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pcnt_unit_add_watch_step() function
Add a step notify for PCNT unit, PCNT will generate an event when the incremental(can be positive or negative) of counter value reaches the step interval
Syntax
Return value
- ESP_OK: Add step notify successfully - ESP_ERR_INVALID_ARG: Add step notify failed because of invalid argument (e.g. the value incremental to be watched is out of the limitation set in `pcnt_unit_config_t`) - ESP_ERR_INVALID_STATE: Add step notify failed because the step notify has already been added - ESP_FAIL: Add step notify failed because of other error
Related Functions
Found 16 other functions taking a ![]()
pcnt_unit_t
argument:
Function
Description
Create PCNT channel for specific unit, each PCNT has several channels associated with it
Add a watch point for PCNT unit, PCNT will generate an event when the counter value reaches the watch point value
Start the PCNT unit, the counter will start to count according to the edge and/or level input signals
Clear PCNT pulse count value to zero
Get PCNT count value
Set glitch filter for PCNT unit
Enable the PCNT unit
Set event callbacks for PCNT unit
Remove a watch point for PCNT unit
Disable the PCNT unit
Stop PCNT from counting
Delete the PCNT unit handle
Remove a step notify for PCNT unit
References
Code
Location