Add Generation of jdebug files

export PICO_MAKE_OZONE_PROJECT=1
Run cmake and then if PICO_MAKE_OZONE_PROJECT is defined it should
generate <target>.jdebug

src/cmake/on_device.cmake

@@ -85,6 +85,15 @@ function(pico_add_extra_outputs TARGET)
     if (NOT (PICO_NO_UF2 OR PICO_NO_PICOTOOL))
         pico_add_uf2_output(${TARGET})
     endif()
+
+    if (DEFINED ENV{PICO_MAKE_OZONE_PROJECT})
+        set(OZONE_PROJECT_FILE $<IF:$<BOOL:$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>>,$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>,$<TARGET_PROPERTY:${TARGET},NAME>>.jdebug)
+        set(OZONE_PROJECT_PY ${PICO_SDK_PATH}/tools/generate_ozone_project.py)
+        add_custom_command(TARGET ${TARGET} POST_BUILD
+                COMMAND python ${OZONE_PROJECT_PY} ${PICO_PLATFORM} $<TARGET_FILE:${TARGET}> ${OZONE_PROJECT_FILE}
+                VERBATIM)
+    endif()
+
 endfunction()
 
 # PICO_CMAKE_CONFIG: PICO_NO_HARDWARE, Option as to whether the build is not targeting an RP2040 or RP2350 device, type=bool, default=1 when PICO_PLATFORM is host, 0 otherwise, group=build

tools/generate_ozone_project.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 2024 Raspberry Pi (Trading) Ltd.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+# Little script to build a header file including every other header file in the SDK!
+# (also checks we don't have "conflicting" header-filenames)
+# Edit the IGNORE_DIRS variable to filter out which directories get looked in.
+#
+# Usage:
+#
+# tools/generate_ozone_project PICO_PLATFORM ELF-File Ozone-Project-File
+#
+# Example:
+# # ./generate_ozone_project 'rp2350-arm-s' '/Users/mringwal/Projects/pico/pico-examples/ninja/pico_w/bt/gatt_counter/picow_bt_example_gatt_counter_poll.elf' 'project.jdebug'
+
+import sys
+
+# Inline project template
+project_template = \
+'''
+
+// Stripped down version of generic Ozone project file for pico-sdk
+
+/*********************************************************************
+*
+*       OnProjectLoad
+*
+* Function description
+*   Project load routine. Required.
+*
+**********************************************************************
+*/
+void OnProjectLoad (void) {{
+
+ 	Project.SetDevice ("{device_type}");
+ 	Project.SetTargetIF ("SWD");
+ 	Project.SetTIFSpeed ("4 MHz");
+ 	Project.AddSvdFile ("$(InstallDir)/Config/CPU/{cpu_type}.svd");
+
+ 	File.Open ("{elf_file}");
+}}
+'''
+
+# Map PICO_PLATFORM to SEGGER Ozone
+device_mapping = {
+	'rp2040'       : ('RP2040_M0_0',   'Cortex-M0'  ),
+	'rp2350-arm-s' : ('RP2350_M33_0',  'Cortex-M33F'),
+	'rp2350-riscv' : ('RP2350_RV32_0', 'RV32IFD'    )
+}
+
+def generate_project(pico_platform, elf_file, out_file):
+	# Get platform info
+	device_type, cpu_type = device_mapping[pico_platform]
+	with open(out_file, 'w') as writer:
+		writer.write(project_template.format(device_type=device_type, cpu_type=cpu_type, elf_file=elf_file))
+
+
+# Input from command line
+if len(sys.argv) != 4:
+    print("Usage: {} PICO_PLATFORM ELF-File Ozone-Project-File".format(os.path.basename(sys.argv[0])))
+    sys.exit(1)
+_, PICO_PLATFORM, ELF_FILE, OUT_FILE = sys.argv
+
+# generate project
+generate_project(PICO_PLATFORM, ELF_FILE, OUT_FILE)
+
+