import board
import busio

# 定义所有可能的总线编号
possible_buses = [0, 1, 2, 3, 4, 5]

# 扫描所有总线
for bus_number in possible_buses:
    try:
        # 初始化I2C总线
        i2c = busio.I2C(f"/dev/i2c-{bus_number}")
        print(f"正在扫描总线 /dev/i2c-{bus_number}...")

        # 尝试锁定并扫描设备地址
        if i2c.try_lock():
            addresses = i2c.scan()
            if addresses:
                print(f"在总线 /dev/i2c-{bus_number} 上找到以下设备地址：")
                for address in addresses:
                    print(f"  - {hex(address)}")
            else:
                print(f"未在总线 /dev/i2c-{bus_number} 上找到任何设备。")
            i2c.unlock()
    except Exception as e:
        print(f"无法访问总线 /dev/i2c-{bus_number}: {e}")