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modbus_rtu_get_rts()					  modbus_rtu_get_rts()

Name
       modbus_rtu_get_rts - get	the current RTS	mode in	RTU

Synopsis
       int modbus_rtu_get_rts(modbus_t *ctx);

Description
       The modbus_rtu_get_rts()	function shall get the current Request To Send
       mode of the libmodbus context ctx. The possible returned	values are:

       • MODBUS_RTU_RTS_NONE

       • MODBUS_RTU_RTS_UP

       • MODBUS_RTU_RTS_DOWN

       This function can only be used with a context using a RTU backend.

Return value
       The function shall return the current RTS mode if successful. Otherwise
       it shall	return -1 and set errno	to one of the values defined below.

Errors
       • EINVAL, the libmodbus backend is not RTU.

See also
       • modbus_rtu_set_rts <modbus_rtu_set_rts.md>

							  modbus_rtu_get_rts()

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<https://man.freebsd.org/cgi/man.cgi?query=modbus_rtu_get_rts&sektion=3&manpath=FreeBSD+Ports+15.0>

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