@param str (string) String to be written to the serial port.

Writes a string to the serial port. The string is allowed to contain any character, including 0.

@status current Introduced in 2.3.10

Parameters

none

Return value

none

@param num (optional): maximum number of bytes to read. If non-zero, serialRead will read up to num characters from the buffer. If 0 or left out, serialRead will read up to and including the first newline character or the end of the buffer. Note that the returned string may not end in a newline if this character is not present in the buffer.

Reads characters from the serial port. The string is allowed to contain any character, including 0.

@status current Introduced in 2.3.8

Parameters

none

Return value

• str string. Empty if no new characters were available.

@status current Introduced in 2.9.0

Parameters

• port_nr: valid values are only 0 and 1 on radios that have SWSERIALPOWER defined

  • 0 - first serial port, e.g. on TX16S AUX1

  • 1 - second serial port, e.g. on TX16S AUX2

Return value

• value: true for power enabled, false for power disabled.

• nil serial port power control not available

Set baudrate for serial port(s) affected to LUA

@status current Introduced in 2.3.12

Parameters

baudrate Desired baudrate

Return value

none

@status current Introduced in 2.9.0

Parameters

• port_nr: valid values are only 0 and 1 on radios that have SWSERIALPOWER defined

  • 0 - first serial port, e.g. on TX16S AUX1

  • 1 - second serial port, e.g. on TX16S AUX2

• value:

  • 0 - disable power

  • 1 - enable power

Return value

• success: true/false