Am 19.05.2017 13:54 schrieb "Lukasz Sokol" <el.es...@gmail.com>: > > On 19/05/17 11:15, Graeme Geldenhuys wrote: > > On 2017-05-19 00:38, Nikolay Nikolov wrote: > >> windows OS - there are simply no known issues with that under any > >> 64-bit windows version that I know of. ....snip... It won't work > >> from the IDE, though, but compiling your program from the command > >> line, when you want to build a 64-bit .exe shouldn't be hard. > > > > So you are contradicting your self a bit. No known problems, and then > > two paragraphs later... but there is this known problem with the IDE. > > ;-) > > > > > >> Because it is inferior, since it cannot build a 32-bit FPC. > > > > You don't have to build a 32-bit FPC because an official released > > installer exists. So this is no problem at all. But seeing as pretty > > much everything is moving (or already has moved) to 64-bit, why > > bother with 32-bit these days. [referring to desktop and server > > applications - not embedded devices] > > > > Is there a way for native 64bit application to load a 32bit library, > that then can talk to a 32bit USB driver ? > (on Windows)
Drivers (at least kernel mode drivers) must be 64-bit on 64-bit Windows (and also basically every other system I'm aware of). However it's perfectly possible to talk with a 64-bit driver from a 32-bit application. And no, you can't load a 32-library from a 64-bit process. Regards, Sven
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