初始提交卡包 USB 工程

纳入固件源码、屏幕组件、nand_xfer 工具和文档。忽略本机构建产物、sdkconfig，以及含本机路径的依赖锁。

Co-authored-by: Cursor <[email protected]>

nand_xfer/nand_put_gui.spec

@@ -0,0 +1,37 @@
+# -*- mode: python ; coding: utf-8 -*-
+from PyInstaller.utils.hooks import collect_submodules
+
+hidden = collect_submodules("serial")
+hidden += ["nand_put"]
+
+a = Analysis(
+    ["nand_put_gui.py"],
+    pathex=["."],
+    binaries=[],
+    datas=[],
+    hiddenimports=hidden,
+    hookspath=[],
+    hooksconfig={},
+    runtime_hooks=[],
+    excludes=["unittest", "test_nand_put"],
+    noarchive=False,
+)
+pyz = PYZ(a.pure)
+exe = EXE(
+    pyz,
+    a.scripts,
+    a.binaries,
+    a.datas,
+    [],
+    name="NAND_Xfer",
+    debug=False,
+    bootloader_ignore_signals=False,
+    strip=False,
+    upx=False,
+    console=False,
+    disable_windowed_traceback=False,
+    argv_emulation=False,
+    target_arch=None,
+    codesign_identity=None,
+    entitlements_file=None,
+)