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46 lines
825 B
Go
46 lines
825 B
Go
package main
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import (
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"flag"
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"image/color"
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"github.com/mcuadros/go-rpi-rgb-led-matrix"
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)
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var (
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rows = flag.Int("led-rows", 32, "number of rows supported")
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chain = flag.Int("led-chain", 2, "number of displays daisy-chained")
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brightness = flag.Int("brightness", 100, "brightness (0-100)")
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)
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func main() {
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config := &rgbmatrix.DefaultConfig
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config.Rows = *rows
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config.ChainLength = *chain
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config.Brightness = *brightness
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m, err := rgbmatrix.NewRGBLedMatrix(config)
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fatal(err)
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c := rgbmatrix.NewCanvas(m)
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defer c.Close()
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bounds := c.Bounds()
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for x := bounds.Min.X; x < bounds.Max.X; x++ {
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for y := bounds.Min.Y; y < bounds.Max.Y; y++ {
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c.Set(x, y, color.RGBA{255, 0, 0, 255})
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c.Render()
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}
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}
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}
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func init() {
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flag.Parse()
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}
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func fatal(err error) {
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if err != nil {
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panic(err)
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}
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}
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