func (b *Board) ReadLeds() (colors []color.Color, err error) {
err = b.Write(0x3, make([]byte, 0))
if err != nil {
return
}
reader := textproto.NewReader(bufio.NewReader(b.ser))
line, err := reader.ReadLineBytes()
if err != nil {
return
}
type LedsMessage struct {
Leds []string
}
var ret LedsMessage
err = json.Unmarshal(line, &ret)
if err != nil {
return
}
colors = make([]color.Color, len(ret.Leds))
for i, c := range ret.Leds {
r, g, b := hex.HexToRGB(hex.Hex(c))
colors[i] = color.RGBA{r, g, b, 0}
}
return colors, nil
}
func getBodyStringColor(req *http.Request) (c color.Color, err error) {
bytes := make([]byte, 1024)
n, err := req.Body.Read(bytes)
body := hex.Hex(string(bytes[:n]))
if err != nil {
return
}
r, g, b := hex.HexToRGB(body)
return color.RGBA{r, g, b, 0}, nil
}