Owner's manual
NAV440UserManual
7430‐0131‐01Rev.F
Page99
softwareStatusField
ThesoftwareStatusfieldcontainsflagsthatindicatevarioussoftwareconditionsandalertsthatarenoterrorsor
problems.ThesoftwareStatusflagintheBITstatusfieldisthebit‐wiseORofthelogicalANDofthesoftwareStatus
fieldandthesoftwareStatusEnablefield.ThesoftwareStatusEnablefieldisabitmaskthatallowstheusertoselect
itemsofinterestthatwilllogicallyflowuptothemasterStatusflag.
Table94softwareStatusField
softwareStatusField Bits Values
algorithmInit 0
0=normal,1=thealgorithmisininitialization
mode
highGain 1 0=lowgainmode,1highgainmode
attitudeOnlyAlgorithm 2
0=navigationstatetracking,1=attitudeonl
statetracking
y
turnSwitch 3
0=o
thres
ff,1=yawrategreaterthanturnSwitch
hold
Reserved 4:15 N/A
sensorStatusField
ThesensorStatusfieldcontainsflagsthatindicatevariousinternalsensorconditionsandalertsthatarenoterrorsor
problems.ThesensorStatusflagintheBITstatusfieldisthebit‐wiseORofthelogicalANDofthesensorStatusfield
andthesensorStatusEnablefield.ThesensorStatusEnablefieldisabitmaskthatallowstheusertoselectitemsof
interestthatwilllogicallyflowuptothemasterStatusflag.
Table95sensorStatusFields
sensorStatusField Bits Values
overRange 0 0=notasserted,1=asserted
Reserved 1:15 N/A
ConfiguringmasterStatus
ThemasterStatusbyteanditsassociatedprogrammablealertsareconfiguredusingtheReadFieldandWriteField
commandasdescribedin TheTablebelowshowsthedefinitionofthebitmask
forconfiguringthestatussignals.
Chapter10.ProgrammingGuidelines.
Table96masterStatusFields
ConfigurationFields FieldID ValidValues Description
hardwareStatusEnable 0x0010 Any Bitmaskofenabledhardwarestatussignals
comStatusEnable 0x0011 Any Bitmaskofenabledcommunicationstatussignals
softwareStatusEnable 0x0012 Any Bitmaskofenabledsoftwarestatussignals
sensorStatusEnable 0x0013 Any Bitmaskofenabledsensorstatussignals