Error opening serial port

Encouraged by the latest developments, today I started building a new application that will  allow remote connection to Kenwood TH-D74, remote control and APRS data transfer. However, while building and running the app I got the following error: [debugger]Error opening serial port … Operation not permitted(1).[/debugger] If you encounter this, be aware that it is …
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Writing serial drivers for OS X (1)

At least one thing can be improved on Mac Dev Center: the code sample repository. I am not talking about documentation. In this particular case, there’s not much new to write about. The I/O Kit documentation (grab the pdf while it is stil there) is sufficient. On the shelves are tons on books about C and …
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