3_loop_digit_crossfade.ino

/*
  exixe modules:
  https://github.com/dekuNukem/exixe

  library docs:
  https://github.com/dekuNukem/exixe/tree/master/arduino_library

  Demo 3: Loop digits with crossfade animation
*/

#include "exixe.h"

// change this to the cs pin you're using
int cs_pin = 10;
unsigned char count;
exixe my_tube = exixe(cs_pin);

void setup()
{
  my_tube.spi_init();
  my_tube.clear();
}

void loop()
{
  count++;
  /*
  1st arg: Digit to show, 0 to 9
  2nd arg: how many frames does crossfade last, 30 frames = 1 second
  3rd arg: digit brightness, 0 to 127
  4th arg: overdrive, 0 disable 1 enable

  This function sets up the crossfade animation
  call crossfade_run() to actually start it
  */
  my_tube.crossfade_init(count, 15, 127, 0);

  // crossfade_run() is non-blocking and returns right away
  // call it regularly(at least every 33ms) for a smooth animation
  // check its return value to see if the animation is finished
  while(my_tube.crossfade_run() == EXIXE_ANIMATION_IN_PROGRESS)
    ;

  my_tube.set_led(127, 64, 0); // orange
  delay(250);
}