osx-pl2303

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This is a slightly updated version of the open source Prolific PL2303 USB to Serial driver for Mac.

Users of PL2303 devices on OS X should note that the official driver (which can be downloaded from Prolific) seems to be rampantly buggy...

Hugo Vincent, 20th October 2010. http://github.com/hugovincent/osx-pl2303/

Original version at http://osx-pl2303.sourceforge.net/ and http://bitbucket.org/ddb/osx-pl2303/.

Changes:

• Merged the Sourceforge and BitBucket upstreams.
• Renamed from nl.bjaelectronics.driver.PL2303 to net.sourceforge.osx-pl2303 (and similarly for class names).
• Removed all the PID/VID combos I can't test. Easy to add them back if you need them (just duplicate one of the current ones in Info.plist). Only the default (067B/2303) remains.
• Set all the OS version minimums to 10.6 (as I can't test older versions).
• Fixed some bugs that prevented 64-bit builds working. This necessitated some refactoring due to unspecified pointer/integer size assumptions.
• Fixed or silenced most of the compiler warnings.
• Update distribution packager.
• Add very hackish stubs for power management methods that seem to be required now (otherwise you get link/undefined symbol errors when loading the kext).