Better performance coming soon

That's a huge improvement! How'd you manage that?

That is some very impressive performance. What's that line of text (?) scrolling by on the left side of the calculator screen?

Keep up the good work!

This looks really neat! I am very interested in how you increased the serial speed between the computer and calculator.

Overall, well done!

I think those are mouse positions.

I rewrote the PC side in C/C++ and switched to zx0 compression for each frame. I also switched to the Windows desktop duplication api for screen capture and performed image downscaling on the GPU.


I was just printing out frame times and the size of the sent data. Now, I'm trying out/learning Dear ImGui for a better interface:


I'm still using bulk usb transfers like before. Any ideas on how to speed them up would be helpful
I don't think decompression/memcpy is a bottleneck because if I empty the transfer callback function and immediately schedule a new transfer, it somehow slows down the data transfer rate.

Splitting the send calls up on the PC to the usb frame size slightly increases speed:

Code:


I've also been making sure transfers are a multiple of 64. Idk if it's really doing anything, but things seem to be more stable.

I happen to use ImGui a lot, I can probably answer any issues you have with it (it can be kinda finicky)! If you want to graph stuff, ImPlot integrates really well with ImGui and is significantly easier to make plots with.

I pushed my latest code and published a release on Github.

https://github.com/dnmalenke/Calc2KeyCE/releases/tag/v2.0-beta

I need to do a lot of code cleanup, but it's stable.

It's going to be Windows only again for now.

New Features:
Automated driver installation
Faster compression via zx0
GPU accelerated screen capturing and downsizing
Improved UI
More supported connection/reconnection cases (shouldn't have to restart calc/pc program if one side gets disconnected)
Eliminated diagonal screen tearing line

Todo:
Lots of code cleanup
CPU profiling to determine optimal compression timeout per system

Wow this is so nice to see. It's been a while since I thought about this project its nice to see big improvements.

When can we expect it to be on MacOS?

Is there any way that something like this could be on the ti84 calculator? Ithink it would be hilarious to play pc games purely from te low qualioty screen

Is there any way to edit the keybinding? I am using version 1.5 on macOS Ventura, and the screen mirroring works fine but the keys on the calculator don't do anything that I can see. And I would like 2.0 for Mac as well.