One more step to fixing debug problem

.gitignore

@@ -41,10 +41,8 @@ modules/
 *.config
 *.conf.old
 include/generated/
-.zephyr
 
 # IDE/editor files
-.vscode/
 .idea/
 *.swp
 *.swo

.vscode/launch.json

@@ -0,0 +1,15 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "nrf-connect",
+            "request": "launch",
+            "name": "Launch PHF000-Firmware",
+            "config": "${workspaceFolder}/build_4/PHF000-Firmware",
+            "runToEntryPoint": "main"
+        }
+    ]
+}

.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+    "nrf-connect.debugging.bindings": {
+        "${workspaceFolder}/build_4/PHF000-Firmware": "Launch PHF000-Firmware"
+    },
+    "files.associations": {
+        "nrfx_temp.h": "c"
+    }
+}

boards/Mi_labs/phf000_board/board.cmake

@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 board_runner_args(jlink "--device=nRF52833_xxAA" "--speed=4000")
+set(OPENOCD_NRF5_SUBFAMILY "nrf52") 
 board_runner_args(pyocd "--target=nrf52833" "--frequency=4000000")
 include(${ZEPHYR_BASE}/boards/common/nrfutil.board.cmake)
 include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake)

prj.conf

@@ -21,4 +21,4 @@ CONFIG_USB_CDC_ACM=y
 CONFIG_USB_DEVICE_PRODUCT="Zephyr USB console sample"
 
 # STEP 1.1 - Enable MCUboot 
-CONFIG_BOOTLOADER_MCUBOOT=y
+#CONFIG_IBOOTLOADER_MCUBOOT=y

sysbuild/mcuboot.conf

@@ -7,7 +7,7 @@ CONFIG_MCUBOOT_DOWNGRADE_PREVENTION=y
 # STEP 3.1 - Increase flash space for MCUboot child image, to fit USB drivers
 CONFIG_PM_PARTITION_SIZE_MCUBOOT=0x10000
 
-CONFIG_MCUBOOT_GENERATE_UNSIGNED_IMAGE=y
+#CONFIG_MCUBOOT_GENERATE_UNSIGNED_IMAGE=y
 
 CONFIG_MCUBOOT_SERIAL=y
 CONFIG_BOOT_SERIAL_CDC_ACM=y