Questions tagged [serial]
Serial stands for doing things sequentially, one bit at a time.
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How do I enable serial access to a computer (not from a computer)?
I have a Linux server (on Desktop hw) running Ubuntu Server (headless). Its tucked away and hard to access, once a year an update or something else create a problem where I can no longer ssh into it. ...
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Trying to make PicsimLab communicate with com0com?
I want to use com0com with PicsimLab to write serial in a PIC18F452. I have downloaded com0com and configured it just like this:https://lcgamboa.github.io/picsimlab_docs/0.8.9/...
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Can I get raw access to the PS/2 port in Linux?
Context: I have an exotic keyboard with a screen on it. I believe that the host machine draws on the screen by sending commands down a PS/2 connection (I'm still reverse engineering the protocol).
My ...
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TCP to virtual serial port with socat
I have a program (program 1) that has a TCP server listening on port 1234. I have confirmed that the server accepts connections and sends data with a utility str2str.
Program 2, on the same machine, ...
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Is it it possible to send an A/V receiver commands via a USB cable to a 3.5mm jack on the receiver? [closed]
I have a Linux computer (Ubuntu 20.04.5) and a Harman Kardon AVR51 A/V receiver which has a 3.5mm input jack for IR remote control.
My question is, if it is possible to send some kind of command from ...
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Putty setting for different colors of text transmitted and received
I'm using Putty as a terminal emulator to control some equipment. The protocol is to send a command and receive a reply, each terminated by a CR/LF. The format of the command and reply are nearly ...
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Send data from barcode reader via usb cable to another computer
I am trying to catch data from a barcode reader (Xenon 1900) [bcr] on laptop1 and have it transmitted to another laptop2 using usb as a serial, but the port is always connected.
Device Manager with ...
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I am having a issue pressing a key in Putty connected to a serial interface
I am using a serial interface board to connect to the serial interface of my router. I have it working great (N81, no flow control) with the exception of being able to send a keystroke.
Have tried on ...
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How could I connect 2 computer via USB-Serial adapter (2x FT232)
First time asking a question (if I'm not at the right place, feel free to point me to the right place) :)
I want to access PC2 with PC1 via two FT232 adapter.
Example:
I already tried to pass the ...
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FT232RL serial USB converter not shown in lsusb
I'm trying to use olap with a USB DMX Interface. It works on my test system, however, on the production system the USB converter is not shown in lsusb, and also Open Lighting Architecture doesn't ...
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Linux network by serial port
I need help to configure a serial port (/dev/ttyS1 or /dev/ttyUSB0 is the same) to communicate vs other hosts via IP (without modem). Some years ago it was possible ma I don't remember how.
Anyone ...
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Unable to install driver for serial/parallel port card on Suse Leap 15.2 with Kernel 5.3.18-lp152.84-default
I have an IOCREST SI-PEX50103 which is a PCI-Express Multi I/O Controller Card with 2 serial ports and 1 parallel port. It uses the vendor supplied AX99100 driver. I am running openSUSE Leap 15.2 with ...
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Why some USB Serial converters work and others don't on specific hardware?
I went online and brought a pack of the cheapest USB to Serial adaptor, put TX on RX and RX on TX and was able to communicate between the 2 ports without any issue.
So I plug the thing in a device ...
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Wrong characters in serial console
I have a Linksys SRW2048 that I want to configure via the serial port. I hooked it up with an RS232 / USB cable and a gender changer on the RS232 end. If I start a PuTTy session (same Problem in other ...
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create bitmap image from data being sent to a printer
I have a device that sends its screen capture to serial and parallel printers. I received raw data from serial port being sent to printer. I want to connect this port to my PC instead of a printer ...
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Serial to HID keyboard device converter
I am working on a project to collect data from a barcode scanner using an arduino which in turn is connected to a POS/laptop. So far i am able to collect the data from the barcode scanner by using the ...
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Exceeding the 256 serial COM PORT limit? [duplicate]
Can I use more than 256 COM PORTS on a single host?
From this answer, it looks like it's a software/OS limit only: How many serial ports can be configured in Windows 7?
I'm unable to figure out how to ...
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TCP server device for USB access readers
I have a BarCode reader that spits out data over a Virtual COM port (RS232 Serial) through a USB cable. I have a server running and managing a facility, and I need to read data coming off the BarCode ...
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Why is my USB serial device communication garbled when using minicom and how do I fix it?
I have a Aoetec Z-Stick Zwave device I am playing around with. I am trying to communicate with it using minicom and I have never tried something like this before. I asked about baud rate in a discord ...
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Any way to access a serial console port using a serial-to-ethernet cable connected to an ethernet-to-USB adapter?
We have a device that has a male serial port on it to access its console. We don't have a USB-to-female serial cable. I'm trying to see if I can quickly get access to the console, without having to ...
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Serial Port Issue
I am a new linux user, I have a workstation connected to a testing device through serial port (ttyS0) then suddenly it stopped working.
I connected USB-Serial adapter to check the software also was ...
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Send ESC (ASCII 27) to sensor using putty
I am working on the Young anemometer 81000, datasheet: http://www.youngusa.com/Manuals/81000-90(I).pdf.
Section 4.0 COMMAND MENU tells me I should send the ESC character (ASCII 27) 3 times in quick ...
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Deterministic serial communication using UART
We are trying to receive sensitive data each 10 msec (100 bytes) via UART communication between Raspberry Pi 4 (runs ubuntu mate) and another embedded board that uses pic18. The UART is set as follows:...
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What does serial really mean? Isn't USB3/SATA actually parallel? [duplicate]
As far as I understand. Serial means data is being sent one by one instead of parallel where multiple bits of data are streamed simultanously.
Howewer connections like SATA and USB 3 actually have ...
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Minicom and screen in background
I would like to log serial port output in background.
I use screen command for minicom to make sure minicom running on the background when I disconnect my ssh session. This actually works fine, but ...
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PUTTY -m ,but waiting for terminal to iddle
from an ubuntu VM I try to putty to a reaspberry by through uart pins and an FTDI dongle
I want to automate the upload of a text file
I use :
sudo putty -serial /dev/ttyUSB0 -sercfg 115200,8,n,1,N -m ...
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Send ctrl-alt-del over minicom
Is there a way to send key combos (namely a sysrq) over minicom? I'm looking to issue ctrl-alt-del to a box of mine so I can shut it down gracefully. Does this exist?
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Arduino Nano Serial Port error on Mac OSX Catalina 1.15.4
I have just recently bought my first Arduino board. Unfortunately when I went to upload my first sketch i got an error message saying that no serial port could be detected.
Under Tools>Ports I can ...
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/dev/ttyACM0 lost after sleep - How to redetect / restart / rescan for ttyACM0?
I have a Ubuntu 16.04 based VM which runs inside VirtualBox on Windows 10. On my Host, I've connected a ZWave USB antenna, which I've then mapped/attached to the VM. When I first boot my VM, I can ...
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How do I change my Interfaces to up instead of down status?
What command do I use to change a S0/0/0 interface with PPP Encapsulation from a line protocol of down to up? I have already applied a no shutdown command.
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How Serial Port Loop Back Test work internally/underneath?
When doing a Serial Loopback Test on a USB Port (assume COM1) using Hyperterminal, you can verify that the test passed if what you type on the keyboard is displayed on the Terminal (although it's not ...
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Are the communication protocols too different between USB and Ethernet?
I have a PA system that has 60 devices of which 57 are indoor wireless modules. They need a USB-a to b cable to program, and according to the manufacturer there is no way to program it over wireless. ...
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How to format Excel cells to show only a certain part of the code my scanner scans from certain objects?
For ex:
When I scan an qr code it shows:
Column A1
vbmsavchjas asdhgaskhdgaskhdg_INX7642854858625
but I am only interest in the last characters:
Column B1
INX7642854858625
I can use afterwards in ...
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Weighing Scales connected by RS232 to USB keeps disconnecting
i have some weighing scales with a serial port (RS232) and are connected to Windows 10 PC with a Serial to USB Cable.
The scales are detected (COM3) and drivers are installed correctly, and im able ...
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Serial console echoes back input
Modified /etc/default/grub as below and successfully setup serial console on Ubuntu 18.04 (Bionic)
GRUB_CMDLINE_LINUX="console=tty1 console=ttyS0,115200"
GRUB_TERMINAL="console serial&...
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How to determine motherboard serial number
I determined that my motherboard is broken. Since I cannot turn on my laptop, how can I see which model of motherboard I have and what its serial number is? I need to buy new one.
My laptop is a Dell ...
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no login when making a direct connection (USB-serial-USB) between Linux hosts
My goal is to use an FTDI null modem cable (FTDI-nmc) with integrated USB-serial converter on both ends as a simple and convenient method to occasionally log-in to various headless devices such as ...
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Use USB Barcode Scanner as Serial Device
I have an USB barcode scanner that is recognized as Keyboard. I have to read the scanned barcodes in background using Java but it seems to be no way to read directly from an USB port (and I do not ...
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ESP8266 Serial USB adapter doesn't work on Ubuntu
So I need to program a little ESP8266 microcontroller with the Arduino IDE. But the board which is connected with a Serial-to-USB Adapter won't get detected by my Ubuntu system.
The adapter: https://...
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Unable to connect a TTL to USB converter to a phone
I have been unable to connect the USB side of a TTL-to-USB converter to a phone by using a Female-Female USB A adapter and a normal mobile phone cable (which can handle data).
This is the converter ...
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How to represent a Carriage return (\r, ^M) as part of text over serial
I am trying to send a message including carriage returns (represented without pressing enter) over a serial connection. It works if i press enter with an open serial connection, but I have not found ...
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How to send Serial data to a UDP switch?
I have a data string I am receiving via a serial port to my computer. I would like to be able to send this data back out over UDP or TCP to a switch to be received by a remote sensor.
Networking is ...
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Link serial /dev/ttyUSB0 to /dev/ttyS0
I have a program that communicates with an Arduino through the serial port but somehow the Arduino is showing up in the computer as /dev/ttyUSB0 and not /dev/ttyS0, which is what the program is ...
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Serial console buffer
when i connect to my board through serial console, launch my app which log some events with printf() and close serial console, my app can receive request and send response during a small time and then ...
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Arduino Uno not showing up in tty devices?
new laptop and I have never had this issue before. My arduino Uno doesn't show up in the tty devices.
lsusb:
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux ...
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How can I access a SPI NAND Flash Memory in embedded Linux?
I am a newbie with embedded Linux. I am using a Leon-Linux system on my evaluation board(Grmon GR712). I can compile the Linux kernel and build an image file via build-root.
I want to access an SPI ...
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USB Hub dropping data from USB-to-Serial Adapters
I am currently designing a system, which needs to receive data from serial devices (mainly ARM boards). To achieve this, I use some USB-to-Serial (FTDI232) adapter(s). I coded a simple loopback ...
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Issues setting up a bridge connection for serial devices
I'm having trouble setting up a network of serial devices on a shop floor. I do have some basic networking experience but am not verbose in some of the more advanced settings.
I'm trying to setup a ...
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MS Excel365 Date/Serial Date - anyone else experiencing?
I am having a problem suddenly with all computers at my place of employment.
If I type a number into a cell (A1), such as "121218" excel is not auto-converting to a date. In addition, when the cell ...
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Node.js serialport readline parser - response devided to each sign in new line
I would need some help in resolving a node.js problem with serialport response on one computer with Ubuntu 18.04 64-bit.
On the beginning I can confirm that the hardware which I have connected answers ...
