XRF Spectral Processing
XRF Spectral Processing
Spectrum_Processing.c
combinePreviousSpectra
<code>void combinePreviousSpectra ( volatile STRUCT_READING_DATA* reading, int whatFilter)</code>
getWorkingSpectrumAvgPower
<code>float getWorkingSpectrumAvgPower( volatile STRUCT_READING_DATA* reading)</code>
processMeasurementSpectrum
<code>processMeasurementSpectrum(...)</code>:
- This function gets a float version of the raw data and puts it into a local buffer (on the stack as of now).
- It converts the spectrum to cps/uA.
- Removes escape peaks.
- Does Sum Peak correction.
- Load the reading structure.
getFinalSpectrum_float
<code>void getFinalSpectrum_float(float *spectrum, int numberOfBins)</code>
convertSpectrumToLive_Ev_Ua
<code>convertSpectrumToLive_Ev_Ua(...)</code>
- This function re-bins the spectrum based on the current escale.
removeSpectrumEscapePeak
<code>void removeSpectrumEscapePeak (int numBins, float *spectrum)</code>
fullSpectrumSumPeakCorrection
<code>void fullSpectrumSumPeakCorrection(int numBins, float *spectrum)</code>
Test Code
I am adding a little piece of test code to display the raw spectrum at the end of the reading. To do this I first need to save the raw spectrum into a temp buffer. This is done repeatedly until the trigger is release.
This first piece is done in <code>processMeasurementSpectrum</code> <pre> for (int i = 0; i < SPECTRA_SIZE; i++) tempSpectrum[i] = processedSpectrum[i]; </pre> Now at the end of <code>MakeMeasurement</code> I add a little piece of code to print out the final spectrum. <pre> for (int i = 0; i < SPECTRA_SIZE; i++) s_msg("%d, %f", i, tempSpectrum[i] ); </pre>