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README
Apache-2.0

TestSerial

介绍

串口设备通讯校验与时序图绘制

发送(本机)串口指令数据,接收设备(从机)回复,并比对设备回复与期待回复是否相同以验证串口通讯是否有效。

同时在控制台输出发送指令数据与期待回复数据的电位时序波型,可以用来与示波器显示的波型进行比对。

在离线状态可以仅用于显示数据波型。

运行效果:
    OnLine model: Serial 'rs485' is opened at port:'/dev/cu.usbserial-AL0617PC'
    Command(Enter for last):7 166 10
    Expected Respond:7 2 10
    Will be send: 7 166 10 
    Timing Volts: _---_____-|__--__-_--|__-_-____-|
    Expected Respond: 7 2 10 
    Timing Volts: _---_____-|__-______-|__-_-____-|
    Serial Recieve: 7 2 10 , Meet the expected.

程序:J.wang(王建)

版本: 0.1.0

原代码: https://gitee.com/jwang70s/TestSerial

协议: Apache 2.0

jwang70s@sina.com

软件架构

'testSerial.py'

'README.md'

'README.en.md'

安装教程

在控制台中运行

使用说明

  1. 运行

    python3 testSerial.py

    可选参数:

     -h, --help            show this help message and exit 帮助
     -p PORTNAME, --portname PORTNAME
                             serial port name for connection,none for offline
                             串口识别字串
     -s SERIALTYPE, --serialtype SERIALTYPE
                             type name from 'RS485','RS422','RS232','TTL'(default)
                             串口类型

    运行实例:

     python3 testSerial.py -p com5 -s TTL

    注意:程序运行时的提示及帮助均为英文以提高通用性

  2. 输入

    运行后,控制台会显示online/offline状态 然后会出现命令提示: 'Command(Enter for last):'

    输入发送的命令代码后,会出现期待回复的命令提示: 'Expected Respond:'

    输入时按照下列规则:

    Command line:

     输入准备通过串口发送的命令.
         离线模式下仅仅显示电位时序波型
         直接按'Enter'则发送上一次的命令

    Respond line:

     输入期待的回复数据(要包含结尾字符如\n(0x0a/10))
     离线模式下不会出现此命令行
    
     输入实例:
         (16进制)
             Command(Enter for last):0x680x740x68
             Command(Enter for last):0x687468
             Command(Enter for last):0x68 74   68,68
         (10进制)
             Command(Enter for last):104,116  104
     输出显示类似于:
         Command(Enter for last):0xaabb
         Will be send: 170 187
         Timing Volts: __-_-_-_--|_--_---_--|
         注意:无论输入的是16进制还是10进制,程序会自动统一转换成10进制进行显示
         '-'代表高电位
         '_'代表低电位
         '|'代表字符间的分隔(仅提示作用,实际波形中没有,可通过配制进行关闭)
         这三个符号都可以在配置文件中更改为其它符号,分隔符可以通过''关闭,高低电位不可关闭

    退出:

     在发送命令提示符下输入:quit
  3. 可配置选项

    在退出时,会出现下面提示

    Save the configration to file (yes/no(Enter))?

    输入 'yes' 会将当前的设置保存至'config.json',通过修改这个文件,可以进行更多的配置 byte_size,parity,stop_bits,low_volt_note,high_volt_note,seperator_note ETC.

    注意: 当停止位stop_bit是1.5 时note_times最好设置为2,可以显示地更为精确

     不同的note_times对于电位时序图的影响是:
     note_times = 1   __-______-|
     note_times = 2   ____--____________--|

参与贡献

  1. J.Wang(王建) jwang70s@sina.com GITEE: https://gitee.com/jwang70s

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简介

串口设备通讯校验与时序图绘制。发送(本机)串口指令数据,接收设备(从机)回复,并比对设备回复与期待回复是否相同以验证串口通讯是否有效。同时在控制台输出发送指令数据与期待回复数据的波型,可以用来与示波器显示的波型进行比对。在离线状态可以仅用于显示数据波型。 展开 收起
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