Method _write_byte

resources/waveshare_epd/lcd1602.py:204–210

Write a single byte to the PCF8574 expander.

(self, data: int)

            return False

    def _write_byte(self, data: int):
        """Write a single byte to the PCF8574 expander."""
        try:
            self._bus.write_byte(self._addr, data)
        except Exception as exc:
            logger.error("LCD1602: I2C write error at 0x%02X: %s", self._addr, exc)
            raise

    def _pulse_enable(self, data: int):
        """Pulse the EN pin high then low to latch a nibble."""