first commit

.gitignore

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+# Build output
+/build/
+
+# Python virtual environments
+/.venv*/
+
+# Local west workspace configuration
+/.west/
+
+# Repositories downloaded and managed by west
+/zephyr/
+/bootloader/
+/modules/
+/tools/

LICENSE

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+MIT License
+
+Copyright (c) 2025 hangpersonal
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and 
+associated documentation files (the "Software"), to deal in the Software without restriction, including 
+without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
+copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the 
+following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial 
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 
+LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO 
+EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 
+USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+### STM32F407VET6 Dev Board
+
+STM32F407VET6 (LQFP100)
+- CPU: 168MHz
+- Flash: 512KB
+- SRAM: 192KB
+
+<a href="url"><img src="./images/stm32vet6_board.png" width="400"></a>  
+
+### STM32F4DISCOVERY Discovery Board
+
+STM32F407VGT6 (LQFP100)
+- CPU: 168MHz
+- Flash: 1MB
+- SRAM: 192KB
+
+<a href="url"><img src="./images/stm32f4_disco.png" width="600"></a>
+
+## Workspace setup
+
+This repository contains the STM32 applications and the west manifest. Zephyr,
+its modules, bootloaders, and tools are downloaded separately by west.
+
+### Prerequisites
+
+Install Git and Python 3, then create an empty workspace directory.
+
+### Clone and initialize
+
+Run these commands from the empty workspace directory:
+
+```powershell
+git clone ssh://git@gitea.cuihang1201.synology.me:2222/hangpersonal/STM32_Zephyr_RTOS.git
+
+cd STM32_Zephyr_RTOS
+py -3.12 -m venv .venv
+.\.venv\Scripts\Activate.ps1
+python.exe -m pip install --upgrade pip
+
+pip install west
+west --version
+west init --mr v4.4.2 .
+west update
+west zephyr-export
+west packages pip --install
+west sdk install
+```
+
+The resulting workspace layout is:
+
+```text
+workspace/
+|-- .west/
+|-- .venv/
+|-- zephyr/
+|-- modules/
+|-- bootloader/
+|-- tools/
+|-- apps/
+`-- build/
+```
+
+#### Project: kconfig_hello
+
+Run these commands from the workspace root:
+
+```powershell
+west build -p always `
+  -s apps\kconfig_hello `
+  -d build\kconfig_hello `
+  -b stm32f4_disco
+
+west flash -d build\kconfig_hello
+```

apps/kconfig_hello/CMakeLists.txt

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+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(hello_world)
+
+target_sources(app PRIVATE src/main.c)

apps/kconfig_hello/prj.conf

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+# Enable the logging framework
+CONFIG_LOG=y
+# Set the default logging level
+CONFIG_LOG_DEFAULT_LEVEL=3
+
+#--- DEBUG PRESET - BEGIN ---#
+# Set to -Og
+CONFIG_DEBUG_OPTIMIZATIONS=y
+# Thread awareness support
+CONFIG_DEBUG_THREAD_INFO=y
+# Generate stack usage per-function
+CONFIG_STACK_USAGE=y
+# Other options in case not set by default
+CONFIG_BUILD_OUTPUT_HEX=y
+CONFIG_BUILD_OUTPUT_META=y
+CONFIG_OUTPUT_SYMBOLS=y
+CONFIG_OUTPUT_STAT=y
+CONFIG_OUTPUT_DISASSEMBLY=y
+CONFIG_OUTPUT_PRINT_MEMORY_USAGE=y
+#--- DEBUG PRESET - END ---#

apps/kconfig_hello/src/main.c

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+#include <zephyr/kernel.h>
+#include <zephyr/sys/printk.h>
+
+int main(void) {
+
+	printk("Hello World from Zephyr! %s\n", CONFIG_BOARD_TARGET);
+
+	if (IS_ENABLED(CONFIG_LOG)) {
+		printk("Logging is enabled (level=%d)\n", CONFIG_LOG_DEFAULT_LEVEL);
+	} else {
+		printk("Logging is disabled\n");
+	}
+
+	return 0;
+}