ssdfb_spi_4wire_set_dc
ssdfb_spi_4wire_set_dc(sc, 0);
ssdfb_spi_4wire_set_dc(sc, 1);
ssdfb_spi_4wire_set_dc(sc, 0);
ssdfb_spi_4wire_set_dc(sc, 1);
ssdfb_spi_4wire_set_dc(sc, 0);
ssdfb_spi_4wire_set_dc(sc, 1);
ssdfb_spi_4wire_set_dc(sc, 0);
ssdfb_spi_4wire_set_dc(sc, 1);
ssdfb_spi_4wire_set_dc(sc, 0);
ssdfb_spi_4wire_set_dc(sc, 1);
ssdfb_spi_4wire_set_dc(sc, 0);
ssdfb_spi_4wire_set_dc(sc, 1);
ssdfb_spi_4wire_set_dc(sc, 0);
ssdfb_spi_4wire_set_dc(sc, 1);
ssdfb_spi_4wire_set_dc(sc, 0);
ssdfb_spi_4wire_set_dc(sc, 1);
ssdfb_spi_4wire_set_dc(sc, 0);
ssdfb_spi_4wire_set_dc(sc, 1);