Re: [Libusb-devel] MSVC build of libftdi-1.0 git

[Xiaofan C. <xia...@gm...>]

On Tue, Aug 30, 2011 at 4:03 AM, Vitali Lovich <vl...@gm...> wrote:

> On Mon, Aug 29, 2011 at 6:38 AM, Xiaofan Chen <xia...@gm...> wrote:
>> I am trying to build libftdi-0.1x and libftdi-1.0 using MSVC2010
>> with the help of CMake.
>>
>> For libftdi-0.1x, the library build is successful.
>>
>> For libftdi-1.0, the library build failed. Maybe this has something
>> to do with the calling convention of libusb-1.0 (default is stdcall).
>> Take note building using MinGW is okay.
>>
>> Error   372     error C2440: 'function' : cannot convert from 'void
>> (__cdecl*)(libusb_transfer *)' to 'libusb_transfer_cb_fn'
>> D:\work\libftdi\libftdi-1.0\src\ftdi.c  1417    1       ftdi-static
>> Error   376     error C2440: 'function' : cannot convert from 'void
>> (__cdecl*)(libusb_transfer *)' to 'libusb_transfer_cb_fn'
>> D:\work\libftdi\libftdi-1.0\src\ftdi.c  1500    1       ftdi-static
>> Error   806     error C2440: 'function' : cannot convert from 'void
>> (__cdecl*)(libusb_transfer *)' to 'libusb_transfer_cb_fn'
>> D:\work\libftdi\libftdi-1.0\src\ftdi_stream.c   200     1       ftdi-static
>>
>> Any suggestion for the potential fix? Thanks in advance.
>>
>> libftdi-1.0 git tree is here.
>> http://developer.intra2net.com/git/?p=libftdi-1.0;a=summary
>
> Have you tried declaring those callback functions as stdcall explicitly?
>

Thanks. This works. Add LIBUSB_CALL to the function definitions
solved the above problems. Then google helped me to find out
the MSVC replacement of gettimeofday() here.
http://stackoverflow.com/questions/2494356/how-to-use-gettimeofday-or-something-equivalent-with-visual-studio-c-2008

After that, I can build libftdi-1.0 with MSVC (the dll and static lib
and two examples). The two examples seem to work as well.

-- 
Xiaofan