add general project files

pcb/Rakefile

@@ -0,0 +1,125 @@
+require 'rake/clean'
+
+# =================
+# project variables
+# =================
+
+# main name used if filename
+target = "led-controller"
+# schema
+sch = "#{target}.sch"
+# project version, read from "version" file
+version = IO.read("version").chomp
+# current date for stamping output
+date = Time.now.strftime("%Y-%m-%d")
+# schematic revision, based on the number of schematic commits)
+sch_rev = `git log --pretty=oneline "#{sch}" | wc -l`.chomp.to_i
+# schema name with version and revition
+vsch = "#{target}_v#{version}.#{sch_rev.to_s.rjust(3,'0')}.sch"
+
+# ==========
+# main tasks
+# ==========
+
+task :default => [:version,:print,:notes]
+
+desc "set version in schematic"
+task :version => vsch
+CLEAN.include(vsch)
+CLOBBER.include("#{target}_*.sch")
+
+desc "print schematic (as pdf)"
+task :print => "#{target}_schematic.pdf"
+CLEAN.include("#{target}_schematic.pdf")
+
+desc "export notes from schematic"
+task :notes => "notes.txt"
+CLOBBER.include("notes.txt")
+
+desc "verify schematic attributes"
+task :verify => vsch do |t|
+  ["value","footprint"].each do |attribute|
+    bom2(t.prerequisites[0],attribute).each do |data|
+      next unless data[attribute]=="unknown"
+      puts "#{attribute}s not defined for #{data[:refdes]*','}"
+    end
+  end
+  uniq = true
+  numbered = true
+  bom2(t.prerequisites[0],"refdes").each do |data|
+    uniq &= data[:refdes].size==1
+    numbered &= !data["refdes"].include?("?")
+  end
+  puts "not all refdes uniq" unless uniq
+  puts "not all refdes numbered" unless numbered
+end
+
+# ================
+# helper functions
+# ================
+
+# generate gnetlist bom2 and parse them
+# arguments: schematic=schematic to usse, attributes=the attributs to use for generating bom2
+# return [{:refdes => [refdes of component], <attributes> => text of attributes}]
+def bom2(schematic, attributes)
+  to_return = []
+  # force attributes to be an array
+  attributes = case attributes.class
+  when String
+   [attributes]
+  when Array
+    attributes
+  else
+    [attributes.to_s]
+  end
+  # create gnetlist backend
+  File.open("attribs","w") do |attribs|
+    attributes.each do |attribute|
+      attribs.puts attribute
+    end
+  end
+  # generate bom2
+  list = `gnetlist -g bom2 -q -o - #{schematic}`
+  # parse bom2
+  regex = /^(?<refdes>(\w+,?)+):(?<attributes>.*):(?<qty>\d+)$/
+  list.each_line do |line|
+    next unless line =~ regex
+    data = line.match regex
+    hash = {refdes: data[:refdes].split(',')}
+    attributes.each_index do |i|
+      hash.merge!({attributes[i] => data[:attributes].split(':')[i]})
+    end
+    to_return << hash
+  end
+  return to_return
+end
+CLEAN.include("attribs")
+
+# ===============
+# file generation
+# ===============
+
+file vsch => sch do |t|
+  sh "cp #{t.prerequisites.join(' ')} #{t.name}"
+  # on \ is to prevent ruby interpreting it, th other is for sed
+  # the version
+  sh "sed -i 's/\\(version=\\)\\$Version\\$/\\1#{version}/' #{vsch}"
+  # the date
+  sh "sed -i 's/\\(date=\\)\\$Date\\$/\\1#{date}/' #{vsch}"
+  # the revision
+  sh "sed -i 's/\\(revision=\\)\\$Revision\\$/\\1#{sch_rev}/' #{vsch}"
+end
+
+file "#{target}_schematic.pdf" => vsch do |t|
+  sh "gaf export -f pdf -c -o #{t.name} #{t.prerequisites.join(' ')} 2> /dev/null"
+end
+
+file "notes.txt" => vsch do |t|
+  notes_data = bom2(t.prerequisites[0],"note")
+  File.open(t.name,"w") do |notes_file|
+    notes_data.each do |note|
+      next if note["note"]=="unknown"
+      notes_file.puts "#{note[:refdes]*','}:\n#{note["note"]}\n\n"
+    end
+  end
+end

pcb/gafrc

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+; .sch gEDA configuration file
+(define library "lib")
+(component-library (build-path library "symbols"))
+(component-library (build-path library "footprints"))

pcb/gschemrc

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+; gschem configuration file
+(paper-size 11.69 8.27) ; A4
+;(output-color "enabled") ; for color postscript output (black background)

pcb/projectrc

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+# gEDA gsch2pcb configuration file
+schematics led-controller.sch
+elements-dir ./lib/footprints
+output-name led-controller
+skip-m4

pcb/version

@@ -0,0 +1 @@
+0