Tpd.rt2841.pb772 | Firmware

  • Device Tree / Driver Binding (Linux example)

    i2c0: i2c@4000 
    status = "okay";
    tpd_rt2841: touch@48 
        compatible = "vendor,rt2841";
        reg = <0x48>;
        interrupt-parent = <&gpio1>;
        interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
        reset-gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
        max-touch-points = <5>;
        gesture-support = "true";
    ;
;

  • Firmware Loading

  • Calibration

  • Testing

    • Highly unlikely. The RT2841 is a proprietary ASIC. Reverse-engineering the Tpd.rt2841.pb772 Firmware could violate the DMCS (in the US) or similar laws. Tpd.rt2841.pb772 Firmware

    The firmware will likely come in one of three formats:

    Do not rename random files to these extensions. Device Tree / Driver Binding (Linux example) i2c0:

    Example useful papers:

    This hardware is supported by OpenWrt. If you are looking to replace the stock firmware with OpenWrt, follow these steps. Firmware Loading

    Cause: The new Tpd.rt2841.pb772 Firmware contains generic touch coordinates. Solution: Re-calibrate via the hidden engineering menu: Press and hold 4 corners > Calibration > Invert X/Y if needed.