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It is assumed that the dpot is used as a voltage divider between the
current dpot wiper setting and the maximum resistance of the dpot. The
divided voltage is provided by a vref regulator.
.------.
.-----------. | |
| vref |--' .---.
| regulator |--. | |
'-----------' | | d |
| | p |
| | o | wiper
| | t |<---------+
| | |
| '---' dac output voltage
| |
'------+------------+
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
9 lines
312 B
Plaintext
9 lines
312 B
Plaintext
What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw_available
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Date: October 2016
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KernelVersion: 4.9
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Contact: Peter Rosin <peda@axentia.se>
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Description:
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The range of available values represented as the minimum value,
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the step and the maximum value, all enclosed in square brackets.
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Example: [0 1 256]
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