18 program provides control of the
20 installed with the given control
25 is usually of the form
26 .Pa /dev/digi Ns Ar N Ns Pa .ctl
29 is the card number and starts at 0 for the first attached card.
31 The following flags are recognized:
32 .Bl -tag -xwidth ".Fl d Ar debug"
34 If the driver has been compiled with
36 defined, the following bits from the
38 variable are used to enable diagnostics in the digiboard driver:
39 .Bl -tag -xwidth ".No 1024 ( Em MODEM )"
41 Diagnostics during card attach, detach and initialization.
43 Diagnostics when opening a port.
45 Diagnostics when closing a port.
47 Diagnostics when setting tty device flags.
49 Diagnostics when processing card events.
51 Reports return values from port reads.
53 Reports return values from port writes.
55 Reports receive queue flow control.
57 Reports transmit queue flow control.
59 Diagnostics during interrupts (enable these with care).
61 Diagnostics when setting modem status flags.
63 Reports when a RING is received.
66 Display the card identification string and type ID.
68 Reinitialize the card.
69 For boards with external port modules, it is possible to add or remove
70 modules and dynamically reprobe the number of ports using this switch.
71 All ports on the card must be closed in order to reinitialize the card.
73 It is preferable to reinitialize the card rather than reload the entire
74 digi module as reinitialization only affects the specified board rather
75 than affecting all attached boards.
78 It should be possible to reinitialize a board without closing all of the
83 command first appeared in