On 7/9/19 3:01 PM, Martin McCormick wrote: <snip>
I put stretch on it from a netinstall disk and promptly upgraded it to buster before installing cpanplus and Device::SerialPort
<snip>
the complaint is that none of the parameters such as baud rate, handshake and all other trates throw errors right and left about uninitiallised variables, the variable being the port that was previously defined.
Post a console session showing the commands issued and the error messages produced.
David