| What: /sys/bus/iio/devices/triggerX/master_mode_available |
| KernelVersion: 4.11 |
| Contact: benjamin.gaignard@st.com |
| Description: |
| Reading returns the list possible master modes which are: |
| - "reset" : The UG bit from the TIMx_EGR register is used as trigger output (TRGO). |
| - "enable" : The Counter Enable signal CNT_EN is used as trigger output. |
| - "update" : The update event is selected as trigger output. |
| For instance a master timer can then be used as a prescaler for a slave timer. |
| - "compare_pulse" : The trigger output send a positive pulse when the CC1IF flag is to be set. |
| - "OC1REF" : OC1REF signal is used as trigger output. |
| - "OC2REF" : OC2REF signal is used as trigger output. |
| - "OC3REF" : OC3REF signal is used as trigger output. |
| - "OC4REF" : OC4REF signal is used as trigger output. |
| |
| What: /sys/bus/iio/devices/triggerX/master_mode |
| KernelVersion: 4.11 |
| Contact: benjamin.gaignard@st.com |
| Description: |
| Reading returns the current master modes. |
| Writing set the master mode |
| |
| What: /sys/bus/iio/devices/triggerX/sampling_frequency |
| KernelVersion: 4.11 |
| Contact: benjamin.gaignard@st.com |
| Description: |
| Reading returns the current sampling frequency. |
| Writing an value different of 0 set and start sampling. |
| Writing 0 stop sampling. |
