Operator Reference
write_serial (Operator)
write_serial
— Write to a serial connection.
Signature
write_serial( : : SerialHandle, Data : )
Description
write_serial
writes the characters given in Data
to
the serial device given by SerialHandle
. The data to be
written is passed as a tuple of integers. This allows to write NUL
characters, which would otherwise be interpreted as the end of a
string. write_serial
always waits until all data has been
transmitted, i.e., a timeout for writing cannot be set.
Execution Information
- Multithreading type: reentrant (runs in parallel with non-exclusive operators).
- Multithreading scope: global (may be called from any thread).
- Processed without parallelization.
Parameters
SerialHandle
(input_control) serial →
(handle)
Serial interface handle.
Data
(input_control) integer(-array) →
(integer)
Characters to write (as tuple of integers).
Result
If the parameters are correct and the write to the device was
successful, the operator write_serial
returns the value 2 (
H_MSG_TRUE)
.
Otherwise an exception is raised.
Possible Predecessors
See also
Module
Foundation