docs/library/machine: Describe wake_ext1_pins().

twenrich · twenrich · commit 5e2fc753199f · 2021-11-16T11:12:28.000+01:00
diff --git a/docs/library/machine.rst b/docs/library/machine.rst
@@ -111,6 +111,15 @@ Power related functions
 
    Availability: ESP32, WiPy.
 
+.. function:: wake_ext1_pins()
+
+   Returns the GPIO pin numbers of those pins which caused wakeup from deep sleep as a tuple
+   of integers.
+
+   This is a direct interface to the ESP-IDF `esp_sleep_get_ext1_wakeup_status()` function.
+
+   Availability: ESP32.
+
 Miscellaneous functions
 -----------------------
 
