robo4j.xml

<robo4j>
    <roboUnit id="lcd">
        <class>com.robo4j.units.rpi.lcd.AdafruitLcdUnit</class>
        <config name="com.robo4j.root">
            <value name="bus" type="int">1</value>
            <value name="address" type="int">0x20</value>
        </config>
    </roboUnit>

    <roboUnit id="buttons">
        <class>com.robo4j.units.rpi.lcd.AdafruitButtonUnit</class>
        <config name="com.robo4j.root">
            <value name="bus" type="int">1</value>
            <value name="address" type="int">0x20</value>
            <value name="target" type="String">controller</value>
        </config>
    </roboUnit>

    <roboUnit id="controller">
        <class>com.robo4j.rpi.lcd.example.controller.LcdExampleController</class>
        <config name="com.robo4j.root">
            <value name="target" type="String">lcd</value>
        </config>
    </roboUnit>

    <roboUnit id="http">
        <class>com.robo4j.socket.http.units.HttpServerUnit</class>
        <config name="com.robo4j.root">
            <value name="port" type="int">8025</value>
            <value name="target" type="String">controller</value>
            <value name="packages" type="String">com.robo4j.rpi.lcd.example.codec</value>
            <value name="unitPathsConfig" type="String">[{"roboUnit":"controller","method":"POST"},{"roboUnit":"controller","method":"GET"}]</value>
        </config>
    </roboUnit>

</robo4j>