[avrdude-dev] [bug #41357] OS X: Avrdude messes with the usb stack?

[Joerg Wunsch]

Follow-up Comment #1, bug #41357 (project avrdude):

Can you recompile your AVRDUDE version yourself?

In usb_libusb.c, there's the following piece of code:


#if !( defined(__FreeBSD__) ) // || ( defined(__APPLE__) && defined(__MACH__)
) )
  /*
   * Without this reset, the AVRISP mkII seems to stall the second
   * time we try to connect to it.  This is not necessary on
   * FreeBSD.
   */
  usb_reset(udev);
#endif


As you can see, opinions varied over time whether the 
usb_reset() were needed for OSX or not.  It seems to be 
needed for Linux, where this code originates from, and it's 
for sure not needed on FreeBSD, as FreeBSD's initial libusb 
implementation implemented usb_reset() only as a stub without 
any action, yet it works there.

Try removing the comment mark in the #if line.  Well, maybe 
we should actually change the #if into an #ifdef __linux__ 
if Linux is the only system that needs this.

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