mkSym.tcl

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
###############################################################################
# Copyright (c) 2008-2024 by Altair Engineering, Inc.
# All rights reserved.
#
# Altair Engineering, Inc. makes this software available as part of the Vision
# tool platform.  As long as you are a licensee of the Vision tool platform
# you may make copies of the software and modify it to be used within the
# Vision tool platform, but you must include all of this notice on any copy.
# Redistribution without written permission to any third party, with or
# without modification, is not permitted.
# Altair Engineering, Inc. does not warrant that this software is error free
# or fit for any purpose.  Altair Engineering, Inc. disclaims any liability for
# all claims, expenses, losses, damages and costs any user may incur as a
# result of using, copying or modifying the software.
# =============================================================================
#   @userware
#       Assign Symbols
#   @section
#       Miscellaneous Userware Examples
#   @description
#       Assign a built-in symbol shape to a loaded primitive. The first
#       character of the instance name defines the symbol type.
#   @files
#       mkSym.tcl
#   @tag
#       zdb spice
###############################################################################


# -----------------------------------------------------------------------------
# mkSym - In this example design the cell DIP2X1 can represent a capacitor,
#         diode or a resistor. They are distinguished by the instance name.
#         The first character of the instance name defines the function.
# -----------------------------------------------------------------------------
#
proc mkSym {db} {
    ##
    # Return if the database is empty.
    #
    if {$db == {}} {
        return
    }

    array set _cells {}
    $db foreach module module {
        $db foreach inst $module inst {
            if {[$db oid cname $inst] == "DIP2X1"} {
                set key [string index [$db oid oname $inst] 0]
                lappend _cells($key) $inst
            }
        }
    }

    foreach {key value} [array get _cells] {
        switch -- $key {
            "C" {
                $db load primitive cap CAP
                $db load port p1 inout
                $db load port p2 inout
                $db attr [list primitive cap cap] set @symbol=CAP
                foreach inst $value {
                    $db oper changecellref $inst cap
                }
            }
            "D" {
                $db load primitive diode DIODE
                $db load port p1 inout
                $db load port p2 inout
                $db attr [list primitive diode diode] set @symbol=DIODE
                foreach inst $value {
                    $db oper changecellref $inst diode
                }
            }
            "R" {
                $db load primitive res RES
                $db load port p1 inout
                $db load port p2 inout
                $db attr [list primitive res res] set @symbol=RES
                foreach inst $value {
                    $db oper changecellref $inst res
                }
            }
            default {}
        }
    }
    gui schem regenerate
}


##
# Use gui database runOrRegisterChangedCallback to immediately run
# mkSym
# if we have a database, or otherwise register the proc to be executed after
# the database is available.
#
gui database runOrRegisterChangedCallback mkSym