Saleae Logic Probe on sale at microchip.com

[Normnet]

I am happy with the use of my new LA1034 LogicPort.

It decoded VGA signals for use with a PIC.


Norm

[Demon]

I am happy with the use of my new LA1034 LogicPort.

It decoded VGA signals for use with a PIC.


Norm

I'm impressed, and then I'm impressed by just about everything it seems.

The LogicPort provides 34 channels sampled at 500MHz.

VGA is another one of "those things" that I wanted to dabble with, mainly for flight sim. When the connector has 15 pins, having more than 8 channels seems like a good idea.

[HenrikOlsson]

Depends on what you want to do.... VGA is, as far as I know, an analog interface so putting a logic analyzer on the actual VGA signals probably won't do much for you. If, on the other hand you want to monitor what goes on on "the other side" of the DAC then a fast logic analyzer would be the key. But then it's the number of bits in the interface bus to the DAC and not the number of pins in the VGA connector that stipulates the number of channels you need....

/Henrik.

[Normnet]

Depends on what you want to do.... VGA is, as far as I know, an analog interface so putting a logic analyzer on the actual VGA signals probably won't do much for you. If, on the other hand you want to monitor what goes on on "the other side" of the DAC then a fast logic analyzer would be the key. But then it's the number of bits in the interface bus to the DAC and not the number of pins in the VGA connector that stipulates the number of channels you need....

/Henrik.

For VGA timing is critical, vertical and horizontal sync as well as clocking out the D/A pixel data.
Also additional hardware support as the PIC just isn't fast enough to determine the pixels in a line.

Norm

[mister_e]

Finally received the clone, work as advised, no complaint, but yeah you may want to add the mini grabber probe kit to your shopping cart. As it is right now, it's just a bunch of wire with female connector on the end, something that plug perfectly on male headers (such as those on EasyPIC board)

Allow 2-4 weeks for their free delivery as well.

Not something I would highly recommend or do again, but surely cheap and workable solution.

[Demon]

Saleae Logic 8 now goes for $499 on Microchip Direct, but it can handle BOTH digital and analog inputs. :O
https://www.microchipdirect.com/dev-tools/TSAL0003

"One tool to rule them all!"

I finally filled up my old one while looking where my 2 PICs are spending their time.




After debugging my USART/IOC problems on the 16F18877, I can't imagine how long it would have taken without the Saleae Logic.

[HenrikOlsson]

I'm sure their new offerings are as good (likely better) than the old series but their prices have skyrocketed.
It was $149 for the original LOGIC8, now the new LOGIC8 is >$500. Sure it's faster and more betterer but nah, it doesn't tickle that buy nerve at all for me.