First commit with working display

managed_components/lvgl__lvgl/scripts/gdb/lvglgdb/cmds/display/__init__.py

@@ -0,0 +1,5 @@
+from .lv_display import DumpDisplayBuf
+
+__all__ = [
+    "DumpDisplayBuf",
+]

managed_components/lvgl__lvgl/scripts/gdb/lvglgdb/cmds/display/lv_display.py

@@ -0,0 +1,54 @@
+import argparse
+import gdb
+
+from lvglgdb.lvgl import curr_inst
+from lvglgdb.lvgl import LVDrawBuf
+
+
+class DumpDisplayBuf(gdb.Command):
+    """dump display buf to image"""
+
+    def __init__(self):
+        super(DumpDisplayBuf, self).__init__(
+            "dump display", gdb.COMMAND_USER, gdb.COMPLETE_EXPRESSION
+        )
+
+    def invoke(self, args, from_tty):
+        parser = argparse.ArgumentParser(description="Dump display draw buffer.")
+        parser.add_argument(
+            "-p",
+            "--prefix",
+            type=str,
+            default="",
+            help="prefix of dump file path",
+        )
+        parser.add_argument(
+            "-f",
+            "--format",
+            type=str,
+            choices=["bmp", "png"],
+            default=None,
+            help="dump file format (bmp or png)",
+        )
+
+        try:
+            args = parser.parse_args(gdb.string_to_argv(args))
+        except SystemExit:
+            return
+
+        display = curr_inst().disp_default()
+        if not display:
+            print("Error: Invalid display pointer")
+            return
+        buffers = {
+            "buf_1": display.buf_1,
+            "buf_2": display.buf_2,
+        }
+
+        for buf_name, buf_ptr in buffers.items():
+            if buf_ptr is not None:
+                draw_buf = LVDrawBuf(buf_ptr)
+                filename = f"{args.prefix}{buf_name}.{args.format.lower() if args.format else 'bmp'}"
+                draw_buf.data_dump(filename, args.format)
+            else:
+                print(f"Warning: {buf_name} buffer is None, skipping.")