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Sponsored By
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Efika 5200B Project
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Capek Robot
in category Robotics
proposed by Kevin Nickels on 26th April 2007 (accepted on 27th April 2006)
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Blog Entry
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 USB-I2C and SRF02 working
posted by Kevin Nickels on 10th July 2007
Since the linux kernel supports the USB-I2C (the FDDI FT232 chip) in the kernel, having it show up as /dev/ttyUSB0 (usually), connecting to the SRF02 was easy. It seems that all the demo programs are for WINDOWS, so I've provided my port of them at http://www.cs.trinity.edu/~knickels/capek/usb_i2c.tgz
The timing is still very non-realtime, but this set just prints stuff to the terminal (using buffered IO at that!). I can see the comm errors when the disk swaps or something. I'll try some timing tests later, but this gets at why I'm not liking Linux for robotics... nonpredictable latency.
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