/*
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
* dispatch header located in LUFA/Drivers/USB/USB.h.
*/
-/** \ingroup Group_USB
- * @defgroup Group_EndpointManagement Endpoint Management
- *
- * Functions, macros and enums related to endpoint management when in USB Device mode. This
- * module contains the endpoint management macros, as well as endpoint interrupt and data
- * send/receive functions for various data types.
- *
- * @{
- */
-
-/** @defgroup Group_EndpointRW Endpoint Data Reading and Writing
+/** \ingroup Group_EndpointManagement
+ * @defgroup Group_EndpointRW Endpoint Data Reading and Writing
*
* Functions, macros, variables, enums and types related to data reading and writing from and to endpoints.
*/
-
-/** \ingroup Group_EndpointRW
+
+/** \ingroup Group_EndpointRW
* @defgroup Group_EndpointPrimitiveRW Read/Write of Primitive Data Types
*
* Functions, macros, variables, enums and types related to data reading and writing of primitive data types
* from and to endpoints.
- */
+ */
-/** \ingroup Group_EndpointRW
- * @defgroup Group_EndpointStreamRW Read/Write of Multi-Byte Streams
+/** \ingroup Group_EndpointManagement
+ * @defgroup Group_EndpointPacketManagement Endpoint Packet Management
*
- * Functions, macros, variables, enums and types related to data reading and writing of data streams from
- * and to endpoints.
- */
+ * Functions, macros, variables, enums and types related to packet management of endpoints.
+ */
-/** @defgroup Group_EndpointPacketManagement Endpoint Packet Management
+/** \ingroup Group_USB
+ * @defgroup Group_EndpointManagement Endpoint Management
*
- * Functions, macros, variables, enums and types related to packet management of endpoints.
+ * Functions, macros and enums related to endpoint management when in USB Device mode. This
+ * module contains the endpoint management macros, as well as endpoint interrupt and data
+ * send/receive functions for various data types.
+ *
+ * @{
*/
#ifndef __ENDPOINT_H__
/* Includes: */
#include <avr/io.h>
- #include <avr/pgmspace.h>
- #include <avr/eeprom.h>
#include <stdbool.h>
#include "../../../Common/Common.h"
#include "../HighLevel/USBTask.h"
#include "USBInterrupt.h"
- #if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__)
- #include "../HighLevel/StreamCallbacks.h"
- #endif
-
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#if !defined(__INCLUDE_FROM_USB_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
#endif
-
+
+ /* Private Interface - For use in library only: */
+ #if !defined(__DOXYGEN__)
+ /* Macros: */
+ #define _ENDPOINT_GET_MAXSIZE(EPIndex) _ENDPOINT_GET_MAXSIZE2(ENDPOINT_DETAILS_EP ## EPIndex)
+ #define _ENDPOINT_GET_MAXSIZE2(EPDetails) _ENDPOINT_GET_MAXSIZE3(EPDetails)
+ #define _ENDPOINT_GET_MAXSIZE3(MaxSize, Banks) (MaxSize)
+
+ #define _ENDPOINT_GET_BANKS(EPIndex) _ENDPOINT_GET_BANKS2(ENDPOINT_DETAILS_EP ## EPIndex)
+ #define _ENDPOINT_GET_BANKS2(EPDetails) _ENDPOINT_GET_BANKS3(EPDetails)
+ #define _ENDPOINT_GET_BANKS3(MaxSize, Banks) (Banks)
+
+ #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
+ #define ENDPOINT_DETAILS_MAXEP 7
+
+ #define ENDPOINT_DETAILS_EP0 64, 2
+ #define ENDPOINT_DETAILS_EP1 256, 2
+ #define ENDPOINT_DETAILS_EP2 64, 2
+ #define ENDPOINT_DETAILS_EP3 64, 2
+ #define ENDPOINT_DETAILS_EP4 64, 2
+ #define ENDPOINT_DETAILS_EP5 64, 2
+ #define ENDPOINT_DETAILS_EP6 64, 2
+ #else
+ #define ENDPOINT_DETAILS_MAXEP 5
+
+ #define ENDPOINT_DETAILS_EP0 64, 2
+ #define ENDPOINT_DETAILS_EP1 64, 1
+ #define ENDPOINT_DETAILS_EP2 64, 1
+ #define ENDPOINT_DETAILS_EP3 64, 2
+ #define ENDPOINT_DETAILS_EP4 64, 2
+ #endif
+
+ /* Inline Functions: */
+ static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST
+ ATTR_ALWAYS_INLINE;
+ static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes)
+ {
+ uint8_t MaskVal = 0;
+ uint16_t CheckBytes = 8;
+
+ while (CheckBytes < Bytes)
+ {
+ MaskVal++;
+ CheckBytes <<= 1;
+ }
+
+ return (MaskVal << EPSIZE0);
+ }
+
+ /* Function Prototypes: */
+ void Endpoint_ClearEndpoints(void);
+ bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
+ const uint8_t UECFG0XData,
+ const uint8_t UECFG1XData);
+
+ #endif
+
/* Public Interface - May be used in end-application: */
/* Macros: */
+ /** \name Endpoint Direction Masks */
+ //@{
/** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
* should be initialized in the OUT direction - i.e. data flows from host to device.
*/
- #define ENDPOINT_DIR_OUT (0 << EPDIR)
+ #define ENDPOINT_DIR_OUT (0 << EPDIR)
/** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
* should be initialized in the IN direction - i.e. data flows from device to host.
*/
- #define ENDPOINT_DIR_IN (1 << EPDIR)
-
+ #define ENDPOINT_DIR_IN (1 << EPDIR)
+ //@}
+
+ /** \name Endpoint Bank Mode Masks */
+ //@{
/** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates
* that the endpoint should have one single bank, which requires less USB FIFO memory but results
* in slower transfers as only one USB device (the AVR or the host) can access the endpoint's
* bank at the one time.
*/
- #define ENDPOINT_BANK_SINGLE (0 << EPBK0)
+ #define ENDPOINT_BANK_SINGLE (0 << EPBK0)
/** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates
* that the endpoint should have two banks, which requires more USB FIFO memory but results
* in faster transfers as one USB device (the AVR or the host) can access one bank while the other
* accesses the second bank.
*/
- #define ENDPOINT_BANK_DOUBLE (1 << EPBK0)
+ #define ENDPOINT_BANK_DOUBLE (1 << EPBK0)
+ //@}
/** Endpoint address for the default control endpoint, which always resides in address 0. This is
* defined for convenience to give more readable code when used with the endpoint macros.
*/
- #define ENDPOINT_CONTROLEP 0
+ #define ENDPOINT_CONTROLEP 0
#if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__))
- /** Default size of the default control endpoint's bank, until altered by the control endpoint bank size
+ /** Default size of the default control endpoint's bank, until altered by the control endpoint bank size
* value in the device descriptor. Not available if the FIXED_CONTROL_ENDPOINT_SIZE token is defined.
*/
- #define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8
+ #define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8
#endif
-
+
/** Endpoint number mask, for masking against endpoint addresses to retrieve the endpoint's
* numerical address in the device.
*/
- #define ENDPOINT_EPNUM_MASK 0x07
+ #define ENDPOINT_EPNUM_MASK 0x07
/** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's
* direction for comparing with the ENDPOINT_DESCRIPTOR_DIR_* masks.
*/
- #define ENDPOINT_EPDIR_MASK 0x80
+ #define ENDPOINT_EPDIR_MASK 0x80
/** Endpoint bank size mask, for masking against endpoint addresses to retrieve the endpoint's
* bank size in the device.
*/
- #define ENDPOINT_EPSIZE_MASK 0x7F
-
+ #define ENDPOINT_EPSIZE_MASK 0x7F
+
/** Maximum size in bytes of a given endpoint.
*
- * \param[in] n Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1)
- */
- #define ENDPOINT_MAX_SIZE(n) _ENDPOINT_GET_MAXSIZE(n)
+ * \param[in] EPIndex Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1)
+ */
+ #define ENDPOINT_MAX_SIZE(EPIndex) _ENDPOINT_GET_MAXSIZE(EPIndex)
- /** Indicates if the given endpoint supports double banking.
+ /** Indicates the total number of banks supported by the given endpoint.
*
- * \param[in] n Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1)
- */
- #define ENDPOINT_DOUBLEBANK_SUPPORTED(n) _ENDPOINT_GET_DOUBLEBANK(n)
+ * \param[in] EPIndex Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1)
+ */
+ #define ENDPOINT_BANKS_SUPPORTED(EPIndex) _ENDPOINT_GET_BANKS(EPIndex)
- #if !defined(CONTROL_ONLY_DEVICE)
- #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || defined(__DOXYGEN__)
- /** Total number of endpoints (including the default control endpoint at address 0) which may
- * be used in the device. Different USB AVR models support different amounts of endpoints,
- * this value reflects the maximum number of endpoints for the currently selected AVR model.
- */
- #define ENDPOINT_TOTAL_ENDPOINTS 7
- #else
- #define ENDPOINT_TOTAL_ENDPOINTS 5
- #endif
+ #if !defined(CONTROL_ONLY_DEVICE) || defined(__DOXYGEN__)
+ /** Total number of endpoints (including the default control endpoint at address 0) which may
+ * be used in the device. Different USB AVR models support different amounts of endpoints,
+ * this value reflects the maximum number of endpoints for the currently selected AVR model.
+ */
+ #define ENDPOINT_TOTAL_ENDPOINTS ENDPOINT_DETAILS_MAXEP
#else
- #define ENDPOINT_TOTAL_ENDPOINTS 1
+ #define ENDPOINT_TOTAL_ENDPOINTS 1
#endif
/* Enums: */
* \ref USB_STREAM_TIMEOUT_MS macro.
*/
};
-
- /** Enum for the possible error return codes of the Endpoint_*_Stream_* functions.
+
+ /* Inline Functions: */
+ /** Configures the specified endpoint number with the given endpoint type, direction, bank size
+ * and banking mode. Once configured, the endpoint may be read from or written to, depending
+ * on its direction.
*
- * \ingroup Group_EndpointStreamRW
- */
- enum Endpoint_Stream_RW_ErrorCodes_t
- {
- ENDPOINT_RWSTREAM_NoError = 0, /**< Command completed successfully, no error. */
- ENDPOINT_RWSTREAM_EndpointStalled = 1, /**< The endpoint was stalled during the stream
- * transfer by the host or device.
- */
- ENDPOINT_RWSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during
- * the transfer.
- */
- ENDPOINT_RWSTREAM_BusSuspended = 3, /**< The USB bus has been suspended by the host and
- * no USB endpoint traffic can occur until the bus
- * has resumed.
- */
- ENDPOINT_RWSTREAM_Timeout = 4, /**< The host failed to accept or send the next packet
- * within the software timeout period set by the
- * \ref USB_STREAM_TIMEOUT_MS macro.
- */
- ENDPOINT_RWSTREAM_CallbackAborted = 5, /**< Indicates that the stream's callback function
- * aborted the transfer early.
- */
- };
-
- /** Enum for the possible error return codes of the Endpoint_*_Control_Stream_* functions..
+ * \param[in] Number Endpoint number to configure. This must be more than 0 and less than
+ * \ref ENDPOINT_TOTAL_ENDPOINTS.
*
- * \ingroup Group_EndpointStreamRW
+ * \param[in] Type Type of endpoint to configure, a EP_TYPE_* mask. Not all endpoint types
+ * are available on Low Speed USB devices - refer to the USB 2.0 specification.
+ *
+ * \param[in] Direction Endpoint data direction, either \ref ENDPOINT_DIR_OUT or \ref ENDPOINT_DIR_IN.
+ * All endpoints (except Control type) are unidirectional - data may only be read
+ * from or written to the endpoint bank based on its direction, not both.
+ *
+ * \param[in] Size Size of the endpoint's bank, where packets are stored before they are transmitted
+ * to the USB host, or after they have been received from the USB host (depending on
+ * the endpoint's data direction). The bank size must indicate the maximum packet size
+ * that the endpoint can handle.
+ *
+ * \param[in] Banks Number of banks to use for the endpoint being configured, an ENDPOINT_BANK_* mask.
+ * More banks uses more USB DPRAM, but offers better performance. Isochronous type
+ * endpoints <b>must</b> have at least two banks.
+ *
+ * \note Endpoints <b>must</b> be configured in ascending order, or bank corruption will occur.
+ * \n\n
+ *
+ * \note Certain models of USB AVR's endpoints may have different maximum packet sizes based on the endpoint's
+ * index - refer to the chosen USB AVR's datasheet to determine the maximum bank size for each endpoint.
+ * \n\n
+ *
+ * \note The default control endpoint should not be manually configured by the user application, as
+ * it is automatically configured by the library internally.
+ * \n\n
+ *
+ * \note This routine will automatically select the specified endpoint upon success. Upon failure, the endpoint
+ * which failed to reconfigure correctly will be selected.
+ *
+ * \return Boolean true if the configuration succeeded, false otherwise.
*/
- enum Endpoint_ControlStream_RW_ErrorCodes_t
+ static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number,
+ const uint8_t Type,
+ const uint8_t Direction,
+ const uint16_t Size,
+ const uint8_t Banks) ATTR_ALWAYS_INLINE;
+ static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number,
+ const uint8_t Type,
+ const uint8_t Direction,
+ const uint16_t Size,
+ const uint8_t Banks)
{
- ENDPOINT_RWCSTREAM_NoError = 0, /**< Command completed successfully, no error. */
- ENDPOINT_RWCSTREAM_HostAborted = 1, /**< The aborted the transfer prematurely. */
- ENDPOINT_RWCSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during
- * the transfer.
- */
- ENDPOINT_RWCSTREAM_BusSuspended = 3, /**< The USB bus has been suspended by the host and
- * no USB endpoint traffic can occur until the bus
- * has resumed.
- */
- };
+ return Endpoint_ConfigureEndpoint_Prv(Number, (((Type) << EPTYPE0) | (Direction)),
+ ((1 << ALLOC) | Banks | Endpoint_BytesToEPSizeMask(Size)));
+ }
- /* Inline Functions: */
/** Indicates the number of bytes currently stored in the current endpoint's selected bank.
*
* \note The return width of this function may differ, depending on the maximum endpoint bank size
return UEBCLX;
#endif
}
-
+
/** Get the endpoint address of the currently selected endpoint. This is typically used to save
* the currently selected endpoint number so that it can be restored after another endpoint has
* been manipulated.
return ENDPOINT_CONTROLEP;
#endif
}
-
+
/** Selects the given endpoint number. If the address from the device descriptors is used, the
* value should be masked with the \ref ENDPOINT_EPNUM_MASK constant to extract only the endpoint
* number (and discarding the endpoint direction bit).
{
#if !defined(CONTROL_ONLY_DEVICE)
UENUM = EndpointNumber;
- #endif
+ #endif
}
-
+
/** Resets the endpoint bank FIFO. This clears all the endpoint banks and resets the USB controller's
* In and Out pointers to the bank's contents.
*
UERST = (1 << EndpointNumber);
UERST = 0;
}
-
+
/** Enables the currently selected endpoint so that data can be sent and received through it to
* and from a host.
*
{
UECONX &= ~(1 << EPEN);
}
-
+
/** Determines if the currently selected endpoint is enabled, but not necessarily configured.
*
* \return Boolean True if the currently selected endpoint is enabled, false otherwise.
{
return ((UECONX & (1 << EPEN)) ? true : false);
}
+
+ /** Aborts all pending IN transactions on the currently selected endpoint, once the bank
+ * has been queued for transmission to the host via \ref Endpoint_ClearIN(). This function
+ * will terminate all queued transactions, resetting the endpoint banks ready for a new
+ * packet.
+ *
+ * \ingroup Group_EndpointPacketManagement
+ */
+ static inline void Endpoint_AbortPendingIN(void)
+ {
+ while (UESTA0X & (0x03 << NBUSYBK0))
+ {
+ UEINTX |= (1 << RXOUTI);
+ while (UEINTX & (1 << RXOUTI));
+ }
+ }
+ /** Retrieves the number of busy banks in the currently selected endpoint, which have been queued for
+ * transmission via the \ref Endpoint_ClearIN() command, or are awaiting acknowledgement via the
+ * \ref Endpoint_ClearOUT() command.
+ *
+ * \ingroup Group_EndpointPacketManagement
+ *
+ * \return Total number of busy banks in the selected endpoint.
+ */
+ static inline uint8_t Endpoint_GetBusyBanks(void)
+ {
+ return (UESTA0X & (0x03 << NBUSYBK0));
+ }
+
/** Determines if the currently selected endpoint may be read from (if data is waiting in the endpoint
* bank and the endpoint is an OUT direction, or if the bank is not yet full if the endpoint is an IN
* direction). This function will return false if an error has occurred in the endpoint, if the endpoint
{
return ((UEINTX & (1 << RWAL)) ? true : false);
}
-
+
/** Determines if the currently selected endpoint is configured.
*
* \return Boolean true if the currently selected endpoint has been configured, false otherwise.
{
return ((UESTA0X & (1 << CFGOK)) ? true : false);
}
-
+
/** Returns a mask indicating which INTERRUPT type endpoints have interrupted - i.e. their
* interrupt duration has elapsed. Which endpoints have interrupted can be determined by
* masking the return value against (1 << {Endpoint Number}).
{
return UEINT;
}
-
+
/** Determines if the specified endpoint number has interrupted (valid only for INTERRUPT type
* endpoints).
*
{
return ((UEINT & (1 << EndpointNumber)) ? true : false);
}
-
- /** Determines if the selected IN endpoint is ready for a new packet.
+
+ /** Determines if the selected IN endpoint is ready for a new packet to be sent to the host.
*
* \ingroup Group_EndpointPacketManagement
*
static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline bool Endpoint_IsINReady(void)
{
- return ((UEINTX & (1 << TXINI)) ? true : false);
+ return ((UEINTX & (1 << TXINI)) ? true : false);
}
-
- /** Determines if the selected OUT endpoint has received new packet.
+
+ /** Determines if the selected OUT endpoint has received new packet from the host.
*
* \ingroup Group_EndpointPacketManagement
*
{
return ((UEINTX & (1 << RXOUTI)) ? true : false);
}
-
+
/** Determines if the current CONTROL type endpoint has received a SETUP packet.
*
* \ingroup Group_EndpointPacketManagement
{
return ((UEINTX & (1 << RXSTPI)) ? true : false);
}
-
+
/** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the
* endpoint for the next packet.
*
* \ingroup Group_EndpointPacketManagement
*
- * \note This is not applicable for non CONTROL type endpoints.
+ * \note This is not applicable for non CONTROL type endpoints.
*/
static inline void Endpoint_ClearSETUP(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ClearSETUP(void)
{
UEINTX &= ~(1 << RXSTPI);
}
-
+
/** Sends an IN packet to the host on the currently selected endpoint, freeing up the endpoint for the
* next packet and switching to the alternative endpoint bank if double banked.
*
UEINTX &= ~(1 << TXINI);
#endif
}
-
+
/** Acknowledges an OUT packet to the host on the currently selected endpoint, freeing up the endpoint
* for the next packet and switching to the alternative endpoint bank if double banked.
*
#if !defined(CONTROL_ONLY_DEVICE)
UEINTX &= ~((1 << RXOUTI) | (1 << FIFOCON));
#else
- UEINTX &= ~(1 << RXOUTI);
+ UEINTX &= ~(1 << RXOUTI);
#endif
}
-
+
/** Stalls the current endpoint, indicating to the host that a logical problem occurred with the
* indicated endpoint and that the current transfer sequence should be aborted. This provides a
* way for devices to indicate invalid commands to the host so that the current transfer can be
{
UECONX |= (1 << STALLRQ);
}
-
+
/** Clears the STALL condition on the currently selected endpoint.
*
* \ingroup Group_EndpointPacketManagement
{
UECONX |= (1 << STALLRQC);
}
-
+
/** Determines if the currently selected endpoint is stalled, false otherwise.
*
* \ingroup Group_EndpointPacketManagement
{
return ((UECONX & (1 << STALLRQ)) ? true : false);
}
-
+
/** Resets the data toggle of the currently selected endpoint. */
static inline void Endpoint_ResetDataToggle(void) ATTR_ALWAYS_INLINE;
static inline void Endpoint_ResetDataToggle(void)
{
UECONX |= (1 << RSTDT);
}
-
+
/** Determines the currently selected endpoint's direction.
*
* \return The currently selected endpoint's direction, as a ENDPOINT_DIR_* mask.
static inline void Endpoint_Discard_Byte(void)
{
uint8_t Dummy;
-
+
Dummy = UEDATX;
}
-
+
/** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT
* direction endpoints.
*
uint16_t Word;
uint8_t Bytes[2];
} Data;
-
+
Data.Bytes[0] = UEDATX;
Data.Bytes[1] = UEDATX;
-
+
return Data.Word;
}
uint16_t Word;
uint8_t Bytes[2];
} Data;
-
+
Data.Bytes[1] = UEDATX;
Data.Bytes[0] = UEDATX;
-
+
return Data.Word;
}
UEDATX = (Word & 0xFF);
UEDATX = (Word >> 8);
}
-
+
/** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN
* direction endpoints.
*
static inline void Endpoint_Discard_Word(void)
{
uint8_t Dummy;
-
+
Dummy = UEDATX;
Dummy = UEDATX;
}
uint32_t DWord;
uint8_t Bytes[4];
} Data;
-
+
Data.Bytes[0] = UEDATX;
Data.Bytes[1] = UEDATX;
Data.Bytes[2] = UEDATX;
Data.Bytes[3] = UEDATX;
-
+
return Data.DWord;
}
uint32_t DWord;
uint8_t Bytes[4];
} Data;
-
+
Data.Bytes[3] = UEDATX;
Data.Bytes[2] = UEDATX;
Data.Bytes[1] = UEDATX;
Data.Bytes[0] = UEDATX;
-
+
return Data.DWord;
}
UEDATX = (DWord >> 16);
UEDATX = (DWord >> 24);
}
-
+
/** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN
* direction endpoints.
*
UEDATX = (DWord & 0xFF);
}
- /** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints.
+ /** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints.
*
* \ingroup Group_EndpointPrimitiveRW
*/
static inline void Endpoint_Discard_DWord(void)
{
uint8_t Dummy;
-
+
Dummy = UEDATX;
Dummy = UEDATX;
Dummy = UEDATX;
#endif
/* Function Prototypes: */
- #if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__)
- #define __CALLBACK_PARAM , StreamCallbackPtr_t Callback
- #else
- #define __CALLBACK_PARAM
- #endif
-
- /** Configures the specified endpoint number with the given endpoint type, direction, bank size
- * and banking mode. Endpoints should be allocated in ascending order by their address in the
- * device (i.e. endpoint 1 should be configured before endpoint 2 and so on) to prevent fragmentation
- * of the USB FIFO memory.
- *
- * The endpoint type may be one of the EP_TYPE_* macros listed in LowLevel.h and the direction
- * may be either \ref ENDPOINT_DIR_OUT or \ref ENDPOINT_DIR_IN.
- *
- * The bank size must indicate the maximum packet size that the endpoint can handle. Different
- * endpoint numbers can handle different maximum packet sizes - refer to the chosen USB AVR's
- * datasheet to determine the maximum bank size for each endpoint.
- *
- * The banking mode may be either \ref ENDPOINT_BANK_SINGLE or \ref ENDPOINT_BANK_DOUBLE.
- *
- * \note The default control endpoint should not be manually configured by the user application, as
- * it is automatically configured by the library internally.
- * \n\n
- *
- * \note This routine will select the specified endpoint, and the endpoint will remain selected
- * once the routine completes regardless of if the endpoint configuration succeeds.
- *
- * \return Boolean true if the configuration succeeded, false otherwise.
+ /** Completes the status stage of a control transfer on a CONTROL type endpoint automatically,
+ * with respect to the data direction. This is a convenience function which can be used to
+ * simplify user control request handling.
*/
- bool Endpoint_ConfigureEndpoint(const uint8_t Number,
- const uint8_t Type,
- const uint8_t Direction,
- const uint16_t Size,
- const uint8_t Banks);
+ void Endpoint_ClearStatusStage(void);
/** Spin-loops until the currently selected non-control endpoint is ready for the next packet of data
* to be read or written to it.
* \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum.
*/
uint8_t Endpoint_WaitUntilReady(void);
-
- /** Completes the status stage of a control transfer on a CONTROL type endpoint automatically,
- * with respect to the data direction. This is a convenience function which can be used to
- * simplify user control request handling.
- */
- void Endpoint_ClearStatusStage(void);
-
- /** Reads and discards the given number of bytes from the endpoint from the given buffer,
- * discarding fully read packets from the host as needed. The last packet is not automatically
- * discarded once the remaining bytes has been read; the user is responsible for manually
- * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between
- * each USB packet, the given stream callback function is executed repeatedly until the next
- * packet is ready, allowing for early aborts of stream transfers.
- *
- * The callback routine should be created according to the information in \ref Group_StreamCallbacks.
- * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
- * disabled and this function has the Callback parameter omitted.
- *
- * \note This routine should not be used on CONTROL type endpoints.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Length Number of bytes to send via the currently selected endpoint.
- * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback.
- *
- * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Discard_Stream(uint16_t Length
- __CALLBACK_PARAM);
-
- /** Writes the given number of bytes to the endpoint from the given buffer in little endian,
- * sending full packets to the host as needed. The last packet filled is not automatically sent;
- * the user is responsible for manually sending the last written packet to the host via the
- * \ref Endpoint_ClearIN() macro. Between each USB packet, the given stream callback function
- * is executed repeatedly until the endpoint is ready to accept the next packet, allowing for early
- * aborts of stream transfers.
- *
- * The callback routine should be created according to the information in \ref Group_StreamCallbacks.
- * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
- * disabled and this function has the Callback parameter omitted.
- *
- * \note This routine should not be used on CONTROL type endpoints.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback.
- *
- * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_Stream_LE(const void* Buffer,
- uint16_t Length
- __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
-
- /** EEPROM buffer source version of \ref Endpoint_Write_Stream_LE().
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback.
- *
- * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_EStream_LE(const void* Buffer,
- uint16_t Length
- __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
-
- /** FLASH buffer source version of \ref Endpoint_Write_Stream_LE().
- *
- * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback.
- *
- * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_PStream_LE(const void* Buffer,
- uint16_t Length
- __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Writes the given number of bytes to the endpoint from the given buffer in big endian,
- * sending full packets to the host as needed. The last packet filled is not automatically sent;
- * the user is responsible for manually sending the last written packet to the host via the
- * \ref Endpoint_ClearIN() macro. Between each USB packet, the given stream callback function
- * is executed repeatedly until the endpoint is ready to accept the next packet, allowing for early
- * aborts of stream transfers.
- *
- * The callback routine should be created according to the information in \ref Group_StreamCallbacks.
- * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
- * disabled and this function has the Callback parameter omitted.
- *
- * \note This routine should not be used on CONTROL type endpoints.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback.
- *
- * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_Stream_BE(const void* Buffer,
- uint16_t Length
- __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
-
- /** EEPROM buffer source version of \ref Endpoint_Write_Stream_BE().
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback.
- *
- * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_EStream_BE(const void* Buffer,
- uint16_t Length
- __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
-
- /** FLASH buffer source version of \ref Endpoint_Write_Stream_BE().
- *
- * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback.
- *
- * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_PStream_BE(const void* Buffer,
- uint16_t Length
- __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Reads the given number of bytes from the endpoint from the given buffer in little endian,
- * discarding fully read packets from the host as needed. The last packet is not automatically
- * discarded once the remaining bytes has been read; the user is responsible for manually
- * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between
- * each USB packet, the given stream callback function is executed repeatedly until the endpoint
- * is ready to accept the next packet, allowing for early aborts of stream transfers.
- *
- * The callback routine should be created according to the information in \ref Group_StreamCallbacks.
- * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
- * disabled and this function has the Callback parameter omitted.
- *
- * \note This routine should not be used on CONTROL type endpoints.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[out] Buffer Pointer to the destination data buffer to write to.
- * \param[in] Length Number of bytes to send via the currently selected endpoint.
- * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback.
- *
- * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Read_Stream_LE(void* Buffer,
- uint16_t Length
- __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
-
- /** EEPROM buffer source version of \ref Endpoint_Read_Stream_LE().
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[out] Buffer Pointer to the destination data buffer to write to, located in EEPROM memory space.
- * \param[in] Length Number of bytes to send via the currently selected endpoint.
- * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback.
- *
- * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Read_EStream_LE(void* Buffer,
- uint16_t Length
- __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Reads the given number of bytes from the endpoint from the given buffer in big endian,
- * discarding fully read packets from the host as needed. The last packet is not automatically
- * discarded once the remaining bytes has been read; the user is responsible for manually
- * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between
- * each USB packet, the given stream callback function is executed repeatedly until the endpoint
- * is ready to accept the next packet, allowing for early aborts of stream transfers.
- *
- * The callback routine should be created according to the information in \ref Group_StreamCallbacks.
- * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are
- * disabled and this function has the Callback parameter omitted.
- *
- * \note This routine should not be used on CONTROL type endpoints.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[out] Buffer Pointer to the destination data buffer to write to.
- * \param[in] Length Number of bytes to send via the currently selected endpoint.
- * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback.
- *
- * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Read_Stream_BE(void* Buffer,
- uint16_t Length
- __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
-
- /** EEPROM buffer source version of \ref Endpoint_Read_Stream_BE().
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[out] Buffer Pointer to the destination data buffer to write to, located in EEPROM memory space.
- * \param[in] Length Number of bytes to send via the currently selected endpoint.
- * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback.
- *
- * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Read_EStream_BE(void* Buffer,
- uint16_t Length
- __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in little endian,
- * sending full packets to the host as needed. The host OUT acknowledgement is not automatically cleared
- * in both failure and success states; the user is responsible for manually clearing the setup OUT to
- * finalize the transfer via the \ref Endpoint_ClearOUT() macro.
- *
- * \note This function automatically clears the control transfer's status stage. Do not manually attempt
- * to clear the status stage when using this routine in a control transaction.
- * \n\n
- *
- * \note This routine should only be used on CONTROL type endpoints.
- *
- * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
- * together; i.e. the entire stream data must be read or written at the one time.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- *
- * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_Control_Stream_LE(const void* Buffer,
- uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
-
- /** EEPROM buffer source version of Endpoint_Write_Control_Stream_LE.
- *
- * \note This function automatically clears the control transfer's status stage. Do not manually attempt
- * to clear the status stage when using this routine in a control transaction.
- * \n\n
- *
- * \note This routine should only be used on CONTROL type endpoints.
- *
- * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
- * together; i.e. the entire stream data must be read or written at the one time.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- *
- * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_Control_EStream_LE(const void* Buffer,
- uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
-
- /** FLASH buffer source version of \ref Endpoint_Write_Control_Stream_LE().
- *
- * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
- *
- * \note This function automatically clears the control transfer's status stage. Do not manually attempt
- * to clear the status stage when using this routine in a control transaction.
- * \n\n
- *
- * \note This routine should only be used on CONTROL type endpoints.
- *
- * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
- * together; i.e. the entire stream data must be read or written at the one time.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- *
- * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_Control_PStream_LE(const void* Buffer,
- uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in big endian,
- * sending full packets to the host as needed. The host OUT acknowledgement is not automatically cleared
- * in both failure and success states; the user is responsible for manually clearing the setup OUT to
- * finalize the transfer via the \ref Endpoint_ClearOUT() macro.
- *
- * \note This function automatically clears the control transfer's status stage. Do not manually attempt
- * to clear the status stage when using this routine in a control transaction.
- * \n\n
- *
- * \note This routine should only be used on CONTROL type endpoints.
- *
- * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
- * together; i.e. the entire stream data must be read or written at the one time.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- *
- * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_Control_Stream_BE(const void* Buffer,
- uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
-
- /** EEPROM buffer source version of \ref Endpoint_Write_Control_Stream_BE().
- *
- * \note This function automatically clears the control transfer's status stage. Do not manually attempt
- * to clear the status stage when using this routine in a control transaction.
- * \n\n
- *
- * \note This routine should only be used on CONTROL type endpoints.
- *
- * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
- * together; i.e. the entire stream data must be read or written at the one time.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- *
- * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_Control_EStream_BE(const void* Buffer,
- uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
-
- /** FLASH buffer source version of \ref Endpoint_Write_Control_Stream_BE().
- *
- * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly.
- *
- * \note This function automatically clears the control transfer's status stage. Do not manually attempt
- * to clear the status stage when using this routine in a control transaction.
- * \n\n
- *
- * \note This routine should only be used on CONTROL type endpoints.
- *
- * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
- * together; i.e. the entire stream data must be read or written at the one time.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[in] Buffer Pointer to the source data buffer to read from.
- * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer.
- *
- * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Write_Control_PStream_BE(const void* Buffer,
- uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Reads the given number of bytes from the CONTROL endpoint from the given buffer in little endian,
- * discarding fully read packets from the host as needed. The device IN acknowledgement is not
- * automatically sent after success or failure states; the user is responsible for manually sending the
- * setup IN to finalize the transfer via the \ref Endpoint_ClearIN() macro.
- *
- * \note This function automatically clears the control transfer's status stage. Do not manually attempt
- * to clear the status stage when using this routine in a control transaction.
- * \n\n
- *
- * \note This routine should only be used on CONTROL type endpoints.
- *
- * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
- * together; i.e. the entire stream data must be read or written at the one time.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[out] Buffer Pointer to the destination data buffer to write to.
- * \param[in] Length Number of bytes to send via the currently selected endpoint.
- *
- * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Read_Control_Stream_LE(void* Buffer,
- uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
-
- /** EEPROM buffer source version of \ref Endpoint_Read_Control_Stream_LE().
- *
- * \note This function automatically clears the control transfer's status stage. Do not manually attempt
- * to clear the status stage when using this routine in a control transaction.
- * \n\n
- *
- * \note This routine should only be used on CONTROL type endpoints.
- *
- * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
- * together; i.e. the entire stream data must be read or written at the one time.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[out] Buffer Pointer to the destination data buffer to write to.
- * \param[in] Length Number of bytes to send via the currently selected endpoint.
- *
- * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Read_Control_EStream_LE(void* Buffer,
- uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Reads the given number of bytes from the CONTROL endpoint from the given buffer in big endian,
- * discarding fully read packets from the host as needed. The device IN acknowledgement is not
- * automatically sent after success or failure states; the user is responsible for manually sending the
- * setup IN to finalize the transfer via the \ref Endpoint_ClearIN() macro.
- *
- * \note This function automatically clears the control transfer's status stage. Do not manually attempt
- * to clear the status stage when using this routine in a control transaction.
- * \n\n
- *
- * \note This routine should only be used on CONTROL type endpoints.
- *
- * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
- * together; i.e. the entire stream data must be read or written at the one time.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[out] Buffer Pointer to the destination data buffer to write to.
- * \param[in] Length Number of bytes to send via the currently selected endpoint.
- *
- * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Read_Control_Stream_BE(void* Buffer,
- uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
-
- /** EEPROM buffer source version of \ref Endpoint_Read_Control_Stream_BE().
- *
- * \note This function automatically clears the control transfer's status stage. Do not manually attempt
- * to clear the status stage when using this routine in a control transaction.
- * \n\n
- *
- * \note This routine should only be used on CONTROL type endpoints.
- *
- * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained
- * together; i.e. the entire stream data must be read or written at the one time.
- *
- * \ingroup Group_EndpointStreamRW
- *
- * \param[out] Buffer Pointer to the destination data buffer to write to.
- * \param[in] Length Number of bytes to send via the currently selected endpoint.
- *
- * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
- */
- uint8_t Endpoint_Read_Control_EStream_BE(void* Buffer,
- uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
-
- /* Private Interface - For use in library only: */
- #if !defined(__DOXYGEN__)
- /* Macros: */
- #define _ENDPOINT_GET_MAXSIZE(n) _ENDPOINT_GET_MAXSIZE2(ENDPOINT_DETAILS_EP ## n)
- #define _ENDPOINT_GET_MAXSIZE2(details) _ENDPOINT_GET_MAXSIZE3(details)
- #define _ENDPOINT_GET_MAXSIZE3(maxsize, db) maxsize
-
- #define _ENDPOINT_GET_DOUBLEBANK(n) _ENDPOINT_GET_DOUBLEBANK2(ENDPOINT_DETAILS_EP ## n)
- #define _ENDPOINT_GET_DOUBLEBANK2(details) _ENDPOINT_GET_DOUBLEBANK3(details)
- #define _ENDPOINT_GET_DOUBLEBANK3(maxsize, db) db
-
- #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
- #define ENDPOINT_DETAILS_EP0 64, true
- #define ENDPOINT_DETAILS_EP1 256, true
- #define ENDPOINT_DETAILS_EP2 64, true
- #define ENDPOINT_DETAILS_EP3 64, true
- #define ENDPOINT_DETAILS_EP4 64, true
- #define ENDPOINT_DETAILS_EP5 64, true
- #define ENDPOINT_DETAILS_EP6 64, true
- #else
- #define ENDPOINT_DETAILS_EP0 64, true
- #define ENDPOINT_DETAILS_EP1 64, false
- #define ENDPOINT_DETAILS_EP2 64, false
- #define ENDPOINT_DETAILS_EP3 64, true
- #define ENDPOINT_DETAILS_EP4 64, true
- #endif
-
- #define Endpoint_ConfigureEndpoint(Number, Type, Direction, Size, Banks) \
- (__builtin_constant_p(Size) ? Endpoint_ConfigureEndpointStatic((Number), \
- (Type), \
- (Direction), \
- Size, Banks) : \
- Endpoint_ConfigureEndpointDynamic((Number), \
- (Type), \
- (Direction), \
- Size, Banks))
-
- /* Function Prototypes: */
- void Endpoint_ClearEndpoints(void);
- uint8_t Endpoint_BytesToEPSizeMaskDynamic(const uint16_t Size);
- bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
- const uint8_t UECFG0XData,
- const uint8_t UECFG1XData);
-
- /* Inline Functions: */
- static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST ATTR_ALWAYS_INLINE;
- static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes)
- {
- uint8_t MaskVal = 0;
- uint16_t CheckBytes = 8;
-
- while (CheckBytes < Bytes)
- {
- MaskVal++;
- CheckBytes <<= 1;
- }
-
- return (MaskVal << EPSIZE0);
- }
-
- static inline bool Endpoint_ConfigureEndpointStatic(const uint8_t Number,
- const uint8_t Type,
- const uint8_t Direction,
- const uint16_t Size,
- const uint8_t Banks)
- {
- return Endpoint_ConfigureEndpoint_Prv(Number, (((Type) << EPTYPE0) | (Direction)),
- ((1 << ALLOC) | Banks | Endpoint_BytesToEPSizeMask(Size)));
- }
-
- static inline bool Endpoint_ConfigureEndpointDynamic(const uint8_t Number,
- const uint8_t Type,
- const uint8_t Direction,
- const uint16_t Size,
- const uint8_t Banks)
- {
- return Endpoint_ConfigureEndpoint_Prv(Number, (((Type) << EPTYPE0) | (Direction)),
- ((1 << ALLOC) | Banks | Endpoint_BytesToEPSizeMaskDynamic(Size)));
- }
- #endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
-
+
#endif
/** @} */
+
projects / pub / USBasp.git / blobdiff