Espressif ESP32-S2 User Manual

Chapter 2. API Reference
Enumerations
enum pcnt_port_t
PCNT port number, the max port number is (PCNT_PORT_MAX - 1).
Values:
PCNT_PORT_0
PCNT port 0
PCNT_PORT_MAX
PCNT port max
enum pcnt_unit_t
Selection of all available PCNT units.
Values:
PCNT_UNIT_0
PCNT unit 0
PCNT_UNIT_1
PCNT unit 1
PCNT_UNIT_2
PCNT unit 2
PCNT_UNIT_3
PCNT unit 3
PCNT_UNIT_MAX
enum pcnt_channel_t
Selection of channels available for a single PCNT unit.
Values:
PCNT_CHANNEL_0
PCNT channel 0
PCNT_CHANNEL_1
PCNT channel 1
PCNT_CHANNEL_MAX
enum pcnt_evt_type_t
Selection of counter’s events the may trigger an interrupt.
Values:
PCNT_EVT_THRES_1 = 1 << 2
PCNT watch point event: threshold1 value event
PCNT_EVT_THRES_0 = 1 << 3
PCNT watch point event: threshold0 value event
PCNT_EVT_L_LIM = 1 << 4
PCNT watch point event: Minimum counter value
PCNT_EVT_H_LIM = 1 << 5
PCNT watch point event: Maximum counter value
PCNT_EVT_ZERO = 1 << 6
PCNT watch point event: counter value zero event
PCNT_EVT_MAX
Header File
• components/hal/include/hal/pcnt_types.h
Espressif Systems 337
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Release v4.4

Espressif ESP32-S2 Specifications

General

Brand	Espressif
Model	ESP32-S2
Category	Single board computers
Language	English