From 2237de33db047b43c8da84a2abe26eb3e3fe6cbe Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sat, 9 Sep 2017 08:33:30 +0200
Subject: wip: Parsing schematics.

---
 .gitignore                          |    6 +
 src/ee/__init__.py                  |    5 +-
 src/ee/formatting/__init__.py       |    1 -
 src/ee/kicad/__init__.py            |  238 ++++
 test/parser/foo.pro                 |   63 +
 test/parser/foo.sch                 | 2663 +++++++++++++++++++++++++++++++++++
 test/parser/parser-demo-1-cache.lib |   47 +
 test/parser/parser-demo-1.kicad_pcb |    1 +
 test/parser/parser-demo-1.pro       |   60 +
 test/parser/parser-demo-1.sch       |   68 +
 test/test_sch.py                    |   34 +
 11 files changed, 3182 insertions(+), 4 deletions(-)
 create mode 100644 test/parser/foo.pro
 create mode 100644 test/parser/foo.sch
 create mode 100644 test/parser/parser-demo-1-cache.lib
 create mode 100644 test/parser/parser-demo-1.kicad_pcb
 create mode 100644 test/parser/parser-demo-1.pro
 create mode 100644 test/parser/parser-demo-1.sch
 create mode 100644 test/test_sch.py

diff --git a/.gitignore b/.gitignore
index 074e9f9..a394db4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,9 @@ ee.egg-info
 demo/*/*.net
 demo/*/*.raw
 demo/*/*.log
+
+.tox
+.ipynb*/
+
+# KiCAD
+*.bak
diff --git a/src/ee/__init__.py b/src/ee/__init__.py
index e5519f8..b1b825b 100644
--- a/src/ee/__init__.py
+++ b/src/ee/__init__.py
@@ -1,12 +1,11 @@
 import numpy as np
 
 __all__ = [
-    'EeError',
+    'EeException',
     'read_ltspice_raw'
 ]
 
-
-class EeError(Exception):
+class EeException(Exception):
     pass
 
 
diff --git a/src/ee/formatting/__init__.py b/src/ee/formatting/__init__.py
index 32eaf64..33673a1 100644
--- a/src/ee/formatting/__init__.py
+++ b/src/ee/formatting/__init__.py
@@ -1,5 +1,4 @@
 import math
-from ee import EeError
 
 __all__ = [
     'e6', 'e12', 'e24', 'e48', 'e96', 'e192',
diff --git a/src/ee/kicad/__init__.py b/src/ee/kicad/__init__.py
index e69de29..9f6394d 100644
--- a/src/ee/kicad/__init__.py
+++ b/src/ee/kicad/__init__.py
@@ -0,0 +1,238 @@
+import re
+from ee import EeException
+import shlex
+from typing import List
+
+class Position(object):
+  def __init__(self, x, y):
+    self._x = x
+    self._y = y
+
+  @property
+  def x(self):
+    return _x
+
+  @property
+  def y(self):
+    return _y
+
+class ComponentField(object):
+  names = ["Name", "Reference", "Value", "Footprint", "Datasheet"]
+  def __init__(self, index, name, value, position):
+    self._index = index
+    self._name = name if index >= len(ComponentField.names) else ComponentField.names[index]
+    self._value = value
+    self._position = position
+
+  @property
+  def name(self):
+    return self._name
+
+  @property
+  def value(self):
+    return self._value
+
+  @property
+  def position(self):
+    return self._position
+
+class Component(object):
+  def __init__(self, position, timestamp, library, name, unit, ref, fields):
+    self._position = position
+    self._timestamp = timestamp
+    self._library = library
+    self._name = name
+    self._unit = unit
+    self._ref = ref
+    self._fields = fields # type List[ComponentField]
+
+  @property
+  def unit(self):
+    return self._unit
+
+  @property
+  def ref(self):
+    return self._ref
+
+  @property
+  def fields(self) -> List[ComponentField]:
+    return list(self._fields)
+
+  @property
+  def named_fields(self):
+    return [f for f in self._fields if f.name]
+
+class Sheet(object):
+  def __init__(self):
+    self._components = []
+    pass
+
+  @property
+  def components(self):
+    return frozenset(self._components)
+
+  def add_component(self, component):
+    self._components.append(component)
+
+class Library(object):
+  def __init__(self, name):
+    self.name = name
+
+class Schematic(object):
+  def __init__(self):
+    self._libraries = set()
+    self._sheets = [Sheet()]
+    pass
+
+  @property
+  def first_sheet(self):
+    return self._sheets[0]
+
+  @property
+  def libraries(self):
+    return frozenset(self._libraries)
+
+  def add_library(self, library):
+    self._libraries.add(Library(library))
+
+  # Getters
+  @property
+  def components(self):
+    a = []
+    for s in self._sheets:
+      for c in s.components:
+        a.append(c)
+    return a
+
+  def get_component(self, ref, unit = 1):
+    for c in self.components:
+      if c.ref == ref and unit == unit:
+        return c
+    
+    raise KeyError("No such component: {}".format(ref))
+
+def read_schematic(path):
+  schematic = Schematic()
+  sheet = None
+
+  def descr_section(lines):
+    print("descr_section: len={}".format(len(lines)))
+    pass
+
+  def comp_section(lines):
+    print("comp_section: len={}".format(len(lines)))
+    timestamp = None
+    position = None
+    library = None
+    name = None
+    unit = None
+    fields = []
+
+    extra_lines = 0
+    for line in lines:
+      if line.startswith((' ', '\t')):
+        parts = line.strip().split(" ")
+        if extra_lines == 0:
+          pass
+        else:
+          # rotation/mirroring, x1, y1, x2, y2
+          pass
+        extra_lines += 1
+      else:
+        parts = shlex.split(line)
+        if len(parts) < 3:
+          raise EeException("Bad component line: {}".format(line))
+
+        if parts[0] == "L" and len(parts) == 3:
+          name = parts[1]
+          ref = parts[2]
+        elif parts[0] == "U" and len(parts) == 4:
+          unit = int(parts[1])
+          # parts[2] == body style
+          timestamp = parts[3]
+        elif parts[0] == "P" and len(parts) == 3:
+          position = Position(int(parts[1]), int(parts[2]))
+        elif parts[0] == "F" and len(parts) >= 10:
+          oritentation = parts[3]
+          pos = Position(int(parts[4]), int(parts[5]))
+          value = parts[2]
+          size = parts[6]
+          attributes = parts[7]
+          justify = parts[8] # One of L, R, C
+          textAttrs = parts[9] # tree characters,
+          # 0: T=top justify, B=bottom justify, C=center
+          # 1: I=italics, N=normal
+          # 2: B=bold, N=normal
+          field_name = parts[10] if len(parts) > 10 else None
+          idx = int(parts[1])
+          if len(fields) != idx:
+            raise EeException("Bad index: {}, expected={}. component={}, line={}".format(idx, len(fields), ref, line))
+          fields.append(ComponentField(idx, field_name, value, pos))
+        else:
+          raise EeException("Bad component field: '{}'".format(line))
+
+    sheet.add_component(Component(position, timestamp, library, name, unit, ref, fields))
+
+  with open(path) as f:
+    header = f.readline()
+    if not "EESchema Schematic File Version" in header:
+      raise EeException("Not a KiCAD schematic file.")
+
+    sheet = schematic.first_sheet
+
+    section_name = None
+    section = []
+
+    seen_end = False
+    while not seen_end:
+      line = f.readline()
+      if not line:
+        break
+
+      line = line.rstrip()
+
+      if section_name:
+        if line.startswith("$End"):
+          print("END SECTION: {}".format(section_name))
+          if section_name == "$Comp":
+            comp_section(section)
+          elif section_name == "$Descr":
+            descr_section(section)
+          else:
+            if line == "$EndSCHEMATIC":
+              seen_end = True
+              break
+          section_name = None
+        else:
+          section.append(line)
+      else:
+        parts = line.split(" ")
+        if line.startswith("EELAYER "):
+          pass # Legacy, ignored
+        elif line.startswith("LIBS:"):
+          schematic.add_library(line[5:])
+        elif line.startswith("$"):
+          section_name = parts[0]
+          print("SECTION: {}".format(section_name))
+          section = []
+        elif line == "Entry Wire Line":
+          f.readline() # ignore the next line for now
+        elif line.startswith("Text Label "):
+          f.readline() # ignore the next line for now
+        elif line.startswith("Text Notes "):
+          f.readline() # ignore the next line for now
+        elif line.startswith("NoConn "):
+          pass
+        elif parts[0:3] == ["Wire", "Notes", "Line"]:
+          f.readline() # ignore the next line for now
+        elif parts[0:3] == ["Wire", "Wire", "Line"]:
+          f.readline() # ignore the next line for now
+        elif parts[0:3] == ["Wire", "Bus", "Line"]:
+          f.readline() # ignore the next line for now
+        elif parts[0:2] == ["Connection", "~"]:
+          pass
+        else:
+          print("line={}, len={}, wat={}".format(line, len(line), parts[0:3]))
+          raise EeException("Bad line: {}".format(line))
+
+    return schematic
diff --git a/test/parser/foo.pro b/test/parser/foo.pro
new file mode 100644
index 0000000..52c16a1
--- /dev/null
+++ b/test/parser/foo.pro
@@ -0,0 +1,63 @@
+update=ti. 29. aug. 2017 kl. 21.41 +0200
+version=1
+last_client=eeschema
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=foo-rescue
+LibName2=power
+LibName3=device
+LibName4=transistors
+LibName5=conn
+LibName6=linear
+LibName7=regul
+LibName8=74xx
+LibName9=cmos4000
+LibName10=adc-dac
+LibName11=memory
+LibName12=xilinx
+LibName13=microcontrollers
+LibName14=dsp
+LibName15=microchip
+LibName16=analog_switches
+LibName17=motorola
+LibName18=texas
+LibName19=intel
+LibName20=audio
+LibName21=interface
+LibName22=digital-audio
+LibName23=philips
+LibName24=display
+LibName25=cypress
+LibName26=siliconi
+LibName27=opto
+LibName28=atmel
+LibName29=contrib
+LibName30=valves
diff --git a/test/parser/foo.sch b/test/parser/foo.sch
new file mode 100644
index 0000000..cfedec7
--- /dev/null
+++ b/test/parser/foo.sch
@@ -0,0 +1,2663 @@
+EESchema Schematic File Version 2
+LIBS:power
+LIBS:device
+LIBS:transistors
+LIBS:conn
+LIBS:linear
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:valves
+LIBS:sweetzpot_misc
+LIBS:mcp6421_mcp6422_mcp6424
+LIBS:mcp6041_mcp6042_mcp6043_mcp6044
+LIBS:sweetzpot_power_symbols
+LIBS:mcp4018
+LIBS:sweetzpot_nrf52832
+LIBS:max30003
+LIBS:em7180sfp
+LIBS:MMBD4148
+LIBS:ASTMKH
+LIBS:TCR2LF
+LIBS:rateboard-2_b-cache
+EELAYER 25 0
+EELAYER END
+$Descr A3 16535 11693
+encoding utf-8
+Sheet 1 1
+Title "SweetZpot Sensor"
+Date "2017-08-04"
+Rev "2_b"
+Comp "SweetZpot AS"
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
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+F 4 "1253-1118-6-ND" H 12900 900 60  0001 C CNN "digikey"
+F 5 "CX2016DB32000D0FLJCC" H 12900 900 60  0001 C CNN "part"
+	1    12900 900 
+	-1   0    0    -1  
+$EndComp
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+Text Label 9650 2700 2    60   ~ 0
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+F 3 "DMP2305U-7.pdf" H 7300 9900 50  0001 C CNN
+F 4 "DMP2305UDIDKR-ND" H 7300 9900 60  0001 C CNN "digikey"
+F 5 "DMP2305U-7" H 7300 9900 60  0001 C CNN "part"
+	1    7300 9900
+	0    -1   -1   0   
+$EndComp
+Text Notes 13400 900  0    60   ~ 0
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+F 1 "VCC" H 7700 9850 50  0000 C CNN
+F 2 "" H 7700 9700 50  0000 C CNN
+F 3 "" H 7700 9700 50  0000 C CNN
+	1    7700 9700
+	1    0    0    -1  
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+F 3 "" H 3200 9250 60  0001 C CNN
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+F 5 "MCP4018T-103E/LT" H 3200 9150 60  0001 C CNN "part"
+	1    3200 9150
+	1    0    0    -1  
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+F 2 "" H 4200 4200 50  0000 C CNN
+F 3 "" H 4200 4200 50  0000 C CNN
+	1    4200 4200
+	-1   0    0    -1  
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+F 1 "GND" H 4800 4850 50  0000 C CNN
+F 2 "" H 4800 5000 50  0000 C CNN
+F 3 "" H 4800 5000 50  0000 C CNN
+	1    4800 5000
+	-1   0    0    -1  
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+F 3 "" H 4200 4650 50  0000 C CNN
+F 4 "490-6310-2-ND" H 4200 4650 60  0001 C CNN "digikey"
+F 5 "GRM155R61C104KA88J" H 4200 4650 60  0001 C CNN "part"
+	1    4200 4650
+	1    0    0    -1  
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+F 3 "" H 5400 4650 50  0000 C CNN
+F 4 "490-10694-2-ND" H 5400 4650 60  0001 C CNN "digikey"
+F 5 "GRM155R61C105KA12D" H 5400 4650 60  0001 C CNN "part"
+	1    5400 4650
+	1    0    0    -1  
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+F 3 "" H 4800 4400 60  0001 C CNN
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+F 5 "TCR2LF18,LM(CT" H 4800 4400 60  0001 C CNN "part"
+	1    4800 4400
+	1    0    0    -1  
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+Text Label 5450 1650 2    60   ~ 0
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+Text Label 11050 4600 1    60   ~ 0
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+F 1 "4.7k" V 11600 6200 50  0000 C CNN
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+F 3 "" H 11600 6200 50  0000 C CNN
+F 4 "311-4.7KJRCT-ND" V 11600 6200 60  0001 C CNN "digikey"
+F 5 "RC0402JR-074K7L" V 11600 6200 60  0001 C CNN "part"
+	1    11600 6200
+	1    0    0    -1  
+$EndComp
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+P 11800 6200
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+F 1 "4.7k" V 11800 6200 50  0000 C CNN
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+F 3 "" H 11800 6200 50  0000 C CNN
+F 4 "311-4.7KJRCT-ND" V 11800 6200 60  0001 C CNN "digikey"
+F 5 "RC0402JR-074K7L" V 11800 6200 60  0001 C CNN "part"
+	1    11800 6200
+	1    0    0    1   
+$EndComp
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+U 1 1 586CF192
+P 11500 5850
+F 0 "#PWR036" H 11500 5800 60  0001 C CNN
+F 1 "VDD_SF" H 11500 6000 60  0000 C CNN
+F 2 "" H 11500 5850 60  0001 C CNN
+F 3 "" H 11500 5850 60  0001 C CNN
+	1    11500 5850
+	1    0    0    -1  
+$EndComp
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+U 1 1 586CFF62
+P 4500 9000
+F 0 "R5" V 4580 9000 50  0000 C CNN
+F 1 "4.7k" V 4500 9000 50  0000 C CNN
+F 2 "Resistors_SMD:R_0402" V 4430 9000 50  0001 C CNN
+F 3 "" H 4500 9000 50  0000 C CNN
+F 4 "311-4.7KJRCT-ND" V 4500 9000 60  0001 C CNN "digikey"
+F 5 "RC0402JR-074K7L" V 4500 9000 60  0001 C CNN "part"
+	1    4500 9000
+	1    0    0    -1  
+$EndComp
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+U 1 1 586CFF6A
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+F 0 "R6" V 4780 9000 50  0000 C CNN
+F 1 "4.7k" V 4700 9000 50  0000 C CNN
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+F 3 "" H 4700 9000 50  0000 C CNN
+F 4 "311-4.7KJRCT-ND" V 4700 9000 60  0001 C CNN "digikey"
+F 5 "RC0402JR-074K7L" V 4700 9000 60  0001 C CNN "part"
+	1    4700 9000
+	1    0    0    -1  
+$EndComp
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+L R R9
+U 1 1 59844FD7
+P 13750 6100
+F 0 "R9" V 13830 6100 50  0000 C CNN
+F 1 "0" V 13750 6100 50  0000 C CNN
+F 2 "Resistors_SMD:R_0603_HandSoldering" V 13680 6100 50  0001 C CNN
+F 3 "" H 13750 6100 50  0000 C CNN
+F 4 "311-0.0GRCT-ND" V 13750 6100 60  0001 C CNN "digikey"
+F 5 "RC0603JR-070RL" V 13750 6100 60  0001 C CNN "part"
+	1    13750 6100
+	1    0    0    -1  
+$EndComp
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+L C C35
+U 1 1 5989A9B7
+P 7600 10050
+F 0 "C35" H 7625 10150 50  0000 L CNN
+F 1 "10u" H 7625 9950 50  0000 L CNN
+F 2 "Capacitors_SMD:C_1206" H 7638 9900 50  0001 C CNN
+F 3 "" H 7600 10050 50  0000 C CNN
+F 4 "1276-1804-1-ND" H 7600 10050 60  0001 C CNN "digikey"
+F 5 "CL31B106KAHNNNE" H 7600 10050 60  0001 C CNN "part"
+F 6 "10%" H 6150 6050 60  0001 C CNN "tolerance"
+F 7 "16V" H 6150 6050 60  0001 C CNN "voltage"
+F 8 "X7R" H 6150 6050 60  0001 C CNN "temp_coeff"
+	1    7600 10050
+	1    0    0    -1  
+$EndComp
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+L GND #PWR037
+U 1 1 5989C350
+P 7600 10300
+F 0 "#PWR037" H 7600 10050 50  0001 C CNN
+F 1 "GND" H 7600 10150 50  0000 C CNN
+F 2 "" H 7600 10300 50  0001 C CNN
+F 3 "" H 7600 10300 50  0001 C CNN
+	1    7600 10300
+	1    0    0    -1  
+$EndComp
+Text Label 8200 10700 2    60   ~ 0
+STRAIN_ENABLE
+$Comp
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+U 1 1 5989F8A7
+P 10700 7500
+F 0 "#FLG038" H 10700 7595 50  0001 C CNN
+F 1 "PWR_FLAG" H 10700 7680 50  0001 C CNN
+F 2 "" H 10700 7500 50  0000 C CNN
+F 3 "" H 10700 7500 50  0000 C CNN
+	1    10700 7500
+	1    0    0    -1  
+$EndComp
+$Comp
+L Q_PMOS_GSD Q2
+U 1 1 5989F8AF
+P 11000 7700
+F 0 "Q2" H 11300 7750 50  0000 R CNN
+F 1 "DMP2305U-7" H 11700 7650 50  0000 R CNN
+F 2 "TO_SOT_Packages_SMD:SOT-23" H 11200 7800 50  0001 C CNN
+F 3 "DMP2305U-7.pdf" H 11000 7700 50  0001 C CNN
+F 4 "DMP2305UDIDKR-ND" H 11000 7700 60  0001 C CNN "digikey"
+F 5 "DMP2305U-7" H 11000 7700 60  0001 C CNN "part"
+	1    11000 7700
+	0    -1   -1   0   
+$EndComp
+$Comp
+L VCC #PWR039
+U 1 1 5989F8B5
+P 11400 7500
+F 0 "#PWR039" H 11400 7350 50  0001 C CNN
+F 1 "VCC" H 11400 7650 50  0000 C CNN
+F 2 "" H 11400 7500 50  0000 C CNN
+F 3 "" H 11400 7500 50  0000 C CNN
+	1    11400 7500
+	1    0    0    -1  
+$EndComp
+$Comp
+L C C36
+U 1 1 5989F8C0
+P 11300 7850
+F 0 "C36" H 11325 7950 50  0000 L CNN
+F 1 "10u" H 11325 7750 50  0000 L CNN
+F 2 "Capacitors_SMD:C_1206" H 11338 7700 50  0001 C CNN
+F 3 "" H 11300 7850 50  0000 C CNN
+F 4 "1276-1804-1-ND" H 11300 7850 60  0001 C CNN "digikey"
+F 5 "CL31B106KAHNNNE" H 11300 7850 60  0001 C CNN "part"
+F 6 "10%" H 9850 3850 60  0001 C CNN "tolerance"
+F 7 "16V" H 9850 3850 60  0001 C CNN "voltage"
+F 8 "X7R" H 9850 3850 60  0001 C CNN "temp_coeff"
+	1    11300 7850
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR040
+U 1 1 5989F8D2
+P 11300 8100
+F 0 "#PWR040" H 11300 7850 50  0001 C CNN
+F 1 "GND" H 11300 7950 50  0000 C CNN
+F 2 "" H 11300 8100 50  0001 C CNN
+F 3 "" H 11300 8100 50  0001 C CNN
+	1    11300 8100
+	1    0    0    -1  
+$EndComp
+Text Label 11600 8500 2    60   ~ 0
+SF_ENABLE
+$Comp
+L VDD_SF #PWR041
+U 1 1 598A09A4
+P 10500 7500
+F 0 "#PWR041" H 10500 7450 60  0001 C CNN
+F 1 "VDD_SF" H 10500 7650 60  0000 C CNN
+F 2 "" H 10500 7500 60  0001 C CNN
+F 3 "" H 10500 7500 60  0001 C CNN
+	1    10500 7500
+	1    0    0    -1  
+$EndComp
+Entry Wire Line
+	10350 4950 10450 5050
+Entry Wire Line
+	8050 3400 8150 3300
+$Comp
+L Q_PMOS_GSD Q3
+U 1 1 598A4293
+P 10500 9700
+F 0 "Q3" H 10800 9750 50  0000 R CNN
+F 1 "DMP2305U-7" H 11200 9650 50  0000 R CNN
+F 2 "TO_SOT_Packages_SMD:SOT-23" H 10700 9800 50  0001 C CNN
+F 3 "DMP2305U-7.pdf" H 10500 9700 50  0001 C CNN
+F 4 "DMP2305UDIDKR-ND" H 10500 9700 60  0001 C CNN "digikey"
+F 5 "DMP2305U-7" H 10500 9700 60  0001 C CNN "part"
+	1    10500 9700
+	0    -1   -1   0   
+$EndComp
+Text Notes 9500 8900 0    100  ~ 20
+Battery
+Entry Wire Line
+	7750 2800 7850 2700
+Text Label 7750 3050 1    60   ~ 0
+HR_BUS
+Text Label 3300 4400 0    60   ~ 0
+HR_ENABLE
+Text Notes 600  5400 0    60   ~ 0
+C14 is current surge protection for the LDO.\n\nC30 and C31 are specified by the LDO.\nCan be ceramic.\n\nC10 is decoupling specified by MAX30003.
+$Comp
+L C C100
+U 1 1 598DD284
+P 1300 1650
+F 0 "C100" H 1325 1750 50  0000 L CNN
+F 1 "1n" H 1325 1550 50  0000 L CNN
+F 2 "Capacitors_SMD:C_0402" H 1338 1500 50  0001 C CNN
+F 3 "" H 1300 1650 50  0001 C CNN
+F 4 "DNI" H 1400 1450 60  0000 C CNN "assembly"
+F 5 "490-11362-1-ND" H 1300 1650 60  0001 C CNN "digikey"
+F 6 "GRM1555C1E1R0BA01D" H 1300 1650 60  0001 C CNN "part"
+	1    1300 1650
+	1    0    0    -1  
+$EndComp
+$Comp
+L C C101
+U 1 1 598DD39A
+P 1600 1450
+F 0 "C101" H 1625 1550 50  0000 L CNN
+F 1 "4.7n" H 1625 1350 50  0000 L CNN
+F 2 "Capacitors_SMD:C_0402" H 1638 1300 50  0001 C CNN
+F 3 "" H 1600 1450 50  0001 C CNN
+F 4 "490-1309-1-ND" H 1600 1450 60  0001 C CNN "digikey"
+F 5 "GRM155R71E472KA01D" H 1600 1450 60  0001 C CNN "part"
+	1    1600 1450
+	1    0    0    -1  
+$EndComp
+$Comp
+L C C102
+U 1 1 598DD494
+P 1600 1950
+F 0 "C102" H 1625 2050 50  0000 L CNN
+F 1 "4.7n" H 1625 1850 50  0000 L CNN
+F 2 "Capacitors_SMD:C_0402" H 1638 1800 50  0001 C CNN
+F 3 "" H 1600 1950 50  0001 C CNN
+F 4 "490-1309-1-ND" H 1600 1950 60  0001 C CNN "digikey"
+F 5 "GRM155R71E472KA01D" H 1600 1950 60  0001 C CNN "part"
+	1    1600 1950
+	1    0    0    -1  
+$EndComp
+$Comp
+L R R100
+U 1 1 598DD947
+P 1050 1200
+F 0 "R100" V 1130 1200 50  0000 C CNN
+F 1 "1M" V 1050 1200 50  0000 C CNN
+F 2 "Resistors_SMD:R_0402" V 980 1200 50  0001 C CNN
+F 3 "" H 1050 1200 50  0001 C CNN
+F 4 "311-1.00MLRCT-ND" V 1050 1200 60  0001 C CNN "digikey"
+F 5 "RC0402FR-071ML" V 1050 1200 60  0001 C CNN "part"
+	1    1050 1200
+	0    1    1    0   
+$EndComp
+$Comp
+L R R101
+U 1 1 598DDAA8
+P 1050 2200
+F 0 "R101" V 1130 2200 50  0000 C CNN
+F 1 "1M" V 1050 2200 50  0000 C CNN
+F 2 "Resistors_SMD:R_0402" V 980 2200 50  0001 C CNN
+F 3 "" H 1050 2200 50  0001 C CNN
+F 4 "311-1.00MLRCT-ND" V 1050 2200 60  0001 C CNN "digikey"
+F 5 "RC0402FR-071ML" V 1050 2200 60  0001 C CNN "part"
+	1    1050 2200
+	0    1    1    0   
+$EndComp
+$Comp
+L GND #PWR042
+U 1 1 598DE7B4
+P 2000 1800
+F 0 "#PWR042" H 2000 1550 50  0001 C CNN
+F 1 "GND" H 2000 1650 50  0000 C CNN
+F 2 "" H 2000 1800 50  0001 C CNN
+F 3 "" H 2000 1800 50  0001 C CNN
+	1    2000 1800
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4100 1650 5500 1650
+Wire Wire Line
+	3800 1650 3800 1750
+Wire Wire Line
+	3500 1650 3800 1650
+Wire Wire Line
+	3300 4400 4300 4400
+Wire Wire Line
+	7850 2700 9650 2700
+Wire Wire Line
+	4800 4800 4800 5000
+Wire Wire Line
+	5400 4900 5400 4800
+Connection ~ 5400 4300
+Connection ~ 4200 4300
+Connection ~ 4800 4900
+Wire Wire Line
+	3900 4900 5700 4900
+Wire Wire Line
+	4200 4900 4200 4800
+Wire Wire Line
+	4200 4200 4200 4500
+Wire Wire Line
+	3900 4300 4300 4300
+Wire Wire Line
+	5400 4200 5400 4500
+Wire Wire Line
+	5300 4300 5700 4300
+Wire Wire Line
+	7300 10100 7300 10700
+Wire Wire Line
+	7700 9800 7700 9700
+Wire Wire Line
+	7500 9800 7700 9800
+Wire Wire Line
+	10550 4250 10550 4950
+Wire Wire Line
+	15500 8100 15850 8100
+Wire Wire Line
+	15000 8200 14650 8200
+Wire Wire Line
+	15850 8200 15500 8200
+Wire Wire Line
+	15500 8300 15850 8300
+Wire Bus Line
+	15950 7700 15950 8300
+Wire Bus Line
+	14550 7700 15950 7700
+Wire Bus Line
+	14550 7700 14550 8200
+Wire Wire Line
+	15000 8300 14900 8300
+Wire Wire Line
+	13650 3250 13650 3200
+Connection ~ 12600 3250
+Connection ~ 7000 9800
+Wire Wire Line
+	6800 9800 7100 9800
+Connection ~ 12900 1100
+Connection ~ 12900 1500
+Wire Wire Line
+	12900 1100 12900 1600
+Wire Wire Line
+	12850 1100 12850 1050
+Wire Wire Line
+	12850 1100 12950 1100
+Wire Wire Line
+	12950 1100 12950 1050
+Wire Wire Line
+	800  3400 800  3800
+Wire Wire Line
+	800  3800 900  3800
+Wire Wire Line
+	800  3900 800  4000
+Wire Wire Line
+	900  3900 800  3900
+Wire Wire Line
+	6450 8550 6200 8550
+Wire Wire Line
+	6450 6400 6450 8550
+Connection ~ 6450 8150
+Connection ~ 5550 8450
+Wire Wire Line
+	5550 8650 5850 8650
+Connection ~ 5550 8150
+Wire Wire Line
+	5550 8450 5850 8450
+Wire Wire Line
+	11400 9600 11400 9500
+Wire Wire Line
+	10650 4250 10650 4950
+Wire Wire Line
+	10450 4950 10450 4250
+Wire Wire Line
+	10350 4250 10350 4950
+Wire Bus Line
+	10300 5050 11400 5050
+Wire Wire Line
+	13600 6750 13850 6750
+Wire Bus Line
+	13250 6450 13250 7000
+Wire Wire Line
+	14350 6750 14800 6750
+Wire Wire Line
+	14350 6650 14800 6650
+Wire Wire Line
+	13350 6650 13850 6650
+Wire Wire Line
+	9850 6650 9750 6650
+Wire Wire Line
+	11250 6750 12000 6750
+Wire Wire Line
+	11250 6650 12000 6650
+Wire Wire Line
+	11250 6550 12000 6550
+Wire Bus Line
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+Wire Wire Line
+	9850 6550 9650 6550
+Wire Notes Line
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+Wire Bus Line
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+Wire Wire Line
+	14900 8100 14900 8000
+Wire Wire Line
+	15000 8100 14900 8100
+Wire Wire Line
+	14900 8300 14900 8400
+Wire Wire Line
+	14600 9400 14200 9400
+Wire Wire Line
+	14200 9000 14600 9000
+Wire Wire Line
+	13550 9400 13300 9400
+Wire Wire Line
+	13300 9000 13550 9000
+Wire Wire Line
+	8150 3300 9650 3300
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+	6800 9750 6800 9800
+Wire Notes Line
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+Wire Wire Line
+	11000 9600 11000 9500
+Wire Wire Line
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+Wire Wire Line
+	13750 6350 13750 6250
+Wire Wire Line
+	13850 6350 13750 6350
+Wire Wire Line
+	11250 4250 11250 4600
+Wire Wire Line
+	13350 6450 13850 6450
+Wire Wire Line
+	13450 6550 13450 6850
+Wire Wire Line
+	13850 6550 13450 6550
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+	12300 5500 12300 9900
+Wire Wire Line
+	14350 6450 15100 6450
+Wire Wire Line
+	14350 6350 15100 6350
+Wire Wire Line
+	14350 6550 15100 6550
+Wire Bus Line
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+Connection ~ 6550 6800
+Wire Wire Line
+	8100 7550 8200 7550
+Wire Wire Line
+	8100 6800 8100 7550
+Wire Wire Line
+	9150 7650 8800 7650
+Wire Wire Line
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+Wire Wire Line
+	8100 8050 9150 8050
+Wire Wire Line
+	8100 7750 8100 8050
+Wire Wire Line
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+Connection ~ 4650 6950
+Wire Wire Line
+	4650 7350 4650 7450
+Wire Wire Line
+	4650 6950 4550 6950
+Wire Wire Line
+	4150 6950 4250 6950
+Wire Bus Line
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+Wire Wire Line
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+	10500 1050 10500 1550
+Wire Wire Line
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+Wire Wire Line
+	10700 1050 10700 1550
+Wire Wire Line
+	10800 1050 10800 1550
+Wire Wire Line
+	10900 1050 10900 1550
+Wire Bus Line
+	5600 1650 5600 2900
+Wire Wire Line
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+Wire Wire Line
+	11950 4250 11950 4400
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+	6100 550  6100 5500
+Wire Notes Line
+	550  5500 15950 5500
+Connection ~ 9250 1400
+Wire Wire Line
+	9500 1200 9250 1200
+Wire Wire Line
+	9500 2600 9500 1200
+Wire Wire Line
+	9650 2600 9500 2600
+Connection ~ 8850 1400
+Wire Wire Line
+	9600 1100 8850 1100
+Wire Wire Line
+	9600 2500 9600 1100
+Wire Wire Line
+	9650 2500 9600 2500
+Connection ~ 9050 1900
+Wire Wire Line
+	9050 2000 9050 1900
+Wire Wire Line
+	8850 1900 9250 1900
+Wire Wire Line
+	9250 1900 9250 1800
+Wire Wire Line
+	8850 1800 8850 1900
+Wire Wire Line
+	9250 1200 9250 1500
+Wire Wire Line
+	9150 1400 9250 1400
+Wire Wire Line
+	8850 1100 8850 1500
+Wire Wire Line
+	8950 1400 8850 1400
+Wire Wire Line
+	12350 2050 12800 2050
+Wire Wire Line
+	12350 1950 12800 1950
+Wire Wire Line
+	12350 2150 12800 2150
+Wire Bus Line
+	12900 1950 12900 2250
+Connection ~ 13950 2450
+Connection ~ 13950 2350
+Connection ~ 13950 2550
+Wire Wire Line
+	14450 2350 14450 2700
+Connection ~ 14200 3750
+Wire Wire Line
+	14450 3750 14450 3000
+Wire Wire Line
+	13950 2550 12350 2550
+Wire Wire Line
+	14200 2450 14200 2700
+Connection ~ 13950 3750
+Wire Wire Line
+	14200 3750 14200 3000
+Wire Wire Line
+	13950 3750 13950 3000
+Wire Wire Line
+	13950 2050 13950 2700
+Connection ~ 13350 3750
+Wire Wire Line
+	12350 2750 13650 2750
+Wire Wire Line
+	13650 3000 13650 2950
+Connection ~ 12700 900 
+Wire Wire Line
+	11650 900  11650 1550
+Connection ~ 13100 900 
+Wire Wire Line
+	11550 600  11550 1550
+Wire Wire Line
+	12700 1500 12700 1400
+Wire Wire Line
+	12700 1500 13100 1500
+Wire Wire Line
+	13100 1500 13100 1400
+Wire Wire Line
+	13000 900  13100 900 
+Wire Wire Line
+	11650 900  12800 900 
+Connection ~ 13100 3750
+Wire Wire Line
+	13350 3750 13350 3650
+Wire Wire Line
+	13350 2950 13350 3350
+Wire Wire Line
+	12600 3250 12600 3350
+Wire Wire Line
+	12350 3250 13650 3250
+Wire Wire Line
+	12850 3150 12850 3350
+Wire Wire Line
+	12350 3150 12850 3150
+Wire Wire Line
+	13100 3050 13100 3350
+Wire Wire Line
+	12350 3050 13100 3050
+Wire Wire Line
+	12350 2950 13350 2950
+Connection ~ 12450 3750
+Connection ~ 12850 3750
+Wire Wire Line
+	13100 3750 13100 3650
+Connection ~ 12600 3750
+Wire Wire Line
+	12850 3750 12850 3650
+Wire Wire Line
+	12450 3750 14450 3750
+Wire Wire Line
+	12600 3650 12600 3750
+Wire Wire Line
+	5250 9400 5250 9500
+Wire Wire Line
+	5250 8750 5250 9100
+Wire Wire Line
+	2350 9350 2350 9450
+Connection ~ 4150 7750
+Wire Wire Line
+	4150 7750 4150 6950
+Wire Wire Line
+	4650 6400 4650 7050
+Connection ~ 12450 3550
+Wire Wire Line
+	12350 3550 12450 3550
+Connection ~ 12450 3650
+Wire Wire Line
+	12450 3650 12350 3650
+Wire Wire Line
+	12450 3450 12450 4000
+Wire Wire Line
+	12350 3450 12450 3450
+Wire Wire Line
+	12350 2450 14200 2450
+Wire Wire Line
+	12350 2350 14450 2350
+Wire Wire Line
+	5000 2700 5500 2700
+Wire Wire Line
+	5000 2600 5500 2600
+Wire Wire Line
+	5000 2400 5500 2400
+Wire Wire Line
+	5000 2300 5500 2300
+Wire Wire Line
+	5000 2200 5500 2200
+Wire Wire Line
+	5000 2100 5500 2100
+Connection ~ 3650 1650
+Wire Wire Line
+	3650 1550 3650 1650
+Wire Wire Line
+	4100 1650 4100 1750
+Wire Wire Line
+	3500 1750 3500 1650
+Connection ~ 4750 3350
+Connection ~ 3550 3350
+Wire Wire Line
+	3550 3250 3550 3350
+Connection ~ 3650 3350
+Wire Wire Line
+	3650 3350 3650 3250
+Connection ~ 3750 3350
+Wire Wire Line
+	3750 3350 3750 3250
+Connection ~ 3850 3350
+Wire Wire Line
+	3850 3350 3850 3250
+Connection ~ 3950 3350
+Wire Wire Line
+	3950 3350 3950 3250
+Connection ~ 4150 3350
+Wire Wire Line
+	4150 3350 4150 3250
+Connection ~ 4350 3350
+Wire Wire Line
+	4350 3350 4350 3250
+Connection ~ 4550 3350
+Wire Wire Line
+	4550 3350 4550 3250
+Connection ~ 4650 3350
+Wire Wire Line
+	4650 3350 4650 3250
+Wire Wire Line
+	4750 3250 4750 3450
+Wire Wire Line
+	3450 3350 4750 3350
+Wire Wire Line
+	3450 3250 3450 3350
+Wire Wire Line
+	2650 3750 2650 3850
+Wire Wire Line
+	2850 3350 2850 3450
+Wire Wire Line
+	3050 3350 2850 3350
+Wire Wire Line
+	3050 3250 3050 3350
+Wire Wire Line
+	2950 3300 2950 3250
+Wire Wire Line
+	2650 3300 2950 3300
+Wire Wire Line
+	2650 3450 2650 3300
+Wire Wire Line
+	3050 3400 3050 3450
+Wire Wire Line
+	3150 3400 3050 3400
+Wire Wire Line
+	3150 3250 3150 3400
+Wire Wire Line
+	3250 3250 3250 3450
+Wire Wire Line
+	2000 2850 2400 2850
+Wire Wire Line
+	2000 2750 2000 2850
+Wire Wire Line
+	2000 2400 2400 2400
+Wire Wire Line
+	2000 2450 2000 2400
+Wire Wire Line
+	1200 2200 2400 2200
+Wire Wire Line
+	2350 9100 2500 9100
+Wire Bus Line
+	4900 9200 4900 9600
+Wire Wire Line
+	3900 9350 4800 9350
+Wire Wire Line
+	3900 9250 4800 9250
+Wire Wire Line
+	2350 8300 2350 9100
+Wire Wire Line
+	2500 9350 2350 9350
+Wire Wire Line
+	3900 8900 4000 8900
+Wire Wire Line
+	3500 6800 3500 6900
+Connection ~ 3500 7300
+Wire Wire Line
+	3500 7200 3500 7400
+Wire Wire Line
+	3750 7300 3500 7300
+Wire Wire Line
+	3750 7200 3750 7300
+Connection ~ 3750 6800
+Wire Wire Line
+	3750 6700 3750 6900
+Connection ~ 2850 6300
+Wire Wire Line
+	2850 6300 2850 6200
+Wire Wire Line
+	7500 7650 7500 6400
+Wire Wire Line
+	7350 7650 7500 7650
+Connection ~ 5550 7750
+Wire Wire Line
+	5550 7750 5550 8650
+Wire Wire Line
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+Connection ~ 6450 7750
+Wire Wire Line
+	6450 8150 6150 8150
+Connection ~ 6450 7650
+Wire Wire Line
+	6450 7750 6750 7750
+Wire Wire Line
+	6250 7650 6450 7650
+Connection ~ 5550 6800
+Wire Wire Line
+	6550 6800 6550 7550
+Wire Wire Line
+	6550 7550 6750 7550
+Wire Wire Line
+	3500 6800 8100 6800
+Wire Wire Line
+	5550 7550 5550 6800
+Wire Wire Line
+	5650 7550 5550 7550
+Wire Wire Line
+	5450 7750 5650 7750
+Wire Wire Line
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+Connection ~ 3650 7750
+Wire Wire Line
+	3750 6300 3750 6400
+Connection ~ 3650 8200
+Wire Wire Line
+	3350 8200 3650 8200
+Wire Wire Line
+	3450 7750 4750 7750
+Wire Wire Line
+	3650 7750 3650 8450
+Wire Wire Line
+	3650 8450 3350 8450
+Connection ~ 2750 8200
+Wire Wire Line
+	2750 8450 3050 8450
+Connection ~ 2750 7850
+Wire Wire Line
+	2750 8200 3050 8200
+Wire Wire Line
+	2750 7850 2750 8450
+Connection ~ 2350 7650
+Wire Wire Line
+	2600 8300 2600 8400
+Connection ~ 2600 7650
+Wire Wire Line
+	2600 7650 2600 8000
+Wire Wire Line
+	2350 7650 2850 7650
+Wire Wire Line
+	2350 7400 2350 8000
+Connection ~ 2350 6300
+Wire Wire Line
+	2350 7100 2350 6300
+Wire Wire Line
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+Connection ~ 1800 10600
+Wire Wire Line
+	2100 10600 2100 10450
+Wire Wire Line
+	1800 10500 1800 10700
+Connection ~ 1800 10100
+Wire Wire Line
+	1800 9950 1800 10200
+Wire Wire Line
+	1800 7950 1800 8150
+Wire Wire Line
+	1250 7950 1800 7950
+Wire Wire Line
+	2100 10250 2200 10250
+Wire Wire Line
+	2100 10450 2200 10450
+Connection ~ 1800 7850
+Wire Wire Line
+	1800 7400 1800 7850
+Wire Wire Line
+	1800 6300 3750 6300
+Wire Wire Line
+	1800 7100 1800 6300
+Wire Wire Line
+	1250 7850 2850 7850
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+	12750 4400 14450 4400
+Wire Wire Line
+	12850 4400 12850 4500
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+	7000 9500 7000 9800
+Wire Wire Line
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+Connection ~ 11800 6650
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 4500 9250
+Wire Wire Line
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+Connection ~ 4700 9350
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 7600 9800
+Wire Wire Line
+	7600 10200 7600 10300
+Wire Wire Line
+	7300 10700 8200 10700
+Wire Notes Line
+	12300 7400 15950 7400
+Wire Wire Line
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+Wire Wire Line
+	11400 7600 11400 7500
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+	10700 9600 11400 9600
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+Wire Wire Line
+	13100 600  13100 1100
+Wire Wire Line
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+Wire Wire Line
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+Wire Bus Line
+	7750 2700 7750 3050
+Wire Wire Line
+	5700 4300 5700 4500
+Wire Wire Line
+	5700 4900 5700 4800
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+Wire Wire Line
+	3900 4300 3900 4500
+Wire Wire Line
+	3900 4800 3900 4900
+Connection ~ 4200 4900
+Wire Wire Line
+	1600 1600 1600 1800
+Wire Wire Line
+	1600 1700 2000 1700
+Wire Wire Line
+	2000 1700 2000 1800
+Connection ~ 1600 1700
+Wire Wire Line
+	1600 1200 1600 1300
+Wire Wire Line
+	1200 1200 2200 1200
+Wire Wire Line
+	1600 2200 1600 2100
+Wire Wire Line
+	1300 2200 1300 1800
+Connection ~ 1600 2200
+Wire Wire Line
+	1300 1200 1300 1500
+Connection ~ 1600 1200
+Connection ~ 1300 1200
+Connection ~ 1300 2200
+Wire Wire Line
+	900  1200 600  1200
+Wire Wire Line
+	900  2200 600  2200
+Wire Wire Line
+	2200 1200 2200 2100
+Wire Wire Line
+	2200 2100 2400 2100
+Wire Wire Line
+	1800 3800 2200 3800
+Wire Wire Line
+	2200 3800 2200 2950
+Wire Wire Line
+	2200 2950 2400 2950
+$Comp
+L GND #PWR043
+U 1 1 598E6B65
+P 2850 3850
+F 0 "#PWR043" H 2850 3600 50  0001 C CNN
+F 1 "GND" H 2850 3700 50  0000 C CNN
+F 2 "" H 2850 3850 50  0000 C CNN
+F 3 "" H 2850 3850 50  0000 C CNN
+	1    2850 3850
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	2850 3750 2850 3850
+$Comp
+L GND #PWR044
+U 1 1 598E6DD6
+P 3050 3850
+F 0 "#PWR044" H 3050 3600 50  0001 C CNN
+F 1 "GND" H 3050 3700 50  0000 C CNN
+F 2 "" H 3050 3850 50  0000 C CNN
+F 3 "" H 3050 3850 50  0000 C CNN
+	1    3050 3850
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3050 3750 3050 3850
+$Comp
+L GND #PWR045
+U 1 1 598E6F13
+P 3250 3850
+F 0 "#PWR045" H 3250 3600 50  0001 C CNN
+F 1 "GND" H 3250 3700 50  0000 C CNN
+F 2 "" H 3250 3850 50  0000 C CNN
+F 3 "" H 3250 3850 50  0000 C CNN
+	1    3250 3850
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3250 3750 3250 3850
+Text Label 800  3400 0    60   ~ 0
+HR_ENABLE
+Wire Wire Line
+	9850 6750 9750 6750
+Connection ~ 9750 6750
+Connection ~ 9650 6550
+$Comp
+L C C9
+U 1 1 599B9B2C
+P 3250 3600
+F 0 "C9" H 3275 3700 50  0000 L CNN
+F 1 "1u" H 3275 3500 50  0000 L CNN
+F 2 "Capacitors_SMD:C_0402" H 3288 3450 50  0001 C CNN
+F 3 "" H 3250 3600 50  0000 C CNN
+F 4 "490-10694-2-ND" H 3250 3600 60  0001 C CNN "digikey"
+F 5 "GRM155R61C105KA12D" H 3250 3600 60  0001 C CNN "part"
+	1    3250 3600
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9750 6650 9750 6850
+Wire Wire Line
+	9650 6550 9650 6450
+Wire Wire Line
+	11600 6550 11600 6350
+Wire Wire Line
+	11800 6350 11800 6650
+Wire Wire Line
+	11000 8500 11600 8500
+$EndSCHEMATC
diff --git a/test/parser/parser-demo-1-cache.lib b/test/parser/parser-demo-1-cache.lib
new file mode 100644
index 0000000..c46e7b1
--- /dev/null
+++ b/test/parser/parser-demo-1-cache.lib
@@ -0,0 +1,47 @@
+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#
+# NE5534
+#
+DEF NE5534 U 0 20 Y Y 1 F N
+F0 "U" 50 250 50 H V L CNN
+F1 "NE5534" 50 150 50 H V L CNN
+F2 "" 50 50 50 H I C CNN
+F3 "" 50 150 50 H I C CNN
+ALIAS SA5534 LM101 LM201 LM301
+$FPLIST
+ DIP*W7.62mm*
+ SOIC*3.9x4.9mm*Pitch1.27mm*
+$ENDFPLIST
+DRAW
+P 4 0 1 10 -200 200 200 0 -200 -200 -200 200 f
+X ~ 1 0 -300 200 U 50 50 1 1 I
+X - 2 -300 -100 100 R 50 50 1 1 I
+X + 3 -300 100 100 R 50 50 1 1 I
+X V- 4 -100 -300 150 U 50 50 1 1 W
+X ~ 5 100 -300 250 U 50 50 1 1 I
+X ~ 6 300 0 100 L 50 50 1 1 O
+X V+ 7 -100 300 150 D 50 50 1 1 W
+X ~ 8 0 300 200 D 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+# R
+#
+DEF R R 0 0 N Y 1 F N
+F0 "R" 80 0 50 V V C CNN
+F1 "R" 0 0 50 V V C CNN
+F2 "" -70 0 50 V I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ R_*
+ R_*
+$ENDFPLIST
+DRAW
+S -40 -100 40 100 0 1 10 N
+X ~ 1 0 150 50 D 50 50 1 1 P
+X ~ 2 0 -150 50 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/test/parser/parser-demo-1.kicad_pcb b/test/parser/parser-demo-1.kicad_pcb
new file mode 100644
index 0000000..02c8ecb
--- /dev/null
+++ b/test/parser/parser-demo-1.kicad_pcb
@@ -0,0 +1 @@
+(kicad_pcb (version 4) (host kicad "dummy file") )
diff --git a/test/parser/parser-demo-1.pro b/test/parser/parser-demo-1.pro
new file mode 100644
index 0000000..355a8cb
--- /dev/null
+++ b/test/parser/parser-demo-1.pro
@@ -0,0 +1,60 @@
+update=sø. 27. aug. 2017 kl. 00.42 +0200
+version=1
+last_client=kicad
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=power
+LibName2=device
+LibName3=transistors
+LibName4=conn
+LibName5=linear
+LibName6=regul
+LibName7=74xx
+LibName8=cmos4000
+LibName9=adc-dac
+LibName10=memory
+LibName11=xilinx
+LibName12=microcontrollers
+LibName13=dsp
+LibName14=microchip
+LibName15=analog_switches
+LibName16=motorola
+LibName17=texas
+LibName18=intel
+LibName19=audio
+LibName20=interface
+LibName21=digital-audio
+LibName22=philips
+LibName23=display
+LibName24=cypress
+LibName25=siliconi
+LibName26=opto
+LibName27=atmel
+LibName28=contrib
+LibName29=valves
+[general]
+version=1
diff --git a/test/parser/parser-demo-1.sch b/test/parser/parser-demo-1.sch
new file mode 100644
index 0000000..0dad706
--- /dev/null
+++ b/test/parser/parser-demo-1.sch
@@ -0,0 +1,68 @@
+EESchema Schematic File Version 2
+LIBS:power
+LIBS:device
+LIBS:transistors
+LIBS:conn
+LIBS:linear
+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:valves
+EELAYER 25 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L LM101 U101
+U 1 1 59A1FBDB
+P 3400 2400
+F 0 "U101" H 3450 2650 50  0000 L CNN
+F 1 "LM101 \"X\"" H 3450 2550 50  0000 L CNN
+F 2 "" H 3450 2450 50  0001 C CNN
+F 3 "" H 3450 2550 50  0001 C CNN
+F 4 "1234" H 3400 2400 60  0001 C CNN "mpn"
+	1    3400 2400
+	1    0    0    -1  
+$EndComp
+$Comp
+L R R101
+U 1 1 59A2E082
+P 4300 2200
+F 0 "R101" V 4380 2200 50  0000 C CNN
+F 1 "10k" V 4300 2200 50  0000 C CNN
+F 2 "" V 4230 2200 50  0001 C CNN
+F 3 "" H 4300 2200 50  0001 C CNN
+	1    4300 2200
+	1    0    0    -1  
+$EndComp
+$EndSCHEMATC
diff --git a/test/test_sch.py b/test/test_sch.py
new file mode 100644
index 0000000..a3c6915
--- /dev/null
+++ b/test/test_sch.py
@@ -0,0 +1,34 @@
+import pytest
+import sys
+import os.path
+from ee.kicad import read_schematic
+ 
+basedir = os.path.dirname(os.path.abspath(__file__))
+
+def dump_schema(sch):
+  print("Libraries")
+  for l in sch.libraries:
+    print("name: {}".format(l.name))
+
+  print("Components")
+  for c in sch.components:
+    if c.unit != 1:
+      continue
+    print("REF: {}, fields={}".format(c.ref if c.unit == 1 else "{}/{}".format(c.ref, c.unit), len(c.fields)))
+    for f in c.fields:
+      print(" {}={}".format(f.name, f.value))
+
+def load(path):
+    p = basedir + "/parser/" + path
+    print("p={}".format(p))
+    return read_schematic(p)
+
+def test_demo_1():
+    sch = load("parser-demo-1.sch")
+    dump_schema(sch)
+    r101 = sch.get_component("R101")
+    assert r101
+
+def test_sch():
+    sch = load("foo.sch")
+    dump_schema(sch)
-- 
cgit v1.2.3