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range.go
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package main
type Range uint16
const (
RangeMask = 0xff00
RangeA uint16 = 0x1
RangeB uint16 = 0x2
RangeC uint16 = 0x4
RangeD uint16 = 0x8
RangeE uint16 = 0x10
RangeF uint16 = 0x20
RangeG uint16 = 0x40
RangeVoltageDc Range = 0x16 << 8
RangeVoltageDcB = RangeVoltageDc | Range(RangeB) // mV DC [000.0] E-1
RangeVoltageDcC = RangeVoltageDc | Range(RangeC) // V DC [0.000] E-3
RangeVoltageDcD = RangeVoltageDc | Range(RangeD) // V DC [00.00] E-2
RangeVoltageDcE = RangeVoltageDc | Range(RangeE) // V DC [000.0] E-1
RangeVoltageDcF = RangeVoltageDc | Range(RangeF) // V DC [0000.] E-0
RangeVoltageAc Range = 0x15 << 8
RangeVoltageAcC = RangeVoltageAc | Range(RangeC) // V AC [0.000] E-3
RangeVoltageAcD = RangeVoltageAc | Range(RangeD) // V AC [00.00] E-2
RangeVoltageAcE = RangeVoltageAc | Range(RangeE) // V AC [000.0] E-1
RangeVoltageAcF = RangeVoltageAc | Range(RangeF) // V AC [0000.] E-0
RangeCurrent Range = 0x18 << 8
RangeCurrentF = RangeCurrent | Range(RangeF) // A [0.000] E-3
RangeCurrentG = RangeCurrent | Range(RangeG) // A [00.00] E-2
RangeCurrentMilli Range = 0x19 << 8
RangeCurrentMilliD = RangeCurrentMilli | Range(RangeD) // mA [00.00] E-2
RangeCurrentMilliE = RangeCurrentMilli | Range(RangeE) // mA [000.0] E-1
RangeCurrentMilliF = RangeCurrentMilli | Range(RangeF) // mA [0.000] E-3
RangeCurrentMicro Range = 0x1a << 8
RangeCurrentMicroB = RangeCurrentMicro | Range(RangeB) // uA [000.0] E-1
RangeCurrentMicroC = RangeCurrentMicro | Range(RangeC) // uA [0000.] E-0
RangeResistance Range = 0x1d << 8
RangeResistanceA = RangeResistance | Range(RangeA) // Ohm [000.0] E-1
RangeResistanceB = RangeResistance | Range(RangeB) // kOhm [0.000] E-3
RangeResistanceC = RangeResistance | Range(RangeC) // kOhm [00.00] E-2
RangeResistanceD = RangeResistance | Range(RangeD) // kOhm [000.0] E-1
RangeResistanceE = RangeResistance | Range(RangeE) // MOhm [0.000] E-3
RangeResistanceF = RangeResistance | Range(RangeF) // MOhm [00.00] E-2
RangeContinuity Range = 0x1b << 8
RangeContinuityA = RangeContinuity | Range(RangeA) // Ohm [000.0] E-1
RangeContinuityC = RangeContinuity | Range(RangeC) // Only for OL
RangeDiode Range = 0x1c << 8
RangeDiodeC = RangeDiode | Range(RangeC) // V [0.000] E-3
RangeSquareWave Range = 0x3 << 8
)
func (r Range) Attributes() (a Attributes) {
a = Attributes{
Mode: ModeUnknown,
Polarity: PolarityNone,
Unit: UnitNone,
Recorded: true,
Precision: 0,
Minimum: -1999,
Maximum: 1999,
}
switch r & RangeMask {
case RangeVoltageDc:
a.Mode = ModeVoltage
a.Polarity = PolarityDC
a.Unit = UnitVolt
case RangeVoltageAc:
a.Mode = ModeVoltage
a.Polarity = PolarityAC
a.Unit = UnitVolt
a.Minimum = 0
case RangeCurrent:
a.Mode = ModeCurrent
a.Unit = UnitAmpere
case RangeCurrentMilli:
a.Mode = ModeCurrent
a.Unit = UnitAmpereMilli
case RangeCurrentMicro:
a.Mode = ModeCurrent
a.Unit = UnitAmpereMicro
case RangeResistance:
a.Mode = ModeResistance
a.Unit = UnitOhm
a.Minimum = 0
case RangeContinuity:
a.Mode = ModeContinuity
a.Unit = UnitOhm
a.Minimum = 0
case RangeDiode:
a.Mode = ModeDiode
a.Unit = UnitVolt
a.Minimum = 0
case RangeSquareWave:
a.Mode = ModeSquareWave
}
switch r {
case RangeVoltageDcB:
a.Unit = UnitVoltMilli
a.Precision = 1
case RangeVoltageDcC:
a.Precision = 3
case RangeVoltageDcD:
a.Precision = 2
case RangeVoltageDcE:
a.Precision = 1
case RangeVoltageDcF:
a.Precision = 0
a.Minimum = -300
a.Maximum = 300
case RangeVoltageAcC:
a.Precision = 3
case RangeVoltageAcD:
a.Precision = 2
case RangeVoltageAcE:
a.Precision = 1
case RangeVoltageAcF:
a.Precision = 0
a.Maximum = 300
case RangeCurrentF:
a.Precision = 3
case RangeCurrentG:
a.Precision = 2
a.Minimum = -1000
a.Maximum = 1000
case RangeCurrentMilliD:
a.Precision = 2
case RangeCurrentMilliE:
a.Precision = 1
case RangeCurrentMilliF:
a.Precision = 3
case RangeCurrentMicroB:
a.Precision = 1
case RangeCurrentMicroC:
a.Precision = 0
case RangeResistanceA:
a.Precision = 1
case RangeResistanceB:
a.Unit = UnitOhmKilo
a.Precision = 3
case RangeResistanceC:
a.Unit = UnitOhmKilo
a.Precision = 2
case RangeResistanceD:
a.Unit = UnitOhmKilo
a.Precision = 1
case RangeResistanceE:
a.Unit = UnitOhmMega
a.Precision = 3
case RangeResistanceF:
a.Unit = UnitOhmMega
a.Precision = 2
case RangeContinuityA, RangeContinuityC:
a.Precision = 1
case RangeDiodeC:
a.Precision = 3
default:
a.Recorded = false
a.Minimum = 0
a.Maximum = 0
}
return
}