change
This commit is contained in:
PhillipRambo
parent
6fbf7a0381
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3abd3c5a9c
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"""Module to automatically generate a gallery of devices out of spice netlist creating a new GDS file. Can be used in
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Klayout's batch mode. For example:
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klayout -n sg13g2 -zz -r generator.py -rd netlist=netlist.spice -rd output=macros/gallery.gds
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"""
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import pathlib
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import sys
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import re
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import argparse
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from typing import List, Dict
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import pya
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import klayout.db
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LIB = 'SG13_dev'
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def parse_netlist(netlist: str) -> List[Dict[str, str]]:
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# Define regular expression patterns for each component type
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patterns = {
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'ipin': re.compile(r"^\*\.ipin\s+(\S+)\s*$", re.MULTILINE),
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'opin': re.compile(r"^\*\.opin\s+(\S+)\s*$", re.MULTILINE),
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'iopin': re.compile(r"^\*\.iopin\s+(\S+)\s*$", re.MULTILINE),
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'bjt': re.compile(r"^XQ(\S+)\s+\S+\s+\S+\s+\S+\s+\S+\s+(\S+)\s+Nx=([\d\.]+)(?:\s+le=([\d\.e-]+))?\s*$", re.MULTILINE),
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'capacitor': re.compile(r"^XC(\S+)\s+\S+\s+\S+\s+(\S+)\s+w=([\d\.e-]+)\s+l=([\d\.e-]+)\s+m=([\d\.]+)\s*$", re.MULTILINE),
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'diode': re.compile(r"^XD(\S+)\s+\S+\s+\S+\s+(\S+)\s+l=([\d\.a-zA-Z]+)\s+w=([\d\.a-zA-Z]+)\s*$", re.MULTILINE),
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'resistor': re.compile(r"^XR(\S+)\s+\S+\s+\S+\s+(\S+)\s+w=([\d\.e-]+)\s+l=([\d\.e-]+)\s+m=([\d\.]+)\s+b=([\d\.]+)\s*$", re.MULTILINE),
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'mosfet': re.compile(r"^XM(\S+)\s+\S+\s+\S+\s+\S+\s+\S+\s+(\S+)\s+w=([\d\.u-]+)\s+l=([\d\.u-]+)\s+ng=([\d\.]+)\s+m=([\d\.]+)(?:\s+rfmode=([\d\.]+))?\s*$", re.MULTILINE),
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'tap': re.compile(r"^XR(\S+)\s+\S+\s+\S+\s+(\S+)\s*$", re.MULTILINE)
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}
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components = []
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# Parse pins
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for pin_type in ['ipin', 'opin', 'iopin']:
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for match in patterns[pin_type].finditer(netlist):
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components.append({
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'name': match.group(1),
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'model': pin_type
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})
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# Parse BJTs
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for match in patterns['bjt'].finditer(netlist):
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components.append({
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'name': f"XQ{match.group(1)}",
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'model': match.group(2),
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'Nx': match.group(3),
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'le': match.group(4) if match.group(4) else None
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})
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# Parse capacitors
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for match in patterns['capacitor'].finditer(netlist):
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components.append({
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'name': f"XC{match.group(1)}",
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'model': match.group(2),
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'w': match.group(3),
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'l': match.group(4),
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'm': match.group(5)
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})
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# Parse diodes
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for match in patterns['diode'].finditer(netlist):
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components.append({
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'name': f"XD{match.group(1)}",
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'model': match.group(2),
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'l': match.group(3),
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'w': match.group(4)
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})
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# Parse resistors
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for match in patterns['resistor'].finditer(netlist):
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components.append({
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'name': f"XR{match.group(1)}",
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'model': match.group(2),
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'w': match.group(3),
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'l': match.group(4),
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'm': match.group(5),
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'b': match.group(6)
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})
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# Parse MOSFETs
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for match in patterns['mosfet'].finditer(netlist):
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components.append({
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'name': f"XM{match.group(1)}",
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'model': match.group(2),
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'w': match.group(3),
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'l': match.group(4),
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'ng': match.group(5),
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'm': match.group(6),
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'rfmode': match.group(7) if match.group(7) else None
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})
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#Parse ntap
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for match in patterns['tap'].finditer(netlist):
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components.append({
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'name': f"XR{match.group(1)}",
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'model': match.group(2) # In this case, group 4 is the ntap model
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})
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return components
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def generate_devices(netlist: str, output: str):
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components = parse_netlist(netlist)
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lib = pya.Library.library_by_name(LIB)
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layout = klayout.db.Layout(True)
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layout.dbu = 0.001
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top_cell = layout.cell(layout.add_cell('gallery'))
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res = find_instances_by_model(components, 'rppd')
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xstep = 0
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cell_w = 0
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y_offset = 100
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hmax = 0
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for item in res:
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width = float(item['w'])*1e6
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length = float(item['l'])*1e6
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bends = int(item['b'])
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m = int(item['m'])
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for i in range(1,m+1):
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pcell_decl = lib.layout().pcell_declaration('rppd')
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params = pcell_decl.params_as_hash(pcell_decl.get_parameters())
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pcell = layout.add_pcell_variant(lib, pcell_decl.id(), {'w': f'{width}u', 'l': f'{length}u', 'b' : f'{bends}'})
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cell=layout.cell(pcell)
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bbox=cell.bbox()
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xstep = xstep + 100 + cell_w
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top_cell.insert(klayout.db.CellInstArray(pcell, klayout.db.Trans(klayout.db.Point(xstep,y_offset ))))
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cell_w = bbox.width()
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cell_h = bbox.height()
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if cell_h > hmax:
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hmax = cell_h
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# print(f'w: {cell_w}, h: {cell_h}, xstep: {xstep}')
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res = find_instances_by_model(components, 'rhigh')
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xstep = 0
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cell_w = 0
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y_offset = y_offset + hmax
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hmax = 0
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for item in res:
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width = float(item['w'])*1e6
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length = float(item['l'])*1e6
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bends = int(item['b'])
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m = int(item['m'])
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for i in range(1,m+1):
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pcell_decl = lib.layout().pcell_declaration('rhigh')
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params = pcell_decl.params_as_hash(pcell_decl.get_parameters())
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pcell = layout.add_pcell_variant(lib, pcell_decl.id(), {'w': f'{width}u', 'l': f'{length}u', 'b' : f'{bends}'})
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cell=layout.cell(pcell)
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bbox=cell.bbox()
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xstep = xstep + 100 + cell_w
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top_cell.insert(klayout.db.CellInstArray(pcell, klayout.db.Trans(klayout.db.Point(xstep, y_offset))))
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cell_w=bbox.width()
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cell_h=bbox.height()
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if cell_h > hmax:
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hmax = cell_h
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res = find_instances_by_model(components, 'rsil')
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xstep = 0
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cell_w = 0
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y_offset = y_offset + hmax
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hmax = 0
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for item in res:
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width = float(item['w'])*1e6
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length = float(item['l'])*1e6
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bends = int(item['b'])
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m = int(item['m'])
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for i in range(1,m+1):
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pcell_decl = lib.layout().pcell_declaration('rsil')
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params = pcell_decl.params_as_hash(pcell_decl.get_parameters())
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pcell = layout.add_pcell_variant(lib, pcell_decl.id(), {'w': f'{width}u', 'l': f'{length}u', 'b' : f'{bends}'})
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cell=layout.cell(pcell)
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bbox=cell.bbox()
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xstep = xstep + 100 + cell_w
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top_cell.insert(klayout.db.CellInstArray(pcell, klayout.db.Trans(klayout.db.Point(xstep,y_offset))))
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cell_w=bbox.width()
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cell_h=bbox.height()
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if cell_h > hmax:
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hmax = cell_h
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mos = find_instances_by_model(components, 'sg13_lv_nmos')
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xstep = 0
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cell_w = 0
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y_offset = y_offset + hmax
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hmax = 0
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for item in mos:
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width = float(item['w'][:-1])
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length = float(item['l'][:-1])
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ng = int(item['ng'])
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m = int(item['m'])
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for i in range(1,m+1):
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pcell_decl = lib.layout().pcell_declaration('nmos')
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params = pcell_decl.params_as_hash(pcell_decl.get_parameters())
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pcell = layout.add_pcell_variant(lib, pcell_decl.id(), {'w': f'{width}u', 'l': f'{length}u', 'ng' : f'{ng}'})
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cell=layout.cell(pcell)
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bbox=cell.bbox()
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xstep = xstep + 100 + cell_w
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top_cell.insert(klayout.db.CellInstArray(pcell, klayout.db.Trans(klayout.db.Point(xstep, y_offset))))
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cell_w=bbox.width()
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cell_h=bbox.height()
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if cell_h > hmax:
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hmax = cell_h
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mos = find_instances_by_model(components, 'sg13_hv_nmos')
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xstep = 0
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cell_w = 0
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y_offset = y_offset + hmax
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hmax = 0
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for item in mos:
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width = float(item['w'][:-1])
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length = float(item['l'][:-1])
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ng = int(item['ng'])
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m = int(item['m'])
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for i in range(1,m+1):
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pcell_decl = lib.layout().pcell_declaration('nmosHV')
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params = pcell_decl.params_as_hash(pcell_decl.get_parameters())
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pcell = layout.add_pcell_variant(lib, pcell_decl.id(), {'w': f'{width}u', 'l': f'{length}u', 'ng' : f'{ng}'})
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cell=layout.cell(pcell)
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bbox=cell.bbox()
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xstep = xstep + 100 + cell_w
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top_cell.insert(klayout.db.CellInstArray(pcell, klayout.db.Trans(klayout.db.Point(xstep, y_offset))))
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cell_w=bbox.width()
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cell_h=bbox.height()
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if cell_h > hmax:
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hmax = cell_h
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mos = find_instances_by_model(components, 'sg13_lv_pmos')
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xstep = 0
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cell_w = 0
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y_offset = y_offset + hmax
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hmax = 0
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for item in mos:
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name = item['name']
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width = float(item['w'][:-1])
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length = float(item['l'][:-1])
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ng = int(item['ng'])
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m = int(item['m'])
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for i in range(1,m+1):
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pcell_decl = lib.layout().pcell_declaration('pmos')
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params = pcell_decl.params_as_hash(pcell_decl.get_parameters())
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pcell = layout.add_pcell_variant(lib, pcell_decl.id(), {'w': f'{width}u', 'l': f'{length}u', 'ng' : f'{ng}'})
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cell=layout.cell(pcell)
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bbox=cell.bbox()
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xstep = xstep + 100 + cell_w
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top_cell.insert(klayout.db.CellInstArray(pcell, klayout.db.Trans(klayout.db.Point(xstep, y_offset))))
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cell_w=bbox.width()
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cell_h=bbox.height()
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if cell_h > hmax:
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hmax = cell_h
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mos = find_instances_by_model(components, 'sg13_hv_pmos')
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xstep = 0
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cell_w = 0
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y_offset = y_offset + hmax
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hmax = 0
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for item in mos:
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name = item['name']
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width = float(item['w'][:-1])
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length = float(item['l'][:-1])
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ng = int(item['ng'])
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m = int(item['m'])
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for i in range(1,m+1):
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pcell_decl = lib.layout().pcell_declaration('pmosHV')
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params = pcell_decl.params_as_hash(pcell_decl.get_parameters())
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pcell = layout.add_pcell_variant(lib, pcell_decl.id(), {'w': f'{width}u', 'l': f'{length}u', 'ng' : f'{ng}'})
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cell=layout.cell(pcell)
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bbox=cell.bbox()
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xstep = xstep + 100 + cell_w
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top_cell.insert(klayout.db.CellInstArray(pcell, klayout.db.Trans(klayout.db.Point(xstep, y_offset))))
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cell_w=bbox.width()
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cell_h=bbox.height()
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if cell_h > hmax:
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hmax = cell_h
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cmim = find_instances_by_model(components, 'cap_cmim')
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xstep = 0
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cell_w = 0
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y_offset = y_offset + hmax
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hmax = 0
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for item in cmim:
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width = float(item['w'])*1e6
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length = float(item['l'])*1e6
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m = int(item['m'])
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for i in range(1,m+1):
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pcell_decl = lib.layout().pcell_declaration('cmim')
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params = pcell_decl.params_as_hash(pcell_decl.get_parameters())
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pcell = layout.add_pcell_variant(lib, pcell_decl.id(), {'w': f'{width}u', 'l': f'{length}u'})
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cell=layout.cell(pcell)
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bbox=cell.bbox()
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xstep = xstep + 100 + cell_w
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top_cell.insert(klayout.db.CellInstArray(pcell, klayout.db.Trans(klayout.db.Point(xstep, y_offset))))
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cell_w=bbox.width()
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cell_h=bbox.height()
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if cell_h > hmax:
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hmax = cell_h
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dant = find_instances_by_model(components, 'dantenna')
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xstep = 0
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cell_w = 0
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y_offset = y_offset + hmax
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hmax = 0
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for item in dant:
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name = item['name']
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model = item['model']
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width = float(item['w'][:-1])
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length = float(item['l'][:-1])
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pcell_decl = lib.layout().pcell_declaration('dantenna')
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params = pcell_decl.params_as_hash(pcell_decl.get_parameters())
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pcell = layout.add_pcell_variant(lib, pcell_decl.id(), {'w': f'{width}u', 'l': f'{length}u'})
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cell=layout.cell(pcell)
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bbox=cell.bbox()
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xstep = xstep + 100 + cell_w
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top_cell.insert(klayout.db.CellInstArray(pcell, klayout.db.Trans(klayout.db.Point(xstep, y_offset))))
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cell_w=bbox.width()
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cell_h=bbox.height()
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if cell_h > hmax:
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hmax = cell_h
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dant = find_instances_by_model(components, 'dpantenna')
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xstep = 0
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cell_w = 0
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y_offset = y_offset + hmax
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hmax = 0
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for item in dant:
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name = item['name']
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model = item['model']
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width = float(item['w'][:-1])
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length = float(item['l'][:-1])
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pcell_decl = lib.layout().pcell_declaration('dpantenna')
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params = pcell_decl.params_as_hash(pcell_decl.get_parameters())
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pcell = layout.add_pcell_variant(lib, pcell_decl.id(), {'w': f'{width}u', 'l': f'{length}u'})
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cell=layout.cell(pcell)
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bbox=cell.bbox()
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xstep = xstep + 100 + cell_w
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top_cell.insert(klayout.db.CellInstArray(pcell, klayout.db.Trans(klayout.db.Point(xstep, y_offset))))
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cell_w=bbox.width()
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cell_h=bbox.height()
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if cell_h > hmax:
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hmax = cell_h
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pathlib.Path(output).parent.mkdir(parents=True, exist_ok=True)
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layout.write(output)
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def find_instances_by_model(components, model_name):
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return [item for item in components if item['model'] == model_name]
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try:
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netlist
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except NameError:
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print("Missing netlist argument. Please define '-rd netlsit=<path-to-netlist>'")
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sys.exit(1)
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# sys.exit(1)
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try:
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output
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except NameError:
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print("Missing output argument. Please define '-rd output=<path-to-sealring>'")
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sys.exit(1)
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def main():
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with open(netlist, 'r') as file:
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netlist_content = file.read()
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generate_devices(netlist_content, output) # pylint: disable=undefined-variable
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print(f'GDS created, open it using: ->klayout {output}')
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if __name__ == "__main__":
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main()
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