Acqspect is a project mainly written in C, based on the MIT license.
Acquire spectra from an Ocean Optics USB spectrometer
acqspect is a command-line program that acquires a spectrum from an Ocean Optics USB spectrometer and dumps the data in ascii form. Currently, only the USB2000+ spectrometer is supported, but adding support for others, such as the USB4000, should be relatively easy.
libusb-0.1
Edit config.mk to match your local setup. acqspect is installed into the /usr/local namespace by default, and is built for little-endian systems.
Afterwards enter the following command to build and install acqspect (if necessary as root):
make clean installJust run acqspect to acquire a spectrum with an integration time of 100ms (by default). The spectrum is printed on standard output in two-column format. The first column is the wavelength, and the second column is the intensity. When acquiring multiple spectra, the spectra are separated by two blank lines.
Options: -t NUM Set the integration time in microseconds (default 100000) -n NUM Set the number of acquisitions (default 1)
While it is possible to run acqspect in a loop as provided by your shell, the -n option was included on purpose. Each call to acqspect locates the device, downloads calibration parameters, powers up the spectrometer and, after acquisition, powers it down again. Using an external loop would repeat all these steps, whereas use of the -n option only loops the acquisition.
Operating systems
This has been tested to work on linux, and should work on windows using libusb-win32, but is untested. Support for bigendian systems is included, but also untested.
USB2000+
© 2011 S.S.R. Oemrawsingh