python自动例化verilog的代码
时间: 2023-11-13 21:06:52 浏览: 368
可以使用Python的jinja2模板引擎,结合Verilog的语法规则,来自动生成Verilog代码。以下是一个简单的例子,使用jinja2模板引擎生成一个简单的8位寄存器的Verilog代码:
- 安装jinja2
pip install jinja2
- 创建模板文件
在当前目录下创建一个名为register_template.v
的文件,内容如下:
module {{ module_name }} (
input clk,
input reset_n,
input write_enable,
input [7:0] data_in,
output reg [7:0] data_out
);
reg [7:0] reg_data;
always @(posedge clk or negedge reset_n) begin
if (~reset_n) begin
reg_data <= 8'h00;
end else if (write_enable) begin
reg_data <= data_in;
end
data_out <= reg_data;
end
endmodule
- 编写Python代码
在当前目录下创建一个名为register_generator.py
的文件,内容如下:
from jinja2 import Template
def generate_verilog():
# 模块名
module_name = "register"
# 渲染模板
template = Template(open("register_template.v").read())
rendered = template.render(module_name=module_name)
# 保存生成的文件
with open(f"{module_name}.v", "w") as f:
f.write(rendered)
if __name__ == "__main__":
generate_verilog()
- 运行Python代码
在命令行中运行以下命令:
python register_generator.py
这将生成一个名为register.v
的文件,其中包含自动生成的Verilog代码。
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