Bob Blick wrote: > I use Turbo Power Async Pro. It's absolutely great. It's also now open > source. > > http://sourceforge.net/projects/tpapro/ > Is there a way to control the DTR and RTS lines directly? Say, if I wanted to write a simple test app that had three buttons: PORT ON/OFF DTR ON/OFF RTS ON/OFF Async has a sophisticated setup menu, but it's not flexible enough to do what I want. Your help is appreciated! Best regards, Vitaliy -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist