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In the. NET Framework2. 0 provides the SerialPort class, which mainly realizes serial port data communication and so on. This article will I in the learning process from the network collected from the relevant information to write for your reference. The main properties of the Class (table 1) and methods (table) are described below.2). If you need more informatio
Introduction
In this article, I will give you an introduction on How to Do serial port communication on. NET platform using C #. the. net Framework Version 2.0 (Beta) provides features for serial communication. the Framework providesSystem.IO.PortsNamespace. the new framewor
Flash (0x0 ~ 0 xfff), which can be used for loading applications and for "application programming" (IAP) of user programs, that is, remote firmware upgrade, it can be configured through bl_config.h as a remote upgrade communication mode through serial port, IIC, SSI, Ethernet and USB. In the ser2enet folder, the main code for
The physical connection is as follows. Each serial port is attached to multiple collectors.
Communication Protocol:
Baotou (1B) + address code (1B) + command word (1B) + Data Length (1B) + Verification Code 1 (1B) + Data body (NB) + Verification Code 2 (1B ).
Here, verification code 1 verifies the address code, command word, data length, and Verificat
, connect the vswitch with the computer and start the computer. Windows 98/Me/2000 provides the "Super Terminal" service. If not, you can add it in the "communication" group in "Add/delete programs. You can also use other terminal simulation programs that comply with the VTY100 terminal standards.
When you run the "Super Terminal" for the first time, the system uses a Modem to connect to the system. You are required to enter the connected area code an
Serial Communication and overlapping I/O
Windows 32 extends the file concept. Whether it is a file, communication device, named pipe, mail slot, disk, or console, it is opened or created using the createfile () API function. The declaration of this function is:Handle createfile (Lptstr lpfilename, // file nameDWORD dwdesiredaccess, // Access ModeDWORD dw
The PC uses the Ubuntu system and connects to the Router Development Board with a USB to serial cable.First confirm the Ubuntu support for USB to serial port device.1, # lsmod | grep usbserialIf there is usbserial, the system supports USB to serial port.
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In general, we have four ways to implement serial communication in C #:
First: Through the MSComm control this is the simplest and most convenient method. It is difficult to control the function, and the control is not the system itself, so it has to be registered, not in the scope of this article. Can visit http://www.devhood.com/tutorials/tutorial_details.aspx?tutorial_id=320, a foreign Netizen's writing
cache for serial port
Int sp_read_count = 0; // serial port data, read Byte Count
Bit sp_read_flag = 0; // serial port reading flag
Uint8 buf_byte; // serial data cache
Downloa
Since the first HELLO program has been completed, it indicates that the entire compilation environment is no longer correct. Now, let's prepare a serial port testing program. As the serial port driver development board has been completed, let's take a look at a simple Linux serial
In this article, I'll use three asynchronous Conferencing--select, poll and Epoll on serial port to transmit data betwee n PC and Raspberry Pi.
Outline
Character device file of serial port
Naive Serial Communication
The hand has a CCD Camera (Barcode reader/scanner Module), it is through RS232 communication, with the RS232 to the USB adapter to connect the Raspberry Pi, you can complete the hardware connection. For serial communication, it can be realized by pyserial.First, install Pyserial:Download the latest version of the installation package from Https://pypi.python.org/
8051 principles of asynchronous serial port sending and receiving
8051 principles of asynchronous serial port sending and receiving
From: Liu Jianwen | academic half-It Ge-Wen
Author: Liu Jianwen
Keywords: 8051Digital ElectronicsData Communication
Pe
19.16.1.3), and then click "OK, the settings created on this PC end are complete.
1.3Create "my connections" for wince5.0 Devices"
Create "my connections ":
Figure 16
Select "Direct Connection" and then "Next ":
Figure 17
Select OK and click OK. Double-click "my connections" and dial. After successful dialing, the following information is displayed:
Figure 18
At this time, it indicates that the wince device and PC have been successfully dialing through the
CSHARP Multi-serial communicationAs the name implies, multiple serial communication, ordinary PC generally only a serial port, and now a lot of home PCs do not have a serial port, then
in the "communication" group in "Add/delete programs. You can also use other terminal simulation programs that comply with the VTY100 terminal standards.
When you run the "Super Terminal" for the first time, the system uses a Modem to connect to the system. You are required to enter the connected area code and enter either of them. If the Modem is not installed on your computer, the system will prompt "must install the Modem before connection. Do you
communication agreement. It is suitable for the data transmission rate ranging from 0 ~ Communication within the range of 20000b/s. This standard clearly defines problems related to the serial communication interface, such as signal line functions and electrical properties. Because the manufacturers of devices are pro
logic 0 and logic 1. Transmission using differential signal, so its interference suppression is good, and because of its low impedance, no grounding problem, so the transmission distance of up to 1200 meters, transmission rate of up to 1Mbps. 9.SBUF: When sending data i = SBUF, when receiving data SBUF = I;i Send or receive the saved value.two. Serial Communication Advanced1.51
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