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Communication control MSComm usage

The MSComm control transmits and receives data through the serial port for the Application Program Provides the serial communication function. MSComm controls are very convenient for serial programming. programmers do not have to spend time learning more complex API functions. , VB, Delphi, and other languages. Microsoft Communications Control (MSComm) is an ActiveX control provided by Microsoft to simplify serial communication programming in windows. It provides an easy way for applications to

PB serial programming materials

example, the serial Receive Buffer contains characters, or the carrier detect (CD) or request to send (RTS) when a character arrives online or a change occurs. In these cases, you can use the oncomm event of the MSComm control to capture and process these communication events. The oncomm event can also check and handle communication errors. For a list of all communication events and communication errors, see commevent attributes. In the programming p

In-depth introduction to serial programming of DOS using VC ++

interrupts-Port1 */Oldport1isr = getvect (INTVECT);/* Save old Interrupt Vector of laterRecovery */Setvect (INTVECT, PORT1INT);/* Set Interrupt Vector Entry *//* COM1-0x0C *//* COM2-0x0B *//* COM3-0x0C *//* COM4-0x0B *//* PORT 1-Communication Settings */Outportb (PORT1 + 3, 0x80);/* set dlab on */Outportb (PORT1 + 0, 0x0C);/* Set Baud rate-Divisor Latch Low Byte *//* Default 0 x 03= 38,400 BPS *//* 0x01 = 115,200 BPS *//* 0x02 = 57,600 BPS *//* 0x06 = 19,200 BPS *//* 0x0C = 9,600 BPS *//* 0x18

Boot loader startup sequence

used as the system console, hardware flow control is disabled. On all of the boards which have USB, the ffuart cts and RTS signals are currently used as part of the USB hardware. the RTS is used to tell the host that it's ready (cable plugged in), and the CTS is used to detect cable insertion. Ffuart gpio configuration: Echo "AF1 in">/proc/gpio/GPIO34Echo "AF2 out">/proc/gpio/GPIO39Refer to http://docwiki.

Deep Analysis of Starcraft 2

useless without a good explanation. The most obvious example is Starcraft 1 and Warcraft 3. Although Starcraft 1 has a good plot, however, it is not expressive enough because it mainly uses the text and sound methods, while Warcraft 3 is added to the real-time generated CG and role development mechanisms, with the help of the user's understanding and investment in the story, the RTS game can finally compete with the RPG Game, and make the player feel

Common Communication Ports

RS-232C specification standard interface has 25 lines (4 lines, 11 control lines, 3 timing lines, 7 spare and undefined lines), commonly used only 9:RTS/CTS request sending/clearing sending Flow ControlRxd/txd data transmission and receivingDSR/DTR data terminal ready/data set ready Flow ControlDCD Data Carrier DetectionRinging-ri ring indicatorSG signal locationThe specific definition is as follows:RTS is used to indicate that DTE requests DCE to sen

Introduction to Real-Time Java

, which is also written into the j2se and J2EE license protocols, these protocols clearly declare that Java cannot be used in nuclear power plant facility software and defense systems. Real-Time Java Developing real-time applications requires a set of PI and semantics that allows developers to correctly control program running time and program behavior in reality. Therefore, the real-time Java version must provide some JVM enhancements and a set of Apis suitable for real-time programs. It is n

Bt3 cracking tutorial (USB) cracking wireless route Password

"bootinst. Bat" batch file. There will be four more files in the USB flash drive. "isolinux. Boot" "isolinux. cfg" "isolinux. bin" "syslinux. cfg" 2. restart Windows to enter BIOS settings, set the frist boot device in BIOS to USB-HDD (or USB--ZIP) and then restart from USB boot. The system enters the backtrack3 system. 3. Start cracking now 1. Enter the ifconfig command in the shell window and the following information is displayed:Lo no wireless extensions.Eth0 no wireless extensions. Eth1 I

Master-slave replication protocol analysis of Tokyo tyrant (ttserver)

the server (master) After the slave connection is successful, the Server Load balancer sends it to the master.+ -------------------------------------- +| 0xc8 | 0xa0 | slave RTS | slave Sid || 1 byte | 1 byte | 8 bytes | 4 bytes |+ -------------------------------------- + After receiving the message, the master wants the client to send the message:+ --------- +| Mid || 4 bytes |+ --------- + After the Server Load balancer receives the messag

Tokyotyrant management tool tcrmgr Use note

-UAS parameter to asynchronously write logs)Tcrmgr sync-port 20000 192.168.0.100 10. Data ImportNote: files in TSV format are separated by tab, for example, Test2 \ tvalue2 \ n.Note: The path is a local path, so it does not need to be an absolute path.Tcrmgr importtsv-port 20000 192.168.0.100 temp/2.tsv 11. Restore data through ulog logsNote: The path is the absolute path on the server.Tcrmgr restore-port 20000 192.168.0.100 $ (PWD)/old_ulog/ 12. Print the Update log (pending, always displ

Serial Communication SMS GPRS

method. Figure 4 shows the flowchart of image file transmission on the GPRS client using the data subcontracting method. In this method, the image file is first packaged into several small data packets and written to the serial port one by one, which is sent by the GPRS module. The monitoring center server receives a packet and then returns the response frame. The GPRS module then sends the next packet. If the response frame is not returned after the timeout, resend the previous packet. This

SVN usage notes for the first time

downloaded, and some permissions may need to be activated for upload, you should first download the code. 1. Download and install tortoisesvn. You won't see any executable programs, because tortoisesvn is embedded in windows. 2. Create an empty folder and right-click it to view the tortoisesvn menu and SVN checkout above. 3. Don't worry about this checkout. We will select export... under the tortoisesvn menu, and then it will let you enter the URL. 4. For example, enter the svn address of [m

Ubuntu Network Address Configuration Summary

Essid: "Linksys" Mode: Master Frequency: 2.437 GHz (Channel 6) Quality = 3/70 signal level =-92 dBm noise level =-95 dBm Encryption key: On Bit Rates: 1 Mb/s, 2 Mb/s, 5.5 Mb/s, 11 Mb/s, and 6 MB/S 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 MB/S 48 Mb/s; 54 MB/S Extra: bcn_int = 100. IE: WPA version 1 Group cipher: CCMP Pairwise ciphers (1): CCMP Authentication suites (1): PSK I have three Wireless AP nearby, Essid marked the name of the Wireless AP, two of which are called TP-LINK, the other is call

Self-developed longjmp implementation

The Assembly part of this Code uses the Blackfin instruction set. You can download the reference manual from www.analog.com. Setjmp. ASM:. Section program; . Extern _ jmp_buf, _ jmp_index; _ Set_jmp: . Global _ set_jmp; [-- Sp] = R0; [-- Sp] = P0; [-- Sp] = p1; P1.h = Hi (_ jmp_index ); P1.l = Lo (_ jmp_index ); R0 = [P1]; P0 = R0; R0 + = 4; [P1] = R0; P1.l = Lo (_ jmp_buf ); P1.h = Hi (_ jmp_buf ); P0 = P0 + p1; R0 = rets; [P0] = R0; P1 = [Sp ++]; P0 = [Sp ++]; R0 = [Sp

Detailed steps for backtrack3 (bt3) USB to crack WEP wireless network password

*. LZM file to the bt3/modules directory of the USB flash drive to implement the bt3 culture .) 2. restart Windows to enter BIOS settings. Set the frist boot device in the BIOS to a USB-HDD (or a USB--ZIP) and restart the boot from USB. The system enters the backtrack3 system. 3. Start cracking now 1. Enter the ifconfig command in the shell window., The following information is displayed: Lo no wireless extensions. Eth0 no wireless extensions. Eth1 IEEE 802.11g Essid: "" nickname :""

VC ++ notes-serial communication and overlapping I/O

input interrupt is detected. Ev_cts CTS signal changed Ev_dsr DSR signal changed Ev_err Row status Error Ev_ring Ringing signal detected Ev_rlsd RlSD (CD) signal changes Ev_rxchar The input buffer receives new characters Ev_rxflag Input the buffer to receive event characters

UE4 casual second first impression

, this part of work should be mainly about art and planning. The program should be familiar with it, especially if you have not been familiar with illusory colleagues, this helps you quickly understand the entire illusory workflow.Basically, except for some changes in the blueprint (enhanced version of KISMET in Unreal 3) and terrain, the other content does not change much relative to the UDK, so gamers in Unreal 3 should be able to get started quickly.Other examples are mostly mobile game examp

Summary of serial Learning (1)

number of bytes in the sending buffer, or clear the sending buffer.INPUT attribute: reads data from the receiving buffer.Output attribute: write data to the sending buffer, or return the current data in the sending buffer.Portopen attribute: used to enable or disable the serial port or return the on/off status of the serial port.Eofenable attribute: determines whether the MSComm control looks for the EOF character during the input process. If the EOF character is found, the input is stopped and

[Reposted from csdn] frame lock synchronization algorithm

The original post address is http://blog.csdn.net/skywind/article/details/6179506. The original author skywind expressed his gratitude to the original author for a very good article. --------------------------------- The online game synchronization algorithm is widely used in RTS games, xbox360 arcade games, and simulator battle platforms. Http://blog.csdn.net/skywind Algorithm Concept This algorithm generally requires that the network speed RTT shoul

Use Nsight to find the rendering bug of S3.

::s_ptexZTarget,m_DepthBufferOrigMSAA,false,-1,true); FX_PushRenderTarget(1,CTexture::s_ptexSceneNormalsMap, NULL);}Here, fx_pushrendertarget does not immediately call the d3d API to set the rendertarget. Instead, it stores the information in the RT stack and sets the rendertarget in a unified manner when commit is used,If a Condition Statement succeedsZtarget is set to rt0But from However, according to the debug code in runtime, this part of pointer passing is okay. There is no problem wit

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