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Honor board_build.f_cpu on the native compile line

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The routed override (published configs pin 160000000L for
timing-sensitive integrations) reaches -DF_CPU via a small _pio_option
reader; the default stays the audited 80 MHz all 45 boards ship.
This commit is contained in:
J. Nick Koston
2026-08-21 20:28:27 -05:00
parent e97388ce00
commit accfd12199
2 changed files with 35 additions and 4 deletions
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tests/unit_tests/build_gen/test_arduino8266.py
+17
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@@ -887,3 +887,20 @@ def test_generate_ld_scripts_gcc_change_invalidates_stamp(tmp_path: Path) -> Non
with patch.object(arduino8266.subprocess, "run", return_value=result) as mock_run:
_run_generate_ld_scripts(paths)
mock_run.assert_called_once()
def test_defines_flags_honors_f_cpu_override() -> None:
"""board_build.f_cpu (a published-config overclock knob) reaches the
compile line; the default stays 80 MHz."""
_set_flags()
config = _resolve_build_config(_flag_defines(set(), []))
board_build = ESP8266_BOARD_BUILD["nodemcuv2"]
defines = _defines_flags(config, "dout", "nodemcuv2", board_build["defines"])
assert "-DF_CPU=80000000L" in defines
CORE.platformio_options = {"board_build.f_cpu": "160000000L"}
defines = _defines_flags(config, "dout", "nodemcuv2", board_build["defines"])
assert "-DF_CPU=160000000L" in defines
# A repeated option accumulates as a list; the last value wins
CORE.platformio_options = {"board_build.f_cpu": ["80000000L", "160000000L"]}
defines = _defines_flags(config, "dout", "nodemcuv2", board_build["defines"])
assert "-DF_CPU=160000000L" in defines