I am new to USB land and I have some questions if
don't mind.
I have a custom USB device that expects to communicate
using serial IO that I can match using the
IOServiceMatching. I can detect connection / removal
and this all works fine.
I wish to use this device from my own application
only. I am using C and Carbon.
This is where I am confused.
I need to write to the device using a serial baud rate
or 57.6k. Without installing a driver - can I
programatically configure the USB device to
communicate at 57.6k baud and read and write to the
device?
Or do I need a MAC driver for this?
s/MAC/Mac/ ;-)
If you wanted the device to show up as a serial port available to any
client on the system, you'd need a kernel driver. But since you're
just using the device from your own application, you can use the
IOUSBLib APIs to communicate with the device directly, assuming you
know how that device works from a USB perspective.
HTH,
--gc
____________________________________________________________________
Garth Cummings email@hidden
Sr. Software Engineer
Apple Developer Technical Support
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