scripts: runners: Add wrapper for WCHISPTool

`WCHISPTool_CMD` is the commandline version of WCHISPTool, which is a USB
flashing tool for WCH series MCUs.

Signed-off-by: Chen Xingyu <hi@xingrz.me>

boards/common/wchisp.board.cmake

@@ -0,0 +1,5 @@
+# Copyright (c) 2023-2024 Chen Xingyu <hi@xingrz.me>
+# SPDX-License-Identifier: Apache-2.0
+
+board_set_flasher_ifnset(wchisp)
+board_finalize_runner_args(wchisp)

scripts/west_commands/runners/__init__.py

@@ -59,6 +59,7 @@ def _import_runner_module(runner_name):
     'teensy',
     'trace32',
     'uf2',
+    'wchisp',
     'xtensa',
     # Keep this list sorted by runner name; don't add to the end.
 ]

scripts/west_commands/runners/wchisp.py

@@ -0,0 +1,43 @@
+# Copyright (c) 2023-2024 Chen Xingyu <hi@xingrz.me>
+# SPDX-License-Identifier: Apache-2.0
+
+'''Runner for flashing WCH devices with WCHISPTool_CMD.'''
+
+from runners.core import ZephyrBinaryRunner, RunnerCaps
+
+class WchIspBinaryRunner(ZephyrBinaryRunner):
+    '''Runner front-end for WCHISPTool_CMD'''
+
+    def __init__(self, cfg, device, cfg_file):
+        super().__init__(cfg)
+        self.app_bin = cfg.bin_file
+        self.device = device
+        self.cfg_file = cfg_file
+
+    @classmethod
+    def name(cls):
+        return 'wchisp'
+
+    @classmethod
+    def capabilities(cls):
+        return RunnerCaps(commands={'flash'})
+
+    @classmethod
+    def do_add_parser(cls, parser):
+        parser.add_argument('--device', required=True,
+                            help='port of the USB ISP device')
+        parser.add_argument('--cfg-file', required=True,
+                            help='configuration file generated by WCHISPTool')
+
+    @classmethod
+    def do_create(cls, cfg, args):
+        return WchIspBinaryRunner(cfg, args.device, args.cfg_file)
+
+    def do_run(self, command, **kwargs):
+        self.check_call([
+            'WCHISPTool_CMD',
+            '--device', self.device,
+            '--configure', self.cfg_file,
+            '--operation', 'program',
+            '--flash', self.app_bin,
+        ])

scripts/west_commands/tests/test_imports.py

@@ -49,5 +49,6 @@ def test_runner_imports():
                     'trace32',
                     'teensy',
                     'uf2',
+                    'wchisp',
                     'xtensa'))
     assert runner_names == expected