USB endpoint drivers
[USB low level drivers]

These macros manage the common features of the endpoints. More...

Defines

#define Usb_select_endpoint(ep)   (UENUM = (U8)ep )
 selects the endpoint number to interface with the CPU
#define Usb_get_selected_endpoint()   (UENUM )
 get the currently selected endpoint number
#define Usb_reset_endpoint(ep)   (UERST = 1 << (U8)ep, UERST = 0)
 resets the selected endpoint
#define Usb_enable_endpoint()   (UECONX |= (1<<EPEN))
 enables the current endpoint
#define Usb_enable_stall_handshake()   (UECONX |= (1<<STALLRQ))
 enables the STALL handshake for the next transaction
#define Usb_reset_data_toggle()   (UECONX |= (1<<RSTDT))
 resets the data toggle sequence
#define Usb_disable_endpoint()   (UECONX &= ~(1<<EPEN))
 disables the current endpoint
#define Usb_disable_stall_handshake()   (UECONX |= (1<<STALLRQC))
 disables the STALL handshake
#define Usb_select_epnum_for_cpu()   (UECONX &= ~(1<<EPNUMS))
 selects endpoint interface on CPU
#define Is_usb_endpoint_enabled()   ((UECONX & (1<<EPEN)) ? TRUE : FALSE)
 tests if the current endpoint is enabled
#define Is_usb_endpoint_disabled()   ((UECONX & (1<<EPEN)) ? FALSE : TRUE)
 tests if the current endpoint is disabled
#define Is_usb_endpoint_stall_requested()   ((UECONX & (1<<STALLRQ)) ? TRUE : FALSE)
 tests if STALL handshake request is running
#define Usb_configure_endpoint_type(type)   (UECFG0X = (UECFG0X & ~(MSK_EPTYPE)) | ((U8)type << 6))
 configures the current endpoint
#define Usb_configure_endpoint_direction(dir)   (UECFG0X = (UECFG0X & ~(1<<EPDIR)) | ((U8)dir))
 configures the current endpoint direction
#define Usb_configure_endpoint_size(size)   (UECFG1X = (UECFG1X & ~MSK_EPSIZE) | ((U8)size << 4))
 configures the current endpoint size
#define Usb_configure_endpoint_bank(bank)   (UECFG1X = (UECFG1X & ~MSK_EPBK) | ((U8)bank << 2))
 configures the current endpoint number of banks
#define Usb_allocate_memory()   (UECFG1X |= (1<<ALLOC))
 allocates the current configuration in DPRAM memory
#define Usb_unallocate_memory()   (UECFG1X &= ~(1<<ALLOC))
 un-allocates the current configuration in DPRAM memory
#define Usb_ack_overflow_interrupt()   (UESTA0X &= ~(1<<OVERFI))
 acks endpoint overflow interrupt
#define Usb_ack_underflow_interrupt()   (UESTA0X &= ~(1<<UNDERFI))
 acks endpoint underflow memory
#define Usb_ack_zlp()   (UESTA0X &= ~(1<<ZLPSEEN))
 acks Zero Length Packet received
#define Usb_data_toggle()   ((UESTA0X&MSK_DTSEQ) >> 2)
 returns data toggle
#define Usb_nb_busy_bank()   (UESTA0X & MSK_NBUSYBK)
 returns the number of busy banks
#define Is_usb_one_bank_busy()   ((UESTA0X & MSK_NBUSYBK) == 0 ? FALSE : TRUE)
 tests if at least one bank is busy
#define Is_endpoint_configured()   ((UESTA0X & (1<<CFGOK)) ? TRUE : FALSE)
 tests if current endpoint is configured
#define Is_usb_overflow()   ((UESTA0X & (1<<OVERFI)) ? TRUE : FALSE)
 tests if an overflows occurs
#define Is_usb_underflow()   ((UESTA0X & (1<<UNDERFI)) ? TRUE : FALSE)
 tests if an underflow occurs
#define Is_usb_zlp()   ((UESTA0X & (1<<ZLPSEEN)) ? TRUE : FALSE)
 tests if a ZLP has been detected
#define Usb_control_direction()   ((UESTA1X & (1<<CTRLDIR)) >> 2)
 returns the control direction
#define Usb_current_bank()   ( UESTA1X & MSK_CURRBK)
 returns the number of the current bank
#define Usb_ack_fifocon()   (UEINTX &= ~(1<<FIFOCON))
 clears FIFOCON bit
#define Usb_ack_nak_in()   (UEINTX &= ~(1<<NAKINI))
 acks NAK IN received
#define Usb_ack_nak_out()   (UEINTX &= ~(1<<NAKOUTI))
 acks NAK OUT received
#define Usb_ack_receive_setup()   (UEINTX &= ~(1<<RXSTPI))
 acks receive SETUP
#define Usb_ack_receive_out()   (UEINTX &= ~(1<<RXOUTI), Usb_ack_fifocon())
 acks reveive OUT
#define Usb_ack_stalled()   (MSK_STALLEDI= 0)
 acks STALL sent
#define Usb_ack_in_ready()   (UEINTX &= ~(1<<TXINI), Usb_ack_fifocon())
 acks IN ready
#define Usb_kill_last_in_bank()   (UENTTX |= (1<<RXOUTI))
 Kills last bank.
#define Is_usb_read_enabled()   (UEINTX&(1<<RWAL))
 tests if endpoint read allowed
#define Is_usb_write_enabled()   (UEINTX&(1<<RWAL))
 tests if endpoint write allowed
#define Is_usb_read_control_enabled()   (UEINTX&(1<<TXINI))
 tests if read allowed on control endpoint
#define Is_usb_nak_in_sent()   (UEINTX&(1<<NAKINI))
 tests if a NAK has been sent on IN endpoint
#define Is_usb_nak_out_sent()   (UEINTX&(1<<NAKOUTI))
 tests if a NAK has been sent on OUT endpoint
#define Is_usb_receive_setup()   (UEINTX&(1<<RXSTPI))
 tests if SETUP received
#define Is_usb_receive_out()   (UEINTX&(1<<RXOUTI))
 tests if OUT received
#define Is_usb_in_ready()   (UEINTX&(1<<TXINI))
 tests if IN ready
#define Usb_send_in()   (UEINTX &= ~(1<<FIFOCON))
 sends IN
#define Usb_send_control_in()   (UEINTX &= ~(1<<TXINI))
 sends IN on control endpoint
#define Usb_free_out_bank()   (UEINTX &= ~(1<<FIFOCON))
 frees OUT bank
#define Usb_ack_control_out()   (UEINTX &= ~(1<<RXOUTI))
 acks OUT on control endpoint
#define Usb_enable_flow_error_interrupt()   (UEIENX |= (1<<FLERRE))
 enables flow error interrupt
#define Usb_enable_nak_in_interrupt()   (UEIENX |= (1<<NAKINE))
 enables NAK IN interrupt
#define Usb_enable_nak_out_interrupt()   (UEIENX |= (1<<NAKOUTE))
 enables NAK OUT interrupt
#define Usb_enable_receive_setup_interrupt()   (UEIENX |= (1<<RXSTPE))
 enables receive SETUP interrupt
#define Usb_enable_receive_out_interrupt()   (UEIENX |= (1<<RXOUTE))
 enables receive OUT interrupt
#define Usb_enable_stalled_interrupt()   (UEIENX |= (1<<STALLEDE))
 enables STALL sent interrupt
#define Usb_enable_in_ready_interrupt()   (UEIENX |= (1<<TXINE))
 enables IN ready interrupt
#define Usb_disable_flow_error_interrupt()   (UEIENX &= ~(1<<FLERRE))
 disables flow error interrupt
#define Usb_disable_nak_in_interrupt()   (UEIENX &= ~(1<<NAKINE))
 disables NAK IN interrupt
#define Usb_disable_nak_out_interrupt()   (UEIENX &= ~(1<<NAKOUTE))
 disables NAK OUT interrupt
#define Usb_disable_receive_setup_interrupt()   (UEIENX &= ~(1<<RXSTPE))
 disables receive SETUP interrupt
#define Usb_disable_receive_out_interrupt()   (UEIENX &= ~(1<<RXOUTE))
 disables receive OUT interrupt
#define Usb_disable_stalled_interrupt()   (UEIENX &= ~(1<<STALLEDE))
 disables STALL sent interrupt
#define Usb_disable_in_ready_interrupt()   (UEIENX &= ~(1<<TXINE))
 disables IN ready interrupt
#define Usb_read_byte()   (UEDATX)
 returns FIFO byte for current endpoint
#define Usb_write_byte(byte)   (UEDATX = (U8)byte)
 writes byte in FIFO for current endpoint
#define Usb_byte_counter()   ((((U16)UEBCHX) << 8) | (UEBCLX))
 returns number of bytes in FIFO current endpoint (16 bits)
#define Usb_byte_counter_8()   ((U8)UEBCLX)
 returns number of bytes in FIFO current endpoint (8 bits)
#define Usb_interrupt_flags()   (UEINT)
 tests the general endpoint interrupt flags
#define Is_usb_endpoint_event()   (Usb_interrupt_flags() != 0x00)
 tests the general endpoint interrupt flags

Detailed Description

These macros manage the common features of the endpoints.


Define Documentation

#define Usb_select_endpoint ( ep   )     (UENUM = (U8)ep )

selects the endpoint number to interface with the CPU

Definition at line 498 of file usb_drv.h.

Referenced by cdc_task(), cdc_update_serial_state(), uart_usb_getchar(), uart_usb_send_buffer(), uart_usb_test_hit(), usart_receive_interrupt(), usb_clear_feature(), usb_device_task(), usb_halt_endpoint(), usb_init_device(), usb_read_packet(), usb_send_packet(), usb_set_feature(), usb_set_interface(), and usb_user_interface_reset().

 
#define Usb_get_selected_endpoint (  )     (UENUM )

get the currently selected endpoint number

Definition at line 501 of file usb_drv.h.

Referenced by usart_receive_interrupt().

#define Usb_reset_endpoint ( ep   )     (UERST = 1 << (U8)ep, UERST = 0)

resets the selected endpoint

Definition at line 504 of file usb_drv.h.

Referenced by usb_clear_feature(), usb_device_task(), usb_user_endpoint_init(), and usb_user_interface_reset().

 
#define Usb_enable_endpoint (  )     (UECONX |= (1<<EPEN))

enables the current endpoint

Definition at line 507 of file usb_drv.h.

Referenced by usb_config_ep().

 
#define Usb_enable_stall_handshake (  )     (UECONX |= (1<<STALLRQ))

enables the STALL handshake for the next transaction

Definition at line 509 of file usb_drv.h.

Referenced by usb_halt_endpoint(), usb_process_request(), and usb_set_feature().

 
#define Usb_reset_data_toggle (  )     (UECONX |= (1<<RSTDT))

resets the data toggle sequence

Definition at line 511 of file usb_drv.h.

Referenced by usb_clear_feature(), and usb_user_interface_reset().

 
#define Usb_disable_endpoint (  )     (UECONX &= ~(1<<EPEN))

disables the current endpoint

Definition at line 513 of file usb_drv.h.

 
#define Usb_disable_stall_handshake (  )     (UECONX |= (1<<STALLRQC))

disables the STALL handshake

Definition at line 515 of file usb_drv.h.

Referenced by usb_clear_feature(), and usb_user_interface_reset().

 
#define Usb_select_epnum_for_cpu (  )     (UECONX &= ~(1<<EPNUMS))

selects endpoint interface on CPU

Definition at line 517 of file usb_drv.h.

 
#define Is_usb_endpoint_enabled (  )     ((UECONX & (1<<EPEN)) ? TRUE : FALSE)

tests if the current endpoint is enabled

Definition at line 519 of file usb_drv.h.

Referenced by usb_clear_feature(), usb_init_device(), and usb_set_feature().

 
#define Is_usb_endpoint_disabled (  )     ((UECONX & (1<<EPEN)) ? FALSE : TRUE)

tests if the current endpoint is disabled

Definition at line 521 of file usb_drv.h.

 
#define Is_usb_endpoint_stall_requested (  )     ((UECONX & (1<<STALLRQ)) ? TRUE : FALSE)

tests if STALL handshake request is running

Definition at line 523 of file usb_drv.h.

#define Usb_configure_endpoint_type ( type   )     (UECFG0X = (UECFG0X & ~(MSK_EPTYPE)) | ((U8)type << 6))

configures the current endpoint

Definition at line 526 of file usb_drv.h.

#define Usb_configure_endpoint_direction ( dir   )     (UECFG0X = (UECFG0X & ~(1<<EPDIR)) | ((U8)dir))

configures the current endpoint direction

Definition at line 528 of file usb_drv.h.

#define Usb_configure_endpoint_size ( size   )     (UECFG1X = (UECFG1X & ~MSK_EPSIZE) | ((U8)size << 4))

configures the current endpoint size

Definition at line 531 of file usb_drv.h.

#define Usb_configure_endpoint_bank ( bank   )     (UECFG1X = (UECFG1X & ~MSK_EPBK) | ((U8)bank << 2))

configures the current endpoint number of banks

Definition at line 533 of file usb_drv.h.

 
#define Usb_allocate_memory (  )     (UECFG1X |= (1<<ALLOC))

allocates the current configuration in DPRAM memory

Definition at line 535 of file usb_drv.h.

Referenced by usb_config_ep().

 
#define Usb_unallocate_memory (  )     (UECFG1X &= ~(1<<ALLOC))

un-allocates the current configuration in DPRAM memory

Definition at line 537 of file usb_drv.h.

 
#define Usb_ack_overflow_interrupt (  )     (UESTA0X &= ~(1<<OVERFI))

acks endpoint overflow interrupt

Definition at line 540 of file usb_drv.h.

 
#define Usb_ack_underflow_interrupt (  )     (UESTA0X &= ~(1<<UNDERFI))

acks endpoint underflow memory

Definition at line 542 of file usb_drv.h.

 
#define Usb_ack_zlp (  )     (UESTA0X &= ~(1<<ZLPSEEN))

acks Zero Length Packet received

Definition at line 544 of file usb_drv.h.

 
#define Usb_data_toggle (  )     ((UESTA0X&MSK_DTSEQ) >> 2)

returns data toggle

Definition at line 546 of file usb_drv.h.

 
#define Usb_nb_busy_bank (  )     (UESTA0X & MSK_NBUSYBK)

returns the number of busy banks

Definition at line 548 of file usb_drv.h.

 
#define Is_usb_one_bank_busy (  )     ((UESTA0X & MSK_NBUSYBK) == 0 ? FALSE : TRUE)

tests if at least one bank is busy

Definition at line 550 of file usb_drv.h.

 
#define Is_endpoint_configured (  )     ((UESTA0X & (1<<CFGOK)) ? TRUE : FALSE)

tests if current endpoint is configured

Definition at line 552 of file usb_drv.h.

Referenced by usb_config_ep().

 
#define Is_usb_overflow (  )     ((UESTA0X & (1<<OVERFI)) ? TRUE : FALSE)

tests if an overflows occurs

Definition at line 554 of file usb_drv.h.

 
#define Is_usb_underflow (  )     ((UESTA0X & (1<<UNDERFI)) ? TRUE : FALSE)

tests if an underflow occurs

Definition at line 556 of file usb_drv.h.

 
#define Is_usb_zlp (  )     ((UESTA0X & (1<<ZLPSEEN)) ? TRUE : FALSE)

tests if a ZLP has been detected

Definition at line 558 of file usb_drv.h.

 
#define Usb_control_direction (  )     ((UESTA1X & (1<<CTRLDIR)) >> 2)

returns the control direction

Definition at line 561 of file usb_drv.h.

 
#define Usb_current_bank (  )     ( UESTA1X & MSK_CURRBK)

returns the number of the current bank

Definition at line 563 of file usb_drv.h.

 
#define Usb_ack_fifocon (  )     (UEINTX &= ~(1<<FIFOCON))

clears FIFOCON bit

Definition at line 566 of file usb_drv.h.

 
#define Usb_ack_nak_in (  )     (UEINTX &= ~(1<<NAKINI))

acks NAK IN received

Definition at line 568 of file usb_drv.h.

 
#define Usb_ack_nak_out (  )     (UEINTX &= ~(1<<NAKOUTI))

acks NAK OUT received

Definition at line 570 of file usb_drv.h.

Referenced by usb_get_descriptor().

 
#define Usb_ack_receive_setup (  )     (UEINTX &= ~(1<<RXSTPI))

acks receive SETUP

Definition at line 572 of file usb_drv.h.

Referenced by cdc_get_line_coding(), cdc_send_break(), cdc_set_control_line_state(), cdc_set_line_coding(), usb_clear_feature(), usb_get_configuration(), usb_get_descriptor(), usb_get_interface(), usb_get_status(), usb_process_request(), usb_set_address(), usb_set_configuration(), usb_set_feature(), and usb_set_interface().

 
#define Usb_ack_receive_out (  )     (UEINTX &= ~(1<<RXOUTI), Usb_ack_fifocon())

acks reveive OUT

Definition at line 574 of file usb_drv.h.

Referenced by cdc_get_line_coding(), cdc_set_line_coding(), uart_usb_getchar(), uart_usb_test_hit(), usb_get_configuration(), usb_get_interface(), and usb_get_status().

 
#define Usb_ack_stalled (  )     (MSK_STALLEDI= 0)

acks STALL sent

Definition at line 576 of file usb_drv.h.

 
#define Usb_ack_in_ready (  )     (UEINTX &= ~(1<<TXINI), Usb_ack_fifocon())

acks IN ready

Definition at line 578 of file usb_drv.h.

Referenced by cdc_update_serial_state(), uart_usb_send_buffer(), and usb_get_configuration().

 
#define Usb_kill_last_in_bank (  )     (UENTTX |= (1<<RXOUTI))

Kills last bank.

Definition at line 580 of file usb_drv.h.

 
#define Is_usb_read_enabled (  )     (UEINTX&(1<<RWAL))

tests if endpoint read allowed

Definition at line 582 of file usb_drv.h.

Referenced by usb_read_packet().

 
#define Is_usb_write_enabled (  )     (UEINTX&(1<<RWAL))

tests if endpoint write allowed

Definition at line 584 of file usb_drv.h.

Referenced by cdc_update_serial_state(), uart_usb_send_buffer(), uart_usb_tx_ready(), usart_receive_interrupt(), and usb_send_packet().

 
#define Is_usb_read_control_enabled (  )     (UEINTX&(1<<TXINI))

tests if read allowed on control endpoint

Definition at line 586 of file usb_drv.h.

Referenced by cdc_get_line_coding(), cdc_send_break(), cdc_set_control_line_state(), cdc_set_line_coding(), and usb_get_descriptor().

 
#define Is_usb_nak_in_sent (  )     (UEINTX&(1<<NAKINI))

tests if a NAK has been sent on IN endpoint

Definition at line 588 of file usb_drv.h.

 
#define Is_usb_nak_out_sent (  )     (UEINTX&(1<<NAKOUTI))

tests if a NAK has been sent on OUT endpoint

Definition at line 590 of file usb_drv.h.

Referenced by usb_get_descriptor().

 
#define Is_usb_receive_setup (  )     (UEINTX&(1<<RXSTPI))

tests if SETUP received

Definition at line 592 of file usb_drv.h.

Referenced by usb_device_task().

 
#define Is_usb_receive_out (  )     (UEINTX&(1<<RXOUTI))

tests if OUT received

Definition at line 594 of file usb_drv.h.

Referenced by cdc_get_line_coding(), cdc_set_line_coding(), uart_usb_test_hit(), usb_get_configuration(), usb_get_interface(), and usb_get_status().

 
#define Is_usb_in_ready (  )     (UEINTX&(1<<TXINI))

tests if IN ready

Definition at line 596 of file usb_drv.h.

Referenced by usb_set_address(), and usb_set_interface().

 
#define Usb_send_in (  )     (UEINTX &= ~(1<<FIFOCON))

sends IN

Definition at line 598 of file usb_drv.h.

 
#define Usb_send_control_in (  )     (UEINTX &= ~(1<<TXINI))

sends IN on control endpoint

Definition at line 600 of file usb_drv.h.

Referenced by cdc_get_line_coding(), cdc_send_break(), cdc_set_control_line_state(), cdc_set_line_coding(), usb_clear_feature(), usb_get_descriptor(), usb_get_interface(), usb_get_status(), usb_set_address(), usb_set_configuration(), usb_set_feature(), and usb_set_interface().

 
#define Usb_free_out_bank (  )     (UEINTX &= ~(1<<FIFOCON))

frees OUT bank

Definition at line 602 of file usb_drv.h.

 
#define Usb_ack_control_out (  )     (UEINTX &= ~(1<<RXOUTI))

acks OUT on control endpoint

Definition at line 604 of file usb_drv.h.

Referenced by usb_get_descriptor(), and usb_process_request().

 
#define Usb_enable_flow_error_interrupt (  )     (UEIENX |= (1<<FLERRE))

enables flow error interrupt

Definition at line 607 of file usb_drv.h.

 
#define Usb_enable_nak_in_interrupt (  )     (UEIENX |= (1<<NAKINE))

enables NAK IN interrupt

Definition at line 609 of file usb_drv.h.

 
#define Usb_enable_nak_out_interrupt (  )     (UEIENX |= (1<<NAKOUTE))

enables NAK OUT interrupt

Definition at line 611 of file usb_drv.h.

 
#define Usb_enable_receive_setup_interrupt (  )     (UEIENX |= (1<<RXSTPE))

enables receive SETUP interrupt

Definition at line 613 of file usb_drv.h.

 
#define Usb_enable_receive_out_interrupt (  )     (UEIENX |= (1<<RXOUTE))

enables receive OUT interrupt

Definition at line 615 of file usb_drv.h.

Referenced by cdc_task().

 
#define Usb_enable_stalled_interrupt (  )     (UEIENX |= (1<<STALLEDE))

enables STALL sent interrupt

Definition at line 617 of file usb_drv.h.

 
#define Usb_enable_in_ready_interrupt (  )     (UEIENX |= (1<<TXINE))

enables IN ready interrupt

Definition at line 619 of file usb_drv.h.

Referenced by cdc_task().

 
#define Usb_disable_flow_error_interrupt (  )     (UEIENX &= ~(1<<FLERRE))

disables flow error interrupt

Definition at line 621 of file usb_drv.h.

 
#define Usb_disable_nak_in_interrupt (  )     (UEIENX &= ~(1<<NAKINE))

disables NAK IN interrupt

Definition at line 623 of file usb_drv.h.

 
#define Usb_disable_nak_out_interrupt (  )     (UEIENX &= ~(1<<NAKOUTE))

disables NAK OUT interrupt

Definition at line 625 of file usb_drv.h.

 
#define Usb_disable_receive_setup_interrupt (  )     (UEIENX &= ~(1<<RXSTPE))

disables receive SETUP interrupt

Definition at line 627 of file usb_drv.h.

 
#define Usb_disable_receive_out_interrupt (  )     (UEIENX &= ~(1<<RXOUTE))

disables receive OUT interrupt

Definition at line 629 of file usb_drv.h.

 
#define Usb_disable_stalled_interrupt (  )     (UEIENX &= ~(1<<STALLEDE))

disables STALL sent interrupt

Definition at line 631 of file usb_drv.h.

 
#define Usb_disable_in_ready_interrupt (  )     (UEIENX &= ~(1<<TXINE))

disables IN ready interrupt

Definition at line 633 of file usb_drv.h.

Referenced by cdc_task().

 
#define Usb_read_byte (  )     (UEDATX)

returns FIFO byte for current endpoint

Definition at line 636 of file usb_drv.h.

Referenced by cdc_set_line_coding(), uart_usb_getchar(), usb_clear_feature(), usb_get_descriptor(), usb_get_interface(), usb_get_status(), usb_process_request(), usb_read_packet(), usb_set_address(), usb_set_configuration(), usb_set_feature(), usb_set_interface(), and usb_user_read_request().

#define Usb_write_byte ( byte   )     (UEDATX = (U8)byte)

writes byte in FIFO for current endpoint

Definition at line 638 of file usb_drv.h.

Referenced by cdc_get_line_coding(), cdc_update_serial_state(), uart_usb_send_buffer(), usb_get_configuration(), usb_get_descriptor(), usb_get_interface(), usb_get_status(), and usb_send_packet().

 
#define Usb_byte_counter (  )     ((((U16)UEBCHX) << 8) | (UEBCLX))

returns number of bytes in FIFO current endpoint (16 bits)

Definition at line 641 of file usb_drv.h.

Referenced by uart_usb_test_hit().

 
#define Usb_byte_counter_8 (  )     ((U8)UEBCLX)

returns number of bytes in FIFO current endpoint (8 bits)

Definition at line 643 of file usb_drv.h.

 
#define Usb_interrupt_flags (  )     (UEINT)

tests the general endpoint interrupt flags

Definition at line 646 of file usb_drv.h.

Referenced by usb_select_enpoint_interrupt().

 
#define Is_usb_endpoint_event (  )     (Usb_interrupt_flags() != 0x00)

tests the general endpoint interrupt flags

Definition at line 648 of file usb_drv.h.


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