Lepton 2.5 and its VSYNC pin about pylepton HOT 7 CLOSED

None of the Linux code available (at least none I am aware of) takes advantage of this feature. In order to enable the VSYNC output from the Lepton on this pin, some I2C commands would need to be sent to the Lepton. Pylepton does not support the I2C interface for the Lepton, but it would benefit from this.

from pylepton.

What if we don't connect the board's VSYNC pin to the raspberry pi? Will not the output be wrong without that?

from pylepton.

The pin does nothing unless it's enabled. It's not enabled by the code, and therefore not expected to do anything. It can be connected or not, it doesn't matter.

from pylepton.

I understand your point. Then what good this pin would bring to the thermal output if its enabled along with i2c pins?

from pylepton.

The software wouldn't have to poll to see if there's a new frame available. This is an unreliable process, and causes frequent synchronization loss. It would be able to start downloading each frame exactly as soon as the frame is available.

from pylepton.

So what i understand from your points so far is that without VYSNC pin, the thermal output frame could face a frequent synchronization loss. To avoid that, we must enable the VSYNC pin to the raspberry pi, which gives the capability of getting the frames as soon as they are available?

That's what you have been trying to imply right?

from pylepton.

@kekiefer I haven't heard from you after my previous reply.

Just wanted to check that if VSYNC is not enabled, we might loose few frames and if this pin is enabled by adding I2C interface from outside, there will be synchronization, as in, no frame loss?

Thanks,
Akshay

from pylepton.