Update device tree overlay for stepper control and adjust project configurations

Author: andre-stefanov

app/boards/qemu_cortex_m0.overlay

@@ -3,24 +3,24 @@
  *
  * Devicetree overlay enabling the Moonlite focuser firmware on the
  * qemu_cortex_m0 board. The design uses the generic GPIO H-bridge stepper
- * controller so the application can run entirely in the simulator.
+ * controller for motion ("stepper" alias) plus the Zephyr fake stepper
+ * driver ("stepper-drv" alias) so the application can exercise the driver
+ * enable path under simulation.
  */
 
 / {
 	aliases {
 		stepper = &focuser_stepper;
-		stepper-drv = &focuser_stepper;
+		stepper-drv = &focuser_stepper_drv;
+	};
+
+	focuser_stepper_drv: focuser_stepper_drv {
+		compatible = "zephyr,fake-stepper-driver";
+		status = "okay";
 	};
 
 	focuser_stepper: focuser_stepper {
-		compatible = "zephyr,h-bridge-stepper";
-		/* Four phase outputs feeding a simulated H-bridge. */
-		gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>,
-			<&gpio0 2 GPIO_ACTIVE_HIGH>,
-			<&gpio0 3 GPIO_ACTIVE_HIGH>,
-			<&gpio0 4 GPIO_ACTIVE_HIGH>;
-		en-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
-		micro-step-res = <1>;
+		compatible = "zephyr,fake-stepper-controller";
 		status = "okay";
 	};
 

app/prj.conf

@@ -24,6 +24,8 @@ CONFIG_LOG_BACKEND_UART=y
 # Set the application log level.
 CONFIG_APP_LOG_LEVEL_INF=y
 
+CONFIG_COUNTER=y
+
 # Enable Zephyr's generic stepper controller subsystem and the TMC2209 backend.
 CONFIG_STEPPER=y
 CONFIG_STEPPER_ADI_TMC2209=y

app/sample.yaml

@@ -8,7 +8,6 @@ common:
   build_only: true
   integration_platforms:
     - esp32s3_devkitc/esp32s3/procpu
-    - qemu_cortex_m0
 tests:
   app.default: {}
   app.debug:

west.yml

@@ -15,7 +15,7 @@ manifest:
 
   projects:
     - name: zephyr
-      remote: jilaypandya
+      remote: andre-stefanov
       revision: feature/introduce-step-dir-functions
       import:
         # By using name-allowlist we can clone only the modules that are