parse block input register

Signed-off-by: Sergei Ianovich <ynvich@gmail.com>
NI1000TK5000 Ohm -> C conversion

Signed-off-by: Sergei Ianovich <ynvich@gmail.com>
check block ops at config time

Signed-off-by: Sergei Ianovich <ynvich@gmail.com>
server registers for inter-block communication

Signed-off-by: Sergei Ianovich <ynvich@gmail.com>