41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
|
# SPDX-FileCopyrightText: © 2024 Tiny Tapeout
|
||
|
|
# SPDX-License-Identifier: MIT
|
||
|
|
|
||
|
|
import cocotb
|
||
|
|
from cocotb.clock import Clock
|
||
|
|
from cocotb.triggers import ClockCycles
|
||
|
|
|
||
|
|
|
||
|
|
@cocotb.test()
|
||
|
|
async def test_project(dut):
|
||
|
|
dut._log.info("Start")
|
||
|
|
|
||
|
|
# Set the clock period to 10 us (100 KHz)
|
||
|
|
clock = Clock(dut.clk, 10, units="us")
|
||
|
|
cocotb.start_soon(clock.start())
|
||
|
|
|
||
|
|
# Reset
|
||
|
|
dut._log.info("Reset")
|
||
|
|
dut.ena.value = 1
|
||
|
|
dut.ui_in.value = 0
|
||
|
|
dut.uio_in.value = 0
|
||
|
|
dut.rst_n.value = 0
|
||
|
|
await ClockCycles(dut.clk, 10)
|
||
|
|
dut.rst_n.value = 1
|
||
|
|
|
||
|
|
dut._log.info("Test project behavior")
|
||
|
|
|
||
|
|
# Set the input values you want to test
|
||
|
|
dut.ui_in.value = 20
|
||
|
|
dut.uio_in.value = 30
|
||
|
|
|
||
|
|
# Wait for one clock cycle to see the output values
|
||
|
|
await ClockCycles(dut.clk, 1)
|
||
|
|
|
||
|
|
# The following assersion is just an example of how to check the output values.
|
||
|
|
# Change it to match the actual expected output of your module:
|
||
|
|
assert dut.uo_out.value == 50
|
||
|
|
|
||
|
|
# Keep testing the module by changing the input values, waiting for
|
||
|
|
# one or more clock cycles, and asserting the expected output values.
|