Add a generator for capacitor networks.

schlib/autogen/C_Network/C_Network.py

@@ -0,0 +1,274 @@
+#!/usr/bin/env python3
+
+import math
+import os
+import sys
+
+sys.path.append(os.path.join(sys.path[0], '..'))
+
+from KiCadSymbolGenerator import *
+
+def roundToGrid(x, g):
+    if x > 0:
+        return math.ceil(x / g) * g
+    else:
+        return math.floor(x / g) * g
+
+generator = SymbolGenerator('C_Network')
+
+def generateCapacitorNetwork(count):
+    name = 'C_Network{:02d}'.format(count)
+    refdes = 'RN'
+    footprint = ''
+    footprint_filter = 'C?Array?SMD*'
+    description = '{0} capacitor network, star topology, bussed capacitor, small symbol'.format(count)
+    keywords = 'C network star-topology'
+    datasheet = ''
+
+    grid_size = 100
+    junction_diameter = 20
+    pin_length = 100
+    capacitor_length = 20
+    capacitor_width = 60
+    capacitor_top_lead_length = 30
+    body_left_offset = 50
+    left = -math.floor(count / 2) * grid_size
+    body_x = left - body_left_offset
+    body_y = -125
+    body_height = 250
+    body_width = (count - 1) * grid_size + 2 * body_left_offset
+    top = -200
+    bottom = 200
+
+    symbol = generator.addSymbol(name,
+        dcm_options = {
+            'datasheet': datasheet,
+            'description': description,
+            'keywords': keywords
+        },
+        footprint_filter = footprint_filter,
+        offset = 0,
+        pin_name_visibility = Symbol.PinMarkerVisibility.INVISIBLE
+    )
+    symbol.setReference(refdes,
+        at = Point(body_x - 50, 0),
+        orientation = SymbolField.FieldOrientation.VERTICAL
+    )
+    symbol.setValue(
+        at = Point(body_x + body_width + 50, 0),
+        orientation = SymbolField.FieldOrientation.VERTICAL
+    )
+    symbol.setDefaultFootprint(
+        at = Point(body_x + body_width + 50 + 75, 0),
+        orientation = SymbolField.FieldOrientation.VERTICAL,
+        value = footprint
+    )
+
+    # Symbol body
+    symbol.drawing.append(DrawingRectangle(
+        end = Point(body_x + body_width, body_y + body_height),
+        fill = ElementFill.FILL_BACKGROUND,
+        start = Point(body_x, body_y),
+        unit_idx = 0
+    ))
+
+    pin_left = left
+
+    # Common pin
+    symbol.drawing.append(DrawingPin(
+        at = Point(pin_left, -top),
+        name = 'common',
+        number = 1,
+        orientation = DrawingPin.PinOrientation.DOWN,
+        pin_length = pin_length
+    ))
+
+    # First top capacitor lead
+    symbol.drawing.append(DrawingPolyline(
+        line_width = 0,
+        points = [
+            Point(pin_left, -(top + pin_length)),
+            Point(pin_left, capacitor_length / 2)
+        ],
+        unit_idx = 0
+    ))
+
+    for s in range(1, count + 1):
+        # Capacitor pins
+        symbol.drawing.append(DrawingPin(
+            at = Point(pin_left, -bottom),
+            name = 'C{0}'.format(s),
+            number = s + 1,
+            orientation = DrawingPin.PinOrientation.UP,
+            pin_length = pin_length
+        ))
+        # Capacitor bodies
+        symbol.drawing.append(DrawingPolyline(
+            line_width = 0,
+            points = [
+                Point(pin_left + capacitor_width / 2, -capacitor_length / 2),
+                Point(pin_left - capacitor_width / 2, -capacitor_length / 2),
+            ],
+            unit_idx = 0
+        ))
+        symbol.drawing.append(DrawingPolyline(
+            line_width = 0,
+            points = [
+                Point(pin_left + capacitor_width / 2, capacitor_length / 2),
+                Point(pin_left - capacitor_width / 2, capacitor_length / 2),
+            ],
+            unit_idx = 0
+        ))
+
+        if s < count:
+            # Top capacitor leads
+            symbol.drawing.append(DrawingPolyline(
+                line_width = 0,
+                points = [
+                    Point(pin_left, capacitor_length / 2),
+                    Point(pin_left, capacitor_length / 2 + capacitor_top_lead_length),
+                    Point(pin_left + grid_size, capacitor_length / 2 + capacitor_top_lead_length),
+                    Point(pin_left + grid_size, capacitor_length / 2)
+                ],
+                unit_idx = 0
+            ))
+            # Junctions
+            symbol.drawing.append(DrawingCircle(
+                at = Point(pin_left, capacitor_length / 2 + capacitor_top_lead_length),
+                fill = ElementFill.FILL_FOREGROUND,
+                line_width = 0,
+                radius = junction_diameter / 2,
+                unit_idx = 0
+            ))
+        # Bottom Capacitor leads
+        symbol.drawing.append(DrawingPolyline(
+            line_width = 0,
+            points = [
+                Point(pin_left, -capacitor_length / 2),
+                Point(pin_left, top + pin_length),
+            ],
+            unit_idx = 0
+        ))
+        pin_left = pin_left + grid_size
+
+def generateCapacitorPack(count):
+    name = 'C_Pack{:02d}'.format(count)
+    refdes = 'CN'
+    footprint = ''
+    footprint_filter = ['DIP*', 'SOIC*']
+    description = '{0} capacitor network, parallel topology, SMD package'.format(count)
+    keywords = 'C network parallel topology isolated'
+    datasheet = '~'
+
+    grid_size = 100
+    pin_length = 100
+    capacitor_length = 20
+    capacitor_width = 50
+    body_left_offset = 50
+    body_top_offset = 20
+    left = -roundToGrid(((count - 1) * grid_size) / 2, 100)
+    top = -200
+    bottom = 200
+    body_x = left - body_left_offset
+    body_height = bottom - top - 2 * pin_length + 2 * body_top_offset
+    body_y = -body_height / 2
+    body_width = ((count - 1) * grid_size) + 2 * body_left_offset
+
+    symbol = generator.addSymbol(name,
+        dcm_options = {
+            'datasheet': datasheet,
+            'description': description,
+            'keywords': keywords
+        },
+        footprint_filter = footprint_filter,
+        offset = 0,
+        pin_name_visibility = Symbol.PinMarkerVisibility.INVISIBLE
+    )
+    symbol.setReference(refdes,
+        at = Point(body_x - 50, 0),
+        orientation = SymbolField.FieldOrientation.VERTICAL
+    )
+    symbol.setValue(
+        at = Point(body_x + body_width + 50, 0),
+        orientation = SymbolField.FieldOrientation.VERTICAL
+    )
+    symbol.setDefaultFootprint(
+        at = Point(body_x + body_width + 50 + 75, 0),
+        orientation = SymbolField.FieldOrientation.VERTICAL,
+        value = footprint
+    )
+
+    # Symbol body
+    symbol.drawing.append(DrawingRectangle(
+        end = Point(body_x + body_width, body_y + body_height),
+        fill = ElementFill.FILL_BACKGROUND,
+        start = Point(body_x, body_y),
+        unit_idx = 0
+    ))
+
+    pin_left = left
+
+    for s in range(1, count + 1):
+        # Capacitor bottom pins
+        symbol.drawing.append(DrawingPin(
+            at = Point(pin_left, -bottom),
+            name = 'R{0}.1'.format(s),
+            number = s,
+            orientation = DrawingPin.PinOrientation.UP,
+            pin_length = pin_length
+        ))
+        # Capacitor top pins
+        symbol.drawing.append(DrawingPin(
+            at = Point(pin_left, -top),
+            name = 'R{0}.2'.format(s),
+            number = 2 * count - s + 1,
+            orientation = DrawingPin.PinOrientation.DOWN,
+            pin_length = pin_length
+        ))
+        # Capacitor bodies
+        symbol.drawing.append(DrawingPolyline(
+	    line_width = 0,
+	    points = [
+                Point(pin_left - capacitor_width / 2, -(-capacitor_length / 2)),
+		Point(pin_left + capacitor_width / 2, -(-capacitor_length / 2)),
+	    ],
+            unit_idx = 0
+        ))
+        symbol.drawing.append(DrawingPolyline(
+	    line_width = 0,
+	    points = [
+                Point(pin_left - capacitor_width / 2, (-capacitor_length / 2)),
+		Point(pin_left + capacitor_width / 2, (-capacitor_length / 2)),
+	    ],
+            unit_idx = 0
+        ))
+        # Capacitor bottom leads
+        symbol.drawing.append(DrawingPolyline(
+            line_width = 0,
+            points = [
+                Point(pin_left, -(bottom - pin_length)),
+                Point(pin_left, -(capacitor_length / 2))
+            ],
+            unit_idx = 0
+        ))
+        # Capacitor top leads
+        symbol.drawing.append(DrawingPolyline(
+            line_width = 0,
+            points = [
+                Point(pin_left, -(-capacitor_length / 2)),
+                Point(pin_left, -(top + pin_length))
+            ],
+            unit_idx = 0
+        ))
+
+        pin_left = pin_left + grid_size
+
+
+if __name__ == '__main__':
+    for i in range(3, 14):
+        generateCapacitorNetwork(i)
+
+    for i in range(2, 8):
+        generateCapacitorPack(i)
+
+    generator.writeFiles()