libftdi Archives

Subject: Re: merging of libusb-1.0 support into mainline

From: Xiaofan Chen <xiaofanc@xxxxxxxxx>
To: Mike Frysinger <vapier@xxxxxxxxxx>
Cc: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Thu, 2 Sep 2010 13:16:29 +0800
On Thu, Sep 2, 2010 at 11:47 AM, Mike Frysinger <vapier@xxxxxxxxxx> wrote:

>> Todo:
>> 1. Rename the library and header file. (not yet)
> i dont understand why this is necessary.  why is having libftdi-1.x require
> libusb-1.x isnt a big deal for distros ?  we have those packages in Gentoo
> right now.  for packages that still use libusb-0.x API, there is always the
> compat library.
> if the ABI doesnt break, it's actually more of a pain to integrate different
> SONAMEs into binary distros.  a simple upgrade from libftdi-0.x to libftdi-1.x
> where one just replaces the other completely is a lot easier, and if it
> requires a new libusb, then that isnt a problem either.
> if there is truly a desire to keep support for older distros which dont
> support libusb-1.x yet, then adding an internal compat layer isnt hard.  i did
> this for urjtag already.  so now the whole source uses libusb-1.x but if
> people are building against libusb-0.x, there is a local header to turn the
> 0.x API into the 1.x API.

I think the API is already a bit different. For one thing, please refer to this

-    void ftdi_set_usbdev (struct ftdi_context *ftdi, usb_dev_handle *usbdev);
+    void ftdi_set_usbdev (struct ftdi_context *ftdi, struct
libusb_device_handle *usbdev);

Maybe you have a better solution for this one?


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