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SourceVuESP-IDF Framework and ExamplesESP-IDFpcnt_unit_config_t

pcnt_unit_config_t struct

PCNT unit configuration

Syntax

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Summary

Declaration

from pulse_cnt.h:61

typedef struct { int low_limit; int high_limit; int intr_priority; struct { uint32_t accum_count: 1; #if SOC_PCNT_SUPPORT_STEP_NOTIFY uint32_t en_step_notify_up: 1; uint32_t en_step_notify_down: 1; #endif } flags; } pcnt_unit_config_t;

Fields

Field

Declared as

Description

pcnt_unit_config_t::low_limit

int

Low limitation of the count unit, should be lower than 0.

pcnt_unit_config_t::high_limit

int

High limitation of the count unit, should be higher than 0.

pcnt_unit_config_t::intr_priority

int

PCNT interrupt priority, if set to 0, the driver will try to allocate an interrupt with a relative low priority (1,2,3).

pcnt_unit_config_t::flags

struct { uint32_t accum_count: 1; #if SOC_PCNT_SUPPORT_STEP_NOTIFY uint32_t en_step_notify_up: 1; uint32_t en_step_notify_down: 1; #endif }

Extra flags.

Examples

pcnt_unit_config_t is referenced by 2 libraries and example projects:

mcpwm_bdc_speed_control sample

rotary_encoder sample

References

from 0/2 examples

Code

Location

Scope

Referrer

typedef struct {

pulse_cnt.h:61

} pcnt_unit_config_t;

pulse_cnt.h:73

esp_err_t pcnt_new_unit(const pcnt_unit_config_t *config, pcnt_unit_handle_t *ret_unit)

pulse_cnt.c:198

pcnt_new_unit()

} pcnt_unit_config_t;

pulse_cnt.h:73

pcnt_unit_config_t

esp_err_t pcnt_new_unit(const pcnt_unit_config_t *config, pcnt_unit_handle_t *ret_unit);

pulse_cnt.h:113

pcnt_new_unit()

pcnt_unit_config_t struct

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