From aabb888069a54fe299f068e4171917bd3f6d1c9c Mon Sep 17 00:00:00 2001
From: SQFMI <github@sqfmi.com>
Date: Sun, 13 Jun 2021 21:21:37 -0400
Subject: [PATCH] Add support for ESP RTC

---
 library.json       |  2 +-
 library.properties |  2 +-
 src/Watchy.cpp     | 28 ++++++++++++++++++++++++++--
 3 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/library.json b/library.json
index 45c257b..a1ff938 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "Watchy",
-  "version": "1.2.5",
+  "version": "1.2.6",
   "description": "Watchy - An Open Source E-Paper Watch by SQFMI",
   "authors": [
     {
diff --git a/library.properties b/library.properties
index 35dacef..0fa17f6 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Watchy
-version=1.2.5
+version=1.2.6
 author=SQFMI
 maintainer=SQFMI
 sentence=Watchy - An Open Source E-Paper Watch by SQFMI
diff --git a/src/Watchy.cpp b/src/Watchy.cpp
index 779baf6..032df37 100644
--- a/src/Watchy.cpp
+++ b/src/Watchy.cpp
@@ -37,20 +37,39 @@ void Watchy::init(String datetime){
 
     switch (wakeup_reason)
     {
+        #ifdef ESP_RTC
+        case ESP_SLEEP_WAKEUP_TIMER: //ESP Internal RTC
+            if(guiState == WATCHFACE_STATE){
+                RTC.read(currentTime);
+                currentTime.Minute++;
+                tmElements_t tm;
+                tm.Month = currentTime.Month;
+                tm.Day = currentTime.Day;
+                tm.Year = currentTime.Year;
+                tm.Hour = currentTime.Hour;
+                tm.Minute = currentTime.Minute;
+                tm.Second = 0;
+                time_t t = makeTime(tm);
+                RTC.set(t);
+                RTC.read(currentTime);           
+                showWatchFace(true); //partial updates on tick
+            }
+            break;        
+        #endif
         case ESP_SLEEP_WAKEUP_EXT0: //RTC Alarm
             RTC.alarm(ALARM_2); //resets the alarm flag in the RTC
             if(guiState == WATCHFACE_STATE){
                 RTC.read(currentTime);
                 showWatchFace(true); //partial updates on tick
-            }else{
-            //
             }
             break;
         case ESP_SLEEP_WAKEUP_EXT1: //button Press
             handleButtonPress();
             break;
         default: //reset
+            #ifndef ESP_RTC
             _rtcConfig(datetime);
+            #endif
             _bmaConfig();
             showWatchFace(false); //full update on reset
             break;
@@ -59,7 +78,12 @@ void Watchy::init(String datetime){
 }
 
 void Watchy::deepSleep(){
+  #ifndef ESP_RTC
   esp_sleep_enable_ext0_wakeup(RTC_PIN, 0); //enable deep sleep wake on RTC interrupt
+  #endif  
+  #ifdef ESP_RTC
+  esp_sleep_enable_timer_wakeup(60000000);
+  #endif 
   esp_sleep_enable_ext1_wakeup(BTN_PIN_MASK, ESP_EXT1_WAKEUP_ANY_HIGH); //enable deep sleep wake on button press
   esp_deep_sleep_start();
 }