25 lines
837 B
Python
25 lines
837 B
Python
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import board
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import busio
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# 定义所有可能的总线编号
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possible_buses = [0, 1, 2, 3, 4, 5]
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# 扫描所有总线
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for bus_number in possible_buses:
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try:
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# 初始化I2C总线
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i2c = busio.I2C(f"/dev/i2c-{bus_number}")
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print(f"正在扫描总线 /dev/i2c-{bus_number}...")
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# 尝试锁定并扫描设备地址
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if i2c.try_lock():
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addresses = i2c.scan()
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if addresses:
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print(f"在总线 /dev/i2c-{bus_number} 上找到以下设备地址：")
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for address in addresses:
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print(f" - {hex(address)}")
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else:
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print(f"未在总线 /dev/i2c-{bus_number} 上找到任何设备。")
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i2c.unlock()
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except Exception as e:
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print(f"无法访问总线 /dev/i2c-{bus_number}: {e}")
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