| GReturn GCALL GCmdD | ( | GCon | g, |
| GCStringIn | command, | ||
| double * | value | ||
| ) |
Wrapper around GCommand that provides the return value of a command parsed into a double.
Use this function to retrieve the full Galil 4.2 range, e.g. for a variable value with fractional data, or the value of an Analog input or Output.
| g | Connection's handle. |
| command | Null-terminated command string to send to the controller. |
| value | Pointer to a double that will be filled with the return value. |
See x_gcommand.cpp for an example.
Definition at line 289 of file gclibo.c.
References G_NO_ERROR, G_SMALL_BUFFER, GCommand(), and vector().
Referenced by commands(), GRecordRate(), and x_gcommand().