Dear fellow LUV members,
Compose::Melbourne is running this year for the third time,
coming up in just over a week:
http://www.composeconference.org/2018-melbourne/
It's a two-day event, aimed at building and supporting the
functional-programming community in Melbourne. So if you're at
all
Hi All,
I'm having some trouble making expect work.
I need it to talk to some vintage equipment over usb serial, and I think
I'm getting hung up on opening the port.
When the script runs, it just connects to the device and sits there. I can
drive it interactively, but it doesn't attempt to
are you using a USB to Serial dongle? for some time now they've been a
standardised SoC that apparently handles breaks poorly... so if the system
is expecting a break...
(found this out for Unify PABX and Cisco serial - in the latter case,
dropping the speed to 2400 and holding down space bar for
the ones I played with used the CH340 chipset:
https://sparks.gogo.co.nz/ch340.html
https://cdn.sparkfun.com/datasheets/Dev/Arduino/Other/CH340DS1.PDF
do you know what chipset it's using?
On Mon, 20 Aug 2018 at 11:32, Paul van den Bergen <
paul.vandenber...@gmail.com> wrote:
> Yeah, that's
the alternative (read "proper") is FTDI
http://forum.arduino.cc/index.php?topic=189239.0
On Mon, 20 Aug 2018 at 11:37, Paul van den Bergen <
paul.vandenber...@gmail.com> wrote:
> the ones I played with used the CH340 chipset:
> https://sparks.gogo.co.nz/ch340.html
>
Yes, I am using a USB serial dongle. It's a known reasonably good quality
brand that otherwise works fine interactively.
On Mon, Aug 20, 2018 at 10:33 AM, Paul van den Bergen <
paul.vandenber...@gmail.com> wrote:
> are you using a USB to Serial dongle? for some time now they've been a
>
Yeah, that's probably fine - but it's still something I'd look at for
workarounds... that whole "connect then fail to interact" thing sounds
familiar... it's waiting for something that never comes, or the return is
swallowed by the USB serial chip...
On Mon, 20 Aug 2018 at 10:47, cory seligman
Oh, it’s genuine FTDI. That part is fine. I’ve had it dumping masses of data
successfully if I manually start the transfer.
Sent from my VT100
> On 20 Aug 2018, at 11:37 am, Paul van den Bergen
> wrote:
>
> the ones I played with used the CH340 chipset:
>
On Mon, Aug 20, 2018 at 10:29:46AM +1000, cory seligman wrote:
> I'm having some trouble making expect work.
expect itself is a complete PITA. IMO you are better off using one of the
expect-like modules for a general purpose programming language like perl
or python.
Also IMO, the time and
On Mon, Aug 20, 2018 at 01:31:26PM +1000, Craig Sanders wrote:
> Perl has several to choose from - the most generic is Expect.pm[1]. There's
> also application-specific ones like Device::SerialPort[2]. or for specific
> network protocols with, e.g., Net::SSH[3] and Net::Telnet[4].
>
>
This is probably good advice. In the past I think I've made expect work,
but I've wasted enough time on it now that I could have just written some
code to do it.
On Mon, Aug 20, 2018 at 1:31 PM, Craig Sanders via luv-main <
luv-main@luv.asn.au> wrote:
> On Mon, Aug 20, 2018 at 10:29:46AM
On Mon, Aug 20, 2018 at 10:29:46AM +1000, luv-main wrote:
> Hi All,
>
> I'm having some trouble making expect work.
>
> I need it to talk to some vintage equipment over usb serial, and I think
> I'm getting hung up on opening the port.
>
> When the script runs, it just connects to the device and
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