Merge branch 'bugfix/light_sleep_fixes' into 'master'

light sleep fixes

See merge request idf/esp-idf!2242

components/esp32/include/esp_sleep.h

@@ -38,6 +38,7 @@ typedef enum {
     ESP_PD_DOMAIN_RTC_PERIPH,      //!< RTC IO, sensors and ULP co-processor
     ESP_PD_DOMAIN_RTC_SLOW_MEM,    //!< RTC slow memory
     ESP_PD_DOMAIN_RTC_FAST_MEM,    //!< RTC fast memory
+    ESP_PD_DOMAIN_XTAL,            //!< XTAL oscillator
     ESP_PD_DOMAIN_MAX              //!< Number of domains
 } esp_sleep_pd_domain_t;
 

components/esp32/include/esp_timer.h

@@ -189,6 +189,13 @@ esp_err_t esp_timer_delete(esp_timer_handle_t timer);
  */
 int64_t esp_timer_get_time();
 
+/**
+ * @brief Get the timestamp when the next timeout is expected to occur
+ * @return Timestamp of the nearest timer event, in microseconds.
+ *         The timebase is the same as for the values returned by esp_timer_get_time.
+ */
+int64_t esp_timer_get_next_alarm();
+
 /**
  * @brief Dump the list of timers to a stream
  *