iis2iclx how to read fifo

[Alpha_Lee]

I want to read acc data by fifo, but int1 can't work. I think there might be something wrong with my setup, but I can't figure out where the problem lies. This is my code.

/* Wait sensor boot time */
  platform_delay(BOOT_TIME);
  /* Check device ID */
  whoamI = 0;
  iis2iclx_device_id_get(&dev_ctx, &whoamI);

  if ( whoamI != IIS2ICLX_ID )
    while (1); /*manage here device not found */

  /* Restore default configuration */
  iis2iclx_reset_set(&dev_ctx, PROPERTY_ENABLE);

  do {
    iis2iclx_reset_get(&dev_ctx, &rst);
  } while (rst);

  /* Set full scale */
  iis2iclx_xl_full_scale_set(&dev_ctx, IIS2ICLX_2g);
  /* Configure filtering chain(No aux interface)
   * Accelerometer - LPF1 + LPF2 path
   */
  iis2iclx_xl_hp_path_on_out_set(&dev_ctx, IIS2ICLX_LP_ODR_DIV_100);
  iis2iclx_xl_filter_lp2_set(&dev_ctx, PROPERTY_ENABLE);

  // iis2iclx_fifo_virtual_sens_odr_chg_set(&dev_ctx, PROPERTY_ENABLE);
  iis2iclx_fifo_stop_on_wtm_set(&dev_ctx, PROPERTY_ENABLE);
  iis2iclx_fifo_xl_batch_set(&dev_ctx, IIS2ICLX_XL_BATCHED_AT_104Hz);
  iis2iclx_fifo_watermark_set(&dev_ctx, 112);
  iis2iclx_fifo_mode_set(&dev_ctx, IIS2ICLX_FIFO_MODE);
  iis2iclx_fifo_mode_t fifo_mode;
  iis2iclx_fifo_mode_get(&dev_ctx, &fifo_mode);
  iis2iclx_fifo_temp_batch_set(&dev_ctx, IIS2ICLX_TEMP_NOT_BATCHED);
  iis2iclx_fifo_timestamp_decimation_set(&dev_ctx, IIS2ICLX_NO_DECIMATION);
  iis2iclx_pin_int1_route_t int1_route;
  int1_route.int1_ctrl.int1_fifo_th = 1;
  int1_route.int1_ctrl.int1_fifo_ovr = 1;
  int1_route.int1_ctrl.int1_fifo_full = 1;
  int1_route.int1_ctrl.int1_cnt_bdr = 1;
  iis2iclx_pin_int1_route_set(&dev_ctx, &int1_route);

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