gdiag -wink
Blinks 2 LEDs (each off a different clock) on all present boards
in sequence from Board 0 to Board 7
Tests cPCI board numbering, cPCI clock, and ADC clock
gdiag -patt
Runs pattern accumulation test across spectrometer boards
Tests FPGA logic, clock presence, and board synchronization
gdiag -scope
Oscilloscope mode displaying 4 inputs to spectrometer board
gdiag -rfft
Computes FFT in software on CPU board from real ADC samples
gdiag -cfft
Computes FFT in software on CPU board from complex ADC samples