/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
#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)
+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;
for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
{
- Endpoint_SelectEndpoint(EPNum);
- UEIENX = 0;
- UEINTX = 0;
- Endpoint_DeallocateMemory();
+ Endpoint_SelectEndpoint(EPNum);
+ UEIENX = 0;
+ UEINTX = 0;
+ UECFG1X = 0;
Endpoint_DisableEndpoint();
}
}
if (USB_DeviceState == DEVICE_STATE_Unattached)
return;
}
-
+
Endpoint_ClearIN();
}
}
uint8_t Endpoint_WaitUntilReady(void)
{
#if (USB_STREAM_TIMEOUT_MS < 0xFF)
- uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
+ uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
#else
uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
#endif
+ uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber();
+
for (;;)
{
if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN)
else
{
if (Endpoint_IsOUTReceived())
- return ENDPOINT_READYWAIT_NoError;
+ return ENDPOINT_READYWAIT_NoError;
}
-
- if (USB_DeviceState == DEVICE_STATE_Unattached)
+
+ uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+ if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
return ENDPOINT_READYWAIT_DeviceDisconnected;
- else if (USB_DeviceState == DEVICE_STATE_Suspended)
+ else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
return ENDPOINT_READYWAIT_BusSuspended;
else if (Endpoint_IsStalled())
return ENDPOINT_READYWAIT_EndpointStalled;
-
- if (USB_INT_HasOccurred(USB_INT_SOFI))
+
+ uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber();
+
+ if (CurrentFrameNumber != PreviousFrameNumber)
{
- USB_INT_Clear(USB_INT_SOFI);
+ PreviousFrameNumber = CurrentFrameNumber;
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;
-
- #if defined(FAST_STREAM_TRANSFERS)
- uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07);
-
- if (Length >= 8)
- {
- Length -= BytesRemToAlignment;
-
- switch (BytesRemToAlignment)
- {
- default:
- do
- {
- 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;
- }
-
- Length -= 8;
-
- Endpoint_Discard_Byte();
- case 7: Endpoint_Discard_Byte();
- case 6: Endpoint_Discard_Byte();
- case 5: Endpoint_Discard_Byte();
- case 4: Endpoint_Discard_Byte();
- case 3: Endpoint_Discard_Byte();
- case 2: Endpoint_Discard_Byte();
- case 1: Endpoint_Discard_Byte();
- } while (Length >= 8);
- }
- }
- #endif
-
- 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;
-}
-
-/* The following abuses the C preprocessor in order to copy-past common code with slight alterations,
- * so that the code needs to be written once. It is a crude form of templating to reduce code maintenance. */
-
-#define TEMPLATE_FUNC_NAME Endpoint_Write_Stream_LE
-#define TEMPLATE_BUFFER_TYPE const void*
-#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
-#define TEMPLATE_BUFFER_OFFSET(Length) 0
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr++))
-#include "Template/Template_Endpoint_RW.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_LE
-#define TEMPLATE_BUFFER_TYPE const void*
-#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
-#define TEMPLATE_BUFFER_OFFSET(Length) 0
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr++))
-#include "Template/Template_Endpoint_RW.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_LE
-#define TEMPLATE_BUFFER_TYPE const void*
-#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
-#define TEMPLATE_BUFFER_OFFSET(Length) 0
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr++))
-#include "Template/Template_Endpoint_RW.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Write_Stream_BE
-#define TEMPLATE_BUFFER_TYPE const void*
-#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr--))
-#include "Template/Template_Endpoint_RW.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_BE
-#define TEMPLATE_BUFFER_TYPE const void*
-#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--))
-#include "Template/Template_Endpoint_RW.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_BE
-#define TEMPLATE_BUFFER_TYPE const void*
-#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--))
-#include "Template/Template_Endpoint_RW.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_LE
-#define TEMPLATE_BUFFER_TYPE void*
-#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
-#define TEMPLATE_BUFFER_OFFSET(Length) 0
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr++) = Endpoint_Read_Byte()
-#include "Template/Template_Endpoint_RW.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_LE
-#define TEMPLATE_BUFFER_TYPE void*
-#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
-#define TEMPLATE_BUFFER_OFFSET(Length) 0
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_write_byte((uint8_t*)BufferPtr++, Endpoint_Read_Byte())
-#include "Template/Template_Endpoint_RW.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_BE
-#define TEMPLATE_BUFFER_TYPE void*
-#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr--) = Endpoint_Read_Byte()
-#include "Template/Template_Endpoint_RW.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_BE
-#define TEMPLATE_BUFFER_TYPE void*
-#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_write_byte((uint8_t*)BufferPtr--, Endpoint_Read_Byte())
-#include "Template/Template_Endpoint_RW.c"
#endif
-#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_LE
-#define TEMPLATE_BUFFER_OFFSET(Length) 0
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr++))
-#include "Template/Template_Endpoint_Control_W.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_PStream_LE
-#define TEMPLATE_BUFFER_OFFSET(Length) 0
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr++))
-#include "Template/Template_Endpoint_Control_W.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_EStream_LE
-#define TEMPLATE_BUFFER_OFFSET(Length) 0
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr++))
-#include "Template/Template_Endpoint_Control_W.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_BE
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr--))
-#include "Template/Template_Endpoint_Control_W.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_PStream_BE
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--))
-#include "Template/Template_Endpoint_Control_W.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_EStream_BE
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--))
-#include "Template/Template_Endpoint_Control_W.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_LE
-#define TEMPLATE_BUFFER_OFFSET(Length) 0
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr++) = Endpoint_Read_Byte()
-#include "Template/Template_Endpoint_Control_R.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_EStream_LE
-#define TEMPLATE_BUFFER_OFFSET(Length) 0
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_write_byte((uint8_t*)BufferPtr++, Endpoint_Read_Byte())
-#include "Template/Template_Endpoint_Control_R.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_BE
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr--) = Endpoint_Read_Byte()
-#include "Template/Template_Endpoint_Control_R.c"
-
-#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_EStream_BE
-#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
-#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_write_byte((uint8_t*)BufferPtr--, Endpoint_Read_Byte())
-#include "Template/Template_Endpoint_Control_R.c"
-
-#endif
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