SSI ABS Encoder

~/linuxcnc-dev/src $ halcmd show all | grep ssi
    29  bit   OUT         FALSE  hm2_7i80.0.ssi.00.data-invalid
    29  bit   OUT          TRUE  hm2_7i80.0.ssi.00.steps
    29  bit   OUT         FALSE  hm2_7i80.0.ssi.00.steps-not
    29  float OUT    0.02197802  hm2_7i80.0.ssi.00.zencoder ==> z-pos-fbss
                         <== hm2_7i80.0.ssi.00.zencoder
    29  bit   RW          FALSE  hm2_7i80.0.ssi.00.clock.invert_output
    29  bit   RW          FALSE  hm2_7i80.0.ssi.00.clock.is_opendrain
    29  float RW            300  hm2_7i80.0.ssi.00.frequency-khz
    29  u32   RW     0x00000002  hm2_7i80.0.ssi.00.timer-number
    29  float RW              1  hm2_7i80.0.ssi.00.zencoder-scalemax
 hm2_7i80.0.ssi.00.clock.invert_output            hm2_7i80.0.gpio.012.invert_output
 hm2_7i80.0.ssi.00.clock.is_opendrain             hm2_7i80.0.gpio.012.is_opendrain

b: (Boolean) No Parameters.
u: (Unsigned)

(float, r/w) hm2_XXXX.N.ssi.MM.<name>.scalemax. The scaling factor for the
channel.

s: (Signed)

(float, r/w) hm2_XXXX.N.ssi.MM.<name>.scalemax. The scaling factor for the channel.

f: (bitField): No parameters.