1 What: /sys/bus/iio/devices/triggerX/trigger_polarity 2 KernelVersion: 4.11 3 Contact: fabrice.gasnier@st.com 4 Description: 5 The STM32 ADC can be configured to use external trigger sources 6 (e.g. timers, pwm or exti gpio). Then, it can be tuned to start 7 conversions on external trigger by either: 8 9 - "rising-edge" 10 - "falling-edge" 11 - "both-edges". 12 13 Reading returns current trigger polarity. 14 15 Writing value before enabling conversions sets trigger polarity. 16 17 What: /sys/bus/iio/devices/triggerX/trigger_polarity_available 18 KernelVersion: 4.11 19 Contact: fabrice.gasnier@st.com 20 Description: 21 List all available trigger_polarity settings.
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