conftest.py

import pytest

def pytest_addoption(parser):
    parser.addoption(
        '--dump_waveforms', action='store_true', help='Dump waveforms from test.'
    )

    parser.addoption(
        '--simulator_name', default=None, type=str, help='Name of the simulator to use.'
    )

    parser.addoption(
        '--board_name', default='ZC702', type=str, help='Name of the FPGA board.'
    )

    parser.addoption(
        '--ser_port', default='/dev/ttyUSB2', type=str, help='USB serial path.'
    )

    parser.addoption(
        '--ffe_length', default=4, type=int, help='Number of FFE coefficients per channel.'
    )

    parser.addoption(
        '--emu_clk_freq', default=5.0e6, type=float, help='Frequency of emulator clock (Hz)'
    )

    parser.addoption(
        '--prbs_test_dur', default=10.0, type=float, help='Length of time of the PRBS emulation test.'
    )

    parser.addoption(
        '--fpga_sim_ctrl', default='UART_ZYNQ', type=str, help='Emulation control style (UART or VIO)'
    )

    parser.addoption(
        '--jitter_rms', default=0, type=float, help='RMS sampling jitter (seconds)'
    )

    parser.addoption(
        '--noise_rms', default=0, type=float, help='RMS ADC noise (Volts)'
    )
    
    parser.addoption(
        '--flatten_hierarchy', default='rebuilt', type=str, help='Vivado synthesis option.'
    )

    parser.addoption(
        '--chan_tau', default=25e-12, type=float, help='Time constant of channel used in emulation (seconds).'
    )

    parser.addoption(
        '--chan_delay', default=31.25e-12, type=float, help='Delay of channel used in emulation (seconds).'
    )

@pytest.fixture
def dump_waveforms(request):
    return request.config.getoption('--dump_waveforms')

@pytest.fixture
def simulator_name(request):
    return request.config.getoption('--simulator_name')

@pytest.fixture
def board_name(request):
    return request.config.getoption('--board_name')

@pytest.fixture
def ser_port(request):
    return request.config.getoption('--ser_port')

@pytest.fixture
def ffe_length(request):
    return request.config.getoption('--ffe_length')

@pytest.fixture
def emu_clk_freq(request):
    return request.config.getoption('--emu_clk_freq')

@pytest.fixture
def prbs_test_dur(request):
    return request.config.getoption('--prbs_test_dur')

@pytest.fixture
def fpga_sim_ctrl(request):
    return request.config.getoption('--fpga_sim_ctrl')

@pytest.fixture
def jitter_rms(request):
    return request.config.getoption('--jitter_rms')

@pytest.fixture
def noise_rms(request):
    return request.config.getoption('--noise_rms')

@pytest.fixture
def flatten_hierarchy(request):
    return request.config.getoption('--flatten_hierarchy')

@pytest.fixture
def chan_tau(request):
    return request.config.getoption('--chan_tau')

@pytest.fixture
def chan_delay(request):
    return request.config.getoption('--chan_delay')