Integrated Circuit Hierarchy
Project description
Integrated Circuit Hierarchy
做什么用?
懒得写,AI 帮我总结了一下。
ichier
是一个用于创建和处理电路设计的 Python 库。它允许用户定义设计、模块、端口和实例,并生成对应的代码。这个库可以用于以下几个方面:
-
设计创建:通过
Design
和Module
等类,可以构建电路设计,并添加多个模块来实现抽象的对应关系。 -
终端和网络定义:可以轻松定义模块之间的连接,通过设置输入输出端口
Terminal
和内部网络net
来描述电路的交互。 -
实例化模块:允许将模块实例化多次,以便在设计中复用特定的功能,比如在一个电路中多次使用同一个逻辑门。
-
代码解析:支持解析 SPICE 和 Verilog 格式的电路文件,生成
Design
对象,方便分析电路结构和参数,提取设计信息。 -
命令行交互:支持在 Python 中启动交互式 shell,方便对电路的信息进行查询。
安装
pip install ichier -U
描述一个电路
buffer.py
from ichier import *
design = Design(
modules=[
Module(
name="inv",
terminals=[
Terminal(name="A", direction="input"),
Terminal(name="Z", direction="output"),
],
),
Module(
name="buf",
terminals=[
Terminal(
name="A",
direction="input",
net_name="A",
),
Terminal(
name="Z",
direction="output",
net_name="Z",
),
],
nets=[
Net(name="A"),
Net(name="Z"),
Net(name="inter"),
],
instances=[
Instance(
name="i1",
reference="inv",
connection={
"A": "A",
"Z": "Z",
},
parameters={"size": "x2"},
),
Instance(
name="i2",
reference="inv",
connection={
"A": "Z",
"Z": "A",
},
parameters={"size": "x4"},
),
],
),
],
)
- 查询信息
design.modules.figs
# (Module(name='inv'), Module(name='buf'))
buf = design.modules["buf"]
buf.terminals.figs
# (Terminal(name=A, in), Terminal(name=Z, out))
buf.instances.figs
# (Instance(name='i1'), Instance(name='i2'))
buf.nets.figs
# (Net(name='A'), Net(name='Z'), Net(name='inter'))
从网表读入设计
- 解析 SPICE 文件
from ichier.parser import fromSpice
design = fromSpice("top.cdl")
- 解析 Verilog 文件
from ichier.parser import fromVerilog
design = fromVerilog("top.v")
- 也可以直接使用 CLI 工具
python -m ichier parse spice top.cdl
预先安装
ipython
和rich
库,会有更好的交互体验。
LICENSE
GNU Affero General Public License v3
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