janik
9a5828a21a
Move plugin sources into plugins/ subdirectory, add 64x64 package icon in resources/, and add metadata.json for PCM compatibility. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
"""Parser for STM32CubeMX .ioc files (key=value format)."""
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import re
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# Matches GPIO pin names like PA0, PB12, PC3, PD2, PF0-OSC_IN, PB8-BOOT0
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# Also handles CubeMX aliases like "PC14-OSC32_IN\ (PC14)" or "PA11\ [PA9]"
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_GPIO_RE = re.compile(r"^(P[A-K]\d+(?:-[A-Z_0-9]+)?)(?:\\\s*[\[(][^\])]*[\])])?\.(.*)")
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# Extracts remap aliases from Mcu.Pin entries, e.g. "PA11 [PA9]" → base=PA11, alias=PA9
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_MCU_PIN_RE = re.compile(
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r"^(P[A-K]\d+)(?:-[A-Z_0-9]+)?\s*[\[(](P[A-K]\d+)[\])]$"
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)
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def parse_ioc(ioc_path):
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"""
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Parse a .ioc file and return per-pin configuration and remap info.
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Returns:
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(pins, remaps)
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pins: {gpio_base_name: {property: value, ...}}
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remaps: {alias_gpio: base_gpio}
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e.g. {'PA9': 'PA11'} means PA11 is remapped to PA9's
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function — PA11 is the physical port for that pin.
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"""
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pins = {}
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remaps = {}
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with open(ioc_path, "r", encoding="utf-8") as fh:
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for raw in fh:
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line = raw.strip()
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if "=" not in line:
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continue
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key, _, value = line.partition("=")
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# Mcu.PinXX entries — extract remap aliases
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if key.startswith("Mcu.Pin"):
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m = _MCU_PIN_RE.match(value)
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if m and m.group(1) != m.group(2):
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# e.g. PA11 [PA9] → remaps["PA9"] = "PA11"
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remaps[m.group(2)] = m.group(1)
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continue
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m = _GPIO_RE.match(key)
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if not m:
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continue
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full_pin = m.group(1) # e.g. "PF0-OSC_IN"
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prop = m.group(2) # e.g. "Signal"
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base = full_pin.split("-")[0] # e.g. "PF0"
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pins.setdefault(base, {})[prop] = value
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return pins, remaps
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