NS_LOG
NS_LOG("read page %d\n", ns->regs.row);
NS_LOG("read page %d (second half)\n", ns->regs.row);
NS_LOG("read OOB of page %d\n", ns->regs.row);
NS_LOG("erase sector %u\n", erase_block_no);
NS_LOG("programm page %d\n", ns->regs.row);
NS_LOG("reset chip\n");