Teensy, Stepper motor and WS2812 LED interfacing

Using Arduino Project Guidance
1

Hey there,

I am interfacing WS2812 addressable led using the WS2812Serial.h . and driving stepper motor using one of the examples of blink without delay.

   unsigned long currentMillis = millis();
    if (currentMillis - previousMillis >= interval) {
      previousMillis = currentMillis;

      if (stepPinState == LOW) {
        stepPinState = HIGH;
      }
      else {
        stepPinState = LOW;
      }
        digitalWrite(stepPin_cb1_1, stepPinState);
        digitalWrite(stepPin_cb1_2, stepPinState);

    }

in the loop, i am calling both functions

 FastLED.show();
 Drive_motors();

However, the problem is the speed of the stepper motor, it is rotating very slowly after adding the entire block of LED code.

Thank you for the reading,
I am accepting every suggestion here.

Thanks for the help.

2

It appears the problem is not in the code snippets you provided. Please post your entire sketch and a description of what you intend for your sketch to do.

3

If the API calls for many LEDs are the cause of the slowdown, maybe direct port manipulation will decrease that time...
https://idyl.io/arduino/how-to/manipulate-arduino-ports/

4

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