package main import ( "flag" "fmt" "image/color" "gitea.wagshome.duckdns.org/publicWagsHome/go-rpi-rgb-led-matrix" ) var ( rows = flag.Int("led-rows", 32, "number of rows supported") cols = flag.Int("led-cols", 32, "number of columns supported") parallel = flag.Int("led-parallel", 1, "number of daisy-chained panels") chain = flag.Int("led-chain", 2, "number of displays daisy-chained") brightness = flag.Int("brightness", 100, "brightness (0-100)") hardware_mapping = flag.String("led-gpio-mapping", "regular", "Name of GPIO mapping used.") show_refresh = flag.Bool("led-show-refresh", false, "Show refresh rate.") inverse_colors = flag.Bool("led-inverse", false, "Switch if your matrix has inverse colors on.") disable_hardware_pulsing = flag.Bool("led-no-hardware-pulse", false, "Don't use hardware pin-pulse generation.") ) func main() { config := &rgbmatrix.DefaultConfig config.Rows = *rows config.Cols = *cols config.Parallel = *parallel config.ChainLength = *chain config.Brightness = *brightness config.HardwareMapping = *hardware_mapping config.ShowRefreshRate = *show_refresh config.InverseColors = *inverse_colors config.DisableHardwarePulsing = *disable_hardware_pulsing m, err := rgbmatrix.NewRGBLedMatrix(config) fatal(err) c := rgbmatrix.NewCanvas(m) defer c.Close() bounds := c.Bounds() for x := bounds.Min.X; x < bounds.Max.X; x++ { for y := bounds.Min.Y; y < bounds.Max.Y; y++ { fmt.Println("x", x, "y", y) c.Set(x, y, color.RGBA{255, 0, 0, 255}) c.Render() } } } func init() { flag.Parse() } func fatal(err error) { if err != nil { panic(err) } }