mirror of
https://github.com/stianeikeland/go-rpio.git
synced 2025-01-23 10:41:03 +01:00
40 lines
923 B
Go
40 lines
923 B
Go
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/*
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A PWM example by @Drahoslav7, using the go-rpio library
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Toggles a LED on physical pin 19 (mcu pin 10)
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Connect a LED with resistor from pin 19 to ground.
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*/
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package main
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import (
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"os"
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"time"
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"github.com/stianeikeland/go-rpio"
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)
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func main() {
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err := rpio.Open()
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if err != nil {
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os.Exit(1)
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}
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defer rpio.Close()
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pin := rpio.Pin(19)
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pin.Mode(rpio.Pwm)
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pin.Freq(60000)
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pin.DutyCycle(0, 32)
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for i := 0; i < 5; i++ {
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for i := uint32(0); i < 32; i++ { // increasing brightness
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pin.DutyCycle(i, 32)
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time.Sleep(time.Second/32)
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}
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for i := uint32(32); i != 0; i-- { // decreasing brightness
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pin.DutyCycle(i, 32)
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time.Sleep(time.Second/32)
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}
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}
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}
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