Header header

# type    : the type of the I/O to controll
# address : 1-base index
# value   : 0 or 1 (for digital)

uint32 type
uint32 address
uint32 value

uint32 TYPE_DI=0
uint32 TYPE_DO=1
uint32 TYPE_RI=2
uint32 TYPE_RO=3
uint32 TYPE_FLAG=4