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MODBUS_RTU_GET_RTS(3)	       libmodbus Manual		 MODBUS_RTU_GET_RTS(3)

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:

       o   MODBUS_RTU_RTS_NONE

       o   MODBUS_RTU_RTS_UP

       o   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.

ERRORS
       EINVAL
	   The libmodbus backend is not	RTU.

SEE ALSO
       modbus_rtu_set_rts(3)

AUTHORS
       The libmodbus documentation was written by StA(C)phane Raimbault
       <stephane.raimbault@gmail.com>

libmodbus v3.1.6		  08/10/2020		 MODBUS_RTU_GET_RTS(3)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | SEE ALSO | AUTHORS

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