mirror of https://github.com/periph/devices
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
2.6 KiB
Go
114 lines
2.6 KiB
Go
// Copyright 2018 The Periph Authors. All rights reserved.
|
|
// Use of this source code is governed under the Apache License, Version 2.0
|
|
// that can be found in the LICENSE file.
|
|
|
|
package rainbowhat_test
|
|
|
|
import (
|
|
"fmt"
|
|
"image"
|
|
"image/color"
|
|
"log"
|
|
"os"
|
|
"os/signal"
|
|
"syscall"
|
|
"time"
|
|
|
|
"periph.io/x/periph/conn/gpio"
|
|
"periph.io/x/periph/conn/physic"
|
|
"periph.io/x/periph/devices/apa102"
|
|
"periph.io/x/periph/experimental/devices/rainbowhat"
|
|
"periph.io/x/periph/host"
|
|
)
|
|
|
|
func Example() {
|
|
|
|
// Make sure periph is initialized.
|
|
if _, err := host.Init(); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
hat, err := rainbowhat.NewRainbowHat(&apa102.DefaultOpts)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
defer hat.Halt()
|
|
|
|
handleButton := func(btn gpio.PinIn, led gpio.PinOut) {
|
|
ledState := false
|
|
if err := led.Out(gpio.Low); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
for {
|
|
btn.WaitForEdge(-1)
|
|
if btn.Read() == gpio.Low {
|
|
if ledState {
|
|
if err := led.Out(gpio.High); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
} else {
|
|
if err := led.Out(gpio.Low); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
ledState = !ledState
|
|
}
|
|
}
|
|
}
|
|
|
|
go handleButton(hat.GetButtonA(), hat.GetLedR())
|
|
go handleButton(hat.GetButtonB(), hat.GetLedG())
|
|
go handleButton(hat.GetButtonC(), hat.GetLedB())
|
|
|
|
ledstrip := hat.GetLedStrip()
|
|
ledstrip.Intensity = 50
|
|
|
|
img := image.NewNRGBA(image.Rect(0, 0, ledstrip.Bounds().Dx(), 1))
|
|
img.SetNRGBA(0, 0, color.NRGBA{148, 0, 211, 255})
|
|
img.SetNRGBA(1, 0, color.NRGBA{75, 0, 130, 255})
|
|
img.SetNRGBA(2, 0, color.NRGBA{0, 0, 255, 255})
|
|
img.SetNRGBA(3, 0, color.NRGBA{0, 255, 0, 255})
|
|
img.SetNRGBA(4, 0, color.NRGBA{255, 255, 0, 255})
|
|
img.SetNRGBA(5, 0, color.NRGBA{255, 127, 0, 255})
|
|
img.SetNRGBA(6, 0, color.NRGBA{255, 0, 0, 255})
|
|
|
|
if err := ledstrip.Draw(ledstrip.Bounds(), img, image.Point{}); err != nil {
|
|
log.Fatalf("failed to draw: %v", err)
|
|
}
|
|
|
|
display := hat.GetDisplay()
|
|
sensor := hat.GetBmp280()
|
|
ticker := time.NewTicker(3 * time.Second)
|
|
go func() {
|
|
for {
|
|
var envi physic.Env
|
|
if err := sensor.Sense(&envi); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
temp := fmt.Sprintf("%5s", envi.Temperature)
|
|
fmt.Printf("Pressure %8s \n", envi.Pressure)
|
|
fmt.Printf("Temperature %8s \n", envi.Temperature)
|
|
|
|
if _, err := display.WriteString(temp); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
<-ticker.C
|
|
}
|
|
}()
|
|
|
|
sigs := make(chan os.Signal, 1)
|
|
done := make(chan bool, 1)
|
|
|
|
signal.Notify(sigs, os.Interrupt, syscall.SIGTERM)
|
|
|
|
go func() {
|
|
sig := <-sigs // Wait for signal
|
|
log.Println(sig)
|
|
done <- true
|
|
}()
|
|
|
|
log.Println("Press ctrl+c to stop...")
|
|
<-done // Wait
|
|
}
|