USBB Device Driver

USBB low-level driver for USB device mode.

Warning

Bit-masks are used instead of bit-fields because PB registers require 32-bit write accesses while AVR32-GCC 4.0.2 builds 8-bit accesses even when volatile unsigned int bit-fields are specified.

USBB Device IP properties
These macros give access to IP properties
#define	udd_get_endpoint_max_nbr()
	Get maximal number of endpoints. More...

USBB Device speeds management
#define	udd_low_speed_enable()   USBB_SET_BITS(UDCON,LS)
	Enable/disable device low-speed mode. More...
#define	udd_low_speed_disable()   USBB_CLR_BITS(UDCON,LS)
#define	Is_udd_low_speed_enable()   USBB_TST_BITS(UDCON,LS)
	Test if device low-speed mode is forced. More...
#define	udd_high_speed_enable()   do { } while (0)
#define	udd_high_speed_disable()   do { } while (0)
#define	Is_udd_full_speed_mode()   true

USBB device attach control
These macros manage the USBB Device attach.
#define	udd_detach_device()   USBB_SET_BITS(UDCON,DETACH)
	detaches from USB bus More...
#define	udd_attach_device()   USBB_CLR_BITS(UDCON,DETACH)
	attaches to USB bus More...
#define	Is_udd_detached()   USBB_TST_BITS(UDCON,DETACH)
	test if the device is detached More...

USBB device bus events control
These macros manage the USBB Device bus events.
#define	udd_initiate_remote_wake_up()   USBB_SET_BITS(UDCON,RMWKUP)
	Initiates a remote wake-up event. More...
#define	Is_udd_pending_remote_wake_up()   USBB_TST_BITS(UDCON,RMWKUP)
#define	udd_enable_remote_wake_up_interrupt()   USBB_REG_SET(UDINTE,UPRSME)
	Manage upstream resume event (=remote wakeup from device) The USB driver sends a resume signal called "Upstream Resume". More...
#define	udd_disable_remote_wake_up_interrupt()   USBB_REG_CLR(UDINTE,UPRSME)
#define	Is_udd_remote_wake_up_interrupt_enabled()   USBB_TST_BITS(UDINTE,UPRSME)
#define	udd_ack_remote_wake_up_start()   USBB_REG_CLR(UDINT,UPRSM)
#define	udd_raise_remote_wake_up_start()   USBB_REG_SET(UDINT,UPRSM)
#define	Is_udd_remote_wake_up_start()   USBB_TST_BITS(UDINT,UPRSM)
#define	udd_enable_resume_interrupt()   USBB_REG_SET(UDINTE,EORSME)
	Manage downstream resume event (=remote wakeup from host) The USB controller detects a valid "End of Resume" signal initiated by the host. More...
#define	udd_disable_resume_interrupt()   USBB_REG_CLR(UDINTE,EORSME)
#define	Is_udd_resume_interrupt_enabled()   USBB_TST_BITS(UDINTE,EORSME)
#define	udd_ack_resume()   USBB_REG_CLR(UDINT,EORSM)
#define	udd_raise_resume()   USBB_REG_SET(UDINT,EORSM)
#define	Is_udd_resume()   USBB_TST_BITS(UDINT,EORSM)
#define	udd_enable_wake_up_interrupt()   USBB_REG_SET(UDINTE,WAKEUPE)
	Manage wake-up event (=usb line activity) The USB controller is reactivated by a filtered non-idle signal from the lines. More...
#define	udd_disable_wake_up_interrupt()   USBB_REG_CLR(UDINTE,WAKEUPE)
#define	Is_udd_wake_up_interrupt_enabled()   USBB_TST_BITS(UDINTE,WAKEUPE)
#define	udd_ack_wake_up()   USBB_REG_CLR(UDINT,WAKEUP)
#define	udd_raise_wake_up()   USBB_REG_SET(UDINT,WAKEUP)
#define	Is_udd_wake_up()   USBB_TST_BITS(UDINT,WAKEUP)
#define	udd_enable_reset_interrupt()   USBB_REG_SET(UDINTE,EORSTE)
	Manage reset event Set when a USB "End of Reset" has been detected. More...
#define	udd_disable_reset_interrupt()   USBB_REG_CLR(UDINTE,EORSTE)
#define	Is_udd_reset_interrupt_enabled()   USBB_TST_BITS(UDINTE,EORSTE)
#define	udd_ack_reset()   USBB_REG_CLR(UDINT,EORST)
#define	udd_raise_reset()   USBB_REG_SET(UDINT,EORST)
#define	Is_udd_reset()   USBB_TST_BITS(UDINT,EORST)
#define	udd_enable_sof_interrupt()   USBB_REG_SET(UDINTE,SOFE)
	Manage start of frame event. More...
#define	udd_disable_sof_interrupt()   USBB_REG_CLR(UDINTE,SOFE)
#define	Is_udd_sof_interrupt_enabled()   USBB_TST_BITS(UDINTE,SOFE)
#define	udd_ack_sof()   USBB_REG_CLR(UDINT,SOF)
#define	udd_raise_sof()   USBB_REG_SET(UDINT,SOF)
#define	Is_udd_sof()   USBB_TST_BITS(UDINT,SOF)
#define	udd_frame_number()   (USBB_RD_BITFIELD(UDFNUM,FNUM))
#define	Is_udd_frame_number_crc_error()   USBB_TST_BITS(UDFNUM,FNCERR)
#define	udd_enable_msof_interrupt()   USBB_REG_SET(UDINTE,MSOFE)
	Manage Micro start of frame event (High Speed Only) More...
#define	udd_disable_msof_interrupt()   USBB_REG_CLR(UDINTE,MSOFE)
#define	Is_udd_msof_interrupt_enabled()   USBB_TST_BITS(UDINTE,MSOFE)
#define	udd_ack_msof()   USBB_REG_CLR(UDINT,MSOF)
#define	udd_raise_msof()   USBB_REG_SET(UDINT,MSOF)
#define	Is_udd_msof()   USBB_TST_BITS(UDINT,MSOF)
#define	udd_micro_frame_number()
#define	udd_enable_suspend_interrupt()   USBB_REG_SET(UDINTE,SUSPE)
	Manage suspend event. More...
#define	udd_disable_suspend_interrupt()   USBB_REG_CLR(UDINTE,SUSPE)
#define	Is_udd_suspend_interrupt_enabled()   USBB_TST_BITS(UDINTE,SUSPE)
#define	udd_ack_suspend()   USBB_REG_CLR(UDINT,SUSP)
#define	udd_raise_suspend()   USBB_REG_SET(UDINT,SUSP)
#define	Is_udd_suspend()   USBB_TST_BITS(UDINT,SUSP)

#define Is_udd_detached

(

)

USBB_TST_BITS(UDCON,DETACH)

test if the device is detached

#define Is_udd_frame_number_crc_error

(

)

USBB_TST_BITS(UDFNUM,FNCERR)

#define Is_udd_full_speed_mode

(

)

true

#define Is_udd_low_speed_enable

(

)

USBB_TST_BITS(UDCON,LS)

Test if device low-speed mode is forced.

Referenced by main_test8(), and main_usb_wait_sof().

#define Is_udd_msof

(

)

USBB_TST_BITS(UDINT,MSOF)

#define Is_udd_msof_interrupt_enabled

(

)

USBB_TST_BITS(UDINTE,MSOFE)

#define Is_udd_pending_remote_wake_up

(

)

USBB_TST_BITS(UDCON,RMWKUP)

#define Is_udd_remote_wake_up_interrupt_enabled

(

)

USBB_TST_BITS(UDINTE,UPRSME)

#define Is_udd_remote_wake_up_start

(

)

USBB_TST_BITS(UDINT,UPRSM)

#define Is_udd_reset

(

)

USBB_TST_BITS(UDINT,EORST)

Referenced by main_usb_wait_end_of_reset().

#define Is_udd_reset_interrupt_enabled

(

)

USBB_TST_BITS(UDINTE,EORSTE)

#define Is_udd_resume

(

)

USBB_TST_BITS(UDINT,EORSM)

Referenced by main_usb_wait_resume().

#define Is_udd_resume_interrupt_enabled

(

)

USBB_TST_BITS(UDINTE,EORSME)

#define Is_udd_sof

(

)

USBB_TST_BITS(UDINT,SOF)

Referenced by main_usb_wait_reset_start(), and main_usb_wait_sof().

#define Is_udd_sof_interrupt_enabled

(

)

USBB_TST_BITS(UDINTE,SOFE)

#define Is_udd_suspend

(

)

USBB_TST_BITS(UDINT,SUSP)

Referenced by main_usb_wait_suspend().

#define Is_udd_suspend_interrupt_enabled

(

)

USBB_TST_BITS(UDINTE,SUSPE)

#define Is_udd_wake_up

(

)

USBB_TST_BITS(UDINT,WAKEUP)

Referenced by main_usb_wait_wakeup().

#define Is_udd_wake_up_interrupt_enabled

(

)

USBB_TST_BITS(UDINTE,WAKEUPE)

#define udd_ack_msof

(

)

USBB_REG_CLR(UDINT,MSOF)

#define udd_ack_remote_wake_up_start

(

)

USBB_REG_CLR(UDINT,UPRSM)

#define udd_ack_reset

(

)

USBB_REG_CLR(UDINT,EORST)

Referenced by main_test8(), and main_usb_wait_end_of_reset().

#define udd_ack_resume

(

)

USBB_REG_CLR(UDINT,EORSM)

Referenced by main_usb_wait_resume().

#define udd_ack_sof

(

)

USBB_REG_CLR(UDINT,SOF)

Referenced by main_usb_wait_reset_start(), and main_usb_wait_sof().

#define udd_ack_suspend

(

)

USBB_REG_CLR(UDINT,SUSP)

Referenced by main_usb_wait_suspend().

#define udd_ack_wake_up

(

)

USBB_REG_CLR(UDINT,WAKEUP)

Referenced by main_usb_wait_wakeup().

#define udd_attach_device

(

)

USBB_CLR_BITS(UDCON,DETACH)

attaches to USB bus

Referenced by main_test1(), main_test10(), main_test11(), main_test12(), main_test13(), main_test14(), main_test15(), main_test16(), main_test17(), main_test2(), main_test20(), main_test3(), main_test4(), main_test5(), main_test6(), main_test7(), main_test8(), and main_test9().

#define udd_detach_device

(

)

USBB_SET_BITS(UDCON,DETACH)

detaches from USB bus

Referenced by main_detach().

#define udd_disable_msof_interrupt

(

)

USBB_REG_CLR(UDINTE,MSOFE)

#define udd_disable_remote_wake_up_interrupt

(

)

USBB_REG_CLR(UDINTE,UPRSME)

#define udd_disable_reset_interrupt

(

)

USBB_REG_CLR(UDINTE,EORSTE)

#define udd_disable_resume_interrupt

(

)

USBB_REG_CLR(UDINTE,EORSME)

#define udd_disable_sof_interrupt

(

)

USBB_REG_CLR(UDINTE,SOFE)

#define udd_disable_suspend_interrupt

(

)

USBB_REG_CLR(UDINTE,SUSPE)

#define udd_disable_wake_up_interrupt

(

)

USBB_REG_CLR(UDINTE,WAKEUPE)

#define udd_enable_msof_interrupt

(

)

USBB_REG_SET(UDINTE,MSOFE)

Manage Micro start of frame event (High Speed Only)

#define udd_enable_remote_wake_up_interrupt

(

)

USBB_REG_SET(UDINTE,UPRSME)

Manage upstream resume event (=remote wakeup from device) The USB driver sends a resume signal called "Upstream Resume".

#define udd_enable_reset_interrupt

(

)

USBB_REG_SET(UDINTE,EORSTE)

Manage reset event Set when a USB "End of Reset" has been detected.

#define udd_enable_resume_interrupt

(

)

USBB_REG_SET(UDINTE,EORSME)

Manage downstream resume event (=remote wakeup from host) The USB controller detects a valid "End of Resume" signal initiated by the host.

#define udd_enable_sof_interrupt

(

)

USBB_REG_SET(UDINTE,SOFE)

Manage start of frame event.

#define udd_enable_suspend_interrupt

(

)

USBB_REG_SET(UDINTE,SUSPE)

Manage suspend event.

#define udd_enable_wake_up_interrupt

(

)

USBB_REG_SET(UDINTE,WAKEUPE)

Manage wake-up event (=usb line activity) The USB controller is reactivated by a filtered non-idle signal from the lines.

#define udd_frame_number

(

)

(USBB_RD_BITFIELD(UDFNUM,FNUM))

#define udd_get_endpoint_max_nbr

(

)

Value:

(((USBB_RD_BITFIELD(UFEATURES_EPT_NBR,MAX) - 1) \
        & ((1 << AVR32_USBB_UFEATURES_EPT_NBR_MAX_SIZE) - 1)) + 1)

Get maximal number of endpoints.

#define udd_high_speed_disable

(

)

do { } while (0)

Referenced by main_otg_init().

#define udd_high_speed_enable

(

)

do { } while (0)

Referenced by main_otg_init().

#define udd_initiate_remote_wake_up

(

)

USBB_SET_BITS(UDCON,RMWKUP)

Initiates a remote wake-up event.

Referenced by main_test20().

#define udd_low_speed_disable

(

)

USBB_CLR_BITS(UDCON,LS)

Referenced by main_otg_init().

#define udd_low_speed_enable

(

)

USBB_SET_BITS(UDCON,LS)

Enable/disable device low-speed mode.

Referenced by main_otg_init().

#define udd_micro_frame_number

(

)

Value:

(Rd_bitfield(AVR32_USBB.udfnum, \
        (AVR32_USBB_UDFNUM_FNUM_MASK|AVR32_USBB_UDFNUM_MFNUM_MASK)))

#define udd_raise_msof

(

)

USBB_REG_SET(UDINT,MSOF)

#define udd_raise_remote_wake_up_start

(

)

USBB_REG_SET(UDINT,UPRSM)

#define udd_raise_reset

(

)

USBB_REG_SET(UDINT,EORST)

#define udd_raise_resume

(

)

USBB_REG_SET(UDINT,EORSM)

#define udd_raise_sof

(

)

USBB_REG_SET(UDINT,SOF)

#define udd_raise_suspend

(

)

USBB_REG_SET(UDINT,SUSP)

#define udd_raise_wake_up

(

)

USBB_REG_SET(UDINT,WAKEUP)