1 What: /sys/bus/iio/devices/iio:devic 1 What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_raw
2 Date: May 2016 2 Date: May 2016
3 KernelVersion: 3 KernelVersion:
4 Contact: Andrew F. Davis <afd@ti.com> 4 Contact: Andrew F. Davis <afd@ti.com>
5 Description: 5 Description:
6 Get measured values from the A 6 Get measured values from the ADC for these stages. Y is the
7 specific stage number correspo 7 specific stage number corresponding to datasheet stage names
8 as follows: 8 as follows:
9 9
10 == ========== 10 == ==========
11 1 LED2 11 1 LED2
12 2 ALED2/LED3 12 2 ALED2/LED3
13 3 LED1 13 3 LED1
14 4 ALED1/LED4 14 4 ALED1/LED4
15 == ========== 15 == ==========
16 16
17 Note that channels 5 and 6 rep 17 Note that channels 5 and 6 represent LED2-ALED2 and LED1-ALED1
18 respectively which simply help 18 respectively which simply helper channels containing the
19 calculated difference in the v 19 calculated difference in the value of stage 1 - 2 and 3 - 4.
20 The values are expressed in 24 20 The values are expressed in 24-bit twos complement.
21 The LED current for the stage 21 The LED current for the stage is controlled via
22 out_currentY_raw. 22 out_currentY_raw.
23 23
24 What: /sys/bus/iio/devices/iio:devic 24 What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_offset
25 Date: May 2016 25 Date: May 2016
26 KernelVersion: 26 KernelVersion:
27 Contact: Andrew F. Davis <afd@ti.com> 27 Contact: Andrew F. Davis <afd@ti.com>
28 Description: 28 Description:
29 Get and set the offset cancell 29 Get and set the offset cancellation DAC setting for these
30 stages. The values are express 30 stages. The values are expressed in 5-bit sign-magnitude.
31 31
32 What: /sys/bus/iio/devices/iio:devic 32 What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_resistance
33 What: /sys/bus/iio/devices/iio:devic 33 What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_capacitance
34 Date: May 2016 34 Date: May 2016
35 KernelVersion: 35 KernelVersion:
36 Contact: Andrew F. Davis <afd@ti.com> 36 Contact: Andrew F. Davis <afd@ti.com>
37 Description: 37 Description:
38 Get and set the resistance and 38 Get and set the resistance and the capacitance settings for the
39 Transimpedance Amplifier durin 39 Transimpedance Amplifier during the associated stage.
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