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59 lines
1.7 KiB
59 lines
1.7 KiB
"""Attempt detection of current chip / CPU."""
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import sys
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AM33XX = "AM33XX"
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BCM2XXX = "BCM2XXX"
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ESP8266 = "ESP8266"
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SAMD21 = "SAMD21"
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STM32 = "STM32"
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SUN8I = "SUN8I"
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GENERIC_X86 = "GENERIC_X86"
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class Chip:
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"""Attempt detection of current chip / CPU."""
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def __init__(self, detector):
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self.detector = detector
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@property
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# pylint: disable=invalid-name
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def id(self):
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"""Return a unique id for the detected chip, if any."""
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platform = sys.platform
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if platform == "linux":
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return self._linux_id()
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if platform == "esp8266":
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return ESP8266
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if platform == "samd21":
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return SAMD21
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if platform == "pyboard":
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return STM32
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return None
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# pylint: enable=invalid-name
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def _linux_id(self):
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"""Attempt to detect the CPU on a computer running the Linux kernel."""
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linux_id = None
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hardware = self.detector.get_cpuinfo_field("Hardware")
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if hardware is None:
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vendor_id = self.detector.get_cpuinfo_field("vendor_id")
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if vendor_id in ("GenuineIntel", "AuthenticAMD"):
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linux_id = GENERIC_X86
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elif hardware in ("BCM2708", "BCM2708", "BCM2835"):
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linux_id = BCM2XXX
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elif "AM33XX" in hardware:
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linux_id = AM33XX
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elif "sun8i" in hardware:
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linux_id = SUN8I
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return linux_id
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def __getattr__(self, attr):
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"""
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Detect whether the given attribute is the currently-detected chip. See
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list of constants at the top of this module for available options.
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"""
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if self.id == attr:
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return True
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return False
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