You should consider adding a flow chart for the codes associated with the test circuit. You can use the flow chart in the article – Whatley, Steve A et al. Go Baby Go – UTHSC and CBU. IESTOC, [S.l.], v. 18, n. 1, p. pp. 228-236, May 2020. Available at: <http://iestoc.org/index.php/conference/article/view/60>.