearIN();
|
|
|
|
#if !defined(NO_STREAM_CALLBACKS)
|
|
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
|
|
return ENDPOINT_RWSTREAM_CallbackAborted;
|
|
#endif
|
|
|
|
if ((ErrorCode = Endpoint_WaitUntilReady()))
|
|
return ErrorCode;
|
|
}
|
|
else
|
|
{
|
|
Endpoint_Write_Byte(*(DataStream--));
|
|
Length--;
|
|
}
|
|
}
|
|
|
|
return ENDPOINT_RWSTREAM_NoError;
|
|
}
|
|
|
|
uint8_t Endpoint_Read_Stream_LE(void* Buffer, uint16_t Length
|
|
#if !defined(NO_STREAM_CALLBACKS)
|
|
, StreamCallbackPtr_t Callback
|
|
#endif
|
|
)
|
|
{
|
|
uint8_t* DataStream = (uint8_t*)Buffer;
|
|
uint8_t ErrorCode;
|
|
|
|
if ((ErrorCode = Endpoint_WaitUntilReady()))
|
|
return ErrorCode;
|
|
|
|
while (Length)
|
|
{
|
|
if (!(Endpoint_IsReadWriteAllowed()))
|
|
{
|
|
Endpoint_ClearOUT();
|
|
|
|
#if !defined(NO_STREAM_CALLBACKS)
|
|
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
|
|
return ENDPOINT_RWSTREAM_CallbackAborted;
|
|
#endif
|
|
|
|
if ((ErrorCode = Endpoint_WaitUntilReady()))
|
|
return ErrorCode;
|
|
}
|
|
else
|
|
{
|
|
*(DataStream++) = Endpoint_Read_Byte();
|
|
Length--;
|
|
}
|
|
}
|
|
|
|
return ENDPOINT_RWSTREAM_NoError;
|
|
}
|
|
|
|
uint8_t Endpoint_Read_Stream_BE(void* Buffer, uint16_t Length
|
|
#if !defined(NO_STREAM_CALLBACKS)
|
|
, StreamCallbackPtr_t Callback
|
|
#endif
|
|
)
|
|
{
|
|
uint8_t* DataStream = (uint8_t*)(Buffer + Length - 1);
|
|
uint8_t ErrorCode;
|
|
|
|
if ((ErrorCode = Endpoint_WaitUntilReady()))
|
|
return ErrorCode;
|
|
|
|
while (Length)
|
|
{
|
|
if (!(Endpoint_IsReadWriteAllowed()))
|
|
{
|
|
Endpoint_ClearOUT();
|
|
|
|
#if !defined(NO_STREAM_CALLBACKS)
|
|
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
|
|
return ENDPOINT_RWSTREAM_CallbackAborted;
|
|
#endif
|
|
|
|
if ((ErrorCode = Endpoint_WaitUntilReady()))
|
|
return ErrorCode;
|
|
}
|
|
else
|
|
{
|
|
*(DataStream--) = Endpoint_Read_Byte();
|
|
Length--;
|
|
}
|
|
}
|
|
|
|
return ENDPOINT_RWSTREAM_NoError;
|
|
}
|
|
#endif
|
|
|
|
uint8_t Endpoint_Write_Control_Stream_LE(const void* Buffer, uint16_t Length)
|
|
{
|
|
uint8_t* DataStream = (uint8_t*)Buffer;
|
|
bool LastPacketFull = false;
|
|
|
|
if (Length > USB_ControlRequest.wLength)
|
|
Length = USB_ControlRequest.wLength;
|
|
|
|
while (Length && !(Endpoint_IsOUTReceived()))
|
|
{
|
|
while (!(Endpoint_IsINReady()));
|
|
|
|
while (Length && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))
|
|
{
|
|
Endpoint_Write_Byte(*(DataStream++));
|
|
Length--;
|
|
}
|
|
|
|
LastPacketFull = (Endpoint_BytesInEndpoint() == USB_ControlEndpointSize);
|
|
Endpoint_ClearIN();
|
|
}
|
|
|
|
if (Endpoint_IsOUTReceived())
|
|
return ENDPOINT_RWCSTREAM_HostAborted;
|
|
|
|
if (LastPacketFull)
|
|
{
|
|
while (!(Endpoint_IsINReady()));
|
|
Endpoint_ClearIN();
|
|
}
|
|
|
|
while (!(Endpoint_IsOUTReceived()));
|
|
|
|
return ENDPOINT_RWCSTREAM_NoError;
|
|
}
|
|
|
|
uint8_t Endpoint_Write_Control_Stream_BE(const void* Buffer, uint16_t Length)
|
|
{
|
|
uint8_t* DataStream = (uint8_t*)(Buffer + Length - 1);
|
|
bool LastPacketFull = false;
|
|
|
|
if (Length > USB_ControlRequest.wLength)
|
|
Length = USB_ControlRequest.wLength;
|
|
|
|
while (Length && !(Endpoint_IsOUTReceived()))
|
|
{
|
|
if (Endpoint_IsINReady())
|
|
{
|
|
while (Length && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))
|
|
{
|
|
Endpoint_Write_Byte(*(DataStream--));
|
|
Length--;
|
|
}
|
|
|
|
LastPacketFull = (Endpoint_BytesInEndpoint() == USB_ControlEndpointSize);
|
|
Endpoint_ClearIN();
|
|
}
|
|
}
|
|
|
|
if (Endpoint_IsOUTReceived())
|
|
return ENDPOINT_RWCSTREAM_HostAborted;
|
|
|
|
if (LastPacketFull)
|
|
{
|
|
while (!(Endpoint_IsINReady()));
|
|
Endpoint_ClearIN();
|
|
}
|
|
|
|
while (!(Endpoint_IsOUTReceived()));
|
|
|
|
return ENDPOINT_RWCSTREAM_NoError;
|
|
}
|
|
|
|
uint8_t Endpoint_Read_Control_Stream_LE(void* Buffer, uint16_t Length)
|
|
{
|
|
uint8_t* DataStream = (uint8_t*)Buffer;
|
|
|
|
while (Length)
|
|
{
|
|
if (Endpoint_IsOUTReceived())
|
|
{
|
|
while (Length && Endpoint_BytesInEndpoint())
|
|
{
|
|
*(DataStream++) = Endpoint_Read_Byte();
|
|
Length--;
|
|
}
|
|
|
|
Endpoint_ClearOUT();
|
|
}
|
|
}
|
|
|
|
while (!(Endpoint_IsINReady()));
|
|
|
|
return ENDPOINT_RWCSTREAM_NoError;
|
|
}
|
|
|
|
uint8_t Endpoint_Read_Control_Stream_BE(void* Buffer, uint16_t Length)
|
|
{
|
|
uint8_t* DataStream = (uint8_t*)(Buffer + Length - 1);
|
|
|
|
while (Length)
|
|
{
|
|
if (Endpoint_IsOUTReceived())
|
|
{
|
|
while (Length && Endpoint_BytesInEndpoint())
|
|
{
|
|
*(DataStream--) = Endpoint_Read_Byte();
|
|
Length--;
|
|
}
|
|
|
|
Endpoint_ClearOUT();
|
|
}
|
|
}
|
|
|
|
while (!(Endpoint_IsINReady()));
|
|
|
|
return ENDPOINT_RWCSTREAM_NoError;
|
|
}
|
|
|
|
#endif
|