Hi all
I made a macro that use NeoPixel led as a progress bar.
Main features:
You can find the macro here GitHub - digitalninja-ro/klipper-neopixel: Klipper NeoPixel Templates and if you have an working neopixel I love your feeback.
Hi, i tested your macro, works great so far - Thank you for the macro!
May i ask for a feature request:
When i use the print progress, all leds are switched off and i have no light in my case.
Would it be possible to add another type of progess with all leds on ( i.e white ) and only chage the colour of the corresponding led# to the progress percentage is switched to red or green or whatever ( maybe configurable with parameter? )
At the beginning when using progess, all leds are off - i would prefer to switch on the 1st led even if the print starts and is at 0 or 1% - what do you think?
Hi!. Thank you for testing and feedback.
Yes, I could extend the option to colors, âbackgroundâ color, âforegroundâ color and so on. But, after I see led_effects plugin, I promised myself that I keep this as simple as I could 
If you want a red âbackgroundâ color for print progress change the line 99 from here to:
1.0, 0.0, 0.0, 0.0
The colors are in order RED, GREEN, BLUE, WHITE (for RGB neopixel, white values is igored)
About the second request with one led on: that means I must lie about the progress. The first led will be turn on only after 1/total_leds from print are done.
I made some code optimization and add the option to clear the current template in order to use SET_LED command. All changes are in a new beta branch. Fell free to test it and share your feedback.
Thank you
Interesting. Just as an FYI, you can invoke other display_templates from a display_template. Not sure if that would simplify your examples. For example (totally untested):
[display_template get_bed_temp]
text:
{ printer.heater_bed.target }
[display_template led_progress]
param_led_num: 0
param_led_total: 1
param_ratio_tmpl: ""
text:
{% set ratio = render(param_ratio_tmpl)|float %}
{% set led_ratio = param_led_num|float / param_led_total %}
{% if ratio > led_ratio %}
{led_ratio}, 0.0, 0.0, 0.0
{% else %}
0.0, 0.0, 0.0, 0.0
{% endif %}
And (again totally untested): SET_LED_TEMPLATE LED={led} INDEX={i+1} TEMPLATE={'led_' ~ type ~ '_' ~ mode} param_led_num={i+1} param_led_total={my_neopixel.chain_count|int} param_ratio_tmpl="\"get_bed_temp\""
Cheers,
-Kevin
First of all, thank you Kevin for your feedback. Coming from the one who started this wonderful firmware gives me wings.
Based on your example I finally understand how render() works and Iâm already starting to think about how it can be used in my macros.
And one question: I read in a dev comment from a klipper commit that display template has 2 fps refresh rate. Consider increasing the fps in the future or this will load the CPU too much?
Thank you,
George
Thanks. I havenât run any tests with a higher update rate. You can change the RENDER_TIME value at the top of klippy/extras/led.py if you want to experiment with something else (be sure to run a full sudo service klipper restart after any code change).
-Kevin
Hi george, great job making this progress bar!!
Got it running on 2 machines, the first one is a 8 led strip with the non beta fw klipper, and the second one is with beta fw klipper and this one is a bit buggy(weird with colours stil have to look in to)
But is there a way or a macro to turn the template off while printing, and is there an option to dimm the lights so they are not on 100% power
Thank you for testing and feedback.
I already implement a macro in beta version that clear the template and turn off the led. I test it and have no bugs so far. Give it a try. With master version you could use something like this in your end macro
SET_LED_TEMPLATE LED=led_name TEMPLATE=""
SET_LED LED=led_name RED=0 GREEN=0 BLUE=0
About light intensity, this isnât a good idea for GLOW mode because will limit the ârangeâ. In PROGRESS mode not all leds glow with the same intensity. For example the first led will have 1/chain intensity and this will increase for each led that is turn on until the last one, which is the only one that glow at full power.
I hope this helped you
Hi, Iâm new here and would like to ask about the type of led diodes used. Drivers are different. Thanks
Thanks for the quick reply. There was a bug in the config in the GRBW label. I had a chaos of colors. This W is used in other applications.
I just set up your macro, I can get glow and clear to work, but I can not get progress to. The error is:
Error evaluating âgcode_macro NEOPIXEL_DISPLAY:gcodeâ: UndefinedError: âdict objectâ has no attribute uâneopixel neoneoâ
Not sure why two templates work and not the other? Thanks in advance!
I suspect a typo. Could you drop your klippy.log file here after you get the error?
Here is my log file. Thank you.
klippy.log (3.88 MB)
The only difference I see so far is at you neopixel configuration. The new leds donât have white values. Remove the initial_WHITE from [neopixel] section and try again.
I donât find the lines where you call the NEOPIXEL_DISAPLY with MODE=progress.
If you try to execute from terminal
NEOPIXEL_DISPLAY LED="neo" TYPE=extruder_temp MODE=progress
what did you get?
Removed the white and still the same thing, the error does seem different now.
Error evaluating âgcode_macro NEOPIXEL_DISPLAY:gcodeâ: UndefinedError: âdict objectâ has no attribute uâneopixel neoneoâ
The only way I can get back the same error is when I misspell the led name. And again, I didnât find any call in your log with mode=progress. How did you call the macro?
NEOPIXEL_DISPLAY LED=âneoâ TYPE=print_percent MODE=progress
Try to use " " instead of â â.