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RE: Accessing Hardware
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RE: Accessing Hardware


  • Subject: RE: Accessing Hardware
  • From: "Bill Judd" <email@hidden>
  • Date: Tue, 14 Aug 2001 11:41:49 -0700

Roger, et. al.,

> -----Original Message-----
> From: Roger Smith [mailto:email@hidden]
> Sent: Tuesday, August 14, 2001 11:21 AM
> To: Bill Judd; email@hidden
> Subject: RE: Accessing Hardware
>
>
> This cocoa-dev list is probably the wrong list for these types of
> questions,

Sorry. I thought I was asking Cocoa questions...

> ...you should join the Apple USB mailing list.

OK! I'll move this topic over there.

Also did you
> try the MacOSX USB DDK via:
>
> ftp://ftp.apple.com/developer/Development_Kits/Mac_OS_USB/USB1.8.2
> SDK.pkg.sit
>
> There is an example of talking to an Anchor based USB device. You
> should be able to achieve what you want to do by using the userclient
> API's in your coca App.
>

That's what I want to do. I told you I'm a "cocoa-startup". Point me to an
example of
"..using the userclient API's in your coca App", and I'll go away quietly.

Thanks

Bill Judd

>
> Roger
>
> At 10:38 AM -0700 8/14/01, Bill Judd wrote:
> >Roger,
> >
> >I want to access a USB device, based on the Cypress / AnchorChips EZ-USB
> >chip, such as described in Apple's document "Working With USB Device
> >Interfaces". Could the example code, starting on page 11 of
> that document,
> >be implemented as a Cocoa app? Or could the example, as is, be
> wrapped by a
> >Cocoa front-end? A simple goal for my project would be a single-document
> >app showing three buttons, "1", "2", and "3". Clicking on a button would
> >cause a USB Bulk OUT transfer of the corresponding numeric value
> to the USB
> >device.
> >
> >Thanks
> >
> >Bill
> >
> >Bill Judd
> >Staff Applications Engineer, USBApps,
> >Cypress Semiconductor
> >3901 N. First St. M/S 4
> >San Jose, CA 95134
> >V: +1 (408) 545-7846
> >F: +1 (408) 545-6918
> >
> >W: http://www.cypress.com/usb/index.html
> >
> >For USB Technical Support
> > Applications Hotline: +1 (858) 613-7929
> > Applications E-Mail: email@hidden
> >>
> > -----Original Message-----
> >> From: Roger Smith [mailto:email@hidden]
> >> Sent: Tuesday, August 14, 2001 10:09 AM
> >> To: Bill Judd; email@hidden
> >> Subject: Re: Accessing Hardware
> >>
> >>
> >> You have to be more specific in your goal, what is your hardware and
> >> what are you trying to do. Are you writing the driver and App
> >> yourself and need to communicate between them? Are your trying to
> >> talk to a serial port? Depending on your needs there are slightly
> >> different approaches..
> >>
> >>
> >> Roger
> >>
> >> At 9:58 AM -0700 8/14/01, Bill Judd wrote:
> >> >How do you access hardware from Cocoa apps?
> >> >
> >> >Apple's document "Accessing Hardware From Applications"
> >> >(http://developer.apple.com/techpubs/macosx/Kernel/IOKit/DeviceIn
> >> terfaces/Ac
> >> >cessingHardware.pdf) shows how to access hardware by
> >> communicating with the
> >> >kernel.
> >> >
> >> >I'm a Cocoa newbie... or maybe even just a Cocoa wannabe.
> It's not clear
> >> >how to implement what's in Apple's doc in Cocoa. Can
> someone out there
> >> >point the way? Perhaps with some sample code?
> >> >
> >> >Thanks much!
> >> >
> >> >--
> >> >Bill Judd
> >> >Staff Applications Engineer, USBApps,
> >> >Cypress Semiconductor
> >> >3901 N. First St. M/S 4
> >> >San Jose, CA 95134
> >> >V: +1 (408) 545-7846
> >> >F: +1 (408) 545-6918
> >> >
> >> >W: http://www.cypress.com/usb/index.html
> >> >
> >> >For USB Technical Support
> >> > Applications Hotline: +1 (858) 613-7929
> >> > Applications E-Mail: email@hidden
> >> >_______________________________________________
> >> >cocoa-dev mailing list
> >> >email@hidden
> >> >http://www.lists.apple.com/mailman/listinfo/cocoa-dev
> >>
> >>
> >> --
> >> Roger Smith 408-974-8122
> >> Apple Computer, Inc. email@hidden
> >> 6 infinite Loop
> >> MS 306-2HN
> >_______________________________________________
> >cocoa-dev mailing list
> >email@hidden
> >http://www.lists.apple.com/mailman/listinfo/cocoa-dev
>
>
> --
> Roger Smith 408-974-8122
> Apple Computer, Inc. email@hidden
> 6 infinite Loop
> MS 306-2HN


References: 
 >RE: Accessing Hardware (From: Roger Smith <email@hidden>)

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