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sys node for g sensor KXT_9

2014-01-03 14:37 309 查看

This is the gsensor KXT_9 driver sysfs interface, any suggestion is welcome

Sysfs Nodes	Attr	Description	Comment
interval	r/w	Get/Set g sensor polling rate
enable	r/w	Enable/Disable g sensor
tilt	r/w	Enable/Disable Tilt Position function
wake	r/w	Enable/Disable Wake Up (motion detection) function
tap	r/w	Enable/Disable Directional Tap fucntion
data	r	Get g sensor adc data
selftest	w	1: Electrostatic actuation of the accelerometer, results in a DC shift of the X, Y and Z axis outputs. 0 : return the accelerometer to normal operation

Usage: enable g sensor

echo 1 >

Usage: get g sensor adc data

cat /sys/devices/virtual/input/input3/adc

echo 1 16 22 32 64 128 260 580 800 1024 > adc_table

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