% !TeX program = LuaLaTeX
% Copyright (C) 2019-2022 Roberto Giacomelli

% test file: make Code39 barcodes in a LaTeX document

\documentclass{article}
\usepackage{barracuda}

\begin{document}
A\barracuda{code39}{123QWE}A

B\barracuda[text_vpos='top']{code39}{123QWE}B

%\barracudasetup[option]{ treename }

\directlua{
local barracuda = require "barracuda"
local barcode = barracuda:barcode()
local code39 = assert(barcode:enc_by_name("code39"))
assert(code39:set_param{debug_bbox = "qz"})
}\bigskip

A\barracuda{code39}{123QWE}A

B\barracuda[text_vpos='top']{code39}{123QWE}B
\end{document}