serial-port Questions
7
Solved
I have a linux server (Red Hat 4) with one serial port connection to an embedded linux device, and another serial port connection to a power controller for that device. My current way to control th...
Nellnella asked 6/10, 2010 at 16:11
2
Solved
Is there any way to open a terminal device file in erlang ?
I am on Solaris and I am trying the following::
Erlang (BEAM) emulator version 5.6 [source] [64-bit] [async-threads:0] [kernel-poll:fa...
Towe asked 23/12, 2010 at 9:26
9
Solved
I have developed an embedded application which requests status information from a device down a communications channel. My customer requires that these will be sent with a specific time period, so ...
Implacable asked 29/1, 2010 at 10:9
6
Solved
I'm debugging communications with a serial device, and I need to see all the data flowing both directions.
It seems like this should be easy on Linux, where the serial port is represented by a fil...
Epiphenomenon asked 2/6, 2009 at 16:4
4
Solved
The company I work for makes hardware that communicates to the computer though a serial port. Third party companies write software that communicates with our hardware.
There are times when I need...
Virelay asked 3/9, 2008 at 17:46
5
Python SerialException: Device reports readiness to read but returned no data (device disconnected?)
I've got two Raspberry Pi's sending data to each other using the Serial Port and a pair of XRF Radio's. Generally they work fine and the full program loops multiple times but every once in a while ...
Empathize asked 5/2, 2015 at 12:26
6
I am writing Python v2.x in Windows7 OS. When I run my code, the following error happens frequently.
serial.serialutil.SerialException: could not open port 'COM4': WindowsError(5, 'Access is denie...
Viand asked 31/12, 2015 at 18:40
4
I wrote a small program on PlatformIO for an ESP32 with ESP-IDF framework.
Currently this is connected to my PC with USB cable.
I receive lots of data from a CAN-BUS and I print this data with pri...
Seraph asked 21/9, 2019 at 6:32
3
Solved
I am trying to plug in a device into my Macbook and connect to it to read it's serial port. I know the device connects on baudrate 115200.
Currently, I run the command
ioreg -p IOUSB -l -b | grep...
Variscite asked 16/1, 2018 at 23:19
5
I'm having trouble to read more than one character using my program, I can't seem to figure out what went wrong with my program.
import serial
ser = serial.Serial(
port='COM5',\
baudrate=9600,\...
Priorate asked 18/4, 2013 at 8:22
6
Solved
FINAL UPDATE
It was our firmware the whole time. Embarrassing to a degree, but I'm happy we can move forward and I can put learning Java off for another day. My answer is below.
UPDATE
So I have...
Negative asked 14/2, 2013 at 22:31
10
Solved
I have some code that loads the serial ports into a combo-box:
List<String> tList = new List<String>();
comboBoxComPort.Items.Clear();
foreach (string s in SerialPort.GetPortName...
Cherellecheremis asked 14/5, 2010 at 22:16
9
Solved
I'm implementing a protocol over serial ports on Linux. The protocol is based on a request answer scheme so the throughput is limited by the time it takes to send a packet to a device and get an an...
Election asked 29/10, 2012 at 16:53
8
There are several ways to list serial ports under Windows but I'm not sure what is the proper way: the way that does detect all serial ports that are available.
One good code example is http://www...
Ashti asked 20/4, 2010 at 9:49
6
Solved
the code:
static void Main(string[] args)
{
Console.WriteLine("Memory mapped file reader started");
using (var file = MemoryMappedFile.OpenExisting("AIDA64_SensorValues"))
{
using (var reader...
Shortage asked 28/8, 2011 at 7:41
1
I have an unity/c# app which utilizes com ports to comunicate with a custom bluetooth device. The connection with serial ports works fine when using a stock/inbilt/OE bluetooth device in any comput...
Hiroshima asked 22/5, 2018 at 9:55
11
Solved
I am trying to connect minicom to a serial device that is connected via a USB-to-serial adapter. This is a PL2303 and from everything I've read no additional drivers are required. The device is rec...
Fraxinella asked 18/3, 2011 at 4:8
4
I want to develop an application whitch control the serial device over usb, on Linux Android.
An Android OS is 3.1 that supports USB host.
Q1: Please let me know how to get which port the serial...
Schuman asked 21/7, 2011 at 6:35
4
Solved
This question is related to a situation that occurred when using Chrome Serial API but probably could be relevant to any ReadableStream. I studied the documentation and probably missed some feature...
Picard asked 16/1, 2021 at 9:56
5
Solved
Posix requires changing RTS pin on port opening. I want a way to avoid it.
Grasshopper asked 23/2, 2011 at 11:47
3
Solved
The goal is to connect to an embedded device using serial interface.
So far, I've used:
stty -F /dev/ttyS2 115200 cs8 ixoff
socat readline,history=/etc/socat.history /dev/ttyS2,raw,echo=0
...
Semifinalist asked 15/10, 2014 at 1:25
2
I'm trying to wrap the SerialPort's read method in a task that can be awaited, that way I can get the benefits of using a CancellationToken and the timeout from the SerialPort object. My issue is t...
Hajj asked 8/12, 2017 at 21:24
5
Solved
I have a winform program that does some asynchronous IO on a SerialPort. However, I'm periodically running into an issue with the program freezing on the SerialPort.Close() call, seemingly at rando...
Overmodest asked 12/1, 2012 at 22:29
5
Note: I'm using Python 2.7, and pySerial for serial communications.
I found this article which lists two ways: http://www.zaber.com/wiki/Software/Python#Displaying_a_list_of_available_serial_ports...
Abort asked 3/7, 2012 at 2:51
4
Solved
Occasionally some of my integration tests are failing with the above message. I'm using the code below to ready the port.
for(int i = 0; i < 5; i++)
{
try
{
port.Open();
if (port.IsOpen)...
Millenary asked 8/9, 2011 at 13:10
1 Next >
© 2022 - 2024 — McMap. All rights reserved.