Method init

Marlin/src/sd/cardreader.cpp:524–533

Provide a little time for drives to prepare

// Provide a little time for drives to prepare
void CardReader::init() {
  #if HAS_USB_FLASH_DRIVE
    for (uint8_t i = 10; --i;) {
      media_driver_usbFlash.idle();
      hal.watchdog_refresh();
      if (media_driver_usbFlash.isInserted()) break;
      delay(20);
    }
  #endif
}

/**
 * Handle media insertion and removal events