From 81ab3feb94b02fabc731f26fcac23ef6057f99ab Mon Sep 17 00:00:00 2001
From: Daniel Ansorregui <mailszeros@gmail.com>
Date: Sat, 11 Dec 2021 16:14:38 +0000
Subject: [PATCH] Set all pins to INPUT before deep sleep

* Some pins otherwise are left as output
  And their value is kept in deep sleep
  This can cause power usage in deep sleep
* From my measurements 0.13mA
  Or, 3mAh / day extra usage
---
 src/Watchy.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Watchy.cpp b/src/Watchy.cpp
index 05ab5f8..78d1484 100644
--- a/src/Watchy.cpp
+++ b/src/Watchy.cpp
@@ -53,8 +53,11 @@ void Watchy::displayBusyCallback(const void*){
 }
 
 void Watchy::deepSleep(){
-  display.hibernate();
-  displayFullInit = false; // Notify not to init it again
+  // Set all pins to input to avoid power leaking out
+  for(int i=0; i<48; i++) {
+    pinMode(i, INPUT);
+  }
+
   esp_sleep_enable_ext0_wakeup(RTC_PIN, 0); //enable deep sleep wake on RTC interrupt
   esp_sleep_enable_ext1_wakeup(BTN_PIN_MASK, ESP_EXT1_WAKEUP_ANY_HIGH); //enable deep sleep wake on button press
   esp_deep_sleep_start();