pueda's Introduction

PuEDA

A collection of Python tools for micro-Electronics Design Automation.

PuEDA in an acronym, but also stands for a conjugate for of the Spanish verb "poder" which means "can". The project was born as part of a group of scripts to test the cryptech ecdsa256 IP.

Install (from pypi)

pip3 install pueda

Install (from github)

pip3 install git+https://github.com/bat52/pueda.git@master

Example of simple simulation with Icarus Verilog

from pueda.edalize import icarus
icarus(simname='hello', top='hello_tb', src_dirs = ['./hello'])

Example of simulation with Icarus Verilog

from pueda.edalize import icarus
icarus(simname='counter', top='counter_tb', src_dirs = ['./counter/rtl','./counter/tb'], iverilog_options=['-g2005-sv'])

Example of simulation with pyverilator

from pueda.pyverilator import pyverilator_wrapper
pv = pyverilator_wrapper(fname='./counter/rtl/counter.v', src_dirs=['./counter/rtl'], command_args = [], dump_en = False)

for _ in range(16):
    pv.sim.clock.tick()
    print('count = %d' % pv.sim.io.count)
assert(pv.sim.io.count == 0)

Example of synthesys with yosys

from pueda.yosys import yosys
yosys(top='counter', src_dirs = ['./counter/rtl'], synth_en=True)
# gate count available in ./work_yosys/yosys.log

Common functions

from pueda.common import * 

# list2str : convert a list of strings into a single string
# get_source_files_alldir : returns a file list from a list of directories
# get_source_files: gets all rtl source files from a directory
# get_inc_list: returns a string appending -I to the input list of directories
# get_remote_files: donwload files from an internet url
# vcd_view: visualize a vcd or fst file with gtkwave
# get_clean_work: generate a clean work direactory for a specific tool
# write_file_lines: print a file to screen

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