Module lpc55_pac::usbfsh::hcinterruptstatus

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Expand description

Indicates the status on various events that cause hardware interrupts by setting the appropriate bits

Structs

FNO_R

Field FNO reader - FrameNumberOverflow This bit is set when the MSb of HcFmNumber (bit 15) changes value, from 0 to 1 or from 1 to 0, and after HccaFrameNumber has been updated.

FNO_W

Field FNO writer - FrameNumberOverflow This bit is set when the MSb of HcFmNumber (bit 15) changes value, from 0 to 1 or from 1 to 0, and after HccaFrameNumber has been updated.

HCINTERRUPTSTATUS_SPEC

Indicates the status on various events that cause hardware interrupts by setting the appropriate bits

OC_R

Field OC reader - OwnershipChange This bit is set by HC when HCD sets the OwnershipChangeRequest field in HcCommandStatus.

OC_W

Field OC writer - OwnershipChange This bit is set by HC when HCD sets the OwnershipChangeRequest field in HcCommandStatus.

R

Register HCINTERRUPTSTATUS reader

RD_R

Field RD reader - ResumeDetected This bit is set when HC detects that a device on the USB is asserting resume signaling.

RD_W

Field RD writer - ResumeDetected This bit is set when HC detects that a device on the USB is asserting resume signaling.

RHSC_R

Field RHSC reader - RootHubStatusChange This bit is set when the content of HcRhStatus or the content of any of HcRhPortStatus[NumberofDownstreamPort] has changed.

RHSC_W

Field RHSC writer - RootHubStatusChange This bit is set when the content of HcRhStatus or the content of any of HcRhPortStatus[NumberofDownstreamPort] has changed.

SF_R

Field SF reader - StartofFrame This bit is set by HC at each start of a frame and after the update of HccaFrameNumber.

SF_W

Field SF writer - StartofFrame This bit is set by HC at each start of a frame and after the update of HccaFrameNumber.

SO_R

Field SO reader - SchedulingOverrun This bit is set when the USB schedule for the current Frame overruns and after the update of HccaFrameNumber.

SO_W

Field SO writer - SchedulingOverrun This bit is set when the USB schedule for the current Frame overruns and after the update of HccaFrameNumber.

UE_R

Field UE reader - UnrecoverableError This bit is set when HC detects a system error not related to USB.

UE_W

Field UE writer - UnrecoverableError This bit is set when HC detects a system error not related to USB.

W

Register HCINTERRUPTSTATUS writer

WDH_R

Field WDH reader - WritebackDoneHead This bit is set immediately after HC has written HcDoneHead to HccaDoneHead.

WDH_W

Field WDH writer - WritebackDoneHead This bit is set immediately after HC has written HcDoneHead to HccaDoneHead.