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Re: CW on zbitx


 

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Eric, thank you very much for performing that test. I read through your code and I think that you are calling modem poll on every tick.

That would certainly suggest that your newfound success indicated it needed to be called more frequently.

I have a suspicion that it will similarly work pretty well even if you call it every fifth tick would you be willing to try that? That would be four times faster than it is currently being called and I think that would allow people to get to 30 words per minute, give or take. I’m just curious because I want to see just where the effective “ Shannon limit “ is?
reached for human perception. ??

Again, thank you very much for trying that test. I don’t have the radio so I can’t make the test.

?I think somebody else explained it very well. That Ashhar was now reading the paddles extremely rapidly, but not acting on it rapidly. You apparently fixed the latter, ?with the fix we thought would work

Difficult to dictate on an iPhone…..


Gordon?


On Apr 5, 2025, at 20:07, Erik Erkelens - N2EPE via groups.io <erik.erkelens@...> wrote:

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I think Gordon KX4Z is spot on, the timing of items in the ui_tick() loop need adjusting.
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I slowed down a few things, and made polling the key more frequent, and now I was able to send at 30WPM (not really - but I'm confident any mistakes were mine, and not the zbitx's).
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Ron Carr's fix for iambic B is also essential to make that work correctly.
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My changes are in my , and worked for the very few things I tried, but well may have broken others.
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I am very excited about this radio and having the ability to see and change how it's working!
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Erik - n2epe
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