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mosfet_conv.rb
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mosfet_conv.rb
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# Quick and dirty mosfet symbol generator script
# Author: metacollin <metacollin@electropi.mp>
# Date: January 17 2021
# Version: 0.1
# === Description ===
# It generates .asy symbol files for n_channel mosfets from spice libs from Infineon
# Dear Infineon: please don't sue me, this will make more people buy your FETs
# === Program Usage ===
# usage: mosfet_conv.rb spice_lib.lib [spice_lib_1.lib ... spice_lib_n.lib]
require 'fileutils'
require 'warning'
Warning.ignore(//, //)
ARGV.each do |arg|
if File.file? arg
library = IO.read(arg).force_encoding("ISO-8859-1").encode("utf-8", replace: nil)
is_pmos = false
if arg["pmos"] == "pmos" or library["p-channel"] == "p-channel"
is_pmos = true
end
if is_pmos == true
polarity = <<~EOF
LINE Normal 16 48 24 48
LINE Normal 48 48 24 44
LINE Normal 48 48 24 52
LINE Normal 24 44 24 52
EOF
else
polarity = <<~EOF
LINE Normal 40 48 48 48
LINE Normal 16 48 40 44
LINE Normal 16 48 40 52
LINE Normal 40 44 40 52
EOF
end
polarity.strip!
parts_L0 = library.scan /\.SUBCKT (.+_L0)\s+drain\s+gate\s+source/
parts_L1 = library.scan /\.SUBCKT (.+_L1)\s+drain\s+gate\s+source(?! Tj)/
parts_L2 = library.scan /\.SUBCKT (.+_L2)\s+drain\s+gate\s+source\s+Tj\s+Tcase/
parts_L2_alt = library.scan /\.SUBCKT (.+)(?<!L[0-3])\s+drain\s+gate\s+source\s+Tj\s+Tcase/
parts_L3 = library.scan /\.SUBCKT (.+_L3)\s+drain\s+gate\s+source\s+Tj\s+Tcase/
unless is_pmos == true
libname = File.basename(arg, ".*")
else
libname = "pmos/#{File.basename(arg, ".*")}"
end
FileUtils.mkdir_p ("#{libname}_symbols")
parts_L2.each do |part|
L2 = <<~EOF
Version 4
SymbolType CELL
LINE Normal 48 48 48 96
LINE Normal 16 80 48 80
#{polarity}
LINE Normal 16 8 16 24
LINE Normal 16 40 16 56
LINE Normal 16 72 16 88
LINE Normal 0 80 8 80
LINE Normal 8 16 8 80
LINE Normal 48 16 16 16
LINE Normal 48 0 48 16
WINDOW 0 56 32 Left 2
WINDOW 3 56 72 Left 2
SYMATTR Value #{part[0]}
SYMATTR Prefix X
SYMATTR ModelFile #{libname}.lib
SYMATTR Description #{is_pmos ? "P" : "N"}-Channel MOSFET transistor
PIN 48 0 NONE 0
PINATTR PinName D
PINATTR SpiceOrder 1
PIN 0 80 NONE 0
PINATTR PinName G
PINATTR SpiceOrder 2
PIN 48 96 NONE 0
PINATTR PinName S
PINATTR SpiceOrder 3
PIN 80 -16 LEFT 8
PINATTR PinName Tj
PINATTR SpiceOrder 4
PIN 80 112 LEFT 8
PINATTR PinName Tcase
PINATTR SpiceOrder 5
EOF
File.open("#{libname}_symbols/#{part[0]}.asy", "w") do |f|
f.write(L2)
end
end
parts_L2_alt.each do |part|
L2_alt = <<~EOF
Version 4
SymbolType CELL
LINE Normal 48 48 48 96
LINE Normal 16 80 48 80
#{polarity}
LINE Normal 16 8 16 24
LINE Normal 16 40 16 56
LINE Normal 16 72 16 88
LINE Normal 0 80 8 80
LINE Normal 8 16 8 80
LINE Normal 48 16 16 16
LINE Normal 48 0 48 16
WINDOW 0 56 32 Left 2
WINDOW 3 56 72 Left 2
SYMATTR Value #{part[0]}
SYMATTR Prefix X
SYMATTR ModelFile #{libname}.lib
SYMATTR Description #{is_pmos ? "P" : "N"}-Channel MOSFET transistor
PIN 48 0 NONE 0
PINATTR PinName D
PINATTR SpiceOrder 1
PIN 0 80 NONE 0
PINATTR PinName G
PINATTR SpiceOrder 2
PIN 48 96 NONE 0
PINATTR PinName S
PINATTR SpiceOrder 3
PIN 80 -16 LEFT 8
PINATTR PinName Tj
PINATTR SpiceOrder 4
PIN 80 112 LEFT 8
PINATTR PinName Tcase
PINATTR SpiceOrder 5
EOF
File.open("#{libname}_symbols/#{part[0]}.asy", "w") do |f|
f.write(L2_alt)
end
end
parts_L3.each do |part|
L3 = <<~EOF
Version 4
SymbolType CELL
LINE Normal 48 48 48 96
LINE Normal 16 80 48 80
#{polarity}
LINE Normal 16 8 16 24
LINE Normal 16 40 16 56
LINE Normal 16 72 16 88
LINE Normal 0 80 8 80
LINE Normal 8 16 8 80
LINE Normal 48 16 16 16
LINE Normal 48 0 48 16
WINDOW 0 56 32 Left 2
WINDOW 3 56 72 Left 2
SYMATTR Value #{part[0]}
SYMATTR Prefix X
SYMATTR ModelFile #{libname}.lib
SYMATTR Description #{is_pmos ? "P" : "N"}-Channel MOSFET transistor
PIN 48 0 NONE 0
PINATTR PinName D
PINATTR SpiceOrder 1
PIN 0 80 NONE 0
PINATTR PinName G
PINATTR SpiceOrder 2
PIN 48 96 NONE 0
PINATTR PinName S
PINATTR SpiceOrder 3
PIN 80 -16 LEFT 8
PINATTR PinName Tj
PINATTR SpiceOrder 4
PIN 80 112 LEFT 8
PINATTR PinName Tcase
PINATTR SpiceOrder 5
EOF
File.open("#{libname}_symbols/#{part[0]}.asy", "w") do |f|
f.write(L3)
end
end
parts_L0.each do |part|
L0 = <<~EOF
Version 4
SymbolType CELL
LINE Normal 48 48 48 96
LINE Normal 16 80 48 80
#{polarity}
LINE Normal 16 8 16 24
LINE Normal 16 40 16 56
LINE Normal 16 72 16 88
LINE Normal 0 80 8 80
LINE Normal 8 16 8 80
LINE Normal 48 16 16 16
LINE Normal 48 0 48 16
WINDOW 0 56 32 Left 2
WINDOW 3 56 72 Left 2
SYMATTR Value #{part[0]}
SYMATTR Prefix X
SYMATTR ModelFile #{libname}.lib
SYMATTR Description #{is_pmos ? "P" : "N"}-Channel MOSFET transistor
PIN 48 0 NONE 0
PINATTR PinName D
PINATTR SpiceOrder 1
PIN 0 80 NONE 0
PINATTR PinName G
PINATTR SpiceOrder 2
PIN 48 96 NONE 0
PINATTR PinName S
PINATTR SpiceOrder 3
EOF
File.open("#{libname}_symbols/#{part[0]}.asy", "w") do |f|
f.write(L0)
end
end
parts_L1.each do |part|
L1 = <<~EOF
Version 4
SymbolType CELL
LINE Normal 48 48 48 96
LINE Normal 16 80 48 80
#{polarity}
LINE Normal 16 8 16 24
LINE Normal 16 40 16 56
LINE Normal 16 72 16 88
LINE Normal 0 80 8 80
LINE Normal 8 16 8 80
LINE Normal 48 16 16 16
LINE Normal 48 0 48 16
WINDOW 0 56 32 Left 2
WINDOW 3 56 72 Left 2
SYMATTR Value #{part[0]}
SYMATTR Prefix X
SYMATTR ModelFile #{libname}.lib
SYMATTR Description #{is_pmos ? "P" : "N"}-Channel MOSFET transistor
PIN 48 0 NONE 0
PINATTR PinName D
PINATTR SpiceOrder 1
PIN 0 80 NONE 0
PINATTR PinName G
PINATTR SpiceOrder 2
PIN 48 96 NONE 0
PINATTR PinName S
PINATTR SpiceOrder 3
EOF
File.open("#{libname}_symbols/#{part[0]}.asy", "w") do |f|
f.write(L1)
end
end
end
end