[time-nuts] Lady heather on a Raspberry pi

[Ken]

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
> 
> Sent from Outlook<http://aka.ms/weboutlook>
> ________________________________
> From: time-nuts <time-nuts-bounces at lists.febo.com> on behalf of Mark Sims <holrum at hotmail.com>
> Sent: Thursday, November 8, 2018 11:13 PM
> To: time-nuts at lists.febo.com
> 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
bats059 at gmail.com

'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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