Symbols ![]()
loading (2/5)...
Files ![]()
loading (3/5)...
pcnt_del_unit() function
Delete the PCNT unit handle
Syntax
Implemented in ![]()
pulse_cnt.c:319
Return value
- ESP_OK: Delete the PCNT unit successfully - ESP_ERR_INVALID_ARG: Delete the PCNT unit failed because of invalid argument - ESP_ERR_INVALID_STATE: Delete the PCNT unit failed because the unit is not in init state or some PCNT channel is still in working - ESP_FAIL: Delete the PCNT unit failed because of other error
Notes
A PCNT unit can't be in the enable state when this function is invoked. See also `pcnt_unit_disable()` for how to disable a unit.
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
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
Remove a step notify for PCNT unit
References
Code
Location
Call Tree
pcnt_del_unit() calls 3 functions:
Data Use
pcnt_del_unit() reads 12 variables: