zmk/app/tests/sticky-keys/8-lsk-osk-combination/native_posix.keymap

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

/ {
	keymap {
		compatible = "zmk,keymap";
		label ="Default keymap";

		default_layer {
			bindings = <
				&sk E &sl 1
				&kp A &kp B>;
		};

		lower_layer {
			bindings = <
				&sk LEFT_CONTROL &kp X
				&kp Y  &kp Z>;
		};
	};
};

&kscan {
	events = <
		/* tap sl lower_layer */
		ZMK_MOCK_PRESS(0,1,10) 
		ZMK_MOCK_RELEASE(0,1,10) 
		/* tap sk LEFT_CONTROL */
		ZMK_MOCK_PRESS(0,0,10)
		ZMK_MOCK_RELEASE(0,0,10)
		/* tap Y */
		ZMK_MOCK_PRESS(1,0,10) 
		ZMK_MOCK_RELEASE(1,0,10) 
		
		/* repeat */
		/* tap sl */
		ZMK_MOCK_PRESS(0,1,10) 
		ZMK_MOCK_RELEASE(0,1,10) 
		/* tap sk */
		ZMK_MOCK_PRESS(0,0,10)
		ZMK_MOCK_RELEASE(0,0,10)
		/* tap Y */
		ZMK_MOCK_PRESS(1,0,10) 
		ZMK_MOCK_RELEASE(1,0,10) 
	>;
};