From af4920d634905b0cd412765367ee9ddb65ab4694 Mon Sep 17 00:00:00 2001
From: mattbk <mattbk@users.noreply.github.com>
Date: Fri, 8 Sep 2023 08:39:14 -0500
Subject: [PATCH] Snapshot.

---
 vulpes/src/main.cpp | 35 ++++++++++++++++++++++++++++-------
 1 file changed, 28 insertions(+), 7 deletions(-)

diff --git a/vulpes/src/main.cpp b/vulpes/src/main.cpp
index 657250d..0bec9dc 100644
--- a/vulpes/src/main.cpp
+++ b/vulpes/src/main.cpp
@@ -165,8 +165,8 @@ Timer<1> timer;
 
 // Example from https://github.com/contrem/arduino-timer#examples
 bool toggle_led(void *) {
-  Serial.print("Timer time: ");
-  Serial.println(rtc.now().timestamp());
+  //Serial.print("Timer time: ");
+  //Serial.println(rtc.now().timestamp());
   digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN)); // toggle the LED
   return true; // keep timer active? true
 }
@@ -562,7 +562,7 @@ void setup() {
       rtc.adjust(DateTime(yourInputTime));
       // Might work to fix random errors? If date is far in the future,
       // try to update again.
-      while(rtc.now().year() > 2100){
+      while(rtc.now().year() > 2040){
         Serial.println("RTC can't set time. Trying again.");
         rtc.adjust(DateTime(yourInputTime));
       }
@@ -604,10 +604,16 @@ void setup() {
       //}
       Serial.println(yourInputStartTimeUnix);
 
-      timer.at(millis() + 10000, toggle_led);
-      Serial.println(millis());
-      auto active_tasks = timer.size();
-      Serial.println(active_tasks);
+      // We can't use arduino-timer for starting a program because 
+      // it relies on millis(), which reset on power cycle.
+      // timer.at(millis() + 10000, toggle_led);
+      // Serial.println(millis());
+      // auto active_tasks = timer.size();
+      // Serial.println(active_tasks);
+      
+      // Use alarm built into RTC
+      rtc.setAlarm2(DateTime(yourInputStartTimeUnix), DS3231_A2_Date);
+      //rtc.setAlarm1(DateTime(2020, 6, 25, 15, 34, 0), DS3231_A2_Date);
     }
     // else {
     //   inputMessage = "No message sent";
@@ -634,6 +640,21 @@ void loop() {
     // Timers
   timer.tick();
 
+  // This function from https://github.com/garrysblog/DS3231-Alarm-With-Adafruit-RTClib-Library/blob/master/DS3231-RTClib-Adafruit-Alarm-Poll-alarmFired/DS3231-RTClib-Adafruit-Alarm-Poll-alarmFired.ino
+  // Check if alarm by polling by using alarmFired
+  // We don't want old alarms, though.
+  //& (rtc.getAlarm2() >= rtc.now())
+  // if ((rtc.alarmFired(2) == 1) ){
+    
+  //   // Print current time and date
+  //   DateTime now = rtc.now(); // Get the current time
+  //   char buff[] = "Alarm triggered at hh:mm:ss DDD, DD MMM YYYY";
+  //   Serial.println(now.toString(buff));
+
+  //   // Disable and clear alarm
+  //   rtc.clearAlarm(2); 
+  // }
+
   // DateTime now = rtc.now();
   // Serial.print(now.year(), DEC);
   // Serial.print('/');