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README
LGPL-3.0

OpenVisa

[TOC]

简介

测试测量仪器通信库,包含TCP,Serial Port,USB,VXI11, HiSLIP等通信协议。 API文档:https://llongww.gitee.io/openvisa

一、编写本项目的目的

  1. 常用的NI-VISA是一个商业软件,并没有多少开源免费软件可以替代;
  2. 我只是想要简简单单地和设备通信而已,受够了每次安装我们的软件,都要携带几个G的通信库安装包。

二、开发计划

  • TCP socket Ascii通信
  • 串口 Ascii通信
  • USBTMC
  • VXI-11
  • HiSLIP
  • GPIB

由于个人精力原因,上述开发仅实现了基本通信功能,并未实现全功能VISA,如VISA的Event等功能,虽然未来计划是跨平台的,但目前部分功能仅实现了Windows端。

三、编译

本项目基于C++20标准编写,在VS2022下编译通过。

1. 第三方库

  • boost
  • libusb

我并没有太多时间来验证各版本的boost和libusb是否存在编译问题,我用的boost版本为 1.78.0,libusb库为1.0.25,如果使用其它版本的第三方库出现问题时,可以给我反馈。

2. 环境变量设置

  • 添加 BOOST_ROOT 变量,并设置值为 BOOST库根目录,比如:C:\local\boost_1_78_0
  • 添加 BOOST_LIBRARYDIR 变量,并设置值为 BOOST lib库所在目录,比如:%BOOST_ROOT%\lib64-msvc-14.3
  • 添加 BOOST_INCLUDEDIR 变量,并设置值为 BOOST 头文件目录,比如 %BOOST_ROOT%

3. CMake设置

如果libusb的目录与OpenVisa在同级目录中,一般来说下述变量将会自动查找

  • 设置 LIBUSB_INCLUDEDIR 为 libusb.h 头文件所在目录的上一级,比如 libusb.h 的所在目录为:F:\3rd\libusb\libusb\libusb.h,则将 LIBUSB_INCLUDEDIR 设为 F:/3rd/libusb

  • 设置LIBUSB_INCLUDEDIR 后一般情况下lib和dll的路径将会自动查找如果没有自动查找,则设置如下变量

  • 设置 LIBUSB_DEBUG_LIBRARY 为Debug模式下的 libusb-1.0.lib 文件所在的路径,如:F:/3rd/libusb/x64/Debug/dll/libusb-1.0.lib

  • 设置 LIBUSB_RELEASE_LIBRARY 为Release模式下的 libusb-1.0.lib 文件所在的路径,如:F:/3rd/libusb/x64/Release/dll/libusb-1.0.lib

  • 设置 LIBUSB_DEBUG_DLL 为Debug模式下的 libusb-1.0.dll 文件所在的路径,如:F:/3rd/libusb/x64/Debug/dll/libusb-1.0.dll

  • 设置 LIBUSB_RELEASE_DLL 为Release模式下的 libusb-1.0.dll 文件所在的路径,如:F:/3rd/libusb/x64/Release/dll/libusb-1.0.dll

如果编译时没有找到 libusb.h,请检查LIBUSB_INCLUDEDIR的设置是否正确,如果编译动态库时出现链接错误,请检查LIBUSB_LIBRARY

**注意:**如果修改了LIBUSB_USE_STATIC变量,请删除cmake缓存重新构建,否则可能产生错误。

四、使用

1. TCP Raw Socket

OpenVisa::Object visa;
visa.connect(OpenVisa::Address<OpenVisa::AddressType::RawSocket>("192.168.0.111", 9999));
// or visa.connect("TCPIP::192.168.0.111::9999::SOCKET");
visa.send("*IDN?");
std::cout << visa.readAll();

2. 串口

OpenVisa::Object visa;
auto& attr = visa.attribute();
attr.setBaudRate(115200);
attr.setDataBits(OpenVisa::DataBits::Data8);
attr.setFlowControl(OpenVisa::FlowControl::None);
attr.setParity(OpenVisa::Parity::None);
attr.setStopBits(OpenVisa::StopBits::One)
visa.connect(OpenVisa::Address<OpenVisa::AddressType::SerialPort>("COM3"));
// or visa.connect("ASRL3::INSTR");
visa.send("*IDN?");
std::cout << visa.readAll();

3. USB

OpenVisa::Object visa;
visa.connect(OpenVisa::Address<OpenVisa::AddressType::USB>(0x0a69, 0x0651, "0000000000001"));
// or visa.connect("USB::0x0A69::0x0651::0000000000001::INSTR");
visa.send("*IDN?");
std::cout << visa.readAll();

注意:如果安装过NI-VISA驱动库,我们无法访问NI-VISA的驱动,可以尝试安装这个驱动:https://pan.baidu.com/s/1onVU5vPZAHbREZ_zEVLA0A,提取码9dmy,或者使用Zadig将驱动程序替换为WinUSB。

4. VXI-11

OpenVisa::Object visa;
visa.connect(OpenVisa::Address<OpenVisa::AddressType::VXI11>("192.168.0.111", "inst0"));
// or visa.connect("TCPIP::192.168.0.111::INSTR");
visa.send("*IDN?");
std::cout << visa.readAll();

5. HiSLIP

OpenVisa::Object visa;
visa.connect(OpenVisa::Address<OpenVisa::AddressType::HiSLIP>("192.168.0.111", "hislip0"));
// or visa.connect("TCPIP::192.168.0.111::hislip0");
visa.send("*IDN?");
std::cout << visa.readAll();

五、参考

GNU LESSER GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. This version of the GNU Lesser General Public License incorporates the terms and conditions of version 3 of the GNU General Public License, supplemented by the additional permissions listed below. 0. Additional Definitions. As used herein, "this License" refers to version 3 of the GNU Lesser General Public License, and the "GNU GPL" refers to version 3 of the GNU General Public License. "The Library" refers to a covered work governed by this License, other than an Application or a Combined Work as defined below. An "Application" is any work that makes use of an interface provided by the Library, but which is not otherwise based on the Library. Defining a subclass of a class defined by the Library is deemed a mode of using an interface provided by the Library. A "Combined Work" is a work produced by combining or linking an Application with the Library. The particular version of the Library with which the Combined Work was made is also called the "Linked Version". The "Minimal Corresponding Source" for a Combined Work means the Corresponding Source for the Combined Work, excluding any source code for portions of the Combined Work that, considered in isolation, are based on the Application, and not on the Linked Version. The "Corresponding Application Code" for a Combined Work means the object code and/or source code for the Application, including any data and utility programs needed for reproducing the Combined Work from the Application, but excluding the System Libraries of the Combined Work. 1. Exception to Section 3 of the GNU GPL. You may convey a covered work under sections 3 and 4 of this License without being bound by section 3 of the GNU GPL. 2. Conveying Modified Versions. If you modify a copy of the Library, and, in your modifications, a facility refers to a function or data to be supplied by an Application that uses the facility (other than as an argument passed when the facility is invoked), then you may convey a copy of the modified version: a) under this License, provided that you make a good faith effort to ensure that, in the event an Application does not supply the function or data, the facility still operates, and performs whatever part of its purpose remains meaningful, or b) under the GNU GPL, with none of the additional permissions of this License applicable to that copy. 3. Object Code Incorporating Material from Library Header Files. The object code form of an Application may incorporate material from a header file that is part of the Library. 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简介

测试测量仪器通信库,不依赖于NI-VISA等其他VISA库,已实现TCP,Serial Port,USB,VXI11,HiSLIP等通信协议。 展开 收起
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