Below links (In part) are from this :http://stackoverflow.com/ questions/1841932/how-to-use-the-usb-hid-port-with-objective-c-under- a-mac-environment Seems very helpful: http://developer.apple.com/library/mac/#technotes/tn2187/_index.html Maybe a help...writing device driver (You probably only need to interact with an existing, right?) http://developer.apple.com/hardwaredrivers/customusbdrivers.html rc On Jun 9, 2011, at 4:09 PM, Robert Covington wrote: > Only way I know is through something like a Microchip PIC18F4550 or > 18F2550 and using anything like Oshon Software's PIC18Simulator IDE > with USB routines (BASIC). Haven't done it via Mac USB (haven't > done it the other way either, yet, but I finally have the USB > module for that) > > Not sure if these are a help: > > http://developer.apple.com/library/mac/#samplecode/ > HID_Utilities_Source/Introduction/Intro.html > http://developer.apple.com/hardwaredrivers/customusbdrivers.html > > http://www.usb.org/developers/devclass_docs/HID1_11.pdf > > http://www.colinkraft.com/macusbhid/macusbhid.php > > http://psychtoolbox.org/PTB-2/usb.html > > http://www.oshonsoft.com/pic18usbsupport.html > > rc > > On Jun 9, 2011, at 9:30 AM, Steve wrote: > >> Does anyone on the list have experience with interacting with a >> USB device directly? >> >> I am working with a encrypted credit card reader which functions >> adequately using keyboard emulation, but much more control is >> possible via the USB HID. >> >> thanks >> >> Steve >> >> >> >> -- >> To unsubscribe, send ANY message to: futurebasic- >> unsubscribe@... >> To access the list archives, go to: http://freegroups.net/groups/ >> futurebasic/ >> > > > -- > To unsubscribe, send ANY message to: futurebasic- > unsubscribe@... > To access the list archives, go to: http://freegroups.net/groups/ > futurebasic/ >