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Questions tagged [kermit]

Kermit is a data transfer protocol, commonly used in the early days of the internet.

Kermit is a data transfer protocol, commonly used in the early days of the internet.

More info: Wikipedia page

20 questions
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In C#, how do you communicate via Kermit over a serial port?

I am about to start on a project where I have to communicate with (extract data from) a medical device via serial port. The documentation for the device says that it communicates via the Kermit protocol. It's been 10 years since I even thought about…
Byron Sommardahl
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How to send boot files over uart

I have a beaglebone black board. A host with 64 bit ubuntu14.04 I wanted to transfer uImage file over uart to beaglebone. So I stopped at u-boot and type U-Boot# loadb ## Ready for binary (kermit) download to 0x80200000 at 115200 bps... Now it is…
almirah almirah
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Setting kermit line on command-line instead of .kermrc

I am establishing a kermit connection to my target via a ~/.kermrc file as suggested... set line /dev/ttyUSB0 set flow-control none set carrier-watch off set speed 115200 connect ... But I periodically must unpower the target, which then changes…
Badslacks
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how to get progress of minicom's kermit file transfer

Is there any way to get the progress of file transfer over kermit protocol serially on minicom, as Tera Term gives in windows.
Samrat Das
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How to send file to serial port using kermit protocol in python

I have device connected through serial port to PC. Using c-kermit I can send commands to device and read output. I can also send files using kermit protocol. In python we have pretty nice library - pySerial. I can use it to send/receive data from…
Adam
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How to calculate CRC-CCITT (Kermit) polynomial

I have a problem with CRC. My message in hex is: 80 00 00 03 an the crc is f5 1f. I thought, the polynom is 0x1021 (crc-ccitt kermit). How to find out, what polynom the right one is? And how can I see, if I need it reversed and if the initial value…
noobee
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Is there an implementation specification for the Kermit file transfer protocol (serial)?

I need a serial protocol for an embedded system that has some quirks. Right now it does YModem, but there are hiccups, so I thought I would try Zmodem or Kermit. Zmodem has both code and a clear enough implementation spec. I can find nothing from…
user1509299
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Terminal Emulator - compare contrast KERMIT and Reflection by attachmate?

Can someone compare and contrast Reflection and KERMIT? Do they do the same thing? Which is better? Why? We may need to use one of these at my business and we are looking for input. Thanks W
WTL
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Use kermit through terminal-server from python

I would like to use kermit through terminal server from a Python code. I tried to solve it with pexpect module but after the spawn it logs out with EOF so the child is dead. child = pexpect.spawn('echo os.environ["MODULESHOME"]/init/sh; module…
user2968409
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teraterm kermit stuck if connection lost

I see that if while sending file to other device with teraterm kermit the other devise disconnect/stops receiving the file, the teraterm freeze (with kermit window opened). I would expect there will be some timeout option but I couldn't find such.…
arye
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How to do xmodem with serial port in python, in Windows?

I am trying to do firmware upgrade for a module. For this I have been trying to send a binary file(.rps file) via XMODEM protocol in python, in Windows. I have tried the code in the below link: https://pypi.org/project/xmodem/ I am not receiving any…
YAMI
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kermit doesn't wait long enough

I'm writing a kermit script to start an elf on an IMX board running a custom kernel and I'm trying to capture a string written by the elf, with the following script: set input echo on lineout tests_domains/usb/hid/build/test # send elf name to the…
Clément Hurlin
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Calculating CRC-CCITT (Kermit) on two different sites, gives different results

I was playing around with CRC-CCITT (Kermit), and I noticed that when calculating the checksum on different sites, I got different results. On lammertbies.nl/comm/info/crc-calculation.html the result of 123456789 was 0x8921, but on crccalc.com it…
Josey
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How can I get kermit script to accept arguments and connect to serial device

I wrote the following in a kermit script to connect to my serial device: #!/usr/bin/env kermit set port /dev/ttyUSB8 set speed 115200 set carrier-watch off set flow-control none set prefixing all set input echo on It does the job pretty well. Now,…
skrowten_hermit
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how send files via uart using kermit, minicom?

I use raspberry in my project, I want to send files via uart but I don't know how to implement kermit or minicom commands, in my script. thank you
M.Jamal
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