From 57a1c1af80450c85149d8c7a0211585cf15fbc6b Mon Sep 17 00:00:00 2001
From: mattbk <mattbk@users.noreply.github.com>
Date: Fri, 8 Sep 2023 10:39:24 -0500
Subject: [PATCH] Snapshot.

---
 vulpes/src/main.cpp | 29 ++++++++++++++++++++++-------
 1 file changed, 22 insertions(+), 7 deletions(-)

diff --git a/vulpes/src/main.cpp b/vulpes/src/main.cpp
index 0bec9dc..eddc6cd 100644
--- a/vulpes/src/main.cpp
+++ b/vulpes/src/main.cpp
@@ -33,6 +33,7 @@
 AsyncWebServer server(80);
 
 RTC_DS3231 rtc; // set up RTC
+const int alarmPin = 4; // pin to monitor for RTC alarms
 
 // Read from config.h
 const char* ssid = WIFI_SSID;
@@ -403,6 +404,14 @@ bool start_program(){
 void setup() {
   Serial.begin(115200);
 
+  pinMode(alarmPin, INPUT_PULLUP); // Set alarm pin as pullup
+  // Disable and clear both alarms
+  // rtc.disableAlarm(1);
+  // rtc.disableAlarm(2);
+  // rtc.clearAlarm(1);
+  // rtc.clearAlarm(2);
+  // rtc.writeSqwPinMode(DS3231_OFF); // Place SQW pin into alarm interrupt mode
+
   // https://github.com/JChristensen/DS3232RTC/blob/master/examples/TimeRTC/TimeRTC.ino
   // rtc.begin();
   // setSyncProvider(rtc.get);   // the function to get the time from the RTC
@@ -427,6 +436,11 @@ void setup() {
     //rtc.adjust(DateTime(2023, 9, 2, 17, 32, 0));
   }
 
+  // Are there any RTC alarms set?
+  DateTime alarm_two = rtc.getAlarm2(); // Get the current time
+  char buff[] = "Alarm 2 set for at hh:mm:ss DDD, DD MMM YYYY";
+  Serial.println(alarm_two.toString(buff));
+
   // Timer example, blink main LED
   pinMode(LED_BUILTIN, OUTPUT); // set LED pin to OUTPUT
   // call the toggle_led function every 10000 millis (10 second)
@@ -645,15 +659,16 @@ void loop() {
   // We don't want old alarms, though.
   //& (rtc.getAlarm2() >= rtc.now())
   // if ((rtc.alarmFired(2) == 1) ){
+  if (digitalRead(alarmPin) == LOW) {
     
-  //   // 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));
+    // 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); 
-  // }
+    // Disable and clear alarm
+    rtc.clearAlarm(2); 
+  }
 
   // DateTime now = rtc.now();
   // Serial.print(now.year(), DEC);