 void setup()
 { 
     uint32_t timer_cal;
+    color_t col;
 
     Serial.begin(38400);
     Serial.println("hue-chandelier board!");

            {
                color_t col;

                g_random_seed = data[0];
                randomSeed(g_random_seed);

                col.c[0] = col.c[2] = 0;
                col.c[1] = 180;
                show_color(&col);
            }
            break;  


            
        case PACKET_POSITION:
        { 
            g_pos[0] = *(uint16_t *)data;
            g_pos[1] = *(uint16_t *)(&data[2]);
            g_pos[2] = *(uint16_t *)(&data[4]);
            break;       
        }
        case PACKET_CLASSES:
