esp_timer_is_active() function

timer handle created using esp_timer_create()

Stop a running timer This function stops the timer previously started using esp_timer_start_once() or esp_timer_start_periodic().

Create an esp_timer instance

Delete an esp_timer instance The timer must be stopped before deleting. A one-shot timer which has expired does not need to be stopped.

Start a one-shot timer Timer represented by `timer` should not be running when this function is called.

Start a periodic timer Timer represented by `timer` should not be running when this function is called. This function starts the timer which will trigger every `period` microseconds.

Get the expiry time of a one-shot timer This function fetches the expiry time of a one-shot timer.

Restart a currently running timer Type of `timer` | Action --------------- | ------ One-shot timer | Restarted immediately and times out once in `timeout_us` microseconds Periodic timer | Restarted immediately with a new period of `timeout_us` microseconds

Get the period of a timer This function fetches the timeout period of a timer. For a one-shot timer, the timeout period will be 0.