NAME

       supply - set output pins with values from parameters (obsolete)

SYNOPSIS

       loadrt supply num_chan=num

DESCRIPTION

       supply was used to allow the inputs of other HAL components to be manipulated for testing purposes.  When
       it  was  written, the only way to set the value of an input pin was to connect it to a signal and connect
       that signal to an output pin of some other component, and then let that component write  the  pin  value.
       supply  was  written  to  be  that  "other component".  It reads values from parameters (set with the HAL
       command setp) and writes them to output pins.

       Since supply was written, the setp command has been modified to allow it to set unconnected pins as  well
       as  parameters.   In addition, the sets command was added, which can directly set HAL signals, as long as
       there are no output pins connected to them.  Therefore, supply is obsolete.

       supply supports a maximum of eight channels.  The number of  channels  actually  loaded  is  set  by  the
       num_chan argument when the module is loaded.  If numchan is not specified, the default value is one.

FUNCTIONS

       supply.N.update (uses floating-point)
              Updates output pins for channel N.

PINS

       supply.N.q bit out
              Output bit, copied from parameter supply.N.d.

       supply.N._q bit out
              Output bit, inverted copy of parameter supply.N.d.

       supply.N.variable float out
              Analog output, copied from parameter supply.N.value.

       supply.N._variable float out
              Analog output, equal to -1.0 times parameter supply.N.value.

       supply.N.d bit rw
              Data source for q and _q output pins.

       supply.N.value bit rw
              Data source for variable and _variable output pins.

LinuxCNC Documentation                             2007-01-16                                          SUPPLY(9)