On 01/29/18 09:19, Fred Smith wrote:
On Mon, Jan 29, 2018 at 07:00:02AM -0500, Pete Geenhuizen wrote:
On 01/28/18 20:15, Fred Smith wrote:
Thanks for the suggestion.
I looked at them with setserial, but I have no familiarity with the
program to know what to change.
setserial -ag /dev/ttyS*
/dev/ttyS0, Line 0, UART: 16550A, Port: 0x03f8, IRQ: 4
Baud_base: 115200, close_delay: 50, divisor: 0
closing_wait: 3000
Flags: spd_normal skip_test
/dev/ttyS1, Line 1, UART: 16550A, Port: 0x8000, IRQ: 17
Baud_base: 115200, close_delay: 50, divisor: 0
closing_wait: none
Flags: spd_normal skip_test
/dev/ttyS2, Line 2, UART: 16550A, Port: 0x8400, IRQ: 17
Baud_base: 115200, close_delay: 50, divisor: 0
closing_wait: none
Flags: spd_normal skip_test
/dev/ttyS3, Line 3, UART: unknown, Port: 0x02e8, IRQ: 3
Baud_base: 115200, close_delay: 50, divisor: 0
closing_wait: 3000
Flags: spd_normal
I changed the closing_wait: on ttyS1 to match ttyS0, but that didn't
do anything, so there must be more to it.
Pete
it has been so many years since I've fooled with a serial port that I
don't remember any details. however, this page may prove helpful, it
appears to contain a lot of potentially useful info:
http://www.tldp.org/HOWTO/Serial-HOWTO-8.html
and also this one (linked from the document above:
http://www.tldp.org/HOWTO/Serial-HOWTO-16.html#slow_
Fred
It's been many years for me as well. From C4 to C6 it just worked and I
thought nothing more of it, but now I'm confronted with this issue.
Thanks for the info and the links hopefully I can glean something out of
it that will solve my dilemma.
Pete
--
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