Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Switching channel when pocsag message is sent #328

Open
pocsag opened this issue Sep 20, 2022 · 4 comments
Open

Switching channel when pocsag message is sent #328

pocsag opened this issue Sep 20, 2022 · 4 comments

Comments

@pocsag
Copy link

pocsag commented Sep 20, 2022

Dear all,

I would like to switch my motorola GM360 to 439,9875 when a pocsag message is beeing sent.
https://www.florian-wolters.de/posts/automated-channel-switching-with-motorola-gm3x0/
I use the pocsag led on my repeaterboard to switch the frequency.
It seems the pocsag led is beeing switched at the same time as the PTT turns on.
Because the motorola is in TX, the frequency will not switch anymore.
Is there another gpio useable when a pocsag message is sent?
Or maybe is the PTT delayable?
I hope someone can help me out. Thanks in advance!
Greets, Joep PD1AEF.

@capnjb
Copy link

capnjb commented Sep 21, 2022

Joep,
You may be able to accomplish what you want to do by using the Emergency function/switch (Pin 9?). This should QSY to the programmed Emergency channel. I am not sure exactly on the timing that you have set up but it may work for you.

Good Luck,
73
Jon
K1IMD

Dear all,

I would like to switch my motorola GM360 to 439,9875 when a pocsag message is beeing sent. .

@phl0
Copy link
Collaborator

phl0 commented Sep 21, 2022

To be honest this never really worked good and was more like a PoC. I also found that timing is an issue and especially with duplex repeaters it did not really work well.

@pocsag
Copy link
Author

pocsag commented Sep 21, 2022

Hi all,
The switching works great.
If the pocsag LED goes high it switches.
If only PTT would kick in a few mili seconds later it would be okay...
I was hoping to find out where the code could be altered for this.
Regards, Joep

@mytechguyri
Copy link

mytechguyri commented Jan 26, 2023

Barring a change in code I suppose one solution would be route PTT and the LED signals into a microcontroller... then you could program a few millisecond delay after PTT is asserted before passing the PTT signal through to the radio to give it enough time to change channel.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

No branches or pull requests

4 participants