Hi Dick, I'm no expert on this stuff, but I can tell you what I did to get my pi3b
connected & running.
To connect the t'bolt to the pi, you will need a usb to serial converter, mine was an
Aten, but most brands should work ok with the possible exception of some of the cheap
chinese knockoff's. You will also need an adapter or cable to go from the hdmi of the pi
to whatever connector your display has. That, plus keyboard, mouse and power to everything
should take care of the hardware.
Then I just followed this-
http://www.ke5fx.com/heather/readme.txt
plus a bit of googling for any minor problems that came up on the way.
One problem for me was turning off the screensaver in the pi- I wanted my display to be on
24/7, so I had to finish up installing maximus and xscreensaver, then disable the
screensaver. I cant find my notes on disabling the screensaver, but I also had to go in to
/home/pi/.config/lxsession/LDXE-pi/autostart and add
@maximus
@ /home/heather11
to get it to autostart with a maximised screen. That may not be a problem for your monitor
though.
Hope this helps.
On 2018-11-10 01:12, Richard Solomon wrote:
I have a couple of older Raspberry PI's (Model B+ and PI 3 Model B
that I would like to hook up to a Trimble T-Bolt. I also have a 7"
display (1024X600) that I could use.
What I don't have is any info on hooking all this up and programming
the PI to run Lady Heather.
Is there any place on the Web that would provide me info on getting
all this together and programming it ?
Thanks for any leads,
Dick, W1KSZ
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________________________________
From: time-nuts <[email protected]> on behalf of Mark Sims
<[email protected]>
Sent: Thursday, November 8, 2018 11:13 PM
To: [email protected]
Subject: [time-nuts] Lady heather on a Raspberry pi
Lady Heather uses the DTR and RTS modem control signals to control the fan. If
you are using a USB-Serial converter the code should work as-is. Heather does
not have any code specific to a particular type of hardware (such as the PI).
If you are using the PI GPIO serial port, you would need to modify the program
to manipulate some GPIO pins. This is probably best done in the functions
SetDtrLine() and SetRtsLIne() in the heather.cpp file... there are Windows and
Linux versions of these routines.
The functions apply_heat() and apply_cool() and hold_temp() in heathmsc.cpp
could also be modified. There is also some code to use a parallel port to
control the fan, but that is rather Windows/DOS specific. It could be modified
for Linux.
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--
Cheers, Ken
[email protected]
'It seems hard to sneak a look at God's cards. But that He plays dice and uses
"telepathic" methods .... is something that I cannot believe for a single
moment.' (Einstein's famous quote on Quantum theory)
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