New images Rev.B version

data/src/index.html

@@ -63,8 +63,8 @@
                 <div class="progress-bar progress-bar-striped" style="width: {{ memUsage }}%">{{ memUsage }}%</div>
               </div>
               <div class="d-flex justify-content-between">
-                <div>Memory usage</div>
-                <div>{{ memFree }} / {{ memTotal }} kB</div>
+                <div>Memory free</div>
+                <div>{{ memFree }} / {{ memTotal }} KiB</div>
               </div>
             </div>
             <hr>
@@ -191,6 +191,13 @@
                 <input type="text" name="mempoolInstance" id="mempoolInstance" class="form-control">
               </div>
             </div>
+            <div class="row">
+              <label for="hostnamePrefix" class="col-sm-6 col-form-label col-form-label-sm">Hostname prefix</label>
+              <div class="col-sm-6">
+                <input type="text" name="hostnamePrefix" id="hostnamePrefix" class="form-control">
+                <div class="form-text">A restart is required to apply new hostname prefix.</div>
+              </div>
+            </div>
             <div class="row">
               <div class=" col-sm-6">
                 <div class="form-check form-switch">

data/src/js/script.ts

@@ -1,6 +1,6 @@
 import './helpers.js';
 
-var screens = ["Block Height", "Moscow Time", "Ticker", "Time", "Halving countdown"];
+var screens = ["Block Height", "Moscow Time", "Ticker", "Time", "Halving countdown", "Market Cap"];
 
 toTime = (secs) => {
     var hours = Math.floor(secs / (60 * 60));
@@ -28,7 +28,7 @@ getBcStatus = () => {
             var source = document.getElementById("entry-template").innerHTML;
             var template = Handlebars.compile(source);
 
-            var context = { timerRunning: jsonData.timerRunning, memUsage: Math.round(jsonData.espFreeHeap / jsonData.espHeapSize * 100), memFree: (jsonData.espFreeHeap / 1000), memTotal: (jsonData.espHeapSize / 1000), uptime: toTime(jsonData.espUptime), currentScreen: jsonData.currentScreen, rendered: jsonData.rendered, data: jsonData.data, screens: screens, ledStatus: jsonData.ledStatus ? jsonData.ledStatus.map((t) => (t).toString(16)) : [] };
+            var context = { timerRunning: jsonData.timerRunning, memUsage: Math.round(jsonData.espFreeHeap / jsonData.espHeapSize * 100), memFree: (jsonData.espFreeHeap / 1024), memTotal: (jsonData.espHeapSize / 1024), uptime: toTime(jsonData.espUptime), currentScreen: jsonData.currentScreen, rendered: jsonData.rendered, data: jsonData.data, screens: screens, ledStatus: jsonData.ledStatus ? jsonData.ledStatus.map((t) => (t).toString(16)) : [] };
 
 
             document.getElementById('output').innerHTML = template(context);
@@ -76,6 +76,7 @@ fetch('/api/settings', {
         document.getElementById('fullRefreshMin').value = jsonData.fullRefreshMin;
         document.getElementById('wpTimeout').value = jsonData.wpTimeout;
         document.getElementById('mempoolInstance').value = jsonData.mempoolInstance;
+        document.getElementById('hostnamePrefix').value = jsonData.hostnamePrefix;
 
         if (jsonData.gitRev)
             document.getElementById('gitRev').innerHTML = "Version: " + jsonData.gitRev;

src/lib/epd.cpp

@@ -26,7 +26,7 @@ void setFgColor(int color)
 
 void showSetupQr(const String &ssid, const String &password)
 {
-    char displayIndex = 6;
+    uint displayIndex = 6;
 
     const String text = "WIFI:S:" + ssid + ";T:WPA;P:" + password + ";;";
 

src/lib/functions.cpp

@@ -36,8 +36,8 @@ void setupSoftAP()
 {
     byte mac[6];
     WiFi.macAddress(mac);
-    softAP_SSID = String("BTClock" + String(mac[5], 16) + String(mac[1], 16));
-    WiFi.setHostname(softAP_SSID.c_str());
+    softAP_SSID = getMyHostname().c_str();
+    WiFi.setHostname(getMyHostname().c_str());
     softAP_password = base64::encode(String(mac[2], 16) + String(mac[4], 16) + String(mac[5], 16) + String(mac[1], 16)).substring(2, 10);
 }
 
@@ -180,7 +180,9 @@ void setupPreferences()
                      {SCREEN_MSCW_TIME, "Sats per dollar"},
                      {SCREEN_BTC_TICKER, "Ticker"},
                      {SCREEN_TIME, "Time"},
-                     {SCREEN_HALVING_COUNTDOWN, "Halving countdown"}};
+                     {SCREEN_HALVING_COUNTDOWN, "Halving countdown"},
+                     {SCREEN_MARKET_CAP, "Market Cap"}
+                     };
 
 #ifdef WITH_RGB_LED
     pixels.setBrightness(preferences.getUInt("ledBrightness", 128));
@@ -222,28 +224,24 @@ void handleScreenTasks(uint screen)
         vTaskSuspend(blockNotifyTaskHandle);
     if (getPriceTaskHandle)
         vTaskSuspend(getPriceTaskHandle);
-    if (minuteTaskHandle)
-        vTaskSuspend(minuteTaskHandle);
     switch (currentScreen)
     {
     case SCREEN_BLOCK_HEIGHT:
-        if (blockNotifyTaskHandle)
-        {
-            vTaskResume(blockNotifyTaskHandle);
-        }
-        break;
     case SCREEN_HALVING_COUNTDOWN:
         if (blockNotifyTaskHandle)
             vTaskResume(blockNotifyTaskHandle);
         break;
     case SCREEN_BTC_TICKER:
-        if (getPriceTaskHandle)
-            vTaskResume(getPriceTaskHandle);
-        break;
     case SCREEN_MSCW_TIME:
         if (getPriceTaskHandle)
             vTaskResume(getPriceTaskHandle);
         break;
+    case SCREEN_MARKET_CAP:
+        if (getPriceTaskHandle)
+            vTaskResume(getPriceTaskHandle);
+        if (blockNotifyTaskHandle)
+            vTaskResume(blockNotifyTaskHandle);
+        break;
     case SCREEN_TIME:
         if (minuteTaskHandle)
         {
@@ -376,18 +374,21 @@ void showNetworkSettings()
     String ipAddr = WiFi.localIP().toString();
     String subNet = WiFi.subnetMask().toString();
 
-    epdContent[1] = "IP/Subnet";
+    epdContent[0] = "IP/Subnet";
 
     int ipAddrPos = 0;
     int subnetPos = 0;
     for (int i = 0; i < 4; i++)
     {
-        epdContent[2 + i] = ipAddr.substring(0, ipAddr.indexOf('.')) + "/" + subNet.substring(0, subNet.indexOf('.'));
+        epdContent[1 + i] = ipAddr.substring(0, ipAddr.indexOf('.')) + "/" + subNet.substring(0, subNet.indexOf('.'));
         ipAddrPos = ipAddr.indexOf('.') + 1;
         subnetPos = subNet.indexOf('.') + 1;
         ipAddr = ipAddr.substring(ipAddrPos);
         subNet = subNet.substring(subnetPos);
     }
+    epdContent[NUM_SCREENS-2] = "RAM/Status";
+
+    epdContent[NUM_SCREENS-1] = String((int)round(ESP.getFreeHeap()/1024)) + "/" + (int)round(ESP.getHeapSize()/1024);
 
     CustomTextScreen::setText(epdContent);
 

src/lib/functions.hpp

@@ -5,6 +5,7 @@
 //#include <WiFiMulti.h>
 
 #include "config.h"
+#include "utils.hpp"
 #include "shared.hpp"
 #include "Adafruit_GFX.h"
 #include "lib/epd.hpp"

src/lib/utils.cpp

@@ -0,0 +1,54 @@
+#include "utils.hpp";
+
+double getSupplyAtBlock(uint blockNr) {
+    if (blockNr >= 33 * 210000) {
+        return 20999999.9769;
+    } 
+
+    const int initialBlockReward = 50;  // Initial block reward
+    const int halvingInterval = 210000;  // Number of blocks before halving
+
+    int halvingCount = blockNr / halvingInterval;
+    double totalBitcoinInCirculation = 0;
+
+    for (int i = 0; i < halvingCount; ++i) {
+        totalBitcoinInCirculation += halvingInterval * initialBlockReward * std::pow(0.5, i);
+    }
+
+    totalBitcoinInCirculation += (blockNr % halvingInterval) * initialBlockReward * std::pow(0.5, halvingCount);
+
+    return totalBitcoinInCirculation;
+}
+
+std::string formatNumberWithSuffix(int64_t num) {
+    const long long quadrillion = 1000000000000000LL;
+    const long long trillion = 1000000000000LL;
+    const long long billion = 1000000000;
+    const long long million = 1000000;
+    const long long thousand = 1000;
+
+    if (num >= quadrillion) {
+        return std::to_string(num / quadrillion) + "Q";
+    } else if (num >= trillion) {
+        return std::to_string(num / trillion) + "T";
+    } else if (num >= billion) {
+        return std::to_string(num / billion) + "B";
+    } else if (num >= million) {
+        return std::to_string(num / million) + "M";
+    } else if (num >= thousand) {
+        return std::to_string(num / thousand) + "K";
+    } else {
+        return std::to_string(num);
+    }
+}
+
+String getMyHostname() {
+    uint8_t mac[6];
+    //WiFi.macAddress(mac);
+    esp_efuse_mac_get_default(mac);
+    char hostname[15]; 
+    String hostnamePrefix = preferences.getString("hostnamePrefix", "btclock");
+    snprintf(hostname, sizeof(hostname), "%s-%02x%02x%02x",
+             hostnamePrefix, mac[3], mac[4], mac[5]);
+    return hostname;
+}

src/lib/utils.hpp

@@ -0,0 +1,7 @@
+#pragma once
+
+#include "shared.hpp"
+
+double getSupplyAtBlock(uint blockNr);
+std::string formatNumberWithSuffix(int64_t num);
+String getMyHostname();

src/lib/webserver.cpp

@@ -52,7 +52,7 @@ void setupWebserver()
 
     // Start server
     server.begin();
-    if (!MDNS.begin(HOSTNAME))
+    if (!MDNS.begin(getMyHostname()))
     {
         Serial.println(F("Error setting up MDNS responder!"));
         while (1)
@@ -61,13 +61,16 @@ void setupWebserver()
         }
     }
     MDNS.addService("http", "tcp", 80);
+    MDNS.addServiceTxt("http", "tcp", "model", "BTClock");
+    MDNS.addServiceTxt("http", "tcp", "version", "2.0");
+    MDNS.addServiceTxt("http", "tcp", "rev", GIT_REV);
     Serial.println(F("Webserver should be running"));
 }
 
 /**
  * @Api
  * @Path("/api/status")
-*/
+ */
 void onApiStatus(AsyncWebServerRequest *request)
 {
     AsyncResponseStream *response = request->beginResponseStream("application/json");
@@ -110,7 +113,7 @@ void onApiStatus(AsyncWebServerRequest *request)
 /**
  * @Api
  * @Path("/api/action/pause")
-*/
+ */
 void onApiActionPause(AsyncWebServerRequest *request)
 {
     timerRunning = false;
@@ -122,7 +125,7 @@ void onApiActionPause(AsyncWebServerRequest *request)
 /**
  * @Api
  * @Path("/api/action/full_refresh")
-*/
+ */
 void onApiFullRefresh(AsyncWebServerRequest *request)
 {
 
@@ -134,7 +137,7 @@ void onApiFullRefresh(AsyncWebServerRequest *request)
 /**
  * @Api
  * @Path("/api/action/timer_restart")
-*/
+ */
 void onApiActionTimerRestart(AsyncWebServerRequest *request)
 {
     // moment = millis();
@@ -148,7 +151,7 @@ void onApiActionTimerRestart(AsyncWebServerRequest *request)
  * @Api
  * @Path("/api/action/update")
  * @Parameter int rate Time in minutes
-*/
+ */
 void onApiActionUpdate(AsyncWebServerRequest *request)
 {
     if (request->hasParam("rate"))
@@ -167,10 +170,10 @@ void onApiActionUpdate(AsyncWebServerRequest *request)
  * @Api
  * @Method GET
  * @Path("/api/settings")
-*/
+ */
 void onApiSettingsGet(AsyncWebServerRequest *request)
 {
-    StaticJsonDocument<768> root;
+    StaticJsonDocument<1536> root;
     root["numScreens"] = NUM_SCREENS;
     root["fgColor"] = getFgColor();
     root["bgColor"] = getBgColor();
@@ -184,7 +187,9 @@ void onApiSettingsGet(AsyncWebServerRequest *request)
     root["rpcUser"] = preferences.getString("rpcUser", BITCOIND_RPC_USER);
     root["rpcHost"] = preferences.getString("rpcHost", BITCOIND_HOST);
     root["mempoolInstance"] = preferences.getString("mempoolInstance", DEFAULT_MEMPOOL_INSTANCE);
-
+    root["hostnamePrefix"] = preferences.getString("hostnamePrefix", "btclock");
+    root["hostname"] = getMyHostname();
+    
 #ifdef IS_BW
     root["epdColors"] = 2;
 #else
@@ -212,7 +217,7 @@ void onApiSettingsGet(AsyncWebServerRequest *request)
 
     AsyncResponseStream *response = request->beginResponseStream("application/json");
     serializeJson(root, *response);
-    
+
     request->send(response);
 }
 
@@ -290,6 +295,14 @@ void onApiSettingsPost(AsyncWebServerRequest *request)
         settingsChanged = true;
     }
 
+    if (request->hasParam("hostnamePrefix", true))
+    {
+        AsyncWebParameter *hostnamePrefix = request->getParam("hostnamePrefix", true);
+
+        preferences.putString("hostnamePrefix", hostnamePrefix->value().c_str());
+        settingsChanged = true;
+    }
+
     if (request->hasParam("ledBrightness", true))
     {
         AsyncWebParameter *ledBrightness = request->getParam("ledBrightness", true);

src/main.cpp

@@ -18,6 +18,7 @@
 #include "screens/ticker.hpp"
 #include "screens/time.hpp"
 #include "screens/halvingcountdown.hpp"
+#include "screens/market_cap.hpp"
 
 #include "tasks/ha.hpp"
 #include "tasks/epd.hpp"
@@ -62,6 +63,7 @@ void setup()
     BlockHeightScreen::init();
     HalvingCountdownScreen::init();
     TickerScreen::init();
+    MarketCapScreen::init();
 
 #ifdef WITH_BUTTONS
     setupButtonTask();

src/screens/blockheight.cpp

@@ -57,4 +57,8 @@ std::array<String, NUM_SCREENS> BlockHeightScreen::getEpdContent()
     //    std::copy(std::begin(BlockHeightScreen::epdContent), std::end(BlockHeightScreen::epdContent), std::begin(ret));
 
     return ret;
+}
+
+uint BlockHeightScreen::getBlockNr() {
+    return blockNr;
 }

src/screens/blockheight.hpp

@@ -17,4 +17,5 @@ public:
     static void showScreen();
     static void onNewBlock(uint blockNr);
     static std::array<String, NUM_SCREENS> getEpdContent();
+    static uint getBlockNr();
 };

src/screens/market_cap.cpp

@@ -0,0 +1,30 @@
+#include "market_cap.hpp"
+
+uint MarketCapScreen::satsPerDollar = 0;
+std::array<String, NUM_SCREENS> MarketCapScreen::epdContent = {"", "", "", "", "", "", ""};
+
+void MarketCapScreen::init()
+{
+    // Dependent on price and blocks
+    MarketCapScreen::showScreen();
+}
+
+void MarketCapScreen::showScreen()
+{
+    double supply = getSupplyAtBlock(BlockHeightScreen::getBlockNr());
+    int64_t marketCap = static_cast<std::int64_t>(supply * double(TickerScreen::getPrice()));
+
+    std::string priceString = "$" + formatNumberWithSuffix(marketCap);
+    priceString.insert(priceString.begin(), NUM_SCREENS - priceString.length(), ' ');
+
+    epdContent[0] = "USD/MCAP";
+    for (uint i = 1; i < NUM_SCREENS; i++)
+    {
+        MarketCapScreen::epdContent[i] = priceString[i];
+    }
+}
+
+std::array<String, NUM_SCREENS> MarketCapScreen::getEpdContent()
+{
+    return MarketCapScreen::epdContent;
+}

src/screens/market_cap.hpp

@@ -0,0 +1,20 @@
+#pragma once
+
+#include "base.hpp"
+#include "config.h"
+#include "shared.hpp"
+#include "lib/utils.hpp"
+#include "blockheight.hpp";
+#include "ticker.hpp";
+#include "tasks/epd.hpp"
+
+class MarketCapScreen {
+    protected:
+        static uint satsPerDollar;
+        static std::array<String, NUM_SCREENS> epdContent;
+    public:
+        static void init();
+        static void showScreen();
+        static void onPriceUpdate(uint price);
+        static std::array<String, NUM_SCREENS> getEpdContent();
+};

src/screens/sats_per_dollar.cpp

@@ -1,30 +0,0 @@
-// #include "sats_per_dollar.hpp"
-
-// uint SatsPerDollarScreen::satsPerDollar = 0;
-// std::array<String, NUM_SCREENS> SatsPerDollarScreen::epdContent = { "", "", "", "", "", "", "" };
-
-// void SatsPerDollarScreen::init() {
-//     SatsPerDollarScreen::satsPerDollar = int(round(1 / preferences.getFloat("btcPrice", 12345) * 10e7));
-//     setupGetPriceTask();
-//     SatsPerDollarScreen::showScreen();
-// }
-
-// void SatsPerDollarScreen::showScreen() {
-//     std::string satsPerDollarString = String(SatsPerDollarScreen::satsPerDollar).c_str();
-//     satsPerDollarString.insert(satsPerDollarString.begin(), 7 - satsPerDollarString.length(), ' ');
-//     epdContent[0] = "MSCW/TIME";
-//     for (uint i = 1; i < NUM_SCREENS; i++)
-//     {
-//         SatsPerDollarScreen::epdContent[i] = satsPerDollarString[i];
-//     }
-// }
-
-// void SatsPerDollarScreen::onPriceUpdate(uint price) {
-//     SatsPerDollarScreen::satsPerDollar = int(round(1 / float(price) * 10e7));
-
-//     SatsPerDollarScreen::showScreen();
-// }
-
-// std::array<String, NUM_SCREENS> SatsPerDollarScreen::getEpdContent() {
-//     return SatsPerDollarScreen::epdContent;
-// }

src/screens/sats_per_dollar.hpp

@@ -1,17 +0,0 @@
-// #pragma once
-
-// #include "base.hpp"
-// #include "config.h"
-// #include "shared.hpp"
-// #include "tasks/epd.hpp"
-
-// class SatsPerDollarScreen {
-//     protected:
-//         static uint satsPerDollar;
-//         static std::array<String, NUM_SCREENS> epdContent;
-//     public:
-//         static void init();
-//         static void showScreen();
-//         static void onPriceUpdate(uint price);
-//         static std::array<String, NUM_SCREENS> getEpdContent();
-// };

src/screens/ticker.cpp

@@ -48,4 +48,8 @@ std::array<String, NUM_SCREENS> TickerScreen::getEpdContentSats() {
 
 
     return epdContentSats;
+}
+
+uint TickerScreen::getPrice() {
+    return price;
 }

src/screens/ticker.hpp

@@ -18,4 +18,5 @@ public:
     static void onPriceUpdate(uint price);
     static std::array<String, NUM_SCREENS> getEpdContent();
     static std::array<String, NUM_SCREENS> getEpdContentSats();
+    static uint getPrice();
 };

src/shared.hpp

@@ -55,9 +55,11 @@ const PROGMEM int SCREEN_MSCW_TIME = 1;
 const PROGMEM int SCREEN_BTC_TICKER = 2;
 const PROGMEM int SCREEN_TIME = 3;
 const PROGMEM int SCREEN_HALVING_COUNTDOWN = 4;
+const PROGMEM int SCREEN_MARKET_CAP = 5;
+
 const PROGMEM int SCREEN_COUNTDOWN = 98;
 const PROGMEM int SCREEN_CUSTOM = 99;
-const PROGMEM int screens[5] = { SCREEN_BLOCK_HEIGHT, SCREEN_MSCW_TIME, SCREEN_BTC_TICKER, SCREEN_TIME, SCREEN_HALVING_COUNTDOWN };
+const PROGMEM int screens[6] = { SCREEN_BLOCK_HEIGHT, SCREEN_MSCW_TIME, SCREEN_BTC_TICKER, SCREEN_TIME, SCREEN_HALVING_COUNTDOWN, SCREEN_MARKET_CAP };
 
 const uint screenCount = sizeof(screens) / sizeof(int);
 

src/tasks/epd.cpp

@@ -192,6 +192,9 @@ void taskEpd(void *pvParameters)
         case SCREEN_HALVING_COUNTDOWN:
             epdContent = HalvingCountdownScreen::getEpdContent();
             break;
+        case SCREEN_MARKET_CAP:
+            epdContent = MarketCapScreen::getEpdContent();
+            break;
         case SCREEN_COUNTDOWN:
             epdContent = CountdownScreen::getEpdContent();
             break;
@@ -325,7 +328,7 @@ extern "C" void updateDisplay(void *pvParameters) noexcept
 
         if (epdContent[epdIndex].compareTo(currentEpdContent[epdIndex]) != 0)
         {
-            displays[epdIndex].init(0, false, 20); // Little longer reset duration because of MCP
+            displays[epdIndex].init(0, false); // Little longer reset duration because of MCP
             #ifndef USE_UNIVERSAL_PIN
             resetSingleDisplay(epdIndex);
             #endif

src/tasks/epd.hpp

@@ -11,10 +11,12 @@
 #include "screens/blockheight.hpp"
 #include "screens/ticker.hpp"
 #include "screens/time.hpp"
-#include "screens/sats_per_dollar.hpp"
+#include "screens/market_cap.hpp"
 #include "screens/countdown.hpp"
 #include "screens/custom_text.hpp"
 #include "screens/halvingcountdown.hpp"
+
+
 #ifdef USE_UNIVERSAL_PIN
 #include <native_pin.hpp>
 #include <mcp23x17_pin.hpp>

src/tasks/minute.cpp

@@ -1,44 +1,59 @@
 #include "minute.hpp"
 
 TaskHandle_t minuteTaskHandle = NULL;
- // Define a type for the event callback
+// Define a type for the event callback
 std::vector<EventCallback> minuteEventCallbacks; // Define a vector to hold multiple event callbacks
-bool eventTriggered = false; // Initialize the event triggered flag to false
+bool eventTriggered = false;                     // Initialize the event triggered flag to false
+const int usPerMinute = 60 * 1000000;
 
-void minuteTask(void * parameter) {
-  while(1) {
-    #ifdef IS_3C // wait 5 minutes in case of a 3 color screen otherwise it keeps refreshing
-    if(rtc.getMinute() % 5 == 0 && !eventTriggered) {
-      eventTriggered = true;
-      for(auto &callback : minuteEventCallbacks) { // Loop through all the event callbacks and call them
-        callback();
-      }
+void minuteTask(void *parameter)
+{
+
+  esp_timer_handle_t minuteTimer;
+  const esp_timer_create_args_t minuteTimerConfig = {
+      .callback = &minuteTimerISR,
+      .name = "minute_timer"};
+
+  esp_timer_create(&minuteTimerConfig, &minuteTimer);
+
+  time_t currentTime;
+  struct tm timeinfo;
+  time(&currentTime);
+  localtime_r(&currentTime, &timeinfo);
+  uint32_t secondsUntilNextMinute = 60 - timeinfo.tm_sec;
+
+  if (secondsUntilNextMinute > 0)
+    vTaskDelay(pdMS_TO_TICKS((secondsUntilNextMinute * 1000)));
+
+  esp_timer_start_periodic(minuteTimer, usPerMinute);
+
+  while (1)
+  {
+    for (auto &callback : minuteEventCallbacks)
+    {
+      callback();
     }
-    if(rtc.getMinute() % 5 != 0 && eventTriggered) { // Reset the event triggered flag if the second is not 0
-      eventTriggered = false;
-    }
-    vTaskDelay(pdMS_TO_TICKS(1000)); // Sleep for 1000 milliseconds to avoid busy waiting
-    #else
-    if(rtc.getSecond() == 0 && !eventTriggered) {
-      eventTriggered = true;
-      for(auto &callback : minuteEventCallbacks) { // Loop through all the event callbacks and call them
-        callback();
-      }
-    }
-    if(rtc.getSecond() != 0) { // Reset the event triggered flag if the second is not 0
-      eventTriggered = false;
-    }
-    vTaskDelay(pdMS_TO_TICKS(1000)); // Sleep for 1000 milliseconds to avoid busy waiting
-    #endif
+
+    ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
+  }
+}
+
+void IRAM_ATTR minuteTimerISR(void *arg)
+{
+  BaseType_t xHigherPriorityTaskWoken = pdFALSE;
+  vTaskNotifyGiveFromISR(minuteTaskHandle, &xHigherPriorityTaskWoken);
+  if (xHigherPriorityTaskWoken == pdTRUE)
+  {
+    portYIELD_FROM_ISR();
   }
 }
 
 void setupMinuteEvent()
 {
-    xTaskCreate(minuteTask, "MinuteTask", 4096, NULL, 1, &minuteTaskHandle); // Create the FreeRTOS task
+  xTaskCreate(minuteTask, "MinuteTask", 4096, NULL, 1, &minuteTaskHandle); // Create the FreeRTOS task
 }
 
 void registerNewMinuteCallback(const EventCallback cb)
 {
   minuteEventCallbacks.push_back(cb);
-} 
+}

src/tasks/minute.hpp

@@ -6,9 +6,13 @@
 #include <freertos/task.h>
 #include <vector>
 #include "shared.hpp"
+#include <esp_timer.h>
+#include <time.h>
 
 extern TaskHandle_t minuteTaskHandle;
 
 void minuteTask(void *pvParameters);
 void setupMinuteEvent();
+void IRAM_ATTR minuteTimerISR(void* arg);
+
 void registerNewMinuteCallback(const EventCallback cb);