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Forum Index : Microcontroller and PC projects : Xmodem redirect to COM port option

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frnno967
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Joined: 02/10/2020
Location: United States
Posts: 104

Posted: 03:49pm 09 Oct 2020

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This is half question/half feature request. I'm trying to add Xmodem functionality to the simple terminal datawiz wrote. It appears that the Xmodem receive and send commands are hard coded to only interact with the Console Serial port over the USB B connector.

Is there a way to call those commands from a Basic program and have them redirect to COM1 or COM2? Or could a feature request be considered to add an option to the command to declare the port? I know the alternative is to write Xmodem software routines in Basic to implement this, but it seems like reinventing the wheel if the functionality is already in Basic.

Thank you.

Jay Crutti: Ham Radio Operator, K5JCJ. Computer Enthusiast. Musician. Engineer.

JohnS
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Joined: 18/11/2011
Location: United Kingdom
Posts: 4044

Posted: 04:15pm 09 Oct 2020

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It does seem a bit unnecessary, but if done the CRC function is already on fruitoftheshed

John

matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 10310

Posted: 04:40pm 09 Oct 2020

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Try the attached. You need to append 1 or 2 to the xmodem command and the serial port needs to be opened first.

open "com1:9600" as #1 'pick comport and baudrate as required
XMODEM S "myfile.txt",1
XMODEM R "newfile.txt",1

CMM2V1.5.zip
Edited 2020-10-10 02:55 by matherp

frnno967
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Joined: 02/10/2020
Location: United States
Posts: 104

Posted: 07:19pm 09 Oct 2020

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matherp said CMM2V1.5.zip

Is the zipped .bin file at the end of your reply something I need to install like a firmware?

Jay Crutti: Ham Radio Operator, K5JCJ. Computer Enthusiast. Musician. Engineer.

thwill

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Joined: 16/09/2019
Location: United Kingdom
Posts: 4311

Posted: 07:26pm 09 Oct 2020

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frnno967 said

matherp said CMM2V1.5.zip

Is the zipped .bin file at the end of your reply something I need to install like a firmware?

Yes, instructions are in the manual. However the ground is moving so fast you probably want to install RC2 now, see end of this thread:

https://www.thebackshed.com/forum/ViewTopic.php?FID=16&TID=12881

Best wishes,

Tom

MMBasic for Linux, Game*Mite, CMM2 Welcome Tape, Creaky old text adventures

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