forked from PAWPAW-Mirror/lib_xua
81 lines
3.0 KiB
Python
81 lines
3.0 KiB
Python
# Copyright 2014-2024 XMOS LIMITED.
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# This Software is subject to the terms of the XMOS Public Licence: Version 1.
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import pytest
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import Pyxsim
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from Pyxsim import testers
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from pathlib import Path
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from uart_tx_checker import UARTTxChecker
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from midi_test_helpers import midi_expect_tx, create_midi_tx_file, create_midi_rx_file, tempdir, MIDI_TEST_CONFIGS, MIDI_RATE
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from distutils.dir_util import copy_tree # we're using python 3.7 and dirs_exist_ok=True isn't available until 3.8 :(
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MAX_CYCLES = 15000000
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#####
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# This test takes the built binary, copies it to a tmp dir and runs the midi Tx test which sends some commands
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# to the firmware and then receives them using the UARTTX checker
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#####
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@pytest.mark.parametrize("config", MIDI_TEST_CONFIGS)
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def test_tx(capfd, config, build_midi):
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# Need tempdir as we use the same config files and this causes issues when using xdist
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with tempdir() as tmpdirname:
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copy_tree(build_midi, tmpdirname)
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xe = str(Path(tmpdirname) / f"{config}/test_midi_{config}.xe")
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midi_commands = [[0x90, 0x91, 0x90],# Invalid and should be discarded
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[0x90, 60, 81], # Note on
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[0x80, 60, 81]] # Note off
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# midi_command_expected = midi_commands[1:] # should skip invalid first message
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# Make a 1D list from the 2D list
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midi_command_expected = [[item for row in midi_commands for item in row]]
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create_midi_tx_file(midi_commands)
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create_midi_rx_file()
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expected = midi_expect_tx().expect(midi_command_expected)
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tester = testers.ComparisonTester(expected, ordered = True)
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tx_port = "tile[1]:XS1_PORT_4C"
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baud = MIDI_RATE
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bpb = 8
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parity = 0
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stop = 1
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length_of_test = sum(len(cmd) for cmd in midi_commands)
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simthreads = [
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UARTTxChecker(tx_port, parity, baud, length_of_test, stop, bpb, debug=False)
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]
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simargs = ["--max-cycles", str(MAX_CYCLES), "-o", "trace.txt"]
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#This is just for local debug so we can capture the traces if needed. It slows xsim down so not needed
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# simargs.extend(["--vcd-tracing", "-tile tile[1] -ports -o trace.vcd"])
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# with capfd.disabled(): # use to see xsim and tester output
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Pyxsim.run_with_pyxsim(
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xe,
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simthreads=simthreads,
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timeout=120,
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simargs=simargs,
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)
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capture = capfd.readouterr().out
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result = tester.run(capture.split("\n"))
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# Print to console
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with capfd.disabled():
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print("CAPTURE:", capture)
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print("EXPECTED:", expected)
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# Show tail of trace if there is an error
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if not result:
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with capfd.disabled():
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print("Simulator trace tail:")
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with open("trace.txt") as trace:
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output = trace.readlines()
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print("".join(output[-25:]))
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assert result, f"expected: {expected}\n capture: {capture}"
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