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expr:functions:func-serial_read

serial_read()

Reads string type data trough serial COM port and prints it in the output window.

Syntax

serial_read(port, size, timeout);

Parameters

port COM port name. Use string type, e.g. “COM10”.
size Data size limit. Special values are: (optional)
0 - no limit in data size
256 - max value of limit
timeout Timeout value in milliseconds. After time is elapsed, COM port will not read any incoming data. (optional)
Return Value Returned value is string data size. Returned value is integer number.

Example

result = serial_read("COM10", 0);

result:

9

Output:

"PlanetCNC"

See also

expr/functions/func-serial_read.txt · Last modified: 2023/02/15 13:20 by 127.0.0.1

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