### set_nimo ###
Select the output signal from NIM out ports.
set_nimo [ip] [signal] [nim port]
signal
 0 : mtx3d
 1 : mtx2d
 2 : TOF OR
 3 : Clusterd FBH OR
 4 : CH OR
 5 : FBH coin OR
 6 : Busy DAQ
nim port
 1 : NIM1
 2 : NIM2
 3 : NIM3
 4 : NIM4

### load_matrix2d ###
Read the bit pattern file for 2D matrix and send registers to FPGA

### load_matrix3d ###
Read the bit pattern file for 3D matrix and send registers to FPGA

### reconfig_fpga ###
Reconfig FPGA from SPI flash memory on the board.
