serial port breakout board

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Uboot and kernel modify and print the serial port and ubootkernel serial port

Uboot and kernel modify and print the serial port and ubootkernel serial port Here I use s5pv210, which originally outputs COM2. Now I want to change it to COM0 output, to view the uboot command line information and the kernel startup information, we should make the following changes: 1. Changes to uboot We modify t

Switch the debugging serial port to normal serial port in ARM + linux

Development Board model: friendly micro2440 (with a 7-inch screen -- awesome !) Bootload: Vivi System: Linux (The Development Board comes with 2.6.29) Reference: http://www.100ask.net/showtopic.aspx? Forumid = 2 topicid = 15 go = next Http://www.linuxforum.net/forum/showflat.php? Cat = board = embedded number = 606916 page = view = SB = O = fpart = 1

Configure USB to serial port and serial port tool in Ubuntu

common key combinations. (1) S key: send the file to the target system; (2) W key: automatic screen scrolling. When more than one line is displayed, the next line is automatically wrapped. This function is useful when viewing kernel startup information. (3) C: Clear the display content on the screen; (4) Key B: view the historical display of minicom; (5) Key X: Exit mInicom and a prompt is displayed to confirm exit. $ Okay. After the USB to

Configure USB to serial port and serial port tool in Ubuntu

configured, It is the serial port tool. Kermit is used here. Install Kermit $ Sudo apt-Get install ckermit Configuration Here, the configuration is to manually write a configuration file. kermrc, which is placed in the/home/Jun directory (of course, you are definitely not the Jun directory, that is, the current user's home directory) $ VI. kermrc # The file content is below. Note that this

Steps for downloading a program through the serial port in dm355: DaVinci and serial port

From: http://blog.csdn.net/dongliqiang2006/archive/2009/11/28/4889440.aspx Steps for downloading a program through a serial port in dm355Check whether C:/Windows/Microsoft. NET/framework/v2.0.50727 or a later version is installed on the computer. Install the. NET component before installation. Dm35x_flashandbootutils_201710.tar.gz Decompress the file and rename the file name dm35x_flashandbootutils_000010 t

Ubuntu12.04 use serial port debugging Android implementation (hardware USB to serial port pl2303 + software minicom)

1. Check whether the kernel supports USB to serial port 2. Set minicom 3. link the android Development Board and restart the system. Note: 1, if not normal link, please check the serial first TXD-RX, RXD-TX, GND-GND is correct, link OK, you can see the onlie, instead of offline. See the figure below: 2.

[Arduino tutorial 3] Digital Read Serial-reading Digital signals from the Serial port

Reads digital signals from the serial portThis example shows how to monitor the switch status by establishing a serial port communication between the Arduino and the computer.Hardware requirementsArduino Development BoardAn instantaneous switch, button, or mobile Switch10 k ohm resistanceBreadWireCircuit Image developed using Fritzing. For more circuit examples,

Design of serial communication system between FPGA and GPS-OEM Board

) latitude hemisphere N (northern hemisphere) or S (Southern Hemisphere)(5) longitude dddmm. mmmm (degree) format (the preceding 0 will also be transmitted)(6) longitude hemisphere E (eastern longitude) or W (Western longitude)(7) ground speed (000.0 ~ Section 999.9, the previous 0 will also be transmitted)(8) ground heading (000.0 ~ 359.9 degrees. Based on the reference of zhenbei, the preceding 0 will also be transmitted)(9) UTC date, in ddmmyy format(10) magnetic angle (000.0 ~ 180.0 degrees,

Use (Modify) "Turn" of USB to serial port under Linux

command can enter the Minicom console) so that the configuration is effective, and then connected to the Development Board of the serial line, you can print the correct serial port information in the minicom. The Minicom menu can be accessed under the console by combining keys CTRL + A Z.The use of a key combination i

Ubuntu under minicom and USB to serial port

correct, type Enter to return to the ancestor configuration interface and save it as the default configuration (that is, save Setup as DFL). Finally, select the "Exit from Minicom" command to exit.The specific configuration information is as follows:Serial port Setup [Enter]+-------------------------------------------------------------+| A-serial Device:/dev/ttyusb0 || B-lockfile Location:/var/lock || C-ca

Host computer serial control FPGA Development Board LED

Experimental Purpose:PC software through the serial port control FPGA Development Board on the 4 LED lights off, while the digital tube shows the number of LED lights, experimental results such as.Experimental background:Always want to learn FPGA, this is an introduction, I am reading to learn, so the code of the FPGA is reference to the revision of the book, in

Ubuntu Connection Development Board (serial to USB) putty, SECURECRT, Kermit settings

In the learning of embedded, in the use of Ubuntu to connect the development Board when the software setup problem is plagued by death, multi-find, is not the configuration after 2013, in this, chat with you about the setup of the Development Board, I new study, may write too shallow, readers do not spray.This article only said that the serial

Tiny210 (s5pv210) Port U-boot (based on version 2014.4) -- Port u-boot.bin (print serial console)

function in C performs further initialization, such as the NIC, and then enters the main_loop loop. The relocated U-boot memory layout is as follows: Now execute make all to compile the u-boot.bin and u-boot-spl.bin, but compilation error: In clock. the s5pv210_get_arm-clk of C uses the macro samsung_get_base_clock and the related registers, because our clock code was previously implemented using assembly, so we have the arch-s5pc1xx in arch/ARM/include/ASM/clock. h to define these registers:

Research and Implementation of VxWorks serial port driver

Summary: Taking the serial port driver of the b0x Chip Based on the ARM7TDMI kernel as an example, this paper analyzes the hierarchy and mechanism of the VxWorks serial port driver, and studies the working principle of the TTY driver and the underlying SCC driver. Combined with the

Enable Serial Output debugging on the friendly 2440 Development Board

Enable Serial Output debugging on the friendly 2440 Development Board Favorites 2440 Development Board, WINCE6.0 system. When the system was started, it was found that the serial port tool did not output any information. Google, it turned out to be friendly and blocked.So

Linux under Minicom and USB to serial port

to exit.The specific configuration information is as follows:Serial port Setup [Enter]+-------------------------------------------------------------+| A-serial Device:/dev/ttyusb0 || B-lockfile Location:/var/lock || C-callin Program: || D-callout Program-: || e-bps/par/bits:115200 8N1 || F-hardware Flow Control:no || G-software Flow Control:no || || Change which setting? |+---------------------------------

s3c2440 UART Serial Port driver

/(115200 * 16))-1 = 6Its error tolerance rate:TUPCLK = 7 * * 10/12m = 0.0000933Tuexact = 10/115200 = 0.0000868UART Error = | 0.0000933-0.0000868 | /0.0000868 = 7.5%The error tolerance rate is greater than 1.86%, so at 12MHz frequency, the baud rate cannot be set to 115200, now the baud rate is set to 56700bps, using 8N1 data frame format communication, then: UBRDIVN = (int) (12M/(57600 * 16))-1 = 12TUPCLK = * * 10/12m = 0.000173Tuexact = 10/57600 = 0.0001736UART Error = | 0.000173-0. 0001736 |

Use of USB to serial port in Ubuntu

" command to exit. The specific configuration information is as follows:Serial Port setup[Enter]+ ------------------------------------------------------------- +|A-serial device:/dev/ttyusb0 || B-Lockfile location:/var/lock || C-Callin program: || D-calloutProgram-: || E-Bps/PAR/bits: 115200 8n1 || F-hardwareFlow Control: No || G-software flowControl: No |||| Change which setting?|+ ------------------------

How to enable VMware serial port

Previously, when I was playing gec2410, I had the idea that I was debugging it in Linux. Because the target board is powered or the serial port sent to the PC during the reset, this was already implemented in windows, so I wanted to see the results in Linux, but after setting up a serial

Differences between serial port comport TTL RS-232 RS-485

-pin serial port, Common on the circuit board, often with DuPont pins on top. There is also the fifth needle, 3.3v power supply end. Because it is reserved on the circuit board, there are many protocols, depending on the specific device. Below is D-type 9-pin serial

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