commit 400bf83204fb3b84d835ca77b1fc0e9953bed00a
Author: Wang Beihong <beihong@example.com>
Date:   Sun Apr 5 20:13:30 2026 +0800

    first commit

diff --git a/.clangd b/.clangd
new file mode 100644
index 0000000..437f255
--- /dev/null
+++ b/.clangd
@@ -0,0 +1,2 @@
+CompileFlags:
+    Remove: [-f*, -m*]
diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
new file mode 100644
index 0000000..dafb8ad
--- /dev/null
+++ b/.devcontainer/Dockerfile
@@ -0,0 +1,13 @@
+ARG DOCKER_TAG=latest
+FROM espressif/idf:${DOCKER_TAG}
+
+ENV LC_ALL=C.UTF-8
+ENV LANG=C.UTF-8
+
+RUN apt-get update -y && apt-get install udev -y
+
+RUN echo "source /opt/esp/idf/export.sh > /dev/null 2>&1" >> ~/.bashrc
+
+ENTRYPOINT [ "/opt/esp/entrypoint.sh" ]
+
+CMD ["/bin/bash", "-c"]
\ No newline at end of file
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 0000000..246b79f
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,19 @@
+{
+	"name": "ESP-IDF QEMU",
+	"build": {
+		"dockerfile": "Dockerfile"
+	},
+	"customizations": {
+		"vscode": {
+			"settings": {
+				"terminal.integrated.defaultProfile.linux": "bash",
+				"idf.gitPath": "/usr/bin/git"
+			},
+			"extensions": [
+				"espressif.esp-idf-extension",
+				"espressif.esp-idf-web"
+			]
+		}
+	},
+	"runArgs": ["--privileged"]
+}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7805557
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,78 @@
+# macOS
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Directory metadata
+.directory
+
+# Temporary files
+*~
+*.swp
+*.swo
+*.bak
+*.tmp
+
+# Log files
+*.log
+
+# Build artifacts and directories
+**/build/
+build/
+*.o
+*.a
+*.out
+*.exe # For any host-side utilities compiled on Windows
+
+# ESP-IDF specific build outputs
+*.bin
+*.elf
+*.map
+flasher_args.json # Generated in build directory
+sdkconfig.old
+sdkconfig
+
+# ESP-IDF dependencies
+# For older versions or manual component management
+/components/.idf/
+**/components/.idf/
+# For modern ESP-IDF component manager
+managed_components/
+# If ESP-IDF tools are installed/referenced locally to the project
+.espressif/
+
+# CMake generated files
+CMakeCache.txt
+CMakeFiles/
+cmake_install.cmake
+install_manifest.txt
+CTestTestfile.cmake
+
+# Python environment files
+*.pyc
+*.pyo
+*.pyd
+__pycache__/
+*.egg-info/
+dist/
+
+# Virtual environment folders
+venv/
+.venv/
+env/
+
+# Language Servers
+.clangd/
+.ccls-cache/
+compile_commands.json
+
+# Windows specific
+Thumbs.db
+ehthumbs.db
+Desktop.ini
+
+# User-specific configuration files
+*.user
+*.workspace # General workspace files, can be from various tools
+*.suo       # Visual Studio Solution User Options
+*.sln.docstates # Visual Studio
diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
new file mode 100644
index 0000000..424a5c3
--- /dev/null
+++ b/.vscode/c_cpp_properties.json
@@ -0,0 +1,19 @@
+{
+  "configurations": [
+    {
+      "name": "ESP-IDF",
+      "compilerPath": "/home/beihong/.espressif/tools/xtensa-esp-elf/esp-14.2.0_20251107/xtensa-esp-elf/bin/xtensa-esp32-elf-gcc",
+      "compileCommands": "${config:idf.buildPath}/compile_commands.json",
+      "includePath": [
+        "${workspaceFolder}/**"
+      ],
+      "browse": {
+        "path": [
+          "${workspaceFolder}"
+        ],
+        "limitSymbolsToIncludedHeaders": true
+      }
+    }
+  ],
+  "version": 4
+}
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..3694ae4
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,10 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "gdbtarget",
+      "request": "attach",
+      "name": "Eclipse CDT GDB Adapter"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..6b69752
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,17 @@
+{
+  "C_Cpp.intelliSenseEngine": "default",
+  "idf.openOcdConfigs": [
+    "board/esp32c3-builtin.cfg"
+  ],
+  "idf.port": "/dev/ttyACM0",
+  "idf.currentSetup": "/home/beihong/esp/v5.5.2/esp-idf",
+  "idf.customExtraVars": {
+    "IDF_TARGET": "esp32c3"
+  },
+  "clangd.path": "/home/beihong/.espressif/tools/esp-clang/esp-19.1.2_20250312/esp-clang/bin/clangd",
+  "clangd.arguments": [
+    "--background-index",
+    "--query-driver=**",
+    "--compile-commands-dir=/home/beihong/esp_projects/esp32c3-smart-scale/build"
+  ]
+}
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100755
index 0000000..6f9d26c
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,6 @@
+# The following five lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.16)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(esp32c3-smart-scale)
diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
new file mode 100755
index 0000000..cf2c455
--- /dev/null
+++ b/main/CMakeLists.txt
@@ -0,0 +1,2 @@
+idf_component_register(SRCS "main.c"
+                    INCLUDE_DIRS ".")
diff --git a/main/main.c b/main/main.c
new file mode 100755
index 0000000..7b66f33
--- /dev/null
+++ b/main/main.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+void app_main(void)
+{
+
+}