  

    #define     NUMBER_OF_ROWS 16 // number of LED strips, always the same (can't be more as it is PORTB capacity)
    #define     NUMBER_OF_COLUMNS 22 // maximum number of LED per strip
    #define     LEDS_NUM 240         // 16 strips x 15 leds in every strip
    #define     BYTES_PER_LED 3
    #define     BUF_SIZE_IN_BYTES    (LEDS_NUM * BYTES_PER_LED)
    