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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| // Copyright (c) 2017-2024 The ivi developers. All rights reserved. | ||
| // Project site: https://github.com/gotmc/ivi | ||
| // Use of this source code is governed by a MIT-style license that | ||
| // can be found in the LICENSE.txt file for the project. | ||
|
|
||
| package key33220 | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "strings" | ||
| "time" | ||
|
|
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| "github.com/gotmc/ivi" | ||
| "github.com/gotmc/ivi/fgen" | ||
| "github.com/gotmc/query" | ||
| ) | ||
|
|
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| // StartTriggerDelay returns the delay from the start trigger to the first | ||
| // point in the waveform generation. | ||
| // | ||
| // StartTriggerDelay is the getter for the read-write IviFgenTrigger | ||
| // Attribute Start Trigger Delay described in Section 10.2.1 of IVI-4.3: | ||
| // IviFgen Class Specification. | ||
| func (ch *Channel) StartTriggerDelay() (time.Duration, error) { | ||
| return time.Duration(0), ivi.ErrFunctionNotSupported | ||
| } | ||
|
|
||
| // SetStartTriggerDelay sets the delay from the start trigger to the first | ||
| // point in the waveform generation. | ||
| // | ||
| // SetStartTriggerDelay is the setter for the read-write IviFgenTrigger | ||
| // Attribute Start Trigger Delay described in Section 10.2.1 of IVI-4.3: | ||
| // IviFgen Class Specification. | ||
| func (ch *Channel) SetStartTriggerDelay(_ time.Duration) error { | ||
| return ivi.ErrFunctionNotSupported | ||
| } | ||
|
|
||
| // StartTriggerSlope returns the slope of the trigger that starts the | ||
| // generator. | ||
| // | ||
| // StartTriggerSlope is the getter for the read-write IviFgenTrigger | ||
| // Attribute Start Trigger Slope described in Section 10.2.2 of IVI-4.3: | ||
| // IviFgen Class Specification. | ||
| func (ch *Channel) StartTriggerSlope() (fgen.TriggerSlope, error) { | ||
| var slope fgen.TriggerSlope | ||
|
|
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| s, err := query.String(ch.inst, "TRIG:SLOP?") | ||
| if err != nil { | ||
| return slope, err | ||
| } | ||
|
|
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| s = strings.TrimSpace(strings.ToUpper(s)) | ||
| switch s { | ||
| case "POS": | ||
| slope = fgen.TriggerSlopePositive | ||
| case "NEG": | ||
| slope = fgen.TriggerSlopeNegative | ||
| default: | ||
| return slope, errors.New("error determining start trigger slope") | ||
| } | ||
|
|
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| return slope, nil | ||
| } | ||
|
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| // StartTriggerSlope sets the slope of the trigger that starts the generator. | ||
| // | ||
| // StartTriggerSlope is the setter for the read-write IviFgenTrigger | ||
| // Attribute Start Trigger Slope described in Section 10.2.2 of IVI-4.3: | ||
| // IviFgen Class Specification. | ||
| func (ch *Channel) SetStartTriggerSlope(slope fgen.TriggerSlope) error { | ||
| slopes := map[fgen.TriggerSlope]string{ | ||
| fgen.TriggerSlopePositive: "POS", | ||
| fgen.TriggerSlopeNegative: "NEG", | ||
| } | ||
|
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| triggerSlope, ok := slopes[slope] | ||
| if !ok { | ||
| return fmt.Errorf("trigger slope %v not supported", slope) | ||
| } | ||
|
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| return ch.inst.Command("TRIG:SLOP %s", triggerSlope) | ||
| } | ||
|
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| // StartTriggerSource returns the source of the start trigger. | ||
| // | ||
| // StartTriggerSource is the getter for the read-write IviFgenTrigger | ||
| // Attribute Start Trigger Source described in Section 10.2.3 of IVI-4.3: | ||
| // IviFgen Class Specification. | ||
| func (ch *Channel) StartTriggerSource() (fgen.TriggerSource, error) { | ||
| var src fgen.TriggerSource | ||
|
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| s, err := query.String(ch.inst, "TRIG:SOUR?") | ||
| if err != nil { | ||
| return src, err | ||
| } | ||
|
|
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| s = strings.TrimSpace(strings.ToUpper(s)) | ||
| switch s { | ||
| case "IMM": | ||
| src = fgen.TriggerSourceInternal | ||
| case "EXT": | ||
| src = fgen.TriggerSourceExternal | ||
| case "BUS": | ||
| src = fgen.TriggerSourceSoftware | ||
| default: | ||
| return src, errors.New("error determining trigger source") | ||
| } | ||
|
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| return src, nil | ||
| } | ||
|
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| // SetStartTriggerSource specifies the source of the start trigger. | ||
| // | ||
| // SetStartTriggerSource is the setter for the read-write IviFgenTrigger | ||
| // Attribute Start Trigger Source described in Section 10.2.3 of IVI-4.3: | ||
| // IviFgen Class Specification. | ||
| func (ch *Channel) SetStartTriggerSource(src fgen.TriggerSource) error { | ||
| triggers := map[fgen.TriggerSource]string{ | ||
| fgen.TriggerSourceInternal: "IMM", | ||
| fgen.TriggerSourceExternal: "EXT", | ||
| fgen.TriggerSourceSoftware: "BUS", | ||
| } | ||
|
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| triggerSource, ok := triggers[src] | ||
| if !ok { | ||
| return fmt.Errorf("trigger source %v not supported", src) | ||
| } | ||
|
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| return ch.inst.Command("TRIG:SOUR %s", triggerSource) | ||
| } | ||
|
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| func (ch *Channel) StartTriggerThreshold() (float64, error) { | ||
| return 0.0, ivi.ErrFunctionNotSupported | ||
| } | ||
|
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| func (ch *Channel) SetStartTriggerThreshold(_ float64) error { | ||
| return ivi.ErrFunctionNotSupported | ||
| } | ||
|
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| func (ch *Channel) StartTriggerConfigure(_ fgen.TriggerSource, _ fgen.TriggerSlope) error { | ||
| return ivi.ErrFunctionNotSupported | ||
| } |