52 lines
1.9 KiB
Ruby
Executable File
52 lines
1.9 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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# encoding: utf-8
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# written for ruby 2.1.0
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# generate a footprint (see script for more information)
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require_relative 'element'
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# global dimensions
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UNIT = "mm"
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SILKSCREEN = 0.2
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SOLDERMASK = 0.075
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CLEARANCE = 0.4
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name = File.basename(__FILE__,".rb")+".fp"
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File.open(name,"w") do |fp|
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# put some information
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fp.puts "# footprint for Silabs CP2108 QFN64"
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fp.puts "# manufacturer: Silicon Laboratories"
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fp.puts "# part number: CP2108-B01-GM"
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fp.puts "# datasheet: http://www.silabs.com/Support%20Documents/TechnicalDocs/CP2108.pdf"
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# define element
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# center is center of device
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fp.puts element("Element",["","CP2108 QFN64","","Silabs CP2108",:"0",:"0",:"0",:"0",:"0",:"100",""])
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fp.puts "("
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# outline
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top = -9.0/2
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bottom = 9.0/2
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left = -9.0/2
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right = 9.0/2
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fp.puts element("ElementLine",[left,top,right,top,SILKSCREEN])
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fp.puts element("ElementLine",[right,top,right,bottom,SILKSCREEN])
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fp.puts element("ElementLine",[right,bottom,left,bottom,SILKSCREEN])
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fp.puts element("ElementLine",[left,bottom,left,top,SILKSCREEN])
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# pin 1 hole
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fp.puts element("ElementArc",[-9.0/2+1.0,-9.0/2+1.0,0.25,0.25,:"0",:"360",SILKSCREEN])
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# pads
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16.times do |i|
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fp.puts element("Pad",[-8.90/2-0.85/2+0.30/2,-0.50*7.5+0.50*i,-8.90/2+0.85/2-0.30/2,-0.50*7.5+0.50*i,0.30,CLEARANCE,0.30+2*SOLDERMASK,"","#{i+1}",i==0 ? "square" : ""])
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fp.puts element("Pad",[8.90/2-0.85/2+0.30/2,-0.50*7.5+0.50*i,8.90/2+0.85/2-0.30/2,-0.50*7.5+0.50*i,0.30,CLEARANCE,0.30+2*SOLDERMASK,"","#{48-i}",""])
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fp.puts element("Pad",[-0.50*7.5+0.50*i,-8.90/2+0.85/2-0.30/2,-0.50*7.5+0.50*i,-8.90/2-0.85/2+0.30/2,0.30,CLEARANCE,0.30+2*SOLDERMASK,"","#{64-i}",""])
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fp.puts element("Pad",[-0.50*7.5+0.50*i,8.90/2-0.85/2+0.30/2,-0.50*7.5+0.50*i,8.90/2+0.85/2-0.30/2,0.30,CLEARANCE,0.30+2*SOLDERMASK,"","#{i+17}",""])
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fp.puts element("Pad",[0,0,0,0,4.25,CLEARANCE,0.30+2*SOLDERMASK,"","#{i+17}","square"])
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end
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# end of element
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fp.puts ")"
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end
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