NAME

       modbus_rtu_get_rts_delay - get the current RTS delay in RTU

SYNOPSIS

       int modbus_rtu_get_rts_delay(modbus_t *ctx);

DESCRIPTION

       The modbus_rtu_get_rts_delay() function shall get the current Request To Send delay period
       of the libmodbus context ctx.

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

RETURN VALUE

       The modbus_rtu_get_rts_delay() function shall return the current RTS delay in microseconds
       if successful. Otherwise it shall return -1 and set errno.

ERRORS

       EINVAL
           The libmodbus backend is not RTU.

SEE ALSO

       modbus_rtu_set_rts_delay(3)

AUTHORS

       Jimmy Bergström <jimmy@ekontroll.com>

       The libmodbus documentation was written by Stéphane Raimbault
       <stephane.raimbault@gmail.com>