The project needs to use a serial thermal printer, so study the serial printing.Using system;using system.linq;using system.collections.generic;using system.text;using System.IO.Ports;using System.collections;using system.windows.forms;using system.drawing;namespace printertest{public class Printer { private static SerialPort SerialPort; Serial
Record the experiences of debugging serial port device bugs and debugging serial port bugs
It took almost one day to get a Bug. The Bug is as follows:
This Bug is especially unique. It is reported every time the end user uses the software without any prompt on the development computer. I carefully thought about the newly added features in the source code and did not find any obvious problems. Therefore, t
1) view the serial number in the iPad Air 2 boxThe serial number is displayed on the back of the new iPad Air 2 package, as shown in the following figure.2) in iPad Air 2Click "settings"> "general"> "about local computer" on the desktop, and then you can see the serial number of air2 on the ipad, as shown in the following figure (the
#include /* For UART0 serial port configuration, and Operation function Description *//* First, UART0 initialization */ voidUart0_idev_init (void) {P3sel |= BIT4 + BIT5;//1. Select P3.4 and P3.5 to do UART0 communication portME1 |= UTXE0 + URXE0;//2. Enable USART0 to be sent and acceptedUCTL0 |= CHAR;//3. Select 8-bit charactersUTCTL0 |= SSEL0;//4. Select Clock Source, Aclk:ssel0 //Smclk:ssel1UBR00 =0x03;//5. Baud Ra
PHP sends text messages through the serial port, and php sends text messages through the serial port. PHP sends text messages through the serial port. php sends text messages through the serial port as technology advances. in the text message sending and receiving field, there are three modes in sequence: BLOCKMODE, TE
Some common serial port properties of the Setup method.
Set flow control
Termios_new.c_cflag = ~crtscts; Do not use flow control
Termios_new.c_cflag |= crtscts; Using hardware flow control
Termios_new.c_iflag |= ixon| Ixoff| Ixany; Using Software flow control
Masked character size bit
Termios_new.c_cflag = ~csize;
Set data bit size
Termios_new.c_cflag |= CS8; Using 8-bit data bits
Termios_
Use of serial port debugging Genie and serial port program debugging skills
Time: 19:04:49 | [
51 single-chip microcomputer has a full-duplex serial communication port. Therefore, the single-chip microcomputer and the computer can communicate with each other conveniently. For
One step: Plug the serial line or USB to the serial cable into the computer.Step two: Open the serial debugging assistantThen select the serial port, serial line and USB to port port number to view the path:On the computer--right--Properties--hardware--Device Manager-ports (
Windows is the host machine, and Linux is installed in the vmwarevm. You can also write a program in Linux to send messages to the serial port. The same principle is to use the virtual serial port software vspm to connect com3 to com4 and then capture it through the serial port debugger. The following is a C sample code for the
# Include
# Include "timer. H "# include" LED. H "// mini stm32 Development Board // universal timer driver code // punctual atom @ alientek // 2010/6/1 u8 num; // timer 3 interrupt service program // 2 ms interrupt 1 void tim3_irqhandler (void) {If (tim3-> Sr 0x0001) // overflow interrupt {num = num + 1;} tim3-> Sr = ~ (1
# Include "sys. H "# include" usart. H "// stm32 serial port sampling and meter stepper motor control program code //
ArticleDirectory
Method -:
Method 2:
Use Windows APIs
MSComm control used in MFC
Use USB to serial drive cypress_m8.ko (kernel> = 2.6)
Use hiddev
Introduction: USB 2com is a virtual serial port driver of USB to serial port converter.
Program (Windows2000/XP), USB-HID-> com converter (not tested) for the proxyess, and compatible device
Obtain the hardware information of the machine (cpu id serial number, motherboard information, hard disk serial number, and system information:
41 keywords: hardware CPU motherboard hard drive font: [large, medium, small]
In many cases, you may need to obtain the hardware information of the microcomputer. For example, you want to lock your software and prevent others from accessing it at will.
The most eff
Summary of Serial Communication Knowledge in mobile development and summary of Serial Communication Knowledge
Summary of mobile development Serial Communication Knowledge the original APP only displays append in the text box when it receives serial data. There are no other functions. Very helpless, many things need t
For details about how to identify the extended serial port-Linux general technology-Linux technology and application information when installing centos on a multi-serial motherboard, refer to the following section. I bought a multi-serial control board with Intel Atom D525 CPU. It is estimated that multiple serial port
C # Serial Communication-send data to the serial port and receive the returned data synchronously,
Recently, I wrote a C # serial communication program. The system is based on B/S architecture. The SerialPort class has a DataReceived event, which is used to receive data returned by the serial port. However, this method
A few days ago, the company has the use of the Android system through the Development Board to the needs of the clock machine statistics, for the siege lion needs to read and write the serial number of the clock machine on the Android platform, search for something on the internet after the discovery of Android serial on Google code Port API can be used, after the wall to get the source code discovery and d
Windows Driver-Virtual Machine virtual serial port dual-machine debugging, serial port dual-Machine
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Android serial port (android serial port api) and androidserial
A few days ago, the company needed to use the logging machine statistics using the Development Board equipped with the Android system. For siege lions, they needed to read and write the serial port of the logging machine on the Android platform, after searching for something on the internet, I found
Linux Serial Programming Tutorial (iii)--serial port programming detailed
Preface: This chapter will formally explain the serial port programming technology, uses a serial port to send and receive the data the procedure, comes step-by-step explanation.
Note: You can download my source code for reference. Open
Learn VC serial port programming, understand the standard of serial protocol is necessary, in fact, the serial port relative to other interfaces (such as USB interface) is very simple.
RS232 Serial port Standard is the United States EIA (Electronic Industry Federation) and Bell and other companies developed a communica
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