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pcnt_unit_disable() function
Disable the PCNT unit
Syntax
Implemented in ![]()
pulse_cnt.c:427
Return value
- ESP_OK: Disable PCNT unit successfully - ESP_ERR_INVALID_ARG: Disable PCNT unit failed because of invalid argument - ESP_ERR_INVALID_STATE: Disable PCNT unit failed because the unit is not enabled yet - ESP_FAIL: Disable PCNT unit failed because of other error
Notes
This function will do the opposite work to the `pcnt_unit_enable()` Disable a PCNT unit doesn't mean to stop it. See also `pcnt_unit_stop()` for how to stop the PCNT counter.
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
Stop PCNT from counting
Delete the PCNT unit handle
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_unit_disable() calls 4 functions:
Data Use
pcnt_unit_disable() reads 11 variables and writes 1 variable: