Add hysteresis to vacuum thresholds and also fix the web-fronted layout #7
|
@ -30,13 +30,20 @@ type thresholdOutput struct {
|
|||
debounce time.Time
|
||||
// threshold is the setpoint of the block.
|
||||
threshold float64
|
||||
// hysteresis around the process setpoint (min/max is threshold +- hysteresis)
|
||||
hysteresis float64
|
||||
}
|
||||
|
||||
func (t *thresholdOutput) process(value float64) {
|
||||
if time.Now().Before(t.debounce) {
|
||||
return
|
||||
}
|
||||
new := value > t.threshold
|
||||
new := t.output
|
||||
if t.output {
|
||||
new = value > (t.threshold - t.hysteresis)
|
||||
} else {
|
||||
new = value > (t.threshold + t.hysteresis)
|
||||
}
|
||||
if new != t.output {
|
||||
t.output = new
|
||||
t.debounce = time.Now().Add(time.Second * 5)
|
||||
|
|
|
@ -27,19 +27,36 @@ func TestMomentaryOutput(t *testing.T) {
|
|||
func TestThresholdOutput(t *testing.T) {
|
||||
to := thresholdOutput{
|
||||
threshold: 1,
|
||||
hysteresis: 0.2,
|
||||
}
|
||||
to.process(0)
|
||||
to.process(0.7)
|
||||
if to.output {
|
||||
t.Fatalf("output shouldn't have triggered")
|
||||
}
|
||||
to.process(2)
|
||||
to.process(1)
|
||||
if to.output {
|
||||
t.Fatalf("output shouldn't have triggered")
|
||||
}
|
||||
to.process(1.3)
|
||||
if !to.output {
|
||||
t.Fatalf("output should have triggered")
|
||||
}
|
||||
to.process(0)
|
||||
to.process(1)
|
||||
if !to.output {
|
||||
t.Fatalf("output should have triggered")
|
||||
}
|
||||
to.process(0.7)
|
||||
if !to.output {
|
||||
t.Fatalf("output should have triggered (in debounce)")
|
||||
}
|
||||
|
||||
// let debounce timeout pass
|
||||
time.Sleep(time.Second * 6)
|
||||
|
||||
to.process(0.7)
|
||||
if to.output {
|
||||
t.Fatalf("output shouldn't have triggered")
|
||||
}
|
||||
}
|
||||
|
||||
func TestRingbufferInput(t *testing.T) {
|
||||
|
|
Loading…
Reference in a new issue