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Questions - com-port

auto connection to serial port device with web serial API

what should I do to connect the serial device automatically with the filter device when it plug-in into the computer. I am using web serial API to connect serial devices.
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Tejas Chauhan

javascript

serial-port

progressive-web-apps

com-port

web-serial-api

Votes: 0

Answers: 1

Latest Answer

To open a serial port, first access a SerialPort object. For this, you can either prompt the user to select a single serial port by calling navigator.serial.requestPort() in response to a user gesture...
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François Beaufort

How to run PuTTY serial commands in Python/ PySerial

I'm trying to communicate with probe by serial COM port. Manufacturer make some commands in PuTTY ec. change measurement units or read some values. I write peace of code in python but I received nothi...
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Peter Burda

python

putty

pyserial

com-port

Votes: 0

Answers: 1

Latest Answer

Edit: you can pass in a timeout value to your serial instance. Try increasing this although i don't think thats the problem here. More likely the device your communicating with doesn't send newline / ...
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CaptainJack42

VBA buffer not being filled with data by asynchronous (overlapped) Kernel32.dll ReadFile of COM port, but works synchronously

I'm wondering if someone might have some insight into a problem I'm having with VBA reading asynchronously from a serial COM port using the kernel32.dll ReadFile function in overlapped mode? Basically...
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daholtz

vba

asynchronous

readfile

com-port

Votes: 0

Answers: 0

C: Windows not finding HARDWARE\DEVICEMAP\SERIALCOMM even though it can be found using regedit

I want to list the COM ports (like one can see in 'Device Manager'), but at runtime. I shamelessly copied the code from this site (code shown at end of post), and I think I understand it. However, the...
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mandeala

c

winapi

com-port

Votes: 0

Answers: 1

Latest Answer

Thank you to Simon Mourier and Ian Abbott! As stated in the edit, calling RegOpenKeyEx with _T("HARDWARE\\DEVICEMAP\\SERIALCOMM") and casting szDeviceName to a LPWSTR fixed all errors. Furth...
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mandeala

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