Re: minicom questions, need expert

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On Monday 12 May 2008, Gene Heskett wrote:
>Greetings;
>
>I'm trying to make an antique computer talk to this linux box via a
> usb<->serial adaptor and a long USB extension cord that has a hub kit in
> the far end of it.
>
>When I plug in the cable to a 7 port extension hub here, dmesg reports:
>
>May 12 14:00:58 coyote kernel: [314986.418050] usb 1-1.3: new full speed USB
> device using ehci_hcd and address 33 May 12 14:00:58 coyote kernel:
> [314986.503819] usb 1-1.3: configuration #1 chosen from 1 choice May 12
> 14:00:58 coyote kernel: [314986.504986] hub 1-1.3:1.0: USB hub found May 12
> 14:00:58 coyote kernel: [314986.509657] hub 1-1.3:1.0: 4 ports detected May
> 12 14:00:58 coyote kernel: [314986.818989] usb 1-1.3.4: new full speed USB
> device using ehci_hcd and address 34 May 12 14:00:58 coyote kernel:
> [314986.910261] usb 1-1.3.4: configuration #1 chosen from 1 choice May 12
> 14:00:58 coyote kernel: [314986.910630] ftdi_sio 1-1.3.4:1.0: FTDI USB
> Serial Device converter detected May 12 14:00:58 coyote kernel:
> [314986.910684] ftdi_sio: Detected FT232RL May 12 14:00:58 coyote kernel:
> [314986.910721] usb 1-1.3.4: FTDI USB Serial Device converter now attached
> to ttyUSB1
>
>And I have sent several very long directory listings up the cable, but
>nothing, not a single character is being output to the minicom screen.
>I do not know if the minicom utility can reach out into that FT232RL to
>tell it what the baud rate is or not, no clue.  If minicom can't do that,
>then what linux utility can perform this initialization?
>
>Thanks all.

PEBKAC.  It turned out that the serial port params on the legacy machine were 
a bit foobared.  And to minicom, it is now working well. A small copy/paste:
 Directory of /dd/cmds   2008/05/12 14:42

Owner  Last modified   Attributes Sector Bytecount Name
----- ---------------- ---------- ------ --------- ----
   0  2006/04/21 13:38  --e-rewr   1EBF8      1B00 asm
   0  2006/04/21 13:38  --e-rewr   1EBFC       1FF attr


I can put the fixes for that in the startup file for the coco3/nitros9 
machine.

Now, I would like to be able to put something in my own rc.local that would 
first tune that /dev/ttyUSB1 port for the proper params, then go away and 
allow a "cat /dev/ttyUSB1 >/lp3" to be done, the idea being to use the linux 
box to convert that text into something for a modern printer which doesn't 
understand P.O.A. (Plain Old Ascii).  I need to be able to make paper copies 
of program src, probably from the assembler.

Suggestions gleefully checked out, thanks all.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
We are what we pretend to be.
		-- Kurt Vonnegut, Jr.

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