Espressif ESP32-S2 Programming Manual page 259

Chapter 2. API Reference
TIMER_COUNT_UP = 1
Ascending Count from Zero
TIMER_COUNT_MAX
enum timer_start_t
Decides whether timer is on or paused.
Values:
TIMER_PAUSE = 0
Pause timer counter
TIMER_START = 1
Start timer counter
enum timer_intr_t
Interrupt types of the timer.
Values:
TIMER_INTR_T0 = BIT(0)
interrupt of timer 0
TIMER_INTR_T1 = BIT(1)
interrupt of timer 1
TIMER_INTR_WDT = BIT(2)
interrupt of watchdog
TIMER_INTR_NONE = 0
enum timer_alarm_t
Decides whether to enable alarm mode.
Values:
TIMER_ALARM_DIS = 0
Disable timer alarm
TIMER_ALARM_EN = 1
Enable timer alarm
TIMER_ALARM_MAX
enum timer_intr_mode_t
Select interrupt type if running in alarm mode.
Values:
TIMER_INTR_LEVEL = 0
Interrupt mode: level mode
TIMER_INTR_MAX
enum timer_autoreload_t
Select if Alarm needs to be loaded by software or automatically reload by hardware.
Values:
TIMER_AUTORELOAD_DIS = 0
Disable auto-reload: hardware will not load counter value after an alarm event
TIMER_AUTORELOAD_EN = 1
Enable auto-reload: hardware will load counter value after an alarm event
TIMER_AUTORELOAD_MAX
enum timer_src_clk_t
Select timer source clock.
Values:
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