Comments (9)
Interesting. Now if only I knew what version of display I have..
from inky.
I have reached out to a Pimoroni developer regarding chipsets, in hopes of getting some information so we can figure this out.
from inky.
Nice. Hope they're up for some sharing :)
from inky.
You did a bunch of profiling for your new performance changes. Any good recommendations for attempting to profile this sort of thing? What did you end doing for measurements? I guess you didn't have to measure on-device since you were mostly processing data structures..
from inky.
Hello - Have you profiled at all at different SPI speeds? It looks like you are also using 448 kHz, so does this mean that you encounter issues when using the inky pHat at higher SCLK frequencies (say, 1 MHz)?
Cheers! :)
from inky.
I think I tried a few variations but ended up settling on what was used in the original python library. Feel free to try some things and measure the results :)
from inky.
Thanks! Were there display issues?
I may be playing around with this relatively soon, I will report back my results!
from inky.
I quite honestly don't recall :D
I believe during certain experiments there was blurriness from previous images. Not sure if that was was experimenting with speeds or with the blanking.
The biggest difference in update speed for me has been running the red inky configured as black. No color but much faster.
from inky.
You did a bunch of profiling for your new performance changes. Any good recommendations for attempting to profile this sort of thing? What did you end doing for measurements? I guess you didn't have to measure on-device since you were mostly processing data structures..
I think I just used the built-in timer in BEAM and created a simple utility for gathering tagging starts and stops of timers. I don't even recall how I did everything, hehe. I want to say that a fair bit of time was spent waiting for the hardware to run the cycles defined by the LUTs.
from inky.
Related Issues (20)
- GenServerify the main entrypoint, Inky (inky.ex) HOT 5
- Consider making the busy waits into aspects of sync/async updates HOT 7
- Add credo check to CI
- Replace custom mock hackery with Mox HOT 2
- Add a convenient way to get display info by type HOT 2
- Allow setting an optional rotation
- Implement a post-push signal that can be requested by callers of `set_pixels` HOT 2
- Host dev library should handle border
- Not working with wHAT display HOT 17
- Update commands to be in line with current Python Inky HOT 3
- Clean up IO tests to use hex or constants in comparisons HOT 4
- Use constants or something elegant for all the magic numbers HOT 3
- Version 1.0.1 cannot compile on Elixir 1.10 HOT 3
- Support the Inky Impression HOT 10
- display orientation upside down HOT 5
- Dev-mode display using wx? HOT 12
- set border color at creation and after creation HOT 3
- should we support the red high temperature screen type? HOT 2
- Validate display size on init HOT 1
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from inky.