@ -34,7 +34,25 @@
* module contains the endpoint management macros , as well as endpoint interrupt and data
* send / recieve functions for various data types .
*/
/** \ingroup Group_USB
* @ defgroup Group_EndpointManagement Endpoint Management
*
* Functions , macros , variables , enums and types related to the setup and management of endpoints while in USB Device mode .
*
* @ {
*/
/** @defgroup Group_EndpointRW Endpoint Data Reading and Writing
*
* Functions , macros , variables , enums and types related to data reading and writing from and to endpoints .
*/
/** @defgroup Group_EndpointPacketManagement Endpoint Packet Management
*
* Functions , macros , variables , enums and types related to packet management of endpoints .
*/
# ifndef __ENDPOINT_H__
# define __ENDPOINT_H__
@ -85,10 +103,10 @@
*/
# define ENDPOINT_CONTROLEP 0
/** Default size of the default control endpoint's bank, until altered by the Endpoint0Size value
* in the device descriptor . Not available if the FIXED_CONTROL_ENDPOINT_SIZE token is defined .
*/
# if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__))
/** Default size of the default control endpoint's bank, until altered by the Endpoint0Size value
* in the device descriptor . Not available if the FIXED_CONTROL_ENDPOINT_SIZE token is defined .
*/
# define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8
# endif
@ -165,125 +183,271 @@
*/
# define ENDPOINT_INT_OUT UEIENX, (1 << RXOUTE), UEINTX, (1 << RXOUTI)
# if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER) || defined(__DOXYGEN__)
/** Indicates the number of bytes currently stored in the current endpoint's selected bank. */
# define Endpoint_BytesInEndpoint() UEBCX
# else
# define Endpoint_BytesInEndpoint() UEBCLX
# endif
/** Returns 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 .
*/
# define Endpoint_GetCurrentEndpoint() (UENUM & ENDPOINT_EPNUM_MASK)
/* Psuedo-Function Macros: */
# if defined(__DOXYGEN__)
/** 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
* of the selected AVR model .
*
* \ ingroup Group_EndpointRW
*
* \ return Total number of bytes in the currently selected Endpoint ' s FIFO buffer
*/
static inline uint16_t Endpoint_BytesInEndpoint ( void ) ;
/** Selects the given endpoint number. If the address from the device descriptors is used, the
* value should be masked with the ENDPOINT_EPNUM_MASK constant to extract only the endpoint
* number ( and discarding the endpoint direction bit ) .
*
* Any endpoint operations which do not require the endpoint number to be indicated will operate on
* the currently selected endpoint .
*/
# define Endpoint_SelectEndpoint(epnum) MACROS{ UENUM = epnum; }MACROE
/** 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 Index of the currently selected endpoint
*/
static inline uint8_t Endpoint_GetCurrentEndpoint ( void ) ;
/** Selects the given endpoint number. If the address from the device descriptors is used, the
* value should be masked with the ENDPOINT_EPNUM_MASK constant to extract only the endpoint
* number ( and discarding the endpoint direction bit ) .
*
* Any endpoint operations which do not require the endpoint number to be indicated will operate on
* the currently selected endpoint .
*
* \ param EndpointNumber Endpoint number to select
*/
static inline void Endpoint_SelectEndpoint ( uint8_t EndpointNumber ) ;
/** 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 .
*
* \ param EndpointNumber Endpoint number whose FIFO buffers are to be reset
*/
static inline void Endpoint_ResetFIFO ( uint8_t EndpointNumber ) ;
/** Enables the currently selected endpoint so that data can be sent and received through it to
* and from a host .
*
* \ note Endpoints must first be configured properly rather than just being enabled via the
* Endpoint_ConfigureEndpoint ( ) macro , which calls Endpoint_EnableEndpoint ( ) automatically .
*/
static inline void Endpoint_EnableEndpoint ( void ) ;
/** 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 .
*/
# define Endpoint_ResetFIFO(epnum) MACROS{ UERST = (1 << epnum); UERST = 0; }MACROE
/** Disables the currently selected endpoint so that data cannot be sent and received through it
* to and from a host .
*/
static inline void Endpoint_DisableEndpoint ( void ) ;
/** Determines if the currently selected endpoint is enabled, but not necessarily configured.
*
* \ return Boolean True if the currently selected endpoint is enabled , false otherwise
*/
static inline bool Endpoint_IsEnabled ( void ) ;
/** 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
* is an OUT direction and no packet ( or an empty packet ) has been received , or if the endpoint is an IN
* direction and the endpoint bank is full .
*
* \ ingroup Group_EndpointPacketManagement
*
* \ return Boolean true if the currently selected endpoint may be read from or written to , depending on its direction
*/
static inline bool Endpoint_IsReadWriteAllowed ( void ) ;
/** Determines if the currently selected endpoint is configured.
*
* \ return Boolean true if the currently selected endpoint has been configured , false otherwise
*/
static inline bool Endpoint_IsConfigured ( void ) ;
/** 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 Mask whose bits indicate which endpoints have interrupted
*/
static inline uint8_t Endpoint_GetEndpointInterrupts ( void ) ;
/** Clears the endpoint interrupt flag. This clears the specified endpoint number's interrupt
* mask in the endpoint interrupt flag register .
*
* \ param EndpointNumber Index of the endpoint whose interrupt flag should be cleared
*/
static inline void Endpoint_ClearEndpointInterrupt ( uint8_t EndpointNumber ) ;
/** Determines if the specified endpoint number has interrupted (valid only for INTERRUPT type
* endpoints ) .
*
* \ param EndpointNumber Index of the endpoint whose interrupt flag should be tested
*
* \ return Boolean true if the specified endpoint has interrupted , false otherwise
*/
static inline bool Endpoint_HasEndpointInterrupted ( uint8_t EndpointNumber ) ;
/** Determines if the selected IN endpoint is ready for a new packet.
*
* \ ingroup Group_EndpointPacketManagement
*
* \ return Boolean true if the current endpoint is ready for an IN packet , false otherwise .
*/
static inline bool Endpoint_IsINReady ( void ) ;
/** Determines if the selected OUT endpoint has received new packet.
*
* \ ingroup Group_EndpointPacketManagement
*
* \ return Boolean true if current endpoint is has received an OUT packet , false otherwise .
*/
static inline bool Endpoint_IsOUTReceived ( void ) ;
/** Determines if the current CONTROL type endpoint has received a SETUP packet.
*
* \ ingroup Group_EndpointPacketManagement
*
* \ return Boolean true if the selected endpoint has received a SETUP packet , false otherwise .
*/
static inline bool Endpoint_IsSETUPReceived ( void ) ;
/** 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 .
*/
static inline void Endpoint_ClearControlSETUP ( void ) ;
/** Sends an IN packet to the host on the currently selected CONTROL type endpoint, freeing up the
* endpoint for the next packet .
*
* \ ingroup Group_EndpointPacketManagement
*
* \ note For non CONTROL type endpoints , use Endpoint_ClearIN ( ) instead .
*/
static inline void Endpoint_ClearControlIN ( void ) ;
/** Acknowledges an OUT packet to the host on the currently selected CONTROL type endpoint, freeing
* up the endpoint for the next packet .
*
* \ ingroup Group_EndpointPacketManagement
*
* \ note For non CONTROL type endpoints , use Endpoint_ClearOUT ( ) instead .
*/
static inline void Endpoint_ClearControlOUT ( void ) ;
/** Sends an IN packet to the host on the currently selected non CONTROL type endpoint, freeing
* up the endpoint for the next packet and switching to the alternative endpoint bank if double banked .
*
* \ ingroup Group_EndpointPacketManagement
*
* \ note For CONTROL type endpoints , use Endpoint_ClearControlIN ( ) instead .
*/
static inline void Endpoint_ClearIN ( void ) ;
/** Acknowledges an OUT packet to the host on the currently selected non CONTROL type endpoint, freeing
* up the endpoint for the next packet and switching to the alternative endpoint bank if double banked .
*
* \ ingroup Group_EndpointPacketManagement
*
* \ note For CONTROL type endpoints , use Endpoint_ClearControlOUT ( ) instead .
*/
static inline void Endpoint_ClearOUT ( void ) ;
/** 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
* aborted and the host can begin its own recovery sequence .
*
* The currently selected endpoint remains stalled until either the Endpoint_ClearStall ( ) macro
* is called , or the host issues a CLEAR FEATURE request to the device for the currently selected
* endpoint .
*
* \ ingroup Group_EndpointPacketManagement
*/
static inline void Endpoint_StallTransaction ( void ) ;
/** Clears the STALL condition on the currently selected endpoint.
*
* \ ingroup Group_EndpointPacketManagement
*/
static inline void Endpoint_ClearStall ( void ) ;
/** Determines if the currently selected endpoint is stalled, false otherwise.
*
* \ ingroup Group_EndpointPacketManagement
*
* \ return Boolean true if the currently selected endpoint is stalled , false otherwise
*/
static inline bool Endpoint_IsStalled ( void ) ;
/** Resets the data toggle of the currently selected endpoint. */
static inline void Endpoint_ResetDataToggle ( void ) ;
/** Determines the currently selected endpoint's direction.
*
* \ return The currently selected endpoint ' s direction , as a ENDPOINT_DIR_ * mask .
*/
static inline uint8_t Endpoint_GetEndpointDirection ( void ) ;
# else
# if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER) || defined(__DOXYGEN__)
# define Endpoint_BytesInEndpoint() UEBCX
# else
# define Endpoint_BytesInEndpoint() UEBCLX
# endif
# define Endpoint_GetCurrentEndpoint() (UENUM & ENDPOINT_EPNUM_MASK)
# define Endpoint_SelectEndpoint(epnum) MACROS{ UENUM = epnum; }MACROE
/** Enables the currently selected endpoint so that data can be sent and received through it to
* and from a host .
*
* \ note Endpoints must first be configured properly rather than just being enabled via the
* Endpoint_ConfigureEndpoint ( ) macro , which calls Endpoint_EnableEndpoint ( ) automatically .
*/
# define Endpoint_EnableEndpoint() MACROS{ UECONX |= (1 << EPEN); }MACROE
# define Endpoint_ResetFIFO(epnum) MACROS{ UERST = (1 << epnum); UERST = 0; }MACROE
/** Disables the currently selected endpoint so that data cannot be sent and received through it
* to and from a host .
*/
# define Endpoint_DisableEndpoint() MACROS{ UECONX &= ~(1 << EPEN); }MACROE
# define Endpoint_EnableEndpoint() MACROS{ UECONX |= (1 << EPEN); }MACROE
/** Returns true if the currently selected endpoint is enabled, false otherwise. */
# define Endpoint_IsEnabled() ((UECONX & (1 << EPEN)) ? true : false)
# define Endpoint_DisableEndpoint() MACROS{ UECONX &= ~(1 << EPEN); }MACROE
/** Returns true 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 , or if
* the endpoint is an OUT direction and no packet has been received , or if the endpoint is an IN
* direction and the endpoint bank is full .
*/
# define Endpoint_ReadWriteAllowed() ((UEINTX & (1 << RWAL)) ? true : false)
# define Endpoint_IsEnabled() ((UECONX & (1 << EPEN)) ? true : false)
/** Returns true if the currently selected endpoint is configured, false otherwise. */
# define Endpoint_IsConfigured() ((UESTA0X & (1 << CFGOK)) ? true : false)
# define Endpoint_IsReadWriteAllowed() ((UEINTX & (1 << RWAL)) ? 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 } ) .
*/
# define Endpoint_GetEndpointInterrupts() UEINT
# define Endpoint_IsConfigured() ((UESTA0X & (1 << CFGOK)) ? true : false)
/** Clears the endpoint interrupt flag. This clears the specified endpoint number's interrupt
* mask in the endpoint interrupt flag register .
*/
# define Endpoint_ClearEndpointInterrupt(n) MACROS{ UEINT &= ~(1 << n); }MACROE
# define Endpoint_GetEndpointInterrupts() UEINT
/** Returns true if the specified endpoint number has interrupted (valid only for INTERRUPT type
* endpoints ) , false otherwise .
*/
# define Endpoint_HasEndpointInterrupted(n) ((UEINT & (1 << n)) ? true : false)
# define Endpoint_ClearEndpointInterrupt(n) MACROS{ UEINT &= ~(1 << n); }MACROE
/** Clears the currently selected endpoint bank, and switches to the alternate bank if the currently
* selected endpoint is dual - banked . When cleared , this either frees the bank up for the next packet
* from the host ( if the endpoint is of the OUT direction ) or sends the packet contents to the host
* ( if the endpoint is of the IN direction ) .
*/
# define Endpoint_ClearCurrentBank() MACROS{ UEINTX &= ~(1 << FIFOCON); }MACROE
/** Returns true if the current CONTROL type endpoint is ready for an IN packet, false otherwise. */
# define Endpoint_IsSetupINReady() ((UEINTX & (1 << TXINI)) ? true : false)
# define Endpoint_HasEndpointInterrupted(n) ((UEINT & (1 << n)) ? true : false)
# define Endpoint_IsINReady() ((UEINTX & (1 << TXINI)) ? true : false)
# define Endpoint_IsOUTReceived() ((UEINTX & (1 << RXOUTI)) ? true : false)
/** Returns true if the current CONTROL type endpoint is ready for an OUT packet, false otherwise. */
# define Endpoint_IsSetupOUTReceived() ((UEINTX & (1 << RXOUTI)) ? true : false)
# define Endpoint_IsSETUPReceived() ((UEINTX & (1 << RXSTPI)) ? true : false)
/** Returns true if the current CONTROL type endpoint is ready for a SETUP packet, false otherwise. */
# define Endpoint_IsSetupReceived() ((UEINTX & (1 << RXSTPI)) ? true : false)
# define Endpoint_ClearControlSETUP() MACROS{ UEINTX &= ~(1 << RXSTPI); }MACROE
/** Clears a received SETUP packet on the currently selected CONTROL type endpoint. */
# define Endpoint_ClearSetupReceived() MACROS{ UEINTX &= ~(1 << RXSTPI); }MACROE
# define Endpoint_ClearControlIN() MACROS{ UEINTX &= ~(1 << TXINI); }MACROE
/** Sends an IN packet to the host on the currently selected CONTROL type endpoint. */
# define Endpoint_ClearSetupIN() MACROS{ UEINTX &= ~(1 << TXINI); }MACROE
# define Endpoint_ClearControlOUT() MACROS{ UEINTX &= ~(1 << RXOUTI); }MACROE
/** Acknowledges an OUT packet to the host on the currently selected CONTROL type endpoint, freeing
* up the endpoint for the next packet .
*/
# define Endpoint_ClearSetupOUT() MACROS{ UEINTX &= ~(1 << RXOUTI); }MACROE
# define Endpoint_ClearIN() MACROS{ UEINTX &= ~(1 << TXINI); UEINTX &= ~(1 << FIFOCON); }MACROE
/** 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
* aborted and the host can begin its own recovery sequence .
*
* The currently selected endpoint remains stalled until either the Endpoint_ClearStall ( ) macro
* is called , or the host issues a CLEAR FEATURE request to the device for the currently selected
* endpoint .
*/
# define Endpoint_StallTransaction() MACROS{ UECONX |= (1 << STALLRQ); }MACROE
# define Endpoint_ClearOUT() MACROS{ UEINTX &= ~(1 << RXOUTI); UEINTX &= ~(1 << FIFOCON); }MACROE
/** Clears the stall on the currently selected endpoint. */
# define Endpoint_ClearStall() MACROS{ UECONX |= (1 << STALLRQC); }MACROE
# define Endpoint_StallTransaction() MACROS{ UECONX |= (1 << STALLRQ); }MACROE
/** Returns true if the currently selected endpoint is stalled, false otherwise. */
# define Endpoint_IsStalled() ((UECONX & (1 << STALLRQ)) ? true : false)
# define Endpoint_ClearStall() MACROS{ UECONX |= (1 << STALLRQC); }MACROE
/** Resets the data toggle of the currently selected endpoint. */
# define Endpoint_ResetDataToggle() MACROS{ UECONX |= (1 << RSTDT); }MACROE
# define Endpoint_IsStalled() ((UECONX & (1 << STALLRQ)) ? true : false)
# define Endpoint_ResetDataToggle() MACROS{ UECONX |= (1 << RSTDT); }MACROE
# define Endpoint_GetEndpointDirection() (UECFG0X & ENDPOINT_DIR_IN)
# endif
/* Enums: */
/** Enum for the possible error return codes of the Endpoint_WaitUntilReady function */
/** Enum for the possible error return codes of the Endpoint_WaitUntilReady function.
*
* \ ingroup Group_EndpointRW
*/
enum Endpoint_WaitUntilReady_ErrorCodes_t
{
ENDPOINT_READYWAIT_NoError = 0 , /**< Endpoint is ready for next packet, no error. */
@ -299,7 +463,10 @@
*/
} ;
/** Enum for the possible error return codes of the Endpoint_*_Stream_* functions. */
/** Enum for the possible error return codes of the Endpoint_*_Stream_* functions.
*
* \ ingroup Group_EndpointRW
*/
enum Endpoint_Stream_RW_ErrorCodes_t
{
ENDPOINT_RWSTREAM_ERROR_NoError = 0 , /**< Command completed successfully, no error. */
@ -318,7 +485,10 @@
*/
} ;
/** Enum for the possible error return codes of the Endpoint_*_Control_Stream_* functions. */
/** Enum for the possible error return codes of the Endpoint_*_Control_Stream_* functions..
*
* \ ingroup Group_EndpointRW
*/
enum Endpoint_ControlStream_RW_ErrorCodes_t
{
ENDPOINT_RWCSTREAM_ERROR_NoError = 0 , /**< Command completed successfully, no error. */
@ -326,21 +496,34 @@
} ;
/* Inline Functions: */
/** Reads one byte from the currently selected endpoint's bank, for OUT direction endpoints. */
/** Reads one byte from the currently selected endpoint's bank, for OUT direction endpoints.
*
* \ ingroup Group_EndpointRW
*
* \ return Next byte in the currently selected endpoint ' s FIFO buffer
*/
static inline uint8_t Endpoint_Read_Byte ( void ) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE ;
static inline uint8_t Endpoint_Read_Byte ( void )
{
return UEDATX ;
}
/** Writes one byte from the currently selected endpoint's bank, for IN direction endpoints. */
/** Writes one byte from the currently selected endpoint's bank, for IN direction endpoints.
*
* \ ingroup Group_EndpointRW
*
* \ param Byte Next byte to write into the the currently selected endpoint ' s FIFO buffer
*/
static inline void Endpoint_Write_Byte ( const uint8_t Byte ) ATTR_ALWAYS_INLINE ;
static inline void Endpoint_Write_Byte ( const uint8_t Byte )
{
UEDATX = Byte ;
}
/** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints. */
/** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints.
*
* \ ingroup Group_EndpointRW
*/
static inline void Endpoint_Discard_Byte ( void ) ATTR_ALWAYS_INLINE ;
static inline void Endpoint_Discard_Byte ( void )
{
@ -351,6 +534,10 @@
/** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT
* direction endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ return Next word in the currently selected endpoint ' s FIFO buffer
*/
static inline uint16_t Endpoint_Read_Word_LE ( void ) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE ;
static inline uint16_t Endpoint_Read_Word_LE ( void )
@ -365,6 +552,10 @@
/** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT
* direction endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ return Next word in the currently selected endpoint ' s FIFO buffer
*/
static inline uint16_t Endpoint_Read_Word_BE ( void ) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE ;
static inline uint16_t Endpoint_Read_Word_BE ( void )
@ -379,6 +570,10 @@
/** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN
* direction endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ param Word Next word to write to the currently selected endpoint ' s FIFO buffer
*/
static inline void Endpoint_Write_Word_LE ( const uint16_t Word ) ATTR_ALWAYS_INLINE ;
static inline void Endpoint_Write_Word_LE ( const uint16_t Word )
@ -389,6 +584,10 @@
/** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN
* direction endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ param Word Next word to write to the currently selected endpoint ' s FIFO buffer
*/
static inline void Endpoint_Write_Word_BE ( const uint16_t Word ) ATTR_ALWAYS_INLINE ;
static inline void Endpoint_Write_Word_BE ( const uint16_t Word )
@ -397,7 +596,10 @@
UEDATX = ( Word & 0xFF ) ;
}
/** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints. */
/** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints.
*
* \ ingroup Group_EndpointRW
*/
static inline void Endpoint_Discard_Word ( void ) ATTR_ALWAYS_INLINE ;
static inline void Endpoint_Discard_Word ( void )
{
@ -409,6 +611,10 @@
/** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT
* direction endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ return Next double word in the currently selected endpoint ' s FIFO buffer
*/
static inline uint32_t Endpoint_Read_DWord_LE ( void ) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE ;
static inline uint32_t Endpoint_Read_DWord_LE ( void )
@ -429,6 +635,10 @@
/** Reads four bytes from the currently selected endpoint's bank in big endian format, for OUT
* direction endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ return Next double word in the currently selected endpoint ' s FIFO buffer
*/
static inline uint32_t Endpoint_Read_DWord_BE ( void ) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE ;
static inline uint32_t Endpoint_Read_DWord_BE ( void )
@ -449,6 +659,10 @@
/** Writes four bytes to the currently selected endpoint's bank in little endian format, for IN
* direction endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ param DWord Next double word to write to the currently selected endpoint ' s FIFO buffer
*/
static inline void Endpoint_Write_DWord_LE ( const uint32_t DWord ) ATTR_ALWAYS_INLINE ;
static inline void Endpoint_Write_DWord_LE ( const uint32_t DWord )
@ -461,6 +675,10 @@
/** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN
* direction endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ param DWord Next double word to write to the currently selected endpoint ' s FIFO buffer
*/
static inline void Endpoint_Write_DWord_BE ( const uint32_t DWord ) ATTR_ALWAYS_INLINE ;
static inline void Endpoint_Write_DWord_BE ( const uint32_t DWord )
@ -471,7 +689,10 @@
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_EndpointRW
*/
static inline void Endpoint_Discard_DWord ( void ) ATTR_ALWAYS_INLINE ;
static inline void Endpoint_Discard_DWord ( void )
{
@ -539,6 +760,8 @@
*
* \ note This routine should not be called on CONTROL type endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ return A value from the Endpoint_WaitUntilReady_ErrorCodes_t enum .
*/
uint8_t Endpoint_WaitUntilReady ( void ) ;
@ -546,7 +769,7 @@
/** 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 Endpoint_Clear CurrentBank ( ) macro . Between
* discarding the last packet from the host via the Endpoint_Clear OUT ( ) 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 .
*
@ -556,6 +779,8 @@
*
* \ note This routine should not be used on CONTROL type endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ param Length Number of bytes to send via the currently selected endpoint .
* \ param Callback Name of a callback routine to call between successive USB packet transfers , NULL if no callback
*
@ -570,7 +795,7 @@
/** 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
* Endpoint_Clear CurrentBank ( ) macro . Between each USB packet , the given stream callback function
* Endpoint_Clear IN ( ) 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 .
*
@ -580,6 +805,8 @@
*
* \ note This routine should not be used on CONTROL type endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ param Buffer Pointer to the source data buffer to read from .
* \ param Length Number of bytes to read for the currently selected endpoint into the buffer .
* \ param Callback Name of a callback routine to call between successive USB packet transfers , NULL if no callback
@ -595,7 +822,7 @@
/** 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
* Endpoint_Clear CurrentBank ( ) macro . Between each USB packet , the given stream callback function
* Endpoint_Clear IN ( ) 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 .
*
@ -605,6 +832,8 @@
*
* \ note This routine should not be used on CONTROL type endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ param Buffer Pointer to the source data buffer to read from .
* \ param Length Number of bytes to read for the currently selected endpoint into the buffer .
* \ param Callback Name of a callback routine to call between successive USB packet transfers , NULL if no callback
@ -620,7 +849,7 @@
/** 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 Endpoint_Clear CurrentBank ( ) macro . Between
* discarding the last packet from the host via the Endpoint_Clear OUT ( ) 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 .
*
@ -630,6 +859,8 @@
*
* \ note This routine should not be used on CONTROL type endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ param Buffer Pointer to the destination data buffer to write to .
* \ param Length Number of bytes to send via the currently selected endpoint .
* \ param Callback Name of a callback routine to call between successive USB packet transfers , NULL if no callback
@ -645,7 +876,7 @@
/** 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 Endpoint_Clear CurrentBank ( ) macro . Between
* discarding the last packet from the host via the Endpoint_Clear OUT ( ) 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 .
*
@ -655,6 +886,8 @@
*
* \ note This routine should not be used on CONTROL type endpoints .
*
* \ ingroup Group_EndpointRW
*
* \ param Buffer Pointer to the destination data buffer to write to .
* \ param Length Number of bytes to send via the currently selected endpoint .
* \ param Callback Name of a callback routine to call between successive USB packet transfers , NULL if no callback
@ -670,13 +903,15 @@
/** 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 Endpoint_Clear Setup OUT( ) macro .
* finalize the transfer via the Endpoint_Clear Control OUT( ) macro .
*
* \ 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_EndpointRW
*
* \ param Buffer Pointer to the source data buffer to read from .
* \ param Length Number of bytes to read for the currently selected endpoint into the buffer .
*
@ -687,13 +922,15 @@
/** 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 Endpoint_Clear Setup OUT( ) macro .
* finalize the transfer via the Endpoint_Clear Control OUT( ) macro .
*
* \ 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_EndpointRW
*
* \ param Buffer Pointer to the source data buffer to read from .
* \ param Length Number of bytes to read for the currently selected endpoint into the buffer .
*
@ -704,13 +941,15 @@
/** 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 Endpoint_Clear Setup IN( ) macro .
* setup IN to finalize the transfer via the Endpoint_Clear Control IN( ) macro .
*
* \ 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_EndpointRW
*
* \ param Buffer Pointer to the destination data buffer to write to .
* \ param Length Number of bytes to send via the currently selected endpoint .
*
@ -721,80 +960,21 @@
/** 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 Endpoint_Clear Setup IN( ) macro .
* setup IN to finalize the transfer via the Endpoint_Clear Control IN( ) macro .
*
* \ 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_EndpointRW
*
* \ param Buffer Pointer to the destination data buffer to write to .
* \ param Length Number of bytes to send via the currently selected endpoint .
*
* \ return A value from the Endpoint_ControlStream_RW_ErrorCodes_t enum .
*/
uint8_t Endpoint_Read_Control_Stream_BE ( void * Buffer , uint16_t Length ) ATTR_NON_NULL_PTR_ARG ( 1 ) ;
/* Function Aliases: */
/** Alias for Endpoint_Discard_Byte().
*/
# define Endpoint_Ignore_Byte() Endpoint_Discard_Byte()
/** Alias for Endpoint_Discard_Word().
*/
# define Endpoint_Ignore_Word() Endpoint_Discard_Word()
/** Alias for Endpoint_Discard_DWord().
*/
# define Endpoint_Ignore_DWord() Endpoint_Discard_DWord()
/** Alias for Endpoint_Read_Word_LE(). By default USB transfers use little endian format, thus
* the command with no endianness specified indicates little endian mode .
*/
# define Endpoint_Read_Word() Endpoint_Read_Word_LE()
/** Alias for Endpoint_Write_Word_LE(). By default USB transfers use little endian format, thus
* the command with no endianness specified indicates little endian mode .
*/
# define Endpoint_Write_Word(Word) Endpoint_Write_Word_LE(Word)
/** Alias for Endpoint_Read_DWord_LE(). By default USB transfers use little endian format, thus
* the command with no endianness specified indicates little endian mode .
*/
# define Endpoint_Read_DWord() Endpoint_Read_DWord_LE()
/** Alias for Endpoint_Write_DWord_LE(). By default USB transfers use little endian format, thus
* the command with no endianness specified indicates little endian mode .
*/
# define Endpoint_Write_DWord(DWord) Endpoint_Write_DWord_LE(DWord)
/** Alias for Endpoint_Read_Stream_LE(). By default USB transfers use little endian format, thus
* the command with no endianness specified indicates little endian mode .
*/
# if !defined(NO_STREAM_CALLBACKS)
# define Endpoint_Read_Stream(Buffer, Length, Callback) Endpoint_Read_Stream_LE(Buffer, Length, Callback)
# else
# define Endpoint_Read_Stream(Buffer, Length) Endpoint_Read_Stream_LE(Buffer, Length)
# endif
/** Alias for Endpoint_Write_Stream_LE(). By default USB transfers use little endian format, thus
* the command with no endianness specified indicates little endian mode .
*/
# if !defined(NO_STREAM_CALLBACKS)
# define Endpoint_Write_Stream(Buffer, Length, Callback) Endpoint_Write_Stream_LE(Buffer, Length, Callback)
# else
# define Endpoint_Write_Stream(Buffer, Length) Endpoint_Write_Stream_LE(Buffer, Length)
# endif
/** Alias for Endpoint_Read_Control_Stream_LE(). By default USB transfers use little endian format, thus
* the command with no endianness specified indicates little endian mode .
*/
# define Endpoint_Read_Control_Stream(Data, Length) Endpoint_Read_Control_Stream_LE(Data, Length)
/** Alias for Endpoint_Write_Control_Stream_LE(). By default USB transfers use little endian format, thus
* the command with no endianness specified indicates little endian mode .
*/
# define Endpoint_Write_Control_Stream(Data, Length) Endpoint_Write_Control_Stream_LE(Data, Length)
uint8_t Endpoint_Read_Control_Stream_BE ( void * Buffer , uint16_t Length ) ATTR_NON_NULL_PTR_ARG ( 1 ) ;
/* Private Interface - For use in library only: */
# if !defined(__DOXYGEN__)
@ -868,3 +1048,5 @@
# endif
# endif
/** @} */
Dean Camera
16 years ago