add script to generate mini USB type B connector footprint

hardware/lib/footprints/connector_USB-mini-B_wurth-elektronik_651005136521.rb

@@ -0,0 +1,63 @@
+#!/usr/bin/env ruby
+# encoding: utf-8
+# written for ruby 2.1.0
+# generate a footprint (see script for more information)
+require_relative 'element'
+
+# global dimensions
+UNIT = "mm"
+SILKSCREEN = 0.2
+SOLDERMASK = 0.1
+CLEARANCE = 0.4
+
+["least","nominal","maximum"].each do |cla|
+  base = File.basename(__FILE__,".rb")
+  name = "#{base}_#{cla[0,1].upcase}.fp"
+  annulus = case cla
+  when "least"
+    0.30
+  when "nominal"
+    0.35
+  when "maximum"
+    0.50
+  end
+  File.open(name,"w") do |fp|
+    # put some information
+    fp.puts "# footprint for a USB mini-B socket"
+    fp.puts "# manufacturer: Wurth Elektronik"
+    fp.puts "# part number: 651005136521"
+    fp.puts "# datasheet: http://katalog.we-online.de/em/datasheet/651005136521.pdf"
+    fp.puts "# class: #{cla}"
+
+    # define element
+    # center is pin 3
+    fp.puts element("Element",["","USB mini-B","","Wurth Elektronik 651005136521",:"0",:"0",:"0",:"0",:"0",:"100",""])
+    fp.puts "("
+
+    # outline
+    bottom = -0.9+1.2/2
+    top = bottom-3.15-4.65-1.2/2
+    left = -7.7/2
+    right = 7.7/2
+    fp.puts element("ElementLine",[left,top,right,top,SILKSCREEN])
+    fp.puts element("ElementLine",[right,top,right,bottom,SILKSCREEN])
+    fp.puts element("ElementLine",[right,bottom,left,bottom,SILKSCREEN])
+    fp.puts element("ElementLine",[left,bottom,left,top,SILKSCREEN])
+
+    # mount/shield holes
+    fp.puts element("Pin",[-(8.2-0.9)/2,-4.65-0.9,1.6+annulus,CLEARANCE,1.6+annulus+SOLDERMASK,1.6,"SHIELD","6",""])
+    fp.puts element("Pin",[(8.2-0.9)/2,-4.65-0.9,1.6+annulus,CLEARANCE,1.6+annulus+SOLDERMASK,1.6,"SHIELD","6",""])
+    fp.puts element("Pin",[-(8.2-0.9)/2,-0.9,1.6+annulus,CLEARANCE,1.6+annulus+SOLDERMASK,1.6,"SHIELD","6",""])
+    fp.puts element("Pin",[(8.2-0.9)/2,-0.9,1.6+annulus,CLEARANCE,1.6+annulus+SOLDERMASK,1.6,"SHIELD","6",""])
+
+    # pin holes
+    fp.puts element("Pin",[1.6,0,0.6+annulus,CLEARANCE,0.6+annulus+SOLDERMASK,0.6,"VBUS","1",""])
+    fp.puts element("Pin",[0.8,-1.2,0.6+annulus,CLEARANCE,0.6+annulus+SOLDERMASK,0.6,"D-","2",""])
+    fp.puts element("Pin",[0,0,0.6+annulus,CLEARANCE,0.6+annulus+SOLDERMASK,0.6,"D+","3",""])
+    fp.puts element("Pin",[-0.8,-1.2,0.6+annulus,CLEARANCE,0.6+annulus+SOLDERMASK,0.6,"ID","4",""])
+    fp.puts element("Pin",[-1.6,0,0.6+annulus,CLEARANCE,0.6+annulus+SOLDERMASK,0.6,"GND","5",""])
+
+    # end of element
+    fp.puts ")"
+  end
+end