from typing import Tuple, Sequence, Callable from pprint import pformat import numpy from numpy import pi from masque import Pattern, Builder, WrapLibrary, LazyLibrary, Library from masque.file.gdsii import writefile, load_libraryfile import pcgen import basic_shapes import devices from devices import ports_to_data, data_to_ports from basic_shapes import GDS_OPTS def main() -> None: # Define a `LazyLibrary`, which provides lazy evaluation for generating # patterns and lazy-loading of GDS contents. lib = LazyLibrary() # # Load some devices from a GDS file # # Scan circuit.gds and prepare to lazy-load its contents gds_lib, _properties = load_libraryfile('circuit.gds', postprocess=data_to_ports) # Add it into the device library by providing a way to read port info # This maintains the lazy evaluation from above, so no patterns # are actually read yet. lib.add(gds_lib) print('Patterns loaded from GDS into library:\n' + pformat(list(lib.keys()))) # # Add some new devices to the library, this time from python code rather than GDS # lib['triangle'] = lambda: basic_shapes.triangle(devices.RADIUS) opts = dict( lattice_constant = devices.LATTICE_CONSTANT, hole = 'triangle', ) # Triangle-based variants. These are defined here, but they won't run until they're # retrieved from the library. lib['tri_wg10'] = lambda: devices.waveguide(length=10, mirror_periods=5, **opts) lib['tri_wg05'] = lambda: devices.waveguide(length=5, mirror_periods=5, **opts) lib['tri_wg28'] = lambda: devices.waveguide(length=28, mirror_periods=5, **opts) lib['tri_bend0'] = lambda: devices.bend(mirror_periods=5, **opts) lib['tri_ysplit'] = lambda: devices.y_splitter(mirror_periods=5, **opts) lib['tri_l3cav'] = lambda: devices.perturbed_l3(xy_size=(4, 10), **opts, hole_lib=lib) # # Build a mixed waveguide with an L3 cavity in the middle # # Immediately start building from an instance of the L3 cavity circ2 = Builder(library=lib, ports='tri_l3cav') # First way to get abstracts is `lib.abstract(name)` circ2.plug(lib.abstract('wg10'), {'input': 'right'}) # Second way to get abstracts is to use an AbstractView abstracts = lib.abstract_view() circ2.plug(abstracts['wg10'], {'output': 'left'}) # Third way to specify an abstract works by automatically getting # it from the library already within the Builder object: # Just pass the pattern name! circ2.plug('tri_wg10', {'input': 'right'}) circ2.plug('tri_wg10', {'output': 'left'}) # Add the circuit to the device library. # It has already been generated, so we can use `set_const` as a shorthand for # `lib['mixed_wg_cav'] = lambda: circ2.pattern` lib.set_const('mixed_wg_cav', circ2.pattern) # # Build a device that could plug into our mixed_wg_cav and joins the two ports # # We'll be designing against an existing device's interface... circ3 = Builder.interface(source=circ2) # ... that lets us continue from where we left off. circ3.plug('tri_bend0', {'input': 'right'}) circ3.plug('tri_bend0', {'input': 'left'}, mirrored=(True, False)) # mirror since no tri y-symmetry circ3.plug('tri_bend0', {'input': 'right'}) circ3.plug('bend0', {'output': 'left'}) circ3.plug('bend0', {'output': 'left'}) circ3.plug('bend0', {'output': 'left'}) circ3.plug('tri_wg10', {'input': 'right'}) circ3.plug('tri_wg28', {'input': 'right'}) circ3.plug('tri_wg10', {'input': 'right', 'output': 'left'}) lib.set_const('loop_segment', circ3.pattern) # # Write all devices into a GDS file # print('Writing library to file...') writefile(lib, 'library.gds', **GDS_OPTS) if __name__ == '__main__': main() # #class prout: # def place( # self, # other: Pattern, # label_layer: layer_t = 'WATLAYER', # *, # port_map: Optional[Dict[str, Optional[str]]] = None, # **kwargs, # ) -> 'prout': # # Pattern.place(self, other, port_map=port_map, **kwargs) # name: Optional[str] # for name in other.ports: # if port_map: # assert(name is not None) # name = port_map.get(name, name) # if name is None: # continue # self.pattern.labels += [ # Label(string=name, offset=self.ports[name].offset, layer=layer)] # return self #