TensorFlow Lite for Microcontrollersのmagic wandの学習用データをあつめるraspberry pi picoプログラムを書いた

{
  "cmake.configureOnOpen": false,
  "cmake.statusbar.advanced": {
    "debug" : {
      "visibility": "hidden"
              },    "launch" : {
      "visibility": "hidden"
               },
    "build" : {
      "visibility": "default"
               },
    "buildTarget" : {
      "visibility": "compact"
               },
     },
}

//..
MMA8451Gravity gravity;
int main()
{
  //...
  MMA8451Status status = mma8451_init();
  if (status == kMMA8451Error)
  {
    return -1;
  }

  while (true)
  {   
    mma451_read_gravity(&gravity);
    // do something
    sleep_ms(40);
  }

  return 0;
}

MMA8451Gravity gravity;

int main()
{
  stdio_init_all();
  MMA8451Status status = mma8451_init();
  if (status == kMMA8451Error)
  {
    return -1;
  }

  bool is_low = true;

  while (true)
  {   
    if (get_bootsel_button())
    {
      if(is_low)
      {
        printf("-,-,-\r\n");
        is_low = false;
      }
      mma451_read_gravity(&gravity);
      
      printf("%04.2f,%04.2f,%04.2f\r\n", gravity.x*1000, gravity.y*1000, gravity.z*1000);
    }else{
      is_low = true;
    }

    sleep_ms(40);
  }

  return 0;
}