// bus locking at a higher level
GOOD_OR_BAD DS2480_detect(struct port_in *pin)
{
struct connection_in * in = pin->first ;
if (pin->init_data == NULL) {
LEVEL_DEFAULT("DS2480B-based bus master needs a port name");
return gbBAD;
}
/* Set up low-level routines */
DS2480_setroutines(in);
in->overdrive = 0 ;
in->flex = Globals.serial_flextime ;
pin->busmode = bus_serial;
// Now set desired baud and polarity
// BUS_reset will do the actual changes
in->master.serial.reverse_polarity = Globals.serial_reverse ;
COM_set_standard( in ) ; // standard COM port settings
// first pass with hardware flow control
RETURN_GOOD_IF_GOOD( DS2480_detect_serial(in) ) ;
pin->flow = flow_second; // flow control
RETURN_BAD_IF_BAD(COM_change(in)) ;
return DS2480_detect_serial(in) ;
}
// bus locking done at a higher level
GOOD_OR_BAD LINK_detect(struct port_in *pin)
{
struct connection_in * in = pin->first ;
if (pin->init_data == NULL) {
// requires input string
LEVEL_DEFAULT("LINK busmaster requires port name");
return gbBAD;
}
COM_set_standard( in ) ; // standard COM port settings
switch( pin->type ) {
case ct_telnet:
// LinkHub-E
pin->baud = B115200 ;
LEVEL_DEBUG("Attempt connection to networked LINK at 115200 baud");
RETURN_GOOD_IF_GOOD( LINK_detect_net( in ) );
// Xport or ser2net
pin->baud = B9600 ;
LEVEL_DEBUG("Attempt connection to networked LINK at 9600 baud");
RETURN_GOOD_IF_GOOD( LINK_detect_net( in ) );
break ;
case ct_serial:
pin->baud = B9600 ;
pin->flow = flow_first ;
RETURN_GOOD_IF_GOOD( LINK_detect_serial(in) ) ;
LEVEL_DEBUG("Second attempt at serial LINK setup");
pin->flow = flow_second ;
RETURN_GOOD_IF_GOOD( LINK_detect_serial(in) ) ;
LEVEL_DEBUG("Third attempt at serial LINK setup");
pin->flow = flow_first ;
RETURN_GOOD_IF_GOOD( LINK_detect_serial(in) ) ;
LEVEL_DEBUG("Fourth attempt at serial LINK setup");
pin->flow = flow_second ;
RETURN_GOOD_IF_GOOD( LINK_detect_serial(in) ) ;
break ;
default:
return gbBAD ;
}
return gbBAD ;
}
// no bus locking here (higher up)
GOOD_OR_BAD DS9097_detect(struct port_in *pin)
{
struct connection_in * in = pin->first ;
/* Set up low-level routines */
DS9097_setroutines(in);
in->Adapter = adapter_DS9097;
// in->adapter_name already set, to support HA3 and HA4B
pin->busmode = bus_passive; // in case initially tried DS9097U
/* open the COM port in 9600 Baud */
COM_set_standard( in ) ; // standard COM port settings
pin->vmin = 1; // minimum chars
pin->vtime = 0; // decisec wait
if (pin->init_data == NULL) {
LEVEL_DEFAULT("DS9097 (passive) busmaster requires port name");
return gbBAD;
}
RETURN_BAD_IF_BAD(COM_open(in)) ;
pin->flow = flow_first; // flow control
switch( DS9097_reset_in(in) ) {
case BUS_RESET_OK:
case BUS_RESET_SHORT:
return gbGOOD ;
default:
break ;
}
if ( GOOD(serial_powercycle(in)) ) {
switch( DS9097_reset_in(in) ) {
case BUS_RESET_OK:
case BUS_RESET_SHORT:
return gbGOOD ;
default:
break ;
}
}
/* open the COM port in 9600 Baud */
/* Second pass */
pin->flow = flow_second ;
RETURN_BAD_IF_BAD(COM_change(in)) ;
switch( DS9097_reset_in(in) ) {
case BUS_RESET_OK:
case BUS_RESET_SHORT:
return gbGOOD ;
default:
break ;
}
/* open the COM port in 9600 Baud */
/* Third pass, hardware flow control */
pin->flow = flow_first ;
RETURN_BAD_IF_BAD(COM_change(in)) ;
switch( DS9097_reset_in(in) ) {
case BUS_RESET_OK:
case BUS_RESET_SHORT:
return gbGOOD ;
default:
break ;
}
return gbBAD ;
}