can t open serial com port

Original address: http://www.cnblogs.com/feisky/archive/2009/10/23/1588771.html Linux operating system from the beginning of the serial port provides a good support, this article on Linux under the serial port communication programming

An embedded system usually needs to carry out Full-duplex communication with its main control system, for example, a pipelined control system needs to continuously accept the query and control information sent from the master control system, and

The virtual serial port software introduced here is vspm (: http://www.dbank.com/download.action? T = 40 & K = mtq1mde2njk = & pcode = lcw2ndc2mjksnjq3nji5 & RND = 2527).Vspm virtual serial port software can TCP/IP Connect to the VM Com Through

After returning more than 1000 posts and judging nearly papers, I took a long breath. Recently, the serial port solution has finally been finalized, and it will soon end. Otherwise, it will take a lot of time and delay is the devil. I found a code

This class library mainly includes: serialbean. java (interface with other applications), serialbuffer. java (used to save the buffer for data received from the serial port), readserial. java (the program that reads data from the serial port ). In

Transplantation of Linux-2.6.32.2 Kernel on mini2440 (18th) --- converting uart2 into a common serial port driver Port Environment (Bold font in redIs the modified content,Blue bold ChineseFor special attention) 1. host environment: centos 5.5 and 1

There are two ports that can be controlled for serial blocking (simultaneous control of Read and write): One is the opening of the serial port, whether the open function with O_ndelay, the second one can be opened after the serial port through the

Use the Ubuntu serial port tool minicom and install the dnw image (mainly for the Android210 Development Board ). I. Minicom also has serial communication tools in Ubuntu, such as Minicom and kermit. The usage of Minicom is described here. (1)

windows open serial port, read and write serial port, automatic identification serial port This serial port reads and writes asynchronously, namely the non-blocking mode reads and writes the serial port Serial name such as: "COM3", "COM4", "COM22"

[Tutorial on industrial serial port and network software communication platform (SuperIO)] 4. Develop device drivers and network software superioSuperIO-related information download: http://pan.baidu.com/s/1pJ7lZWf1.1 Development Preparation Copy