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expr:functions:func-serial_readdata

serial_readata()

Reads byte data trough serial COM port and prints it at the output window.

Syntax

serial_red(port, size, timeout);

Parameters

port COM port name. Use string type, e.g. “COM10”.
size Data size limit to be read. 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 data size. Returned value is integer number.

Example

result = serial_readdata("COM10", 0);

result:

8

Output:

0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88

See also

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

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