Function esp_idf_svc::sys::timer_group_get_counter_value_in_isr

pub unsafe extern "C" fn timer_group_get_counter_value_in_isr(
    group_num: u32,
    timer_num: u32,
) -> u64

@brief Get the current counter value, just used in ISR

@param group_num Timer group number, 0 for TIMERG0 or 1 for TIMERG1 @param timer_num Timer index.

@return - Counter value