Question

如何从这些传感器中读取？我刚刚找到了他们的位置，但该文件夹似乎包含到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

Answer 1

使用cat：

$ 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

Here is关于IIO子系统的精彩演示。

从基于软链接的传感器读取

1 个答案: