hemokit alternatives and similar packages
Based on the "Bioinformatics" category.
Alternatively, view hemokit alternatives based on common mentions on social networks and blogs.
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cobot
Computational biology toolkit to collaborate with researchers in constructive protein engineering -
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BlastHTTP
Haskell cabal libary for submission and result retrieval from the NCBI Blast REST webservice -
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EntrezHTTP
Haskell cabal libary for submission and result retrieval from the NCBI Entrez REST webservice -
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Taxonomy
Haskell cabal Taxonomy libary contains tools, parsers, datastructures and visualisation for the NCBI (National Center for Biotechnology Information) Taxonomy datasources. -
StockholmAlignment
Libary containing parsing and visualisation functions and datastructures for Stockholm aligmnent format. -
BioHMM
Libary containing parsing and visualisation functions and datastructures for Hidden Markov Models in HMMER3 format. -
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rank-product
Collects the functions pertaining to finding the rank product of a data set as well as the associated p-value. -
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README
hemokit
Haskell library and tool suite for the Emotiv Epoc EEG, inspired by the Emokit code.
It currently only works on Linux and Windows - patches for other platforms are welcome, they should be trivial.
Download
You can download pre-built binaries here, or build it yourself via cabal install hemokit.
Library Features
- device discovery via hidapi
- decryption of the raw data (one-to-one port from from Emokit)
- convenient access to sensor values, gyro, qualities, battery, and raw data
Programs
Hemokit comes with example programs to
hemokit-dumpprint out the current EEG datahemokit-mousemove the cursor using the gyro
Note that we have to use sudo in most of the cases because the HIDAP-hidraw implementation reads directly from a device file.
hemokit-dump - Examples
hemokit-dump can print EEG data, format it as JSON, serve it via TCP or Websockets, and read from real devices and dump files.
- Output EEG cumulative state for an automatically found device:
sudo hemokit-dump
- Select one of many connected EEGs by serial number:
sudo hemokit-dump --serial SN...GM
- Output only the data the device sends (no cumulative state), and format the output as JSON:
sudo hemokit-dump --mode packets --format json
The --format flag allows you to change the way the output is printed.
The output of --mode state --format spaced is especially easy to work with.
- Instead of from a real device, read data recorded to a file, and serve it via JSON over a TCP server on port
1234:
sudo cat /dev/hidraw1 > encrypted.dump # Dump data to a file
sudo hemokit-dump --from-file encrypted.dump --serial SN...GM --serve 0.0.0.0:1234 --format json
Here you have to specify the serial since HIDAPI is not used to obtain it automatically.
If you prefer a Websockets server over a raw TCP server, use ws://0.0.0.0:1234 instead.
- Output decrypted raw data to stdout:
sudo hemokit-dump --mode raw
- Both print the data from the EEG and store the original data for later use:
sudo cat /dev/hidraw1 | tee >(hemokit-dump --from-file - --serial SN...GM --format json) > encrypted.dump
We use tee and shell process substitution to duplicate the data stream, and tell hemokit-dump to read from - (stdin).
Connecting with other Programs
- To use Hemokit as a data source from OpenVibe, check out the corresponding entry in the Wiki
- To read Hemokit data from Matlab, I recommend publishing the data on a local socket in text format using
hemokit-dump --format spaced --serve 127.0.0.1:1234. Then you can read it with code like:
t = tcpip('127.0.0.1', 1234);
fopen(t)
data = fscanf(t, '%d');