89 lines
2.9 KiB
Plaintext
89 lines
2.9 KiB
Plaintext
The MIT License (MIT)
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Copyright (c) 2015 Thomas Stewart
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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Acknowledgements:
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This driver was written by Tom Stewart under the supervision of
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Dr. Tomasz M. Rutkowski in the University of Tsukuba's BCI Laboratory
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http://bci-lab.info/
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Installation:
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The driver was developed using gtec's Linux C API 1.14.02. For it build properly,
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the install.sh supplied with the gtec API needs to have been run which should
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have created the following files:
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/usr/lib/libgusbampapiso.so.1.14.02
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/usr/include/gAPI.h
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/etc/gtec/filter_files/DSPfilter.bin
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/etc/gtec/filter_files/DSPNotchfilter.bin
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To access the USB without being root, you'll need to add yourself to the
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plugdev group and write a udev rule.
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To do that, first check if there is a plugdev group:
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$ groups
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If there isn't already a plugdev group, then add it using:
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$ sudo groupadd plugdev
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Now execute the following:
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$ sudo usermod -a -G plugdev <your-username>
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If you're not sure what your username is, check it with:
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$ whoami
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Next create a file named /etc/udev/rules.d/10-gusbamp-usb.rules
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$ sudo touch /etc/udev/rules.d/10-gusbamp-usb.rules
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And open it with nano editor
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$ sudo nano /etc/udev/rules.d/10-gusbamp-usb.rules
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Now paste the following line into the editor:
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ATTRS{idProduct}=="0001", ATTRS{idVendor}=="153c", MODE="666", GROUP="plugdev"
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The values for idProduct and idVendor should match the ones that show up just
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after you've plugged in the amplifier and executed:
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$ dmesg
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Lastly, be sure to log out and back in.
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Useage:
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The driver gives access to everything in the API with the exception of the channel
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calibration and asynchronous configuration for digital outputs.
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To run multiple gUSBAmps in parallel, use multiple instances of the acquisition server
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and configure each instance as Master / Slave according to gtec's documentation. When
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starting the acquisition, first connect to all the devices then press play on each device
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starting with the master.
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