ubuntu cp210x(USB转串口)驱动安装教程

Ubuntu CP210x驱动安装
本文介绍如何在Ubuntu上安装和配置CP2108 USB转串口桥接器的驱动程序。包括驱动下载、编译安装步骤及常见问题解决办法。

前言

CP2108 是一款高度集成的USB转4路UART的桥接器。
CP2108USB桥接器提供4个独立UART接口,采用集成式USB收发器,无需外部电阻要求;采用集成式时钟,无需外部晶振体要求;采用集成式可编程EEPROM,可用于定制产品信息。内置电源复位电路,符合USB规格2.0标准,通过SUSPEND引脚支持USB挂起状态。自供电电压为3.0至3.6V,USB总线供电电压为4.0至5.5V,可适应温度范围为-40℃至85℃。

1. 驱动下载

下载Linux版本需要先注册silicon官方账号
下载地址 silicon官网 cp210x 驱动代码下载地址
下载后不能直接编译,需要一些修改。

2. 驱动编译和安装

  • 查看内核版本
uname -r
  • 编译
cd (cp210x driver folder)
make 
This bundle contains a modified CP210x driver for the 4.10.0 kernel (Ubuntu 17.04). It contains: - Support for the CP2102N NOTE: This driver is an example of how to perform GPIO operations within the CP210x driver since the driver on kernel.org does not support GPIO at this time. This driver has only been written and tested on the Linux 3.13.0 kernel on Ubuntu 14.04. This driver is a modified version of the existing driver in the Linux 3.13.0 kernel, which is maintained at kernel.org. It is recommened to use the driver there that matches your specific kernel version: www.kernel.org Build instrutions: Ubuntu: 1. make ( your cp210x driver ) 2. cp cp210x.ko to /lib/modules//kernel/drivers/usb/serial 3. insmod /lib/modules/<kernel-version/kernel/drivers/usb/serial/usbserial.ko 4. insmod cp210x.ko RedHat: 1. yum update kernel* //need to update the kernel first otherwise your header won't match 2. yum install kernel-devel kernel-headers //get the devel and header packages. 3. reboot //your build link should be fixed after your system come back 4. make ( your cp210x driver ) // should be able to build successfully at this point 5. cp cp210x.ko to /lib/modules//kernel/drivers/usb/serial 6a. insmod /lib/modules/<kernel-version/kernel/drivers/usb/serial/usbserial.ko 6. insmod cp210x.ko 7. sudo chmod 666 /dev/ttyUSB0 8. sudo chmod 666 /dev/ttyUSB1 GPIO example: This shows how to use the two IOCTLs to set GPIO state. Build instructions: 1. g++ cp210x_gpio_example.c -o cp210x_gpio_example 2. ./cp210x_gpio_example
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