From 2bac66792f380106eeb9ef13fb75fb0d1ecf6bda Mon Sep 17 00:00:00 2001
From: Thomas Kramer <code@tkramer.ch>
Date: Fri, 31 Mar 2023 13:35:35 +0200
Subject: [PATCH] pull17, magic writer: remove hardcoded technology name
* instead introduce the `magscale` parameter for `MagicWriter`
* use `magscale` parameter in the tech-file to set the correct scale
---
lclayout/writer/magic_writer.py | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/lclayout/writer/magic_writer.py b/lclayout/writer/magic_writer.py
index d82514f..9aa5f78 100644
--- a/lclayout/writer/magic_writer.py
+++ b/lclayout/writer/magic_writer.py
@@ -93,7 +93,8 @@ def store_layout_to_magic_file(tech_name: str,
top_cell: db.Cell,
output_file: str,
ignore_non_rectilinear: bool = False,
- scale_factor: int = 1):
+ scale_factor: int = 1,
+ magscale: Tuple[int, int] = (1, 10)):
"""
Write the cell layout to a file in the Magic (.mag) format.
@@ -106,6 +107,8 @@ def store_layout_to_magic_file(tech_name: str,
:return:
"""
+ assert len(magscale) == 2, "magscale must be a 2-tuple"
+
layer_config = []
for source_layer_name, destinations in output_map.items():
assert isinstance(destinations, str) or isinstance(destinations, List), \
@@ -126,7 +129,7 @@ def store_layout_to_magic_file(tech_name: str,
mag_lines = ["magic",
"# Generated by librecell",
"tech {}".format(tech_name),
- "magscale 1 10" if tech_name=='gf180mcuC' else "magscale 1 1",
+ f"magscale {magscale[0]} {magscale[1]}",
"timestamp {}".format(int(time.time()))
]
@@ -197,7 +200,12 @@ def store_layout_to_magic_file(tech_name: str,
class MagWriter(Writer):
- def __init__(self, tech_name: str, output_map: Dict[str, str], scale_factor: float = 1):
+ def __init__(self,
+ tech_name: str,
+ output_map: Dict[str, str],
+ scale_factor: float = 1,
+ magscale: Tuple[int, int] = (1, 10)
+ ):
"""
:param tech_name:
@@ -207,6 +215,7 @@ class MagWriter(Writer):
self.tech_name = tech_name
self.output_map = output_map
self.scale_factor = scale_factor
+ self.magscale = magscale
def write_layout(self,
layout: db.Layout,
@@ -225,4 +234,6 @@ class MagWriter(Writer):
top_cell,
mag_out_path,
ignore_non_rectilinear=False,
- scale_factor=self.scale_factor)
+ scale_factor=self.scale_factor,
+ magscale=self.magscale
+ )
--
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