ringBufS_put(L.tx2b, 0b000000000);
ringBufS_put(L.tx2b, 0b111111111);
ringBufS_put(L.tx2b, 0b011111111);
ringBufS_put(L.tx2b, 0b111111111);
ringBufS_put(L.tx2b, 0b011111111);
ringBufS_put(L.tx2b, 0b111111111);
ringBufS_put(L.tx2b, 0b011111111);
ringBufS_put(L.tx2b, 0b111111111);
ringBufS_put(L.tx2b, 0b000000000);
ringBufS_put(spi_link.tx1b, 0b000000000);
ringBufS_put(spi_link.tx1b, 0b011111111);
ringBufS_put(spi_link.tx1b, 0b101010101);
ringBufS_put(spi_link.tx1b, 0b110101010);
start_tx2();
start_lcd();
while (!ringBufS_empty(L.tx2b));
while (!ringBufS_empty(spi_link.tx1b));