1.新增设备命令说明。

README.md

@@ -73,13 +73,8 @@
 示例：
 
 ```c
-struct mr_spi_dev spi_dev;
-
 int main(void)
 {
-    /* 注册SPI10设备（CS低电平有效）到SPI1总线上 */
-    mr_spi_dev_register(&spi_dev, "spi1/spi10", 0, MR_SPI_CS_ACTIVE_LOW);
-
     /* 打开SPI1总线下的SPI10设备 */
     int ds = mr_dev_open("spi1/spi10", MR_OFLAG_RDWR);
     
@@ -96,6 +91,12 @@ int main(void)
 }
 ```
 
+得益于标准化设备接口，所有设备自动支持 `msh` 设备命令，通过命令行可完成所有设备操作。
+
+![设备命令1](document/picture/readme/msh_device1.png)
+
+![设备命令2](document/picture/readme/msh_device2.png)
+
  ----------
 
 # 配置工具
@@ -124,8 +125,8 @@ int main(void)
 | include    | 库头文件   |
 | source     | 库源文件   |
 | Kconfig    | 配置文件   |
-| kconfig.py | 自动配置脚本 |
 | LICENSE    | 许可证    |
+| kconfig.py | 自动配置脚本 |
 | tool.py    | 自动构建脚本 |
 
  ----------

README_EN.md

@@ -80,13 +80,8 @@ All operations of the device can be implemented through the following interfaces
 Example:
 
 ```c
-struct mr_spi_dev spi_dev;
-
 int main(void)
 {
-    /* Register SPI10 device (CS low active) to SPI1 bus */
-    mr_spi_dev_register(&spi_dev, "spi1/spi10", 0, MR_SPI_CS_ACTIVE_LOW);
-
     /* Open SPI10 device under SPI1 bus line */
     int ds = mr_dev_open("spi1/spi10", MR_OFLAG_RDWR);
     
@@ -103,6 +98,13 @@ int main(void)
 }
 ```
 
+Thanks to the standardized device interface, all devices automatically support the `msh` device command, 
+and all device operations can be completed through the command line.
+
+![Device command1](document/picture/readme/msh_device1.png)
+
+![Device command2](document/picture/readme/msh_device2.png)
+
  ----------
 
 # Configuration tool
@@ -134,8 +136,8 @@ the `Python` script automatically generates the configuration file.
 | include    | Library header file            |
 | source     | Library source file            |
 | Kconfig    | Configuration files            |
-| kconfig.py | Automatic configuration script |
 | LICENSE    | Open-source license            |
+| kconfig.py | Automatic configuration script |
 | tool.py    | Automatic build script         |
 
  ----------