static RESET_TYPE LINK_reset_in(struct connection_in * in)
{
BYTE resp[1+in->CRLF_size];
if (in->changed_bus_settings > 0) {
--in->changed_bus_settings ;
LINK_set_baud(in); // reset paramters
} else {
LINK_flush(in);
}
if ( BAD(LINK_write(LINK_string("r"), 1, in) || BAD( LINK_read(resp, 1, in))) ) {
LEVEL_DEBUG("Error resetting LINK device");
LINK_slurp(in);
return BUS_RESET_ERROR;
}
switch (resp[0]) {
case 'P':
in->AnyDevices = anydevices_yes;
return BUS_RESET_OK;
case 'N':
in->AnyDevices = anydevices_no;
return BUS_RESET_OK;
case 'S':
return BUS_RESET_SHORT;
default:
LEVEL_DEBUG("bad, Unknown LINK response %c", resp[0]);
LINK_slurp(in);
return BUS_RESET_ERROR;
}
}
static GOOD_OR_BAD LINK_detect_serial(struct connection_in * in)
{
struct port_in * pin = in->pown ;
/* Set up low-level routines */
LINK_setroutines(in);
pin->timeout.tv_sec = Globals.timeout_serial ;
pin->timeout.tv_usec = 0 ;
/* Open the com port */
RETURN_BAD_IF_BAD(COM_open(in)) ;
//COM_break( in ) ;
LEVEL_DEBUG("Slurp in initial bytes");
LINK_slurp( in ) ;
UT_delay(100) ; // based on http://morpheus.wcf.net/phpbb2/viewtopic.php?t=89&sid=3ab680415917a0ebb1ef020bdc6903ad
LINK_slurp( in ) ;
RETURN_GOOD_IF_GOOD( LINK_version(in) ) ;
LEVEL_DEFAULT("LINK detection error");
serial_powercycle(in) ;
LEVEL_DEBUG("Slurp in initial bytes");
LINK_slurp( in ) ;
UT_delay(100) ; // based on http://morpheus.wcf.net/phpbb2/viewtopic.php?t=89&sid=3ab680415917a0ebb1ef020bdc6903ad
LINK_slurp( in ) ;
RETURN_GOOD_IF_GOOD( LINK_version(in) ) ;
LEVEL_DEFAULT("LINK detection error");
COM_close(in) ;
return gbBAD;
}
static GOOD_OR_BAD LINK_readback_data( BYTE * buf, const size_t size, struct connection_in * in)
{
int qmode_extra ;
switch ( in->master.link.qmode ) {
case e_link_t_extra:
qmode_extra = 1 ;
break ;
case e_link_t_unknown:
case e_link_t_none:
default:
qmode_extra = 0 ;
break ;
}
// read back
RETURN_BAD_IF_BAD( LINK_read(buf, size+qmode_extra, in) ) ;
// see if we've yet tested the extra '?' "feature"
if ( in->master.link.qmode == e_link_t_unknown ) {
if ( buf[size] != 0x0D ) {
in->master.link.qmode = e_link_t_extra ;
LINK_slurp(in) ;
} else {
in->master.link.qmode = e_link_t_none ;
}
}
return gbGOOD;
}
static GOOD_OR_BAD LINK_detect_net(struct connection_in * in)
{
struct port_in * pin = in->pown ;
/* Set up low-level routines */
LINKE_setroutines(in);
pin->timeout.tv_sec = 0 ;
pin->timeout.tv_usec = 300000 ;
/* Open the tcp port */
RETURN_BAD_IF_BAD( COM_open(in) ) ;
LEVEL_DEBUG("Slurp in initial bytes");
// LINK_slurp( in ) ;
UT_delay(1000) ; // based on http://morpheus.wcf.net/phpbb2/viewtopic.php?t=89&sid=3ab680415917a0ebb1ef020bdc6903ad
LINK_slurp( in ) ;
// LINK_flush(in);
pin->dev.telnet.telnet_negotiated = needs_negotiation ;
RETURN_GOOD_IF_GOOD( LINK_version(in) ) ;
// second try -- send a break and line settings
LEVEL_DEBUG("Second try -- send BREAK");
COM_flush(in) ;
COM_break(in);
telnet_change(in);
// LINK_slurp( in ) ;
RETURN_GOOD_IF_GOOD( LINK_version(in) ) ;
LEVEL_DEFAULT("LINK detection error");
COM_close(in) ;
return gbBAD;
}
static GOOD_OR_BAD LINK_search_type(struct device_search *ds, struct connection_in * in)
{
char resp[3+in->CRLF_size];
int response_length ;
LEVEL_DEBUG("Test to see if LINK supports the tF0 command");
switch ( in->master.link.tmode ) {
case e_link_t_unknown:
RETURN_BAD_IF_BAD( LINK_write(LINK_string("tF0"), 3, in));
RETURN_BAD_IF_BAD(LINK_read(LINK_string(resp), 2, in));
switch ( resp[0] ) {
case 'F':
in->master.link.tmode = e_link_t_none ;
response_length = 2 ;
break;
default:
in->master.link.tmode = e_link_t_extra ;
response_length = 3 ;
LINK_slurp(in);
break;
}
break ;
case e_link_t_extra:
response_length = 3 ;
break ;
case e_link_t_none:
default:
response_length = 2 ;
break ;
}
//Depending on the search type, the LINK search function
//needs to be selected
//tEC -- Conditional searching
//tF0 -- Normal searching
// Send the configuration command and check response
if (ds->search == _1W_CONDITIONAL_SEARCH_ROM) {
RETURN_BAD_IF_BAD(LINK_write(LINK_string("tEC"), 3, in)) ;
RETURN_BAD_IF_BAD(LINK_read(LINK_string(resp), response_length, in)) ;
if (strstr(resp, "EC") == NULL) {
LEVEL_DEBUG("Did not change to conditional search");
return gbBAD;
}
LEVEL_DEBUG("LINK set for conditional search");
} else {
RETURN_BAD_IF_BAD( LINK_write(LINK_string("tF0"), 3, in));
RETURN_BAD_IF_BAD(LINK_read(LINK_string(resp), response_length, in));
if (strstr(resp, "F0") == NULL) {
LEVEL_DEBUG("Did not change to normal search");
return gbBAD;
}
LEVEL_DEBUG("LINK set for normal search");
}
return gbGOOD ;
}
static void LINK_set_baud(struct connection_in * in)
{
struct port_in * pin = in->pown ;
char * speed_code ;
if ( pin->type == ct_telnet ) {
// telnet pinned at 115200
return ;
}
COM_BaudRestrict( &(pin->baud), B9600, B19200, B38400, B57600, 0 ) ;
LEVEL_DEBUG("to %d",COM_BaudRate(pin->baud));
// Find rate parameter
switch ( pin->baud ) {
case B9600:
COM_break(in) ;
LINK_flush(in);
return ;
case B19200:
speed_code = "," ;
break ;
case B38400:
speed_code = "`" ;
break ;
#ifdef B57600
/* MacOSX support max 38400 in termios.h ? */
case B57600:
speed_code = "^" ;
break ;
#endif
default:
LEVEL_DEBUG("Unrecognized baud rate");
return ;
}
LEVEL_DEBUG("LINK change baud string <%s>",speed_code);
LINK_flush(in);
if ( BAD( LINK_write(LINK_string(speed_code), 1, in) ) ) {
LEVEL_DEBUG("LINK change baud error -- will return to 9600");
pin->baud = B9600 ;
++in->changed_bus_settings ;
return ;
}
// Send configuration change
LINK_flush(in);
// Change OS view of rate
UT_delay(5);
COM_change(in) ;
UT_delay(5);
LINK_slurp(in);
return ;
}
