HID Usage Tables Document 1.1 - C. Scott Ananian

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46 Universal Serial Bus HID Usage TablesPlayPauseRecordOOC – Indicates that a device’s media transport mechanism is in playbackmode. This indicator may also be true when a device is recording.OOC – Indicates that a device’s media transport mechanism has been pausedwhile playing back or recording.OOC – Indicates that a device’s media transport mechanism is in recordmode.10.5 Printer IndicatorsPaper-OutPaper-Jam10.6 General Device IndicatorsPowerStand-byOn-LineOff-LineBusyReadyRemoteErrorBattery OperationBattery OKBattery LowUsage SelectedIndicatorUsage In UseIndicatorOOC – Indicates that the device is out of paper.OOC – Indicates that a paper jam has occurred in the device and operatorintervention is required.OOC – Indicates that the device is powered.OOC – Indicates that the device is in standby mode.OOC – Indicates that the device is online.OOC – Indicates that the device is offline.OOC – Indicates that the device is busy executing operations.OOC – Indicates that the device is ready to execute operations.OOC – Indicates that the device is being controlled remotely.OOC – Indicates that an error has occurred on the device.OOC – Indicates that the device is currently battery powered.OOC – Indicates that the battery is in a nominal charge state.OOC – Indicates that the battery is in a low charge state.US – This collection allows the usages that it contains to be associated with avisual output (an LED) that indicates whether a control identified by theusage is selected. Usage Selected Indicator is a 1-bit field where 1 isselected and 0 is not selected. All usages found in this collection will betreated as On/Off Controls (OOC).US – This collection allows the usages that it contains to be associated with avisual output (an LED) that indicates whether a control identified by theusage is in use. Usage In Use Indicator is a 1-bit field where 1 is in use and0 is not in use. All usages found in this collection will be treated as On/OffControls (OOC).Version 1.1 April 8, 1999
Universal Serial Bus HID Usage Tables 47Usage Multi ModeIndicator 2Indicator OnIndicator FlashIndicator Slow BlinkIndicator Fast BlinkIndicator OffFlash On TimeSlow Blink On TimeSlow Blink Off TimeFast Blink On TimeFast Blink Off TimeUsage IndicatorColor 2Indicator RedIndicator GreenIndicator AmberGeneric IndicatorSystem SuspendExternal PowerConnectedUM – This usage names a logical collection which must be contained inanother collection. The usage attached to the encompassing collection is thenidentified as an indicator that supports multiple illumination modes. In thiscollection one or more of the following Indicator selectors will be found: On,Flash, Slow Blink, Fast Blink, and Off.Sel – Light indicator continuously.Sel – Single, momentary illumination of indicator.Sel – Continuous flashing of the indicator at a slow rate.Sel – Continuous flashing of the indicator at a fast rate.Sel – Turn indicator illumination off.DV – Duration that the indicator is illuminated in flash mode.DV – Duration that the indicator is illuminated in slow blink mode.DV – Duration that the indicator is off in slow blink mode.DV – Duration that the indicator is illuminated in fast blink mode.DV – Duration that the indicator is off in fast blink mode.UM – This collection allows the usage that contains it to be an indicator thatsupports multiple colors. All usages found in this collection will be treated asa Selectors (Sel) where one or more of the following Indicator selectors willbe found: Red, Green, and Amber.Sel – Indicator color set to Red.Sel – Indicator color set to Green.Sel – Indicator color set to Amber. This is typically implemented by assertingRed and Green simultaneously.OOC – This usage identifies an indicator that has no permanently assignedfunction.OOC – Indicates that the system is in a low power state, but is still poweredand retaining some context.OOC – Indicates that a battery-operated system is connected to externalpower.2 An indicator can support Multi Mode features and multiple colors simultaneously. To tie these functionstogether, they can be wrapped in a logical collection where the usage that is attached to the collectiondefines the purpose of the control.Version 1.1 April 8, 1999
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HID Usage Tables Document 1.1 - C. Scott Ananian

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