USB device controller drivers

These macros manage the USB Device controller. More...

Defines
#define	Usb_initiate_remote_wake_up()   (UDCON |= (1<<RMWKUP))
	initiates a remote wake-up
#define	Usb_detach()   (UDCON |= (1<<DETACH))
	detaches from USB bus
#define	Usb_attach()   (UDCON &= ~(1<<DETACH))
	attaches to USB bus
#define	Is_usb_pending_remote_wake_up()   ((UDCON & (1<<RMWKUP)) ? TRUE : FALSE)
	test if remote wake-up still running
#define	Is_usb_detached()   ((UDCON & (1<<DETACH)) ? TRUE : FALSE)
	test if the device is detached
#define	Usb_get_device_interrupt()   (UDINT & (1<<UDIEN))
	returns the USB device interrupts (interrupt enabled)
#define	Usb_ack_all_device_interrupt()   (UDINT = ~(1<<UDIEN))
	acks the USB device interrupts (interrupt enabled)
#define	Usb_enable_remote_wake_up_interrupt()   (UDIEN |= (1<<UPRSME))
	enables remote wake-up interrupt
#define	Usb_disable_remote_wake_up_interrupt()   (UDIEN &= ~(1<<UPRSME))
	disables remote wake-up interrupt
#define	Usb_ack_remote_wake_up_start()   (UDINT = ~(1<<UPRSMI))
	acks remote wake-up
#define	Is_usb_remote_wake_up_start()   ((UDINT & (1<<UPRSMI)) ? TRUE : FALSE)
	tests if remote wake-up still running
#define	Usb_enable_resume_interrupt()   (UDIEN |= (1<<EORSME))
	enables resume interrupt
#define	Usb_disable_resume_interrupt()   (UDIEN &= ~(1<<EORSME))
	disables resume interrupt
#define	Usb_ack_resume()   (UDINT = ~(1<<EORSMI))
	acks resume
#define	Is_usb_resume()   ((UDINT & (1<<EORSMI)) ? TRUE : FALSE)
	tests if resume occurs
#define	Usb_enable_wake_up_interrupt()   (UDIEN |= (1<<WAKEUPE))
	enables wake-up interrupt
#define	Usb_disable_wake_up_interrupt()   (UDIEN &= ~(1<<WAKEUPE))
	disables wake-up interrupt
#define	Usb_ack_wake_up()   (UDINT = ~(1<<WAKEUPI))
	acks wake-up
#define	Is_usb_wake_up()   ((UDINT & (1<<WAKEUPI)) ? TRUE : FALSE)
	tests if wake-up occurs
#define	Usb_enable_reset_interrupt()   (UDIEN |= (1<<EORSTE))
	enables USB reset interrupt
#define	Usb_disable_reset_interrupt()   (UDIEN &= ~(1<<EORSTE))
	disables USB reset interrupt
#define	Usb_ack_reset()   (UDINT = ~(1<<EORSTI))
	acks USB reset
#define	Is_usb_reset()   ((UDINT & (1<<EORSTI)) ? TRUE : FALSE)
	tests if USB reset occurs
#define	Usb_enable_sof_interrupt()   (UDIEN |= (1<<SOFE))
	enables Start Of Frame Interrupt
#define	Usb_disable_sof_interrupt()   (UDIEN &= ~(1<<SOFE))
	disables Start Of Frame Interrupt
#define	Usb_ack_sof()   (UDINT = ~(1<<SOFI))
	acks Start Of Frame
#define	Is_usb_sof()   ((UDINT & (1<<SOFI)) ? TRUE : FALSE)
	tests if Start Of Frame occurs
#define	Usb_enable_suspend_interrupt()   (UDIEN |= (1<<SUSPE))
	enables suspend state interrupt
#define	Usb_disable_suspend_interrupt()   (UDIEN &= ~(1<<SUSPE))
	disables suspend state interrupt
#define	Usb_ack_suspend()   (UDINT = ~(1<<SUSPI))
	acks Suspend
#define	Is_usb_suspend()   ((UDINT & (1<<SUSPI)) ? TRUE : FALSE)
	tests if Suspend state detected
#define	Usb_enable_address()   (UDADDR |= (1<<ADDEN))
	enables USB device address
#define	Usb_disable_address()   (UDADDR &= ~(1<<ADDEN))
	disables USB device address
#define	Usb_configure_address(addr)   (UDADDR = (UDADDR & (1<<ADDEN)) | ((U8)addr & MSK_UADD))
	sets the USB device address
#define	Usb_frame_number()   ((U16)((((U16)UDFNUMH) << 8) | ((U16)UDFNUML)))
	returns the last frame number
#define	Is_usb_frame_number_crc_error()   ((UDMFN & (1<<FNCERR)) ? TRUE : FALSE)
	tests if a crc error occurs in frame number

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Detailed Description

These macros manage the USB Device controller.