def copyFCALRegisters():
# copy FCAL values to active registers
# 237[1:0] to 47[1:0]
# 236[7:0] to 46[7:0]
# 235[7:0] to 45[7:0]
# 47[7:2] = 000101b
# start with 237
# mask out bits
newBits = readRegister5338(237) & 0x03
# write new reg 47 (setting 47[7:2] to 000101b
writeRegister5338(47,(5 << 2) | newBits)
# copy reg236 to reg46
writeRegister5338(46,readRegister5338(236))
# copy reg235 to reg45
writeRegister5338(45,readRegister5338(235))
# set PLL to FCAL values
writeRegister5338(49,setBit(readRegister5338(47),7))
def initiateLockingOfPLL():
# initiate locking of PLL
writeRegister5338(246,setBit(readRegister5338(246),1))
def pauseLOL():
# pause LOL
writeRegister5338(241,setBit(readRegister5338(241),7))
def disableOutputs():
# disable outputs
writeRegister5338(230,setBit(readRegister5338(230),4))
