pascalmochel / arduinoscope

Automatically exported from code.google.com/p/arduinoscope
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all channels show same values #17

Open GoogleCodeExporter opened 8 years ago

GoogleCodeExporter commented 8 years ago
What steps will reproduce the problem?
1. Upload arduinoscope to Arduino Duemilanove
2. Run the windows APP
3. All channels show same value no matter which channel is physically connected 
to the test point

What is the expected output? What do you see instead?
I was expecting all 5 channels to show different values when connected to diff 
test points on my circuit but all channels show same value.

What version of the product are you using? On what operating system?
Windows 7, arduino 1.01, processing 1.5.1

Please provide any additional information below.
I was testing the arduino scope. So I connected channel 0 to the 3.3v supply 
provided on the arduino board, and I see all channels output changed to 3.3 v 
on the PC software. if I move the connection to pin 1 or 2 or 3 or 4 or 5, all 
channels show the same value. is this how the scope should be behaving?

I also monitored the values on a serial terminal and all 6 channels show same 
values or at least very close values, even when only one of them is connected.

Am I missing something?

Thanks,
Sam

Original issue reported on code.google.com by mrun...@gmail.com on 30 Jul 2012 at 4:28

Attachments:

GoogleCodeExporter commented 8 years ago
I will take a look at this. Seems very strange.

Original comment by david.ko...@gmail.com on 25 Sep 2012 at 6:57

GoogleCodeExporter commented 8 years ago
was this fixed? I am experiencing the same problem

Original comment by windr...@gmail.com on 23 Nov 2012 at 9:38

GoogleCodeExporter commented 8 years ago
Nope, I did not get any solution for this. 

So, I bought http://www.saleae.com/logic

Original comment by mrun...@gmail.com on 25 Nov 2012 at 9:15

GoogleCodeExporter commented 8 years ago
thank you for the response and for the very good tip! I gonna try it.

Original comment by windr...@gmail.com on 25 Nov 2012 at 6:18

GoogleCodeExporter commented 8 years ago
I got the same issue with an arduino leonardo. But as soon as I connect more 
than one pin, the other connected pins show the right values, too. I think the 
pins are internal connected, probably with high resistance but still low enough 
for one pin to drive the other pins if they are not connected to anything. So 
probably this is not a problem of this software, but of the avr. 

Original comment by ef2644@googlemail.com on 12 Jan 2014 at 12:28

GoogleCodeExporter commented 8 years ago
WHEN I SET 6 SCOPES THE BUTTONS DIDN'T APPEAR.. I HAVE JUST ONLY ONE ALWAYS...

Original comment by iusley...@gmail.com on 16 Apr 2014 at 4:06