Hi,

just tried to calibrate our Spikey using the software in the
spikey-calib repository and the current version of the entire Spikey
software stack available on GitHub.

I've executed the script using the following command line:

python calibAll.py station506

The "506" is printed as last three digits of the serial number on the
device, I hope this is what you mean by station id in the guidebook.

After a while the calibration script stops with the following error:

vout   dac    volt = mean +/- sigma  idx
   9     7  0.0195  0.0326  0.00001    0
   9    31  0.0780  0.0747  0.00000    1
   9    63  0.1561  0.1472  0.00000    2
   9    95  0.2341  0.2235  0.00000    3
   9   127  0.3122  0.2997  0.00000    4
   9   159  0.3902  0.3791  0.00000    5
   9   191  0.4683  0.4600  0.00000    6
   9   223  0.5463  0.5403  0.00000    7
   9   255  0.6244  0.6185  0.00000    8
   9   287  0.7024  0.6963  0.00000    9
   9   319  0.7805  0.7733  0.00000   10
   9   351  0.8585  0.8506  0.00000   11
   9   383  0.9366  0.9274  0.00000   12
   9   415  1.0146  1.0047  0.00000   13
   9   447  1.0927  1.0818  0.00000   14
   9   479  1.1707  1.1593  0.00000   15
   9   511  1.2488  1.2363  0.00000   16
   9   543  1.3268  1.3138  0.00001   17
   9   575  1.4049  1.3912  0.00000   18
   9   607  1.4829  1.4678  0.00001   19
   9   639  1.5610  1.5433  0.00000   20
   9   671  1.6390  1.6182  0.00001   21
   9   703  1.7171  1.6915  0.00001   22
   9   735  1.7951  1.7529  0.00001   23
   9   767  1.8732  1.7769  0.00001   24
   9   799  1.9512  1.7790  0.00001   25
   9   831  2.0293  1.7794  0.00000   26
   9   863  2.1073  1.7796  0.00000   27
   9   895  2.1854  1.7799  0.00000   28
   9   927  2.2634  1.7800  0.00000   29
   9   959  2.3415  1.7798  0.00001   30
   9   991  2.4195  1.7797  0.00000   31
   9  1022  2.4951  1.7799  0.00000   32
Left plateau:
f(x) = -0.00034 + 0.95316*x
Right plateau:
g(x) = 1.77921 + 0.00026*x
Calibration Fit (0.39024...1.56097, 5...20):
h(x) = -0.00284 + 0.99227*x
ERROR: lower plateau is not within (0.00000...0.10000V): -0.00034
python: ../spikeyhal/spikeyvoutcalib.cpp:532: virtual bool
spikey2::SpikeyVoutCalib::autoCalibRobust(std::__cxx11::string,
std::__cxx11::string, boost::shared_ptr<spikey2::SpikeyConfig>):
Assertion `false' failed.

I suppose that this is not supposed to happen. Anything I can do to
fix the problem?

Cheers,
Andreas


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