private:
    const int8_t m_dc = -1;                            ///< data/command pin for SPI, -1 for i2c
    NanoDisplayBase<Interface~CONTROLLER~<I>> &m_base; ///< basic lcd display support interface
    uint8_t m_rotation = 0x00;
    static const uint8_t m_rgb_bit = 0b00001000;
    lcdint_t m_offset_x = 0x34;
    lcdint_t m_offset_y = 0x28;
