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我如何从这些传感器中读取数据？我刚刚找到了他们的位置，但该文件夹似乎包含指向另一个位置的软链接。我的目标是监控陀螺仪。

$ ls /sys/bus/iio/devices/iio:device*
lrwxrwxrwx 1 root root 0 Jan 31 23:18 /sys/bus/iio/devices/iio:device0 -> ../../../devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:0483:91D1.0018/HID-SENSOR-200073.1.auto/iio:device0
lrwxrwxrwx 1 root root 0 Jan 31 23:18 /sys/bus/iio/devices/iio:device1 -> ../../../devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:0483:91D1.0018/HID-SENSOR-200076.2.auto/iio:device1
lrwxrwxrwx 1 root root 0 Jan 31 23:18 /sys/bus/iio/devices/iio:device2 -> ../../../devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:0483:91D1.0018/HID-SENSOR-200083.3.auto/iio:device2
lrwxrwxrwx 1 root root 0 Jan 31 23:18 /sys/bus/iio/devices/iio:device3 -> ../../../devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:0483:91D1.0018/HID-SENSOR-200086.4.auto/iio:device3
lrwxrwxrwx 1 root root 0 Jan 31 23:18 /sys/bus/iio/devices/iio:device4 -> ../../../devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:0483:91D1.0018/HID-SENSOR-20008a.5.auto/iio:device4
lrwxrwxrwx 1 root root 0 Jan 31 23:18 /sys/bus/iio/devices/iio:device5 -> ../../../devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:0483:91D1.0018/HID-SENSOR-200041.6.auto/iio:device5
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使用猫：

$ cat /sys/bus/iio/devices/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:0483:91D1.0018/HID-SENSOR-200073.1.auto/iio:device0

这是关于 IIO 子系统的一个很好的介绍。

于 2016-02-02T07:29:18.910 回答