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2Napkin expects you to have sleeptracker port at /dev/sleeptracker
3
4On linux you'd need to have 'ftdi_sio' kernel module loaded (and usb support,
5of course) and something along these lines in your udev rules:
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7BUS=="usb", SYSFS{product}=="FT232R USB UART", SYSFS{serial}=="********", SYSFS{manufacturer}=="FTDI", KERNEL=="ttyUSB*", SYMLINK="sleeptracker", MODE="660", GROUP="usb"
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9Note, that the I've wiped out the serial number, so that you don't try to use
10mine. Perhaps it will differ, although I have only one device.
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12You can also set the other port name using SLEEPTRACKER_PORT environment
13variable, like
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15env SLEEPTRACKER_PORT=/dev/ttyUSB0 napkin