Serial port through USB help
Serial port through USB help
- Subject: Serial port through USB help
- From: Vince Ackerman <email@hidden>
- Date: Mon, 7 May 2007 17:48:26 -0700
My project in a nutshell: I need to control a Pan Tilt Zoom camera
through the USB port. I've got a USB to Serial RS485 device with a
software driver. I plan on controlling the device with 2 wire Pelco
D protocol. I'm a Newbie so pardon the dumb questions.
I've been doing a lot of reading of the Apple Doc's but seem to be
going around in a circle. I'm a bit unclear on where to start: Do I
need to look into writing code that accesses the USB port or since
the USB to serial device is handling the conversion to serial, do I
stay with just coding to write out a serial port and pretend the
serial port is already there...
I'm serial, I don't know where to start.
Could one of you kind sirs please give me a direction to look to get
started? I have some C code to do the Pelco-D protocol but not sure
how to access the pipe out the USB/Serial port.
Thanks
Vince
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