What is the difference between /dev/ttyUSB and /dev/ttyACM
来源：互联网 发布：网络语言1是什么意思 编辑：程序博客网 时间：2024/06/05 03:00
https://www.rfc1149.net/blog/2013/03/05/what-is-the-difference-between-devttyusbx-and-devttyacmx/
理解为何有的USB串口叫ttyUSB而有的叫ttyACM
对于转换桥，功能较单一，归类为ttyUSB。驱动在drivers/usb/serial/usb-serial.c。 比如FDTI转换芯片虚拟出的串口，在ubuntu上都识别为ttyUSB*.
对于带通信规约的接口，实现复杂，归类为ttyACM。驱动在drivers/usb/class/cdc_acm.c。比如arduino uno rev3板子的usb串口是由atmega16u2芯片完成的。本身芯片可以运行usb协议代码。
0 0
- What is the difference between /dev/ttyUSB and /dev/ttyACM?
- What is the difference between /dev/ttyUSB and /dev/ttyACM?
- What is the difference between /dev/ttyUSB and /dev/ttyACM
- What is the difference between --save and --save-dev?
- What is the difference between test, [ and [[ ?
- what is the difference between the setTimeout and setInterval
- What is the difference between DHTML and the DOM?
- What is the difference between the mouseover and mouseenter events?
- What is the difference between AWT and SWT?
- What is the difference between User Control and Custom Control?
- What is the difference between an EXE and a DLL?
- What is the difference between XML and C or C ?
- What is the difference between SMOD and CMOD?
- what is the difference between little-endian and big-endian.
- What is the difference between procedural and nonprocedural language?
- What is the difference between a thread and a process?
- What is the difference between objectForKey and valueForKey?
- What is the difference between Microsoft TMG and UAG ?
- android:json解析的两个工具：Gson和Jackson的使用小例子
- NYOJ891-找点
- C++对象模型那点事儿（布局篇）
- XP环境 boot.ini 关闭 DEP
- XML—尝试对一个XML文档进行增删查改编程
- What is the difference between /dev/ttyUSB and /dev/ttyACM
- C函数解析MP3信息
- 总结一下SQL语句中引号(')、quotedstr()、('')、format()在SQL语句中的用法
- org.hibernate.hql.ast.QuerySyntaxException: XX is not mapped [from XX]
- 要想成功 必备9大好习惯 以及 必须克服的9个坏习惯
- Maven与nexus
- web.xml中load-on-startup的作用
- enable_shared_from_this用法
- 好设计，迁移不费劲
