robocars/robocar-led
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feat(brake): display brake power with 4 colors

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This commit is contained in:
Cyrille Nofficial 2023-05-11 20:02:19 +02:00
parent 8b67d8a434
commit f4f83af3c5
3 changed files with 22 additions and 5 deletions
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2
pkg/led/led.go
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@ -21,6 +21,7 @@ func init() {
var (
ColorBlack = Color{0, 0, 0}
ColorRed = Color{255, 0, 0}
ColorPurple = Color{255, 0, 255}
ColorYellow = Color{255, 255, 0}
ColorGreen = Color{0, 255, 0}
ColorBlue = Color{0, 0, 255}
@ -145,6 +146,7 @@ func (l *PiColorLed) blink(freq float64) {
var setLed = func(v int, led gpio.PinIO, mutex *sync.Mutex) {
mutex.Lock()
defer mutex.Unlock()
lvl := gpio.High
if v == 0 {
lvl = gpio.Low

12
pkg/part/part.go
View File

@ -161,7 +161,17 @@ func (p *LedPart) updateColor() {
defer p.muThrottle.Unlock()
if p.throttle <= -0.05 {
p.led.SetColor(led.Color{Red: int(p.throttle * -255)})
col := led.ColorWhite
if p.throttle <= -0.25 {
col = led.ColorYellow
if p.throttle <= -0.5 {
col = led.ColorRed
if p.throttle <= -0.75 {
col = led.ColorPurple
}
}
}
p.led.SetColor(col)
return
}

13
pkg/part/part_test.go
View File

@ -138,17 +138,22 @@ func TestLedPart_OnThrottle(t *testing.T) {
{
"slow brake",
testtools.NewFakeMessageFromProtobuf("throttle", &events.ThrottleMessage{Throttle: -0.06}),
led.Color{Red: 15},
led.ColorWhite,
},
{
"normal brake",
testtools.NewFakeMessageFromProtobuf("throttle", &events.ThrottleMessage{Throttle: -0.5}),
led.Color{Red: 127},
testtools.NewFakeMessageFromProtobuf("throttle", &events.ThrottleMessage{Throttle: -0.4}),
led.ColorYellow,
},
{
"normal high brake",
testtools.NewFakeMessageFromProtobuf("throttle", &events.ThrottleMessage{Throttle: -0.6}),
led.ColorRed,
},
{
"high brake",
testtools.NewFakeMessageFromProtobuf("throttle", &events.ThrottleMessage{Throttle: -1.}),
led.ColorRed,
led.ColorPurple,
},
}