设备驱动模块

创建设备驱动模块以访问硬件板的特定功能

设备驱动模块是一种特殊形式的 MATLAB^® System 模块，当部署到 Arduino^® 硬件板时，它会生成自定义 C/C++ 设备驱动代码。通过设备驱动模块可轻松访问无法在 Simulink^® Support Package for Arduino Hardware 中使用函数和模块访问的硬件板功能，例如通信协议或硬件库。

您可以从 System object™ 模板开发设备驱动模块，然后与其他用户共享完成的模块。

函数

`arduino.supportpkg.getAVRLibraryRoot`	Get Arduino AVR library root directory path
`arduino.supportpkg.getAVRRoot`	Get Arduino AVR file root path
`arduino.supportpkg.getBoardInfo`	Get properties of Arduino board in active Simulink model
`arduino.supportpkg.getIDERoot`	Get Arduino IDE file root path
`arduino.supportpkg.getLibraryRoot`	Get Arduino library root directory path
`arduino.supportpkg.getSAMDLibraryRoot`	Get Arduino SAMD library root directory path
`arduino.supportpkg.getSAMDRoot`	Get Arduino SAMD file root path
`arduino.supportpkg.getSAMLibraryRoot`	Get Arduino SAM library root directory path
`arduino.supportpkg.getSAMRoot`	Get Arduino SAM file root path

主题

Prerequisites for Developing Device Driver Blocks
Understand the system requirements and recommended skills to develop device driver blocks for Arduino hardware boards.
Structure of Device Driver System Object
Learn more about device driver block concepts and operation.
Simulation with Device Driver Blocks
Choose and implement a data simulation mode for device driver blocks.
Sharing Device Driver Blocks with Other Users
Package and distribute your device driver blocks.
Measure Servo Motor Shaft Angle Using Device Driver Block in Connected I/O
Enable Connected I/O on a Simulink System object block that contains hardware-specific code allowing access to hardware-specific features.
创建 Digital Write 模块

使用 System object 创建 Digital Write 模块。
- 步骤 1: Create a Project Folder
- 步骤 2: Write the Hardware-Specific C/C++ Code
- 步骤 3: Select a System Object Template
- 步骤 4: Specify the Initialization, Output, and Termination Behavior
- 步骤 5: Test System Object on MATLAB Command Line
- 步骤 6: Create the MATLAB System Block
- 步骤 7: Generate Code and Deploy the Model to the Hardware
Create a Digital Read Block

Create a Digital Read block using a System object.
- 步骤 1: Create a Project Folder
- 步骤 2: Write the Hardware-Specific C/C++ Code
- 步骤 3: Select System Object Template
- 步骤 4: Specify the Initialization, Output, and Termination
- 步骤 5: Set Output Port Properties
- 步骤 6: Test System Object
创建模块封装

为设备驱动模块创建模块封装。
- 步骤 1: Add Description for Users
- 步骤 2: Add Pin Number Property
- 步骤 3: Add Push Button to View Pin Map
Create Custom Device Driver Block for Arduino Library

Create a custom device driver block for Arduino hardware.
- 步骤 1: Create Project and Libraries Folder
- 步骤 2: Write Hardware Specific C/C++ Code
- 步骤 3: Select System Object Template
- 步骤 4: Specify Initialization, Output, and Termination Behavior
- 步骤 5: Update Paths for Source and Header Files
- 步骤 6: 设置输出端口属性
- 步骤 7: 创建 MATLAB 系统模块
- 步骤 8: Generate Code and Deploy Model to Hardware