tty functions

 In perlfaq8 there is a question about how to open serial ports.

 Here is my take of it:
http://aspodata.se/git/openhw/bin/Tty.pm

 I use it to talk to a grbl controller, which i borrowed from a friend:
https://github.com/gnea/grbl.git
https://www.sainsmart.com/collections/genmitsu-cnc/products/sainsmart-genmitsu-cnc-router-3018-pro-diy-kit

Regards,
/Karl Hammar