Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages

  
 
  

home | help 
modbus_rtu_get_rts_delay()			      modbus_rtu_get_rts_delay()

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 function shall return the current RTS delay in microseconds if success-
     ful.  Otherwise it shall return -1 and set errno to one of the  values  de-
     fined below.

Errors
     * EINVAL, the libmodbus backend is not RTU.

See also
     * modbus_rtu_set_rts_delay <modbus_rtu_set_rts_delay.md>

						      modbus_rtu_get_rts_delay()

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=modbus_rtu_get_rts_delay&sektion=3&manpath=FreeBSD+Ports+15.1.quarterly>

home | help