#include <behaviors.dtsi>
#include <dt-bindings/zmk/keys.h>
#include <dt-bindings/zmk/kscan_mock.h>

&lt {
    flavor = "balanced";
};

/ {
    keymap {
        compatible = "zmk,keymap";
        default_layer {
            bindings = <
                &kp N0 &lt 2 N0
                &to 1 &to 3
            >;
        };
        layer_1 {
            bindings = <
                &kp N1 &none
                &lt 2 N1 &to 0
            >;
        };
        layer_2 {
            bindings = <
                &kp N2 &none
                &trans &trans
            >;
        };
        layer_3 {
            bindings = <
                &kp N3 &none
                &lt 2 N3 &to 0
            >;
        };
    };
};

&kscan {
  events = <
    // LT 0->2 and get 2
    ZMK_MOCK_PRESS(0,1,10)
    ZMK_MOCK_PRESS(0,0,10)
    ZMK_MOCK_RELEASE(0,0,10)
    ZMK_MOCK_RELEASE(0,1,10)

    // TO 1
    ZMK_MOCK_PRESS(1,0,10)
    ZMK_MOCK_RELEASE(1,0,10)

    // LT 1->2 and get 2
    ZMK_MOCK_PRESS(1,0,10)
    ZMK_MOCK_PRESS(0,0,10)
    ZMK_MOCK_RELEASE(0,0,10)
    ZMK_MOCK_RELEASE(1,0,10)

    // TO 0
    ZMK_MOCK_PRESS(1,1,10)
    ZMK_MOCK_RELEASE(1,1,10)

    // TO 3
    ZMK_MOCK_PRESS(1,1,10)
    ZMK_MOCK_RELEASE(1,1,10)

    // LT 3->2 and get 2
    ZMK_MOCK_PRESS(1,0,10)
    ZMK_MOCK_PRESS(0,0,10)
    ZMK_MOCK_RELEASE(0,0,10)
    ZMK_MOCK_RELEASE(1,0,10)
    >;
};