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run.py
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#!/usr/bin/env python3
#
# DVB FPGA
#
# Copyright 2019-2022 by suoto <[email protected]>
#
# This source describes Open Hardware and is licensed under the CERN-OHL-W v2.
#
# You may redistribute and modify this source and make products using it under
# the terms of the CERN-OHL-W v2 (https://ohwr.org/cern_ohl_w_v2.txt).
#
# This source is distributed WITHOUT ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING
# OF MERCHANTABILITY, SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE.
# Please see the CERN-OHL-W v2 for applicable conditions.
#
# Source location: https://github.com/phase4ground/dvb_fpga
#
# As per CERN-OHL-W v2 section 4.1, should You produce hardware based on this
# source, You must maintain the Source Location visible on the external case of
# the DVB Encoder or other products you make using this source."VUnit test runner for DVB FPGA"
"""Main unit test entry point"""
# pylint: disable=unspecified-encoding
import logging
import math
import os
import os.path as p
import random
import re
import subprocess as subp
import sys
import time
from enum import Enum
from multiprocessing import Pool
from typing import List, NamedTuple
from vunit.ui import VUnit # type: ignore
from vunit.vunit_cli import VUnitCLI # type: ignore
_logger = logging.getLogger(__name__)
ROOT = p.abspath(p.dirname(__file__))
class ConstellationType(Enum):
"""
Constellation types as defined in the DVB-S2 spec. Enum names should match
the C/C++ defines, values are a nice string representation for the test
names.
"""
MOD_QPSK = "QPSK"
MOD_8PSK = "8PSK"
MOD_16APSK = "16APSK"
MOD_32APSK = "32APSK"
class FrameType(Enum):
"""
Frame types as defined in the DVB-S2 spec. Enum names should match
the C/C++ defines, values are a nice string representation for the test
names.
"""
FECFRAME_NORMAL = "normal"
FECFRAME_SHORT = "short"
class CodeRate(Enum):
"""
Code rates as defined in the DVB-S2 spec. Enum names should match the C/C++
defines, values are a nice string representation for the test names.
"""
C1_4 = "1/4"
C1_3 = "1/3"
C2_5 = "2/5"
C1_2 = "1/2"
C3_5 = "3/5"
C2_3 = "2/3"
C3_4 = "3/4"
C4_5 = "4/5"
C5_6 = "5/6"
C8_9 = "8/9"
C9_10 = "9/10"
class TestDefinition(
NamedTuple(
"TestDefinition",
[
("name", str),
("test_files_path", str),
("code_rate", CodeRate),
("frame_type", FrameType),
("constellation", ConstellationType),
("pilots", bool),
],
)
):
"""
Placeholder for a test config
"""
def __init__(self, *args, **kwargs): # pylint: disable=unused-argument
super().__init__()
self.timestamp = p.join(self.test_files_path, "timestamp")
@staticmethod
def fromConfigTuple(frame_type, constellation, code_rate, pilots):
"""
Returns a TestDefinition object from a config tuple
"""
test_files_path = p.join(
ROOT,
"gnuradio_data",
f"{frame_type.name}_{constellation.name}_{code_rate.name}".upper(),
)
name = ",".join(
[
f"FrameType={frame_type.value}",
f"ConstellationType={constellation.value}",
f"CodeRate={code_rate.value}",
f"pilots={'on' if pilots else 'off'}",
]
)
return TestDefinition(
name, test_files_path, code_rate, frame_type, constellation, pilots
)
def getTestConfigString(self):
"""
Returns the value for the 'test_cfg' string of the testbench
"""
# For some reason, double backslashes are stripped out on Windows, so
# replace them with regular forward slashes
test_files_path = self.test_files_path
if sys.platform == "win32":
test_files_path = test_files_path.replace("\\", "/")
return ",".join(
[
self.constellation.name,
self.frame_type.name,
self.code_rate.name,
str(self.pilots),
test_files_path,
]
)
def _getConfigs(
code_rates=CodeRate,
frame_types=FrameType,
constellations=ConstellationType,
pilots=None,
):
"Iterates over the configs enums and returns a iterator of TestDefinition"
pilots = [False, True] if pilots is None else (pilots,)
for code_rate in code_rates:
for frame_type in frame_types:
for constellation in constellations:
if (
frame_type is FrameType.FECFRAME_SHORT
and code_rate is CodeRate.C9_10
):
continue
for pilot in pilots:
yield TestDefinition.fromConfigTuple(
code_rate=code_rate,
frame_type=frame_type,
constellation=constellation,
pilots=pilot,
)
TEST_CONFIGS = set(_getConfigs())
def _getAcmCommandByte(
frame_type: FrameType,
constellation: ConstellationType,
code_rate: CodeRate,
pilots: bool,
):
result = 0
if frame_type == FrameType.FECFRAME_SHORT:
result |= 1 << 6
if pilots:
result |= 1 << 5
try:
result |= {
(ConstellationType.MOD_QPSK, CodeRate.C1_4): 1,
(ConstellationType.MOD_QPSK, CodeRate.C1_3): 2,
(ConstellationType.MOD_QPSK, CodeRate.C2_5): 3,
(ConstellationType.MOD_QPSK, CodeRate.C1_2): 4,
(ConstellationType.MOD_QPSK, CodeRate.C3_5): 5,
(ConstellationType.MOD_QPSK, CodeRate.C2_3): 6,
(ConstellationType.MOD_QPSK, CodeRate.C3_4): 7,
(ConstellationType.MOD_QPSK, CodeRate.C4_5): 8,
(ConstellationType.MOD_QPSK, CodeRate.C5_6): 9,
(ConstellationType.MOD_QPSK, CodeRate.C8_9): 10,
(ConstellationType.MOD_QPSK, CodeRate.C9_10): 11,
(ConstellationType.MOD_8PSK, CodeRate.C3_5): 12,
(ConstellationType.MOD_8PSK, CodeRate.C2_3): 13,
(ConstellationType.MOD_8PSK, CodeRate.C3_4): 14,
(ConstellationType.MOD_8PSK, CodeRate.C5_6): 15,
(ConstellationType.MOD_8PSK, CodeRate.C8_9): 16,
(ConstellationType.MOD_8PSK, CodeRate.C9_10): 17,
(ConstellationType.MOD_16APSK, CodeRate.C2_3): 18,
(ConstellationType.MOD_16APSK, CodeRate.C3_4): 19,
(ConstellationType.MOD_16APSK, CodeRate.C4_5): 20,
(ConstellationType.MOD_16APSK, CodeRate.C5_6): 21,
(ConstellationType.MOD_16APSK, CodeRate.C8_9): 22,
(ConstellationType.MOD_16APSK, CodeRate.C9_10): 23,
(ConstellationType.MOD_32APSK, CodeRate.C3_4): 24,
(ConstellationType.MOD_32APSK, CodeRate.C4_5): 25,
(ConstellationType.MOD_32APSK, CodeRate.C5_6): 26,
(ConstellationType.MOD_32APSK, CodeRate.C8_9): 27,
(ConstellationType.MOD_32APSK, CodeRate.C9_10): 28,
}[(constellation, code_rate)]
except KeyError:
_logger.warning(
"Failed to get ACM command byte for %s, %s, %s, %s",
frame_type,
constellation,
code_rate,
pilots,
)
return result
def _runGnuRadio(config):
"""
Runs gnuradio_data/dvbs2_encoder_flow_diagram.py script via shell. Reason
for not importing and running locally is to allow GNI Radio's Python
environment to be independent of VUnit's Python env.
"""
print(f"Generating data for {config.name}")
command = [
p.join(ROOT, "gnuradio_data", "dvbs2_encoder_flow_diagram.py"),
"--frame-type",
config.frame_type.name,
"--constellation",
config.constellation.name,
"--code-rate",
config.code_rate.name,
]
if not p.exists(config.test_files_path):
os.makedirs(config.test_files_path)
try:
subp.check_output(command, cwd=config.test_files_path, stderr=subp.PIPE)
with open(config.timestamp, "w") as fd:
fd.write(time.asctime())
except subp.CalledProcessError as exc:
_logger.error(
'Failed to generate GUN Radio data. Command used: "%s"\nResult:\n%s',
" ".join(map(str, command)),
exc.stderr.decode(),
)
raise
# Generate the dvbs2_encoder_wrapper test files by inserting the metadata
# into the data stream
_addModcodToInputData(
_getAcmCommandByte(
config.frame_type, config.constellation, config.code_rate, False
),
p.join(config.test_files_path, "input_data_packed.bin"),
p.join(config.test_files_path, "dvbs2_encoder_wrapper_input_pilots_off.bin"),
)
_addModcodToInputData(
_getAcmCommandByte(
config.frame_type, config.constellation, config.code_rate, True
),
p.join(config.test_files_path, "input_data_packed.bin"),
p.join(config.test_files_path, "dvbs2_encoder_wrapper_input_pilots_on.bin"),
)
def _addModcodToInputData(metadata: int, source: str, target: str):
"""
Add in-band signalling according to ETSI EN 302 307 Appendix I.2
"""
with open(target, "wb") as target_fd:
target_fd.write(b"%c" % 0xB8)
target_fd.write(b"%c" % metadata)
with open(source, "rb") as source_fd:
target_fd.write(source_fd.read())
def _generateGnuRadioData():
"""
Generates GNU Radio data for configs whose test files can't found
"""
configs = []
for config in TEST_CONFIGS:
if not p.exists(config.timestamp):
configs += [config]
# Generate needed data on a process pool to speed up things
with Pool() as pool:
pool.map(_runGnuRadio, configs)
LDPC_Q = {
(FrameType.FECFRAME_NORMAL, CodeRate.C1_4): 135,
(FrameType.FECFRAME_NORMAL, CodeRate.C1_3): 120,
(FrameType.FECFRAME_NORMAL, CodeRate.C2_5): 108,
(FrameType.FECFRAME_NORMAL, CodeRate.C1_2): 90,
(FrameType.FECFRAME_NORMAL, CodeRate.C3_5): 72,
(FrameType.FECFRAME_NORMAL, CodeRate.C2_3): 60,
(FrameType.FECFRAME_NORMAL, CodeRate.C3_4): 45,
(FrameType.FECFRAME_NORMAL, CodeRate.C4_5): 36,
(FrameType.FECFRAME_NORMAL, CodeRate.C5_6): 30,
(FrameType.FECFRAME_NORMAL, CodeRate.C8_9): 20,
(FrameType.FECFRAME_NORMAL, CodeRate.C9_10): 18,
(FrameType.FECFRAME_SHORT, CodeRate.C1_4): 36,
(FrameType.FECFRAME_SHORT, CodeRate.C1_3): 30,
(FrameType.FECFRAME_SHORT, CodeRate.C2_5): 27,
(FrameType.FECFRAME_SHORT, CodeRate.C1_2): 25,
(FrameType.FECFRAME_SHORT, CodeRate.C3_5): 18,
(FrameType.FECFRAME_SHORT, CodeRate.C2_3): 15,
(FrameType.FECFRAME_SHORT, CodeRate.C3_4): 12,
(FrameType.FECFRAME_SHORT, CodeRate.C4_5): 10,
(FrameType.FECFRAME_SHORT, CodeRate.C5_6): 8,
(FrameType.FECFRAME_SHORT, CodeRate.C8_9): 5,
}
LDPC_LENGTH = {
(FrameType.FECFRAME_NORMAL, CodeRate.C1_4): 64_800 - 16_200,
(FrameType.FECFRAME_NORMAL, CodeRate.C1_3): 64_800 - 21_600,
(FrameType.FECFRAME_NORMAL, CodeRate.C2_5): 64_800 - 25_920,
(FrameType.FECFRAME_NORMAL, CodeRate.C1_2): 64_800 - 32_400,
(FrameType.FECFRAME_NORMAL, CodeRate.C3_5): 64_800 - 38_880,
(FrameType.FECFRAME_NORMAL, CodeRate.C2_3): 64_800 - 43_200,
(FrameType.FECFRAME_NORMAL, CodeRate.C3_4): 64_800 - 48_600,
(FrameType.FECFRAME_NORMAL, CodeRate.C4_5): 64_800 - 51_840,
(FrameType.FECFRAME_NORMAL, CodeRate.C5_6): 64_800 - 54_000,
(FrameType.FECFRAME_NORMAL, CodeRate.C8_9): 64_800 - 57_600,
(FrameType.FECFRAME_NORMAL, CodeRate.C9_10): 64_800 - 58_320,
(FrameType.FECFRAME_SHORT, CodeRate.C1_4): 16_200 - 3_240,
(FrameType.FECFRAME_SHORT, CodeRate.C1_3): 16_200 - 5_400,
(FrameType.FECFRAME_SHORT, CodeRate.C2_5): 16_200 - 6_480,
(FrameType.FECFRAME_SHORT, CodeRate.C1_2): 16_200 - 7_200,
(FrameType.FECFRAME_SHORT, CodeRate.C3_5): 16_200 - 9_720,
(FrameType.FECFRAME_SHORT, CodeRate.C2_3): 16_200 - 10_800,
(FrameType.FECFRAME_SHORT, CodeRate.C3_4): 16_200 - 11_880,
(FrameType.FECFRAME_SHORT, CodeRate.C4_5): 16_200 - 12_600,
(FrameType.FECFRAME_SHORT, CodeRate.C5_6): 16_200 - 13_320,
(FrameType.FECFRAME_SHORT, CodeRate.C8_9): 16_200 - 14_400,
}
PHYSICAL_LAYER_HEADER_CONFIGS = {
TestDefinition.fromConfigTuple(frame_type, constellation, code_rate, pilots)
for frame_type, constellation, code_rate, pilots in (
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C2_3, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C3_4, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C4_5, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C5_6, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C8_9, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C3_4, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C4_5, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C5_6, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C8_9, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_8PSK, CodeRate.C2_3, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_8PSK, CodeRate.C3_4, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_8PSK, CodeRate.C3_5, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_8PSK, CodeRate.C5_6, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_8PSK, CodeRate.C8_9, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C1_2, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C1_3, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C1_4, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C2_3, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C2_5, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C3_4, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C3_5, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C4_5, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C5_6, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C8_9, False),
# (FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C9_10, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C2_3, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C3_4, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C4_5, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C5_6, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C8_9, False),
(
FrameType.FECFRAME_NORMAL,
ConstellationType.MOD_16APSK,
CodeRate.C9_10,
False,
),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C3_4, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C4_5, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C5_6, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C8_9, False),
(
FrameType.FECFRAME_NORMAL,
ConstellationType.MOD_32APSK,
CodeRate.C9_10,
False,
),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C2_3, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C3_4, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C3_5, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C5_6, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C8_9, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C9_10, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C1_2, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C1_3, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C1_4, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C2_3, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C2_5, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C3_4, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C3_5, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C4_5, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C5_6, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C8_9, False),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C9_10, False),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C2_3, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C3_4, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C4_5, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C5_6, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C8_9, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C3_4, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C4_5, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C5_6, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C8_9, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_8PSK, CodeRate.C2_3, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_8PSK, CodeRate.C3_4, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_8PSK, CodeRate.C3_5, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_8PSK, CodeRate.C5_6, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_8PSK, CodeRate.C8_9, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C1_2, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C1_3, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C1_4, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C2_3, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C2_5, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C3_4, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C3_5, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C4_5, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C5_6, True),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C8_9, True),
# (FrameType.FECFRAME_SHORT, ConstellationType.MOD_QPSK, CodeRate.C9_10, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C2_3, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C3_4, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C4_5, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C5_6, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C8_9, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C9_10, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C3_4, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C4_5, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C5_6, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C8_9, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C9_10, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C2_3, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C3_4, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C3_5, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C5_6, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C8_9, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_8PSK, CodeRate.C9_10, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C1_2, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C1_3, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C1_4, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C2_3, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C2_5, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C3_4, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C3_5, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C4_5, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C5_6, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C8_9, True),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_QPSK, CodeRate.C9_10, True),
)
}
# Physical layer scrambler doesn't do anything with pilots
PHYSICAL_LAYER_SCRAMBLER_CONFIGS = {
config for config in PHYSICAL_LAYER_HEADER_CONFIGS if not config.pilots
}
# List specific valid 16 APSK and 32 APSK configs
CONSTELLATION_MAPPER_CONFIGS = (
set(_getConfigs(constellations=(ConstellationType.MOD_QPSK,)))
| set(_getConfigs(constellations=(ConstellationType.MOD_8PSK,)))
| {
TestDefinition.fromConfigTuple(frame_type, constellation, code_rate, False)
for frame_type, constellation, code_rate in (
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C2_3),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C3_4),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C4_5),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C5_6),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C8_9),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C9_10),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C3_5),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C2_3),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C3_4),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C4_5),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C5_6),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C8_9),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C3_5),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C3_4),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C4_5),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C5_6),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C8_9),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C9_10),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C3_4),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C4_5),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C5_6),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C8_9),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C2_3),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C3_4),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C4_5),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C5_6),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C8_9),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C9_10),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_16APSK, CodeRate.C3_5),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C2_3),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C3_4),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C4_5),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C5_6),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C8_9),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_16APSK, CodeRate.C3_5),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C3_4),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C4_5),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C5_6),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C8_9),
(FrameType.FECFRAME_NORMAL, ConstellationType.MOD_32APSK, CodeRate.C9_10),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C3_4),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C4_5),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C5_6),
(FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C8_9),
# this should work but GNU Radio itself doesn't handle it for some
# reason
# (FrameType.FECFRAME_SHORT, ConstellationType.MOD_32APSK, CodeRate.C9_10),
)
}
)
def _populateLdpcTable(config: TestDefinition): # pylint: disable=too-many-locals
"""
Creates the unrolled binary LDPC table file for the LDPC encoder testbench
a CSV file with coefficients (from DVB-S2 spec's appendices B and C).
"""
bin_table_path = p.join(config.test_files_path, "ldpc_table.bin")
text_table_path = p.join(config.test_files_path, "ldpc_table.txt")
if p.exists(bin_table_path) and p.exists(text_table_path):
return
csv_table = p.join(
ROOT,
"misc",
"ldpc",
f"ldpc_table_{config.frame_type.name}_{config.code_rate.name}.csv",
)
print(
f"Generating LDPC table for FECFRAME={config.frame_type.value}, "
f'code rate={config.code_rate.value} using "{csv_table}" as reference. '
f'Binary data will be written to "{config.test_files_path}"',
)
with open(csv_table, "r") as fd:
table = [x.split(",") for x in fd.read().split("\n") if x]
table_q = LDPC_Q[(config.frame_type, config.code_rate)]
table_length = LDPC_LENGTH[(config.frame_type, config.code_rate)]
word_cnt = 0
bin_table: List[str] = []
text_table: List[str] = []
bin_table += ["# Offset, next, bit index"]
# Each offset is 16 bits (to represent 64,800 bits of FECFRAME_NORMAL),
# but we'll also embed the s_ldpc_next values into the file as well on a
# byte, so data width will 24: data[16] is s_ldpc_next while data[15:0] is
# the actual offset
bit_index = 0
for line in table:
for _ in range(360):
text_table += [f"{bit_index:5d} || "]
for i, coefficient in enumerate(tuple(int(x) for x in line)):
offset = (coefficient + (bit_index % 360) * table_q) % table_length
bin_table += [f"{offset},{int(i == len(line) - 1)},{bit_index}"]
text_table[-1] += f" {word_cnt:5d}, {offset:5d} |"
word_cnt += 1
bit_index += 1
with open(bin_table_path, "wb") as bin_table_fd:
bin_table_fd.write(b"\n".join([bytes(x, encoding="utf8") for x in bin_table]))
with open(text_table_path, "w") as text_table_fd:
text_table_fd.write("\n".join(text_table))
def _getModulationTable(
frame_type: FrameType, constellation: ConstellationType, code_rate: CodeRate
):
"""
Returns the modulation table for a given config. Please note we're scaling
the constellation radius to keep values between [-1, 1). Also, this is for
refence only since the RAMs now come with the correct initial values for
all configs
"""
# pylint: disable=invalid-name
if constellation == ConstellationType.MOD_QPSK:
return (
# QPSK
(math.cos(math.pi / 4.0), math.sin(math.pi / 4.0)),
(math.cos(7 * math.pi / 4.0), math.sin(7 * math.pi / 4.0)),
(math.cos(3 * math.pi / 4.0), math.sin(3 * math.pi / 4.0)),
(math.cos(5 * math.pi / 4.0), math.sin(5 * math.pi / 4.0)),
)
if constellation == ConstellationType.MOD_8PSK:
return (
(math.cos(math.pi / 4.0), math.sin(math.pi / 4.0)),
(math.cos(0.0), math.sin(0.0)),
(math.cos(4 * math.pi / 4.0), math.sin(4 * math.pi / 4.0)),
(math.cos(5 * math.pi / 4.0), math.sin(5 * math.pi / 4.0)),
(math.cos(2 * math.pi / 4.0), math.sin(2 * math.pi / 4.0)),
(math.cos(7 * math.pi / 4.0), math.sin(7 * math.pi / 4.0)),
(math.cos(3 * math.pi / 4.0), math.sin(3 * math.pi / 4.0)),
(math.cos(6 * math.pi / 4.0), math.sin(6 * math.pi / 4.0)),
)
if constellation == ConstellationType.MOD_16APSK:
r1 = 1.0
r2 = 1.0
if frame_type == FrameType.FECFRAME_NORMAL:
r1 = {
CodeRate.C2_3: r2 / 3.15,
CodeRate.C3_4: r2 / 2.85,
CodeRate.C4_5: r2 / 2.75,
CodeRate.C5_6: r2 / 2.70,
CodeRate.C8_9: r2 / 2.60,
CodeRate.C9_10: r2 / 2.57,
CodeRate.C3_5: r2 / 3.70,
}.get(code_rate, 0.0)
elif frame_type == FrameType.FECFRAME_SHORT:
r1 = {
CodeRate.C2_3: r2 / 3.15,
CodeRate.C3_4: r2 / 2.85,
CodeRate.C4_5: r2 / 2.75,
CodeRate.C5_6: r2 / 2.70,
CodeRate.C8_9: r2 / 2.60,
CodeRate.C3_5: r2 / 3.70,
}.get(code_rate, 0.0)
# Needed since GNU Radio 3.8 (see https://github.com/gnuradio/gnuradio/commit/efe3e6c1)
r0 = math.sqrt(4.0 / ((r1 * r1) + 3.0 * (r2 * r2)))
r1 = r0 * r1
r2 = r0 * r2
scaling = max(r0, r1, r2)
r0 = r0 / scaling
r1 = r1 / scaling
r2 = r2 / scaling
return (
(r2 * math.cos(math.pi / 4), r2 * math.sin(math.pi / 4)),
(r2 * math.cos(-math.pi / 4), r2 * math.sin(-math.pi / 4)),
(r2 * math.cos(3 * math.pi / 4), r2 * math.sin(3 * math.pi / 4)),
(r2 * math.cos(-3 * math.pi / 4), r2 * math.sin(-3 * math.pi / 4)),
(r2 * math.cos(math.pi / 12), r2 * math.sin(math.pi / 12)),
(r2 * math.cos(-math.pi / 12), r2 * math.sin(-math.pi / 12)),
(r2 * math.cos(11 * math.pi / 12), r2 * math.sin(11 * math.pi / 12)),
(r2 * math.cos(-11 * math.pi / 12), r2 * math.sin(-11 * math.pi / 12)),
(r2 * math.cos(5 * math.pi / 12), r2 * math.sin(5 * math.pi / 12)),
(r2 * math.cos(-5 * math.pi / 12), r2 * math.sin(-5 * math.pi / 12)),
(r2 * math.cos(7 * math.pi / 12), r2 * math.sin(7 * math.pi / 12)),
(r2 * math.cos(-7 * math.pi / 12), r2 * math.sin(-7 * math.pi / 12)),
(r1 * math.cos(math.pi / 4), r1 * math.sin(math.pi / 4)),
(r1 * math.cos(-math.pi / 4), r1 * math.sin(-math.pi / 4)),
(r1 * math.cos(3 * math.pi / 4), r1 * math.sin(3 * math.pi / 4)),
(r1 * math.cos(-3 * math.pi / 4), r1 * math.sin(-3 * math.pi / 4)),
)
if constellation == ConstellationType.MOD_32APSK:
r1 = 1.0
r2 = 1.0
r3 = 1.0
r1 = {
CodeRate.C3_4: r3 / 5.27,
CodeRate.C4_5: r3 / 4.87,
CodeRate.C5_6: r3 / 4.64,
CodeRate.C8_9: r3 / 4.33,
CodeRate.C9_10: r3 / 4.30,
}.get(code_rate, 0.0)
r2 = {
CodeRate.C3_4: r1 * 2.84,
CodeRate.C4_5: r1 * 2.72,
CodeRate.C5_6: r1 * 2.64,
CodeRate.C8_9: r1 * 2.54,
CodeRate.C9_10: r1 * 2.53,
}.get(code_rate, 0.0)
# Needed since GNU Radio 3.8 (see https://github.com/gnuradio/gnuradio/commit/efe3e6c1)
r0 = math.sqrt(8.0 / ((r1 * r1) + 3.0 * (r2 * r2) + 4.0 * (r3 * r3)))
r1 *= r0
r2 *= r0
r3 *= r0
scaling = max(r0, r1, r2, r3)
r0 = r0 / scaling
r1 = r1 / scaling
r2 = r2 / scaling
r3 = r3 / scaling
return (
(r2 * math.cos(math.pi / 4), r2 * math.sin(math.pi / 4)),
(r2 * math.cos(5 * math.pi / 12), r2 * math.sin(5 * math.pi / 12)),
(r2 * math.cos(-math.pi / 4), r2 * math.sin(-math.pi / 4)),
(r2 * math.cos(-5 * math.pi / 12), r2 * math.sin(-5 * math.pi / 12)),
(r2 * math.cos(3 * math.pi / 4), r2 * math.sin(3 * math.pi / 4)),
(r2 * math.cos(7 * math.pi / 12), r2 * math.sin(7 * math.pi / 12)),
(r2 * math.cos(-3 * math.pi / 4), r2 * math.sin(-3 * math.pi / 4)),
(r2 * math.cos(-7 * math.pi / 12), r2 * math.sin(-7 * math.pi / 12)),
(r3 * math.cos(math.pi / 8), r3 * math.sin(math.pi / 8)),
(r3 * math.cos(3 * math.pi / 8), r3 * math.sin(3 * math.pi / 8)),
(r3 * math.cos(-math.pi / 4), r3 * math.sin(-math.pi / 4)),
(r3 * math.cos(-math.pi / 2), r3 * math.sin(-math.pi / 2)),
(r3 * math.cos(3 * math.pi / 4), r3 * math.sin(3 * math.pi / 4)),
(r3 * math.cos(math.pi / 2), r3 * math.sin(math.pi / 2)),
(r3 * math.cos(-7 * math.pi / 8), r3 * math.sin(-7 * math.pi / 8)),
(r3 * math.cos(-5 * math.pi / 8), r3 * math.sin(-5 * math.pi / 8)),
(r2 * math.cos(math.pi / 12), r2 * math.sin(math.pi / 12)),
(r1 * math.cos(math.pi / 4), r1 * math.sin(math.pi / 4)),
(r2 * math.cos(-math.pi / 12), r2 * math.sin(-math.pi / 12)),
(r1 * math.cos(-math.pi / 4), r1 * math.sin(-math.pi / 4)),
(r2 * math.cos(11 * math.pi / 12), r2 * math.sin(11 * math.pi / 12)),
(r1 * math.cos(3 * math.pi / 4), r1 * math.sin(3 * math.pi / 4)),
(r2 * math.cos(-11 * math.pi / 12), r2 * math.sin(-11 * math.pi / 12)),
(r1 * math.cos(-3 * math.pi / 4), r1 * math.sin(-3 * math.pi / 4)),
(r3 * math.cos(0), r3 * math.sin(0)),
(r3 * math.cos(math.pi / 4), r3 * math.sin(math.pi / 4)),
(r3 * math.cos(-math.pi / 8), r3 * math.sin(-math.pi / 8)),
(r3 * math.cos(-3 * math.pi / 8), r3 * math.sin(-3 * math.pi / 8)),
(r3 * math.cos(7 * math.pi / 8), r3 * math.sin(7 * math.pi / 8)),
(r3 * math.cos(5 * math.pi / 8), r3 * math.sin(5 * math.pi / 8)),
(r3 * math.cos(math.pi), r3 * math.sin(math.pi)),
(r3 * math.cos(-3 * math.pi / 4), r3 * math.sin(-3 * math.pi / 4)),
)
# pylint: enable=invalid-name
return ()
def _createModulationTable(config: TestDefinition):
"""
Creates the modulation table file to be used by axi_constellation_mapper_tb
"""
target = p.join(config.test_files_path, "modulation_table.bin")
if p.exists(target):
return
try:
table = _getModulationTable(
frame_type=config.frame_type,
constellation=config.constellation,
code_rate=config.code_rate,
)
except:
print(
f"Failed to generate modulation RAM contents for FECFRAME={config.frame_type.value}, "
f"modulation={config.constellation.value}, code rate={config.code_rate.value}."
)
raise
print(
f"Generating modulation RAM contents for FECFRAME={config.frame_type.value}, "
f"modulation={config.constellation.value}, code rate={config.code_rate.value}. "
f'Data will be written to "{target}"',
)
with open(target, "wb") as fd:
for cos, sin in table:
fd.write(bytes(str(cos), encoding="utf8"))
fd.write(b"\n")
fd.write(bytes(str(sin), encoding="utf8"))
fd.write(b"\n")
def _createAuxiliaryTables():
"""
Creates the binary LDPC table files if they don't already exist
"""
with Pool() as pool:
pool.map(_populateLdpcTable, TEST_CONFIGS)
pool.map(_createModulationTable, CONSTELLATION_MAPPER_CONFIGS)
class GhdlPragmaHandler:
"""
Removes code between arbitraty pragmas
-- ghdl translate_off
this is ignored
-- ghdl translate_on
"""
_PRAGMA = re.compile(
r"\s*--\s*ghdl\s+translate_off[\r\n].*?[\n\r]\s*--\s*ghdl\s+translate_on",
flags=re.DOTALL | re.I | re.MULTILINE,
)
def run(self, code, file_name): # pylint: disable=unused-argument,no-self-use
"""
Removes text between "-- ghdl translate_off" and "-- ghdl translate_on"
"""
# Lazy check to avoid running the regex unnecessarily
for word in ("ghdl", "translate_on", "translate_off"):
if word not in code:
return code
lines = code.split("\n")
# Prepend the comment characters to lines within matches so line
# numbers are kept
for match in self._PRAGMA.finditer(code):
for lnum in range(
code[: match.start()].count("\n") + 1, code[: match.end()].count("\n")
):
lines[lnum] = "-- " + lines[lnum]
return "\n".join(lines)
def setupSources(vunit):
"""
Sets up files and libraries
"""
vunit.add_osvvm()
vunit.add_com()
vunit.enable_location_preprocessing()
if vunit.get_simulator_name() == "ghdl":
vunit.add_preprocessor(GhdlPragmaHandler())
library = vunit.add_library("lib")
library.add_source_files(p.join(ROOT, "rtl", "*.vhd"))
library.add_source_files(p.join(ROOT, "rtl", "ldpc", "*.vhd"))
library.add_source_files(p.join(ROOT, "third_party", "bch_generated", "*.vhd"))
library.add_source_files(p.join(ROOT, "third_party", "airhdl", "*.vhd"))
library.add_source_files(p.join(ROOT, "testbench", "*.vhd"))
vunit.add_library("str_format").add_source_files(
p.join(ROOT, "third_party", "hdl_string_format", "src", "*.vhd")
)
vunit.add_library("fpga_cores").add_source_files(
p.join(ROOT, "third_party", "fpga_cores", "src", "*.vhd")
)
vunit.add_library("fpga_cores_sim").add_source_files(
p.join(ROOT, "third_party", "fpga_cores", "sim", "*.vhd")
)
def setupTests(vunit, args):
"""
Creates tests for components
"""
for testbench, tests in (
(
"axi_bch_encoder_tb",
_getConfigs(constellations=(ConstellationType.MOD_8PSK,), pilots=False),
),
("axi_constellation_mapper_tb", CONSTELLATION_MAPPER_CONFIGS),
(
"axi_ldpc_encoder_core_tb",
_getConfigs(constellations=(ConstellationType.MOD_8PSK,), pilots=False),
),
(
"axi_ldpc_table_tb",
_getConfigs(constellations=(ConstellationType.MOD_8PSK,), pilots=False),
),
):
addConfigsTest(
entity=vunit.library("lib").entity(testbench),
configs=tests,
individual_config_runs=args.individual_config_runs,
seed=args.seed,
)
# Run the DVB S2 Tx testbench with a smaller sample of configs to check
# integration, otherwise sim takes way too long. Note that when
# --individual-config-runs is passed, all configs are added
configs = list(PHYSICAL_LAYER_HEADER_CONFIGS & CONSTELLATION_MAPPER_CONFIGS)
random.shuffle(configs)
if args.individual_config_runs:
addConfigsTest(
entity=vunit.library("lib").entity("dvbs2_encoder_tb"),
configs=configs,
individual_config_runs=True,
seed=args.seed,
)
else:
addConfigsTest(
entity=vunit.library("lib").entity("dvbs2_encoder_tb"),
configs=configs[:8],
individual_config_runs=False,
seed=args.seed,
)
addConfigsTest(
vunit.library("lib").entity("axi_baseband_scrambler_tb"),
configs=TEST_CONFIGS,
individual_config_runs=False,
seed=args.seed,
)
addConfigsTest(
vunit.library("lib").entity("axi_physical_layer_header_tb"),
configs=PHYSICAL_LAYER_HEADER_CONFIGS,
individual_config_runs=args.individual_config_runs,
seed=args.seed,
)
addConfigsTest(
vunit.library("lib").entity("axi_physical_layer_scrambler_tb"),
configs=PHYSICAL_LAYER_SCRAMBLER_CONFIGS,
individual_config_runs=args.individual_config_runs,
seed=args.seed,
)
# Generate bit interleaver tests
for data_width in (8,):
all_configs = []
for config in _getConfigs(
constellations=(
ConstellationType.MOD_8PSK,
ConstellationType.MOD_16APSK,
ConstellationType.MOD_32APSK,
),
pilots=False,
):
all_configs += [config.getTestConfigString()]
if args.individual_config_runs:
vunit.library("lib").entity("axi_bit_interleaver_tb").add_config(
name=f"data_width={data_width},{config.name}",
generics=dict(
TDATA_WIDTH=data_width,
test_cfg=config.getTestConfigString(),
NUMBER_OF_TEST_FRAMES=8,
SEED=args.seed,
),
)
if not args.individual_config_runs:
vunit.library("lib").entity("axi_bit_interleaver_tb").add_config(
name=f"data_width={data_width},all_parameters",
generics=dict(
TDATA_WIDTH=data_width,
test_cfg="|".join(all_configs),
NUMBER_OF_TEST_FRAMES=2,
SEED=args.seed,
),
)
# Physical layer framer only connects axi_physical_layer_header and
# axi_physical_layer_scrambler and both are tested individually, so we
# don't need to test all configs
physical_layer_framer_configs = (
TestDefinition.fromConfigTuple(frame_type, constellation, code_rate, pilots)
for frame_type, constellation, code_rate, pilots in (
(
FrameType.FECFRAME_SHORT,
ConstellationType.MOD_QPSK,
CodeRate.C1_2,
False,
),
(
FrameType.FECFRAME_SHORT,
ConstellationType.MOD_QPSK,
CodeRate.C1_2,
True,
),
(
FrameType.FECFRAME_SHORT,
ConstellationType.MOD_QPSK,
CodeRate.C1_3,
False,
),
(
FrameType.FECFRAME_SHORT,
ConstellationType.MOD_QPSK,