What: /sys/bus/iio/devices/triggerX/trigger_polarity | |
KernelVersion: 4.11 | |
Contact: fabrice.gasnier@st.com | |
Description: | |
The STM32 ADC can be configured to use external trigger sources | |
(e.g. timers, pwm or exti gpio). Then, it can be tuned to start | |
conversions on external trigger by either: | |
- "rising-edge" | |
- "falling-edge" | |
- "both-edges". | |
Reading returns current trigger polarity. | |
Writing value before enabling conversions sets trigger polarity. | |
What: /sys/bus/iio/devices/triggerX/trigger_polarity_available | |
KernelVersion: 4.11 | |
Contact: fabrice.gasnier@st.com | |
Description: | |
List all available trigger_polarity settings. |