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从编程实践的角度详细介绍windows环境下和dos环境下的串口通信的基本方法...
从编程实践的角度详细介绍windows环境下和dos环境下的串口通信的基本方法- In detail introduces under under the windows environment and
the dos environment string mouth correspondence essential method from
the programming practice angle
- 2022-01-22 14:29:35下载
- 积分:1
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从串口读取数据,有两种方法,1、每接收一个EV_RXCHAR,就用ReadFile读一次,这样我觉得太恐怖了。2、接收到一个EV_RXCHAR后,等一定数据量的...
从串口读取数据,有两种方法,1、每接收一个EV_RXCHAR,就用ReadFile读一次,这样我觉得太恐怖了。2、接收到一个EV_RXCHAR后,等一定数据量的CPU周期(GetTickCount),再一次性读取缓冲区里的数据。这样做,一般情况下不会有问题,但是,如果数据很多,过了“一定数据量的CPU周期”,还没收完数据怎么办?就会少读数据了。 我用三个线程序来完成串口数据的接收,其实就是第一种方法的变种: 一个侦听EV_RXCHAR,一个对EV_RXCHAR进行分析,其实就是超时判断。如果接收到一个消息后,一段时间没收到下一个EV_RXCHAR,就认为是一个数据包的结束。这个线程就会通知数据接收线程,进行数据接收。一般同一包数据,两个字符之间的时间间隔,应该很小了吧,而两个数据包之间的间隔,应该不会太小吧!(这个地方我不清楚,猜的:( :) )最后一个线程,是接收数据的。-read data from the serial port, there are two methods, one, each receiving a EV_RXCHAR, on the ReadFile read, I think this vote. 2, received a EV_RXCHAR after a certain volume of data, such as CPU cycles (GetTickCount), and the one-time reader, the data buffer. To do so, under normal circumstances there is no problem, but if many of the data, and after a "certain amount of data the CPU cycles," also confiscated End Data how do? Few will read the data. I used three lines to complete serial data reception, the first method is a variant : an interception EV_RXCHAR, one pair of EV_RXCHAR analys
- 2023-03-23 09:55:03下载
- 积分:1
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integrity of the asynchronous serial communication procedures
完整的异步串行通信的处理程序-integrity of the asynchronous serial communication procedures
- 2022-03-26 18:36:34下载
- 积分:1
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射频卡的读写程序,C #版,绝对闻所未闻,该卡可以读…
射频卡读写程序,C#版,绝对绝无仅有的,可以读写交通卡,需要读写设备-RF card reader procedures, C# version, absolutely unheard of, the card can read and write traffic, the equipment needed to read and write
- 2022-02-15 16:37:48下载
- 积分:1
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一个外国人写的rs485串口通信程序,有原理图和源代码,全面实现了485协议...
一个外国人写的rs485串口通信程序,有原理图和源代码,全面实现了485协议-a foreigner writing RS485 serial communication procedures, schematic and source code, the full realization of the 485 agreement
- 2023-06-22 19:45:03下载
- 积分:1
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该程序实现了串口之间的相互通信,是异步串口通信,串口编成程序...
该程序实现了串口之间的相互通信,是异步串口通信,串口编成程序-Implementation of the procedures between the serial communications, serial communication is asynchronous, the classic experimental procedures for computer networks
- 2022-01-31 15:18:27下载
- 积分:1
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常用短消息SMS指令一览表及其用法详尽说明,简单易懂。
常用短消息SMS指令一览表及其用法详尽说明,简单易懂。-SMS Short Message commonly used commands and their usage in detail a list of shows that simple.
- 2022-03-04 10:38:44下载
- 积分:1
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自己写得串口多线程控制程序,里面的超时设置和书上说得不是很一样,大家参考吧...
自己写得串口多线程控制程序,里面的超时设置和书上说得不是很一样,大家参考吧-their written control procedures for multi-threaded, overtime set up inside the book and put it is not very like, we make reference to it
- 2022-06-18 04:39:41下载
- 积分:1
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我用VC编的一个小小的串口应用程序,里面用到了一个库CComm。挺简单的。...
我用VC编的一个小小的串口应用程序,里面用到了一个库CComm。挺简单的。-I VC series a tiny serial applications, they use a library CComm. Very simple.
- 2022-04-20 16:59:47下载
- 积分:1
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在VB下对串口COMM控件编程和发机制进行了详细地设计,同时可以为串口调试用,不失为一个好工具。习惯于VB编程的朋友可以CC一下了。...
在VB下对串口COMM控件编程和发机制进行了详细地设计,同时可以为串口调试用,不失为一个好工具。习惯于VB编程的朋友可以CC一下了。-in VB Serial COMM under the control programming and the mechanisms to perform detailed design, while it used to debug serial port, is a good tool. Accustomed VB CC friends out.
- 2023-07-06 22:00:04下载
- 积分:1