package main import ( "flag" "github.com/mcuadros/go-rpi-rgb-led-matrix" "github.com/mcuadros/go-rpi-rgb-led-matrix/rpc" ) var ( rows = flag.Int("led-rows", 32, "number of rows supported") chain = flag.Int("led-chain", 2, "number of displays daisy-chained") brightness = flag.Int("brightness", 100, "brightness (0-100)") ) func main() { config := &rgbmatrix.DefaultConfig config.Rows = *rows config.ChainLength = *chain config.Brightness = *brightness m, err := rgbmatrix.NewRGBLedMatrix(config) fatal(err) rpc.Serve(m) } func fatal(err error) { if err != nil { panic(err) } }