diff options
Diffstat (limited to 'LUFA/Drivers/USB/LowLevel/Endpoint.h')
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Endpoint.h | 538 |
1 files changed, 360 insertions, 178 deletions
diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.h b/LUFA/Drivers/USB/LowLevel/Endpoint.h index c0eab3584..2223f0ca4 100644 --- a/LUFA/Drivers/USB/LowLevel/Endpoint.h +++ b/LUFA/Drivers/USB/LowLevel/Endpoint.h @@ -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_ClearCurrentBank() macro. Between
+ * discarding the last packet from the host via the 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.
*
@@ -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_ClearCurrentBank() macro. Between each USB packet, the given stream callback function
+ * 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.
*
@@ -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_ClearCurrentBank() macro. Between each USB packet, the given stream callback function
+ * 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.
*
@@ -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_ClearCurrentBank() macro. Between
+ * discarding the last packet from the host via the 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.
*
@@ -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_ClearCurrentBank() macro. Between
+ * discarding the last packet from the host via the 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.
*
@@ -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_ClearSetupOUT() macro.
+ * finalize the transfer via the Endpoint_ClearControlOUT() 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_ClearSetupOUT() macro.
+ * finalize the transfer via the Endpoint_ClearControlOUT() 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_ClearSetupIN() macro.
+ * setup IN to finalize the transfer via the Endpoint_ClearControlIN() 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_ClearSetupIN() macro.
+ * setup IN to finalize the transfer via the Endpoint_ClearControlIN() 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
+
+/** @} */
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