1*4882a593SmuzhiyunWhat: /sys/bus/iio/devices/iio:deviceX/in_voltageY_sensing_mode 2*4882a593SmuzhiyunDate: August 2015 3*4882a593SmuzhiyunKernelVersion: 4.2.0 4*4882a593SmuzhiyunContact: source@cogentembedded.com 5*4882a593SmuzhiyunDescription: 6*4882a593Smuzhiyun Program sensor type for threshold detector inputs. 7*4882a593Smuzhiyun Could be either "GND-Open" or "Supply-Open" mode. Y is a 8*4882a593Smuzhiyun threshold detector input channel. Channels 0..7, 8..15, 16..23 9*4882a593Smuzhiyun and 24..31 has common sensor types. 10*4882a593Smuzhiyun 11*4882a593SmuzhiyunWhat: /sys/bus/iio/devices/iio:deviceX/events/in_voltageY_thresh_falling_value 12*4882a593SmuzhiyunDate: August 2015 13*4882a593SmuzhiyunKernelVersion: 4.2.0 14*4882a593SmuzhiyunContact: source@cogentembedded.com 15*4882a593SmuzhiyunDescription: 16*4882a593Smuzhiyun Channel Y low voltage threshold. If sensor input voltage goes lower then 17*4882a593Smuzhiyun this value then the threshold falling event is pushed. 18*4882a593Smuzhiyun Depending on in_voltageY_sensing_mode the low voltage threshold 19*4882a593Smuzhiyun is separately set for "GND-Open" and "Supply-Open" modes. 20*4882a593Smuzhiyun Channels 0..31 have common low threshold values, but could have different 21*4882a593Smuzhiyun sensing_modes. 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun The low voltage threshold range is between 2..21V. 24*4882a593Smuzhiyun Hysteresis between low and high thresholds can not be lower then 2 and 25*4882a593Smuzhiyun can not be odd. 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun If falling threshold results hysteresis to odd value then rising 28*4882a593Smuzhiyun threshold is automatically subtracted by one. 29*4882a593Smuzhiyun 30*4882a593SmuzhiyunWhat: /sys/bus/iio/devices/iio:deviceX/events/in_voltageY_thresh_rising_value 31*4882a593SmuzhiyunDate: August 2015 32*4882a593SmuzhiyunKernelVersion: 4.2.0 33*4882a593SmuzhiyunContact: source@cogentembedded.com 34*4882a593SmuzhiyunDescription: 35*4882a593Smuzhiyun Channel Y high voltage threshold. If sensor input voltage goes higher then 36*4882a593Smuzhiyun this value then the threshold rising event is pushed. 37*4882a593Smuzhiyun Depending on in_voltageY_sensing_mode the high voltage threshold 38*4882a593Smuzhiyun is separately set for "GND-Open" and "Supply-Open" modes. 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun Channels 0..31 have common high threshold values, but could have different 41*4882a593Smuzhiyun sensing_modes. 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun The high voltage threshold range is between 3..22V. 44*4882a593Smuzhiyun Hysteresis between low and high thresholds can not be lower then 2 and 45*4882a593Smuzhiyun can not be odd. 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun If rising threshold results hysteresis to odd value then falling 48*4882a593Smuzhiyun threshold is automatically appended by one. 49