22 March 2020, 19:08 | #1 |
Newbie Amiga programmer
Join Date: Jun 2012
Location: Front of my A500+
Age: 38
Posts: 372
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serial communication between Amiga and PC
I'm trying to set up a nullmodem connection between my A500+ and my Linux PC. I've built a cable with this wiring:
I've double checked the cable with an electronic contact-checker and the wiring is according to the image's numbers. Then i had set up the Amiga with the following values Code:
baud=9600 buffer=512 handshake=RTS/CTS parity=none rbits=8 wbits=8 stopbits=1 Code:
stty 9600 -parenb cs8 crtscts -ixon -ixoff raw iutf8 -F /dev/ttyS0 Type SER:on the Amiga and this one on Linux cat sertest.txt > /dev/ttyS0but nothing happened. The Amiga keeps waiting forever, the Linux gave back the prompt after a while. Anybody has any idea, what could go wrong? |
22 March 2020, 23:03 | #2 |
Banned
Join Date: Nov 2019
Location: Uranus
Posts: 193
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why you are using linux for this which is far more complicated
use windows +amiga explorer, this works on the fly you won't need to ask questions here |
23 March 2020, 10:44 | #3 |
Newbie Amiga programmer
Join Date: Jun 2012
Location: Front of my A500+
Age: 38
Posts: 372
|
Linux is actually not important, it could be BSD, Solaris, OSX or whatever, even windows. What matters, is that i'm trying to set up a simple nullmodem connection between the two machines to interchange some data. Something is not OK and the question is what and why. Is it the wiring? The setup on the PC side? On the Amiga side? Something else? These are the questions.
Amiga explorer is absolutely irrelevant here, because that is not what i want to do. |
23 March 2020, 16:19 | #4 |
Newbie Amiga programmer
Join Date: Jun 2012
Location: Front of my A500+
Age: 38
Posts: 372
|
Okay, solved it. Somewhy the system recognized the two serial ports in reverse order and port A became ttyS1 and port B ended up as ttyS0.
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23 March 2020, 16:45 | #5 |
Also known as GarethQ
Join Date: May 2019
Location: Twickenham / U.K.
Posts: 744
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How is your speed when moving between the two machines? I remember wiring up my own cable for use with Amiga Explorer. I would think the wiring scheme would be the same. Definitely would like to give this a go on my Pop Os machine
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23 March 2020, 17:39 | #6 |
Newbie Amiga programmer
Join Date: Jun 2012
Location: Front of my A500+
Age: 38
Posts: 372
|
It's working flawlessly with 19200 baud. However during experimenting, i rewired things, because i had no idea what was wrong. Now it's a PC-PC (DB9-DB9) serial cable plus a DB9-DB25 adaptor on the Amiga side. But that DB25-DB9 cable wiring above should work too.
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24 March 2020, 00:00 | #7 | |
Banned
Join Date: Nov 2019
Location: Uranus
Posts: 193
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Quote:
The standard Amiga 500/68000 cpu can transfer at max 19200 The A1200 standard can transfer at 57600 having a 020/28mhz or 030/25 or faster accel Amiga explorer transfer files at 115200 flawlessly |
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