[ COMMAND ] new commands SBASE, SREG, SCHAN
[ COMMAND ] new commands SBASE, SREG, SCHAN

SBASExx changes I2C slave address for current channel to be xx
SREGxx=yy writes yy to register xx
SCHANx changes I2C bus channel(x = 0, 1, 2 or 3)

K4zuki/tempcommand