changed partition to littlefs, not working yet

Fixed Filters, split file in html, script and css
Webpage is OK, html in memory since SPIFFS is to slow.
2026-04-08 17:10:30 +02:00 · 2026-04-08 16:55:03 +02:00 · 2026-04-08 15:23:21 +02:00 · 2026-04-08 10:27:18 +02:00 · 2026-04-08 10:26:44 +02:00 · 2026-04-07 17:33:08 +02:00
28 changed files with 1121 additions and 337 deletions
--- a/RotaxMonitor/.gitignore
+++ b/RotaxMonitor/.gitignore
@@ -3,3 +3,4 @@
 .vscode/c_cpp_properties.json
 .vscode/launch.json
 .vscode/ipch
+unpacked_fs
--- a/RotaxMonitor/data/config.json
+++ b/RotaxMonitor/data/config.json
@@ -0,0 +1,3 @@
+{
+    
+}
--- a/RotaxMonitor/data/index.html
+++ b/RotaxMonitor/data/index.html
@@ -0,0 +1,88 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <title>ESP32 Dashboard</title>
+    <link rel="stylesheet" href="style.css">
+</head>
+<body>
+
+    <h2>RotaxMonitor realtime data</h2>
+
+    <button onclick="start()">Start</button>
+    <button onclick="stop()">Stop</button>
+
+    <div style="max-width: 900px; margin: 0 auto; text-align: left;">
+        <p><strong>Timestamp:</strong> <span id="timestamp">-</span></p>
+        <p><strong>Data Valid:</strong> <span id="datavalid">-</span></p>
+        <p><strong>Generator voltage:</strong> <span id="volts_gen">-</span></p>
+        <p><strong>Engine RPM:</strong> <span id="eng_rpm">-</span></p>
+        <p><strong>ADC read time:</strong> <span id="adc_read_time">-</span></p>
+        <p><strong>Queue errors:</strong> <span id="n_queue_errors">-</span></p>
+
+        <table>
+            <thead>
+                <tr>
+                    <th>Property</th>
+                    <th>Coils 12</th>
+                    <th>Coils 34</th>
+                </tr>
+            </thead>
+            <tbody>
+                <tr>
+                    <td>Spark delay</td>
+                    <td id="coils12_spark_delay">-</td>
+                    <td id="coils34_spark_delay">-</td>
+                </tr>
+                <tr>
+                    <td>Spark status</td>
+                    <td id="coils12_spark_status">-</td>
+                    <td id="coils34_spark_status">-</td>
+                </tr>
+                <tr>
+                    <td>Soft start status</td>
+                    <td id="coils12_sstart_status">-</td>
+                    <td id="coils34_sstart_status">-</td>
+                </tr>
+                <tr>
+                    <td>Peak P in</td>
+                    <td id="coils12_peak_p_in">-</td>
+                    <td id="coils34_peak_p_in">-</td>
+                </tr>
+                <tr>
+                    <td>Peak N in</td>
+                    <td id="coils12_peak_n_in">-</td>
+                    <td id="coils34_peak_n_in">-</td>
+                </tr>
+                <tr>
+                    <td>Peak P out</td>
+                    <td id="coils12_peak_p_out">-</td>
+                    <td id="coils34_peak_p_out">-</td>
+                </tr>
+                <tr>
+                    <td>Peak N out</td>
+                    <td id="coils12_peak_n_out">-</td>
+                    <td id="coils34_peak_n_out">-</td>
+                </tr>
+                <tr>
+                    <td>Level spark</td>
+                    <td id="coils12_level_spark">-</td>
+                    <td id="coils34_level_spark">-</td>
+                </tr>
+                <tr>
+                    <td>Events</td>
+                    <td id="coils12_n_events">-</td>
+                    <td id="coils34_n_events">-</td>
+                </tr>
+                <tr>
+                    <td>Missed firings</td>
+                    <td id="coils12_n_missed_firing">-</td>
+                    <td id="coils34_n_missed_firing">-</td>
+                </tr>
+            </tbody>
+        </table>
+    </div>
+
+    <script src="script.js"></script>
+</body>
+</html>
--- a/RotaxMonitor/data/script.js
+++ b/RotaxMonitor/data/script.js
@@ -0,0 +1,66 @@
+let ws;
+
+function connectWS() {
+    ws = new WebSocket("ws://" + location.host + "/ws");
+
+    ws.onopen = () => {
+        console.log("WebSocket connesso");
+    };
+
+    ws.onclose = () => {
+        console.log("WebSocket disconnesso, retry...");
+        setTimeout(connectWS, 5000);
+    };
+
+    ws.onmessage = (event) => {
+        let data;
+
+        try {
+            data = JSON.parse(event.data);
+        } catch (e) {
+            console.error("Invalid JSON received", e);
+            return;
+        }
+
+        document.getElementById("datavalid").textContent = data.datavalid ?? "-";
+        document.getElementById("timestamp").textContent = data.timestamp ?? "-";
+        document.getElementById("volts_gen").textContent = data.volts_gen ?? "-";
+        document.getElementById("eng_rpm").textContent = data.eng_rpm ?? "-";
+        document.getElementById("adc_read_time").textContent = data.adc_read_time ?? "-";
+        document.getElementById("n_queue_errors").textContent = data.n_queue_errors ?? "-";
+
+        const coils12 = data.coils12 || {};
+        const coils34 = data.coils34 || {};
+
+        document.getElementById("coils12_spark_delay").textContent = coils12.spark_delay ?? "-";
+        document.getElementById("coils34_spark_delay").textContent = coils34.spark_delay ?? "-";
+        document.getElementById("coils12_spark_status").textContent = coils12.spark_status ?? "-";
+        document.getElementById("coils34_spark_status").textContent = coils34.spark_status ?? "-";
+        document.getElementById("coils12_sstart_status").textContent = coils12.sstart_status ?? "-";
+        document.getElementById("coils34_sstart_status").textContent = coils34.sstart_status ?? "-";
+        document.getElementById("coils12_peak_p_in").textContent = coils12.peak_p_in ?? "-";
+        document.getElementById("coils34_peak_p_in").textContent = coils34.peak_p_in ?? "-";
+        document.getElementById("coils12_peak_n_in").textContent = coils12.peak_n_in ?? "-";
+        document.getElementById("coils34_peak_n_in").textContent = coils34.peak_n_in ?? "-";
+        document.getElementById("coils12_peak_p_out").textContent = coils12.peak_p_out ?? "-";
+        document.getElementById("coils34_peak_p_out").textContent = coils34.peak_p_out ?? "-";
+        document.getElementById("coils12_peak_n_out").textContent = coils12.peak_n_out ?? "-";
+        document.getElementById("coils34_peak_n_out").textContent = coils34.peak_n_out ?? "-";
+        document.getElementById("coils12_level_spark").textContent = coils12.level_spark ?? "-";
+        document.getElementById("coils34_level_spark").textContent = coils34.level_spark ?? "-";
+        document.getElementById("coils12_n_events").textContent = coils12.n_events ?? "-";
+        document.getElementById("coils34_n_events").textContent = coils34.n_events ?? "-";
+        document.getElementById("coils12_n_missed_firing").textContent = coils12.n_missed_firing ?? "-";
+        document.getElementById("coils34_n_missed_firing").textContent = coils34.n_missed_firing ?? "-";
+    };
+}
+
+function start() {
+    fetch("/start");
+}
+
+function stop() {
+    fetch("/stop");
+}
+
+connectWS();
--- a/RotaxMonitor/data/style.css
+++ b/RotaxMonitor/data/style.css
@@ -0,0 +1,29 @@
+body {
+    font-family: Arial;
+    text-align: center;
+    margin-top: 40px;
+}
+
+table {
+    margin: auto;
+    border-collapse: collapse;
+    width: 100%;
+    max-width: 900px;
+}
+
+th, td {
+    border: 1px solid #ccc;
+    padding: 10px;
+    font-size: 16px;
+    text-align: left;
+}
+
+th {
+    background-color: #f4f4f4;
+}
+
+button {
+    margin: 10px;
+    padding: 10px 20px;
+    font-size: 16px;
+}
--- a/RotaxMonitor/lib/ADS1256/ADS1256.cpp
+++ b/RotaxMonitor/lib/ADS1256/ADS1256.cpp
@@ -120,14 +120,14 @@ void ADS1256::setDRATE(uint8_t drate) //Setting DRATE (sampling frequency)
 {		
 	writeRegister(DRATE_REG, drate);
 	_DRATE = drate;
-	delay(200);
+	delayMicroseconds(500);
 }

 void ADS1256::setMUX(uint8_t mux) //Setting MUX (input channel)
 {	
 	writeRegister(MUX_REG, mux);
 	_MUX = mux;
-	delay(200);
+	//delayMicroseconds(500);
 }

 void ADS1256::setPGA(uint8_t pga) //Setting PGA (input voltage range)
@@ -138,7 +138,7 @@ void ADS1256::setPGA(uint8_t pga) //Setting PGA (input voltage range)
 	_ADCON = (_ADCON & 0b11111000) | (_PGA & 0b00000111); // Clearing and then setting bits 2-0 based on pga
 	
 	writeRegister(ADCON_REG, _ADCON);	
-	delay(200);
+	delayMicroseconds(1000); //Delay to allow the PGA to settle after changing its value
 	
 	updateConversionParameter(); //Update the multiplier according top the new PGA value
 }
@@ -501,8 +501,6 @@ void ADS1256::writeRegister(uint8_t registerAddress, uint8_t registerValueToWrit
  
  CS_HIGH();
  _spi->endTransaction();
-  delay(100);
-  
 }

 long ADS1256::readRegister(uint8_t registerAddress) //Reading a register
@@ -524,7 +522,7 @@ long ADS1256::readRegister(uint8_t registerAddress) //Reading a register

  CS_HIGH();
  _spi->endTransaction();
-  delay(100);
+
  return regValue;
 }

--- a/RotaxMonitor/lib/ADS1256/ADS1256.h
+++ b/RotaxMonitor/lib/ADS1256/ADS1256.h
--- a/RotaxMonitor/lib/ADS5292/AD5292.cpp
+++ b/RotaxMonitor/lib/ADS5292/AD5292.cpp
--- a/RotaxMonitor/lib/ADS5292/AD5292.h
+++ b/RotaxMonitor/lib/ADS5292/AD5292.h
--- a/RotaxMonitor/partitions/no_ota_10mb_littlefs.csv
+++ b/RotaxMonitor/partitions/no_ota_10mb_littlefs.csv
@@ -0,0 +1,6 @@
+# ESP32 Partition Table
+# Name, Type, SubType, Offset, Size
+nvs,      data, nvs,     0x9000,  0x4000
+phy_init, data, phy,     0xd000,  0x1000
+factory,  app,  factory, 0x10000, 0x300000
+littlefs, data, littlefs, 0x310000, 0xCF0000
--- a/RotaxMonitor/partitions/no_ota_10mb_spiffs.csv
+++ b/RotaxMonitor/partitions/no_ota_10mb_spiffs.csv
@@ -0,0 +1,6 @@
+# ESP32 Partition Table
+# Name, Type, SubType, Offset, Size
+nvs,      data, nvs,     0x9000,  0x4000
+phy_init, data, phy,     0xd000,  0x1000
+factory,  app,  factory, 0x10000, 0x300000
+spiffs,   data, spiffs,  0x310000, 0xCF0000
--- a/RotaxMonitor/platformio.ini
+++ b/RotaxMonitor/platformio.ini
@@ -10,59 +10,63 @@

 [env:esp32-s3-devkitc1-n16r8]
 board = esp32-s3-devkitc1-n16r8
+board_build.partitions = partitions/no_ota_10mb_littlefs.csv
+board_build.filesystem = littlefs
 platform = https://github.com/pioarduino/platform-espressif32/releases/download/stable/platform-espressif32.zip
 framework = arduino
 lib_deps = 
 	hideakitai/DebugLog@^0.8.4
 	bblanchon/ArduinoJson@^7.4.2
 	hideakitai/PCA95x5@^0.1.3
-	adafruit/Adafruit SSD1306@^2.5.16
-	garfius/Menu-UI@^1.2.0
-
-;Upload protocol configuration
+	me-no-dev/AsyncTCP@^3.3.2
+	me-no-dev/ESPAsyncWebServer@^3.6.0
 upload_protocol = esptool
-upload_port = /dev/ttyACM2
+upload_port = COM4
 upload_speed = 921600
-
-;Monitor configuration
-monitor_speed = 115200
-monitor_port = /dev/ttyACM2
-
-; Build configuration
+monitor_port = COM4
+monitor_speed = 921600
 build_type = release
 build_flags = 
-    -DARDUINO_USB_CDC_ON_BOOT=0
-    -DARDUINO_USB_MODE=0
-    -fstack-protector-all
-    -DCONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=1
-    -DCONFIG_FREERTOS_USE_TRACE_FACILITY=1
+	-DCORE_DEBUG_LEVEL=5
+	-DARDUINO_USB_CDC_ON_BOOT=0
+	-DARDUINO_USB_MODE=0
+	-DCONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=1
+	-DCONFIG_FREERTOS_USE_TRACE_FACILITY=1
+	-DCONFIG_ASYNC_TCP_MAX_ACK_TIME=5000
+	-DCONFIG_ASYNC_TCP_PRIORITY=20
+	-DCONFIG_ASYNC_TCP_QUEUE_SIZE=128
+	-DCONFIG_ASYNC_TCP_RUNNING_CORE=1
+	-DCONFIG_ASYNC_TCP_STACK_SIZE=8192
+	-fstack-protector-all

 [env:esp32-s3-devkitc1-n16r8-debug]
 board = ${env:esp32-s3-devkitc1-n16r8.board}
+board_build.partitions = ${env:esp32-s3-devkitc1-n16r8.board_build.partitions}
+board_build.filesystem = ${env:esp32-s3-devkitc1-n16r8.board_build.filesystem}
 platform = ${env:esp32-s3-devkitc1-n16r8.platform}
 framework = ${env:esp32-s3-devkitc1-n16r8.framework}
-lib_deps = ${env:esp32-s3-devkitc1-n16r8.lib_deps}
-
-;Upload protocol configuration
+lib_deps = 
+	${env:esp32-s3-devkitc1-n16r8.lib_deps}
 upload_protocol = esptool
-upload_port = /dev/ttyACM2
+upload_port = COM8
 upload_speed = 921600
-
-;Monitor configuration
-monitor_speed = 115200
-monitor_port = /dev/ttyACM2
-
-; Debug configuration
+monitor_port = COM4
+monitor_speed = 921600
 debug_tool = esp-builtin
 debug_speed = 15000
-
-; Build configuration
 build_type = debug
 build_flags = 
-    -O0
-    -g3
-    -ggdb3
-    -DCORE_DEBUG_LEVEL=5
-    -DARDUINO_USB_CDC_ON_BOOT=0
-    -DARDUINO_USB_MODE=0
-    -fstack-protector-all
+	-O0
+	-g3
+	-ggdb3
+	-DCORE_DEBUG_LEVEL=5
+	-DARDUINO_USB_CDC_ON_BOOT=0
+	-DARDUINO_USB_MODE=0
+	-DCONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=1
+	-DCONFIG_FREERTOS_USE_TRACE_FACILITY=1
+	-DCONFIG_ASYNC_TCP_MAX_ACK_TIME=5000
+	-DCONFIG_ASYNC_TCP_PRIORITY=20
+	-DCONFIG_ASYNC_TCP_QUEUE_SIZE=128
+	-DCONFIG_ASYNC_TCP_RUNNING_CORE=1
+	-DCONFIG_ASYNC_TCP_STACK_SIZE=8192
+	-fstack-protector-all
--- a/RotaxMonitor/src/channels.h
+++ b/RotaxMonitor/src/channels.h
@@ -1,11 +0,0 @@
-// ADC Channels
-
-#define A1_RAW  0
-#define A2_RAW  1
-#define B1_RAW  2
-#define B2_RAW  3
-
-#define A1_COND 4
-#define A2_COND 5
-#define B1_COND 6
-#define B2_COND 7
--- a/RotaxMonitor/src/datasave.cpp
+++ b/RotaxMonitor/src/datasave.cpp
@@ -0,0 +1,201 @@
+#include "datasave.h"
+#include <math.h>
+
+static const size_t min_free = 1024 * 1024; // minimum free space in SPIFFS to allow saving history (1MB)
+
+void ignitionBoxStatusAverage::filter(int32_t &old, const int32_t value, const uint32_t k)
+{
+    float alpha = 1.0f / (float)k;
+    old = old + (int32_t)(alpha * (float)(value - old));
+}
+
+void ignitionBoxStatusAverage::filter(float &old, const float value, const uint32_t k)
+{
+    float alpha = 1.0f / (float)k;
+    old = old + (float)(alpha * (float)(value - old));
+}
+
+void ignitionBoxStatusAverage::reset()
+{
+    m_last = ignitionBoxStatus();
+    m_count = 0;
+    m_data_valid = false;
+}
+
+void ignitionBoxStatusAverage::update(const ignitionBoxStatus &new_status)
+{
+    if (m_count == 0 && !m_data_valid)
+    {
+        m_last = new_status;
+    }
+    m_count++;
+    // simple moving average calculation
+    m_last.timestamp = new_status.timestamp; // keep timestamp of latest status
+
+    m_last.coils12.n_events = new_status.coils12.n_events;                           // sum events instead of averaging
+    m_last.coils12.n_missed_firing = new_status.coils12.n_missed_firing;             // sum missed firings instead of averaging
+    m_last.coils12.spark_status = new_status.coils12.spark_status;                   // take latest spark status
+    m_last.coils12.sstart_status = new_status.coils12.sstart_status;                 // take latest soft start status
+    filter(m_last.coils12.spark_delay, new_status.coils12.spark_delay, m_max_count); // incremental average calculation
+    filter(m_last.coils12.peak_p_in, new_status.coils12.peak_p_in, m_max_count);     // incremental average calculation
+    filter(m_last.coils12.peak_n_in, new_status.coils12.peak_n_in, m_max_count);     // incremental average calculation
+    filter(m_last.coils12.peak_p_out, new_status.coils12.peak_p_out, m_max_count);   // incremental average calculation
+    filter(m_last.coils12.peak_n_out, new_status.coils12.peak_n_out, m_max_count);   // incremental average calculation
+
+    m_last.coils34.n_events = new_status.coils34.n_events;                                                        // sum events instead of averaging
+    m_last.coils34.n_missed_firing = new_status.coils34.n_missed_firing;                                          // sum missed firings instead of averaging
+    m_last.coils34.spark_status = new_status.coils34.spark_status;                                                // take latest spark status
+    m_last.coils34.sstart_status = new_status.coils34.sstart_status;                                              // take latest soft start status
+    filter(m_last.coils34.spark_delay, new_status.coils34.spark_delay, m_max_count);                              // incremental average calculation
+    filter(m_last.coils34.peak_p_in, new_status.coils34.peak_p_in, m_max_count);     // incremental average calculation
+    filter(m_last.coils34.peak_n_in, new_status.coils34.peak_n_in, m_max_count);     // incremental average calculation
+    filter(m_last.coils34.peak_p_out, new_status.coils34.peak_p_out, m_max_count);   // incremental average calculation
+    filter(m_last.coils34.peak_n_out, new_status.coils34.peak_n_out, m_max_count);   // incremental average calculation
+    filter(m_last.eng_rpm, new_status.eng_rpm, m_max_count);         // incremental average calculation                   // incremental average calculation
+    filter(m_last.adc_read_time, m_last.adc_read_time, m_max_count); // incremental average calculation
+    m_last.n_queue_errors = new_status.n_queue_errors;               // take last of queue errors since it's a cumulative count of errors in the queue, not an average value
+
+    if (m_count >= m_max_count)
+    {
+        m_count = 0;         // reset count after reaching max samples to average
+        m_data_valid = true; // set data valid flag after first average is calculated
+    }
+}
+
+const bool ignitionBoxStatusAverage::get(ignitionBoxStatus &status) const
+{
+    if (m_data_valid)
+    {
+        status = m_last;
+    }
+    return m_data_valid;
+}
+
+const ArduinoJson::JsonDocument ignitionBoxStatusAverage::toJson() const
+{
+    ArduinoJson::JsonDocument doc;
+    if (m_data_valid)
+    {
+        doc["timestamp"] = m_last.timestamp;
+        doc["datavalid"] = m_data_valid ? "TRUE" : "FALSE";
+
+        doc["coils12"]["n_events"] = m_last.coils12.n_events;
+        doc["coils12"]["n_missed_firing"] = m_last.coils12.n_missed_firing;
+        doc["coils12"]["spark_delay"] = m_last.coils12.spark_delay;
+        doc["coils12"]["spark_status"] = sparkStatusNames.at(m_last.coils12.spark_status);
+        doc["coils12"]["peak_p_in"] = m_last.coils12.peak_p_in;
+        doc["coils12"]["peak_n_in"] = m_last.coils12.peak_n_in;
+        doc["coils12"]["peak_p_out"] = m_last.coils12.peak_p_out;
+        doc["coils12"]["peak_n_out"] = m_last.coils12.peak_n_out;
+        doc["coils12"]["sstart_status"] = softStartStatusNames.at(m_last.coils12.sstart_status);
+
+        doc["coils34"]["n_events"] = m_last.coils34.n_events;
+        doc["coils34"]["n_missed_firing"] = m_last.coils34.n_missed_firing;
+        doc["coils34"]["spark_delay"] = m_last.coils34.spark_delay;
+        doc["coils34"]["spark_status"] = sparkStatusNames.at(m_last.coils34.spark_status);
+        doc["coils34"]["peak_p_in"] = m_last.coils34.peak_p_in;
+        doc["coils34"]["peak_n_in"] = m_last.coils34.peak_n_in;
+        doc["coils34"]["peak_p_out"] = m_last.coils34.peak_p_out;
+        doc["coils34"]["peak_n_out"] = m_last.coils34.peak_n_out;
+        doc["coils34"]["sstart_status"] = softStartStatusNames.at(m_last.coils34.sstart_status);
+
+        doc["eng_rpm"] = m_last.eng_rpm;
+        doc["adc_read_time"] = m_last.adc_read_time;
+        doc["n_queue_errors"] = m_last.n_queue_errors;
+    }
+    return doc;
+}
+
+void saveHistoryTask(void *pvParameters)
+{
+    const auto *params = static_cast<dataSaveParams *>(pvParameters);
+    const auto &history = *params->history;
+    const auto &file_path = params->file_path;
+    if (!params)
+    {
+        LOG_ERROR("Invalid parameters for saveHistoryTask");
+        return;
+    }
+    LOG_DEBUG("Starting saving: ", file_path.c_str());
+    save_history(history, file_path);
+    vTaskDelete(NULL);
+}
+
+void save_history(const PSRAMVector<ignitionBoxStatus> &history, const std::filesystem::path &file_name)
+{
+    // Initialize SPIFFS
+    if (!SAVE_HISTORY_TO_SPIFFS)
+        return;
+    // auto spiffs_guard = LITTLEFSGuard(); // use RAII guard to ensure SPIFFS is properly mounted and unmounted
+
+    if (LittleFS.totalBytes() - LittleFS.usedBytes() < min_free) // check if at least 1MB is free for saving history
+    {
+        LOG_ERROR("Not enough space in SPIFFS to save history");
+        return;
+    }
+
+    std::filesystem::path file_path = file_name;
+    if (file_name.root_path() != "/littlefs")
+        file_path = std::filesystem::path("/littlefs") / file_name;
+
+    auto save_flags = std::ios::out;
+    if (first_save && LittleFS.exists(file_path.c_str()))
+    {
+        first_save = false;
+        save_flags |= std::ios::trunc;    // overwrite existing file
+        LittleFS.remove(file_path.c_str()); // ensure file is removed before saving to avoid issues with appending to existing file in SPIFFS
+        LOG_INFO("Saving history to LittleFS, new file:", file_path.c_str());
+    }
+    else
+    {
+        save_flags |= std::ios::app; // append to new file
+        LOG_INFO("Saving history to LittleFS, appending to existing file:", file_path.c_str());
+    }
+
+    std::ofstream ofs(file_path, save_flags);
+    if (ofs.fail())
+    {
+        LOG_ERROR("Failed to open file for writing");
+        return;
+    }
+
+    // write csv header
+    if (first_save)
+    {
+        ofs << "TS,\
+        EVENTS_12,DLY_12,STAT_12,V_12_1,V_12_2,V_12_3,V_12_4,IGNITION_MODE_12,\
+        EVENTS_34,DLY_34,STAT_34,V_34_1,V_34_2,V_34_3,V_34_4,IGNITION_MODE_34,\
+        ENGINE_RPM,ADC_READTIME,N_QUEUE_ERRORS"
+            << std::endl;
+        ofs.flush();
+    }
+
+    for (const auto &entry : history)
+    {
+        ofs << std::to_string(entry.timestamp) << ","
+            << std::to_string(entry.coils12.n_events) << ","
+            << std::to_string(entry.coils12.spark_delay) << ","
+            << std::string(sparkStatusNames.at(entry.coils12.spark_status)) << ","
+            << std::to_string(entry.coils12.peak_p_in) << ","
+            << std::to_string(entry.coils12.peak_n_in) << ","
+            << std::to_string(entry.coils12.peak_p_out) << ","
+            << std::to_string(entry.coils12.peak_n_out) << ","
+            << std::string(softStartStatusNames.at(entry.coils12.sstart_status)) << ","
+            << std::to_string(entry.coils34.n_events) << ","
+            << std::to_string(entry.coils34.spark_delay) << ","
+            << std::string(sparkStatusNames.at(entry.coils34.spark_status)) << ","
+            << std::to_string(entry.coils34.peak_p_in) << ","
+            << std::to_string(entry.coils34.peak_n_in) << ","
+            << std::to_string(entry.coils34.peak_p_out) << ","
+            << std::to_string(entry.coils34.peak_n_out) << ","
+            << std::string(softStartStatusNames.at(entry.coils34.sstart_status)) << ","
+            << std::to_string(entry.eng_rpm) << ","
+            << std::to_string(entry.adc_read_time) << ","
+            << std::to_string(entry.n_queue_errors);
+        ofs << std::endl;
+        ofs.flush();
+    }
+
+    ofs.close();
+    LOG_INFO("Ignition A history saved to LittleFS, records written: ", history.size());
+}
--- a/RotaxMonitor/src/datasave.h
+++ b/RotaxMonitor/src/datasave.h
@@ -0,0 +1,73 @@
+#pragma once
+#define DEBUGLOG_DEFAULT_LOG_LEVEL_INFO
+
+// System Includes
+#include <Arduino.h>
+#include <DebugLog.h>
+#include <LittleFS.h>
+#include <string>
+#include <fstream>
+#include <filesystem>
+#include <ArduinoJson.h>
+
+// Project Includes
+#include "isr.h"
+#include "psvector.h"
+
+const uint32_t max_history = 256;
+const bool SAVE_HISTORY_TO_SPIFFS = false; // Set to true to enable saving history to SPIFFS, false to disable
+static bool first_save = true;            // flag to indicate if this is the first save (to write header)
+
+struct dataSaveParams
+{
+    const PSRAMVector<ignitionBoxStatus> *history;
+    const std::filesystem::path file_path;
+};
+
+class LITTLEFSGuard
+{
+public:
+    LITTLEFSGuard()
+    {
+        if (!LittleFS.begin(true))
+        {
+            LOG_ERROR("Failed to mount LittleFS");
+        }
+        LOG_INFO("SPIFFS mounted successfully");
+    }
+
+    ~LITTLEFSGuard()
+    {
+        LittleFS.end();
+        LOG_INFO("LittleFS unmounted successfully");
+    }
+};
+
+class ignitionBoxStatusAverage
+{
+private:
+    ignitionBoxStatus m_last;
+    uint32_t m_count = 0;
+    uint32_t m_max_count = 100; // number of samples to average before resetting
+    bool m_data_valid = false;  // flag to indicate if the average data is valid (i.e. at least one sample has been added)
+
+public:
+    ignitionBoxStatusAverage() = default;
+    ignitionBoxStatusAverage(const uint32_t max_count) : m_max_count(max_count) {
+        m_data_valid = false;
+        m_count = 0;
+    }
+
+    void reset();
+    void update(const ignitionBoxStatus &new_status);
+    const bool get(ignitionBoxStatus &status) const;
+    const ArduinoJson::JsonDocument toJson() const;
+
+private:
+    void filter(int32_t &old, const int32_t value, const uint32_t k);
+    void filter(float &old, const float value, const uint32_t k);
+};
+
+// Task and function declarations
+void saveHistoryTask(void *pvParameters);
+void save_history(const PSRAMVector<ignitionBoxStatus> &history, const std::filesystem::path &file_path);
--- a/RotaxMonitor/src/datastruct.h
+++ b/RotaxMonitor/src/datastruct.h
@@ -0,0 +1,90 @@
+#pragma once
+#include <Arduino.h>
+#include <map>
+
+// =====================
+// Event Flags (bitmask)
+// =====================
+static const uint32_t TRIG_FLAG_12P = (1 << 0);
+static const uint32_t TRIG_FLAG_12N = (1 << 1);
+static const uint32_t TRIG_FLAG_34P = (1 << 2);
+static const uint32_t TRIG_FLAG_34N = (1 << 3);
+
+static const uint32_t SPARK_FLAG_TIMEOUT = (1 << 8);
+static const uint32_t SPARK_FLAG_12 = (1 << 9);
+static const uint32_t SPARK_FLAG_34 = (1 << 10);
+
+// Spark Status
+enum sparkStatus
+{
+    SPARK_POS_OK,
+    SPARK_NEG_OK,
+    SPARK_POS_SKIP,
+    SPARK_NEG_SKIP,
+    SPARK_POS_WAIT,
+    SPARK_NEG_WAIT,
+    SPARK_POS_FAIL,
+    SPARK_NEG_FAIL,
+    SPARK_POS_UNEXPECTED,
+    SPARK_NEG_UNEXPECTED,
+    SPARK_SYNC_FAIL,
+};
+
+static const std::map<const sparkStatus, const char *> sparkStatusNames = {
+    {SPARK_POS_OK, "SPARK_POS_OK"},
+    {SPARK_NEG_OK, "SPARK_NEG_OK"},
+    {SPARK_POS_SKIP, "SPARK_POS_SKIP"},
+    {SPARK_NEG_SKIP, "SPARK_NEG_SKIP"},
+    {SPARK_POS_WAIT, "SPARK_POS_WAIT"},
+    {SPARK_NEG_WAIT, "SPARK_NEG_WAIT"},
+    {SPARK_POS_FAIL, "SPARK_POS_FAIL"},
+    {SPARK_NEG_FAIL, "SPARK_NEG_FAIL"},
+    {SPARK_POS_UNEXPECTED, "SPARK_POS_UNEXPECTED"},
+    {SPARK_NEG_UNEXPECTED, "SPARK_NEG_UNEXPECTED"},
+    {SPARK_SYNC_FAIL, "SPARK_SYNC_FAIL"},
+};
+
+enum softStartStatus
+{
+    NORMAL,
+    SOFT_START,
+    ERROR,
+};
+
+const std::map<const softStartStatus, const char *> softStartStatusNames = {
+    {NORMAL, "NORMAL"},
+    {SOFT_START, "SOFT_START"},
+    {ERROR, "ERROR"},
+};
+
+struct coilsStatus
+{
+    int64_t trig_time = 0;
+    int64_t spark_time = 0;
+    int32_t spark_delay = 0; // in microseconds
+    sparkStatus spark_status = sparkStatus::SPARK_POS_OK;
+    softStartStatus sstart_status = softStartStatus::NORMAL;
+    float peak_p_in = 0.0;
+    float peak_n_in = 0.0;
+    float peak_p_out = 0.0;
+    float peak_n_out = 0.0;
+    float level_spark = 0.0;
+    uint32_t n_events = 0;
+    uint32_t n_missed_firing = 0;
+};
+
+// Task internal Status
+struct ignitionBoxStatus
+{
+    int64_t timestamp = 0;
+    // coils pairs for each ignition
+    coilsStatus coils12;
+    coilsStatus coils34;
+    // voltage from generator
+    float volts_gen = 0.0;
+    // enine rpm
+    int32_t eng_rpm = 0;
+    // debug values
+    uint32_t n_queue_errors = 0;
+    int32_t adc_read_time = 0;
+};
--- a/RotaxMonitor/src/devices.h
+++ b/RotaxMonitor/src/devices.h
@@ -1,9 +1,11 @@
 #pragma once

+// Library defines
+#define ADS1256_SPI_ALREADY_STARTED
+
 // Device Libraries
 #include <ADS1256.h>
 #include <AD5292.h>
-#include <Adafruit_SSD1306.h>
 #include <PCA95x5.h>

 // ADC Channel mapping
@@ -20,7 +22,6 @@
 struct Devices {
  AD5292 *pot_a = NULL, *pot_b = NULL;
  ADS1256 *adc_a = NULL, *adc_b = NULL; 
-  Adafruit_SSD1306* lcd = NULL;
  PCA9555* io = NULL;
 };

--- a/RotaxMonitor/src/isr.cpp
+++ b/RotaxMonitor/src/isr.cpp
@@ -36,18 +36,13 @@ void trig_isr(void *arg)
        xTaskNotifyFromISR(task_handle, params->flag, eSetValueWithOverwrite, &xHigherPriorityTaskWoken);
        break;
    case SPARK_FLAG_12:
-        box->coils34.spark_ok = false;
-        box->coils12.spark_ok = true;
+
        box->coils12.spark_time = time_us;
        xTaskNotifyFromISR(task_handle, params->flag, eSetValueWithOverwrite, &xHigherPriorityTaskWoken);
-        // vTaskNotifyGiveFromISR(task_handle, &xHigherPriorityTaskWoken);
        break;
    case SPARK_FLAG_34:
-        box->coils12.spark_ok = false;
-        box->coils34.spark_ok = true;
        box->coils34.spark_time = time_us;
        xTaskNotifyFromISR(task_handle, params->flag, eSetValueWithOverwrite, &xHigherPriorityTaskWoken);
-        // vTaskNotifyGiveFromISR(task_handle, &xHigherPriorityTaskWoken);
        break;
    default:
        break;
--- a/RotaxMonitor/src/isr.h
+++ b/RotaxMonitor/src/isr.h
@@ -12,94 +12,12 @@
 #else
 #include "pins_test.h"
 #endif
+#include "datastruct.h"

 #define CORE_0 0
 #define CORE_1 1
-#define TASK_STACK 4096                          // in words
-#define TASK_PRIORITY (configMAX_PRIORITIES - 4) // highest priority after wifi tasks
-
-// =====================
-// Event Flags (bitmask)
-// =====================
-static const uint32_t TRIG_FLAG_12P = (1 << 0);
-static const uint32_t TRIG_FLAG_12N = (1 << 1);
-static const uint32_t TRIG_FLAG_34P = (1 << 2);
-static const uint32_t TRIG_FLAG_34N = (1 << 3);
-
-static const uint32_t SPARK_FLAG_NIL = (1 << 8);
-static const uint32_t SPARK_FLAG_12 = (1 << 9);
-static const uint32_t SPARK_FLAG_34 = (1 << 10);
-static const uint32_t SPARK_FLAG_TIMEOUT = (1 << 11);
-
-// Spark Status
-enum sparkStatus
-{
-    SPARK_POS_OK,
-    SPARK_NEG_OK,
-    SPARK_POS_SKIP,
-    SPARK_NEG_SKIP,
-    SPARK_POS_WAIT,
-    SPARK_NEG_WAIT,
-    SPARK_POS_FAIL,
-    SPARK_NEG_FAIL,
-    SPARK_POS_UNEXPECTED,
-    SPARK_NEG_UNEXPECTED,
-    SPARK_SYNC_FAIL,
-};
-
-static const std::map<const sparkStatus, const char *> sparkStatusNames = {
-    {SPARK_POS_OK, "SPARK_POS_OK"},
-    {SPARK_NEG_OK, "SPARK_NEG_OK"},
-    {SPARK_POS_SKIP, "SPARK_POS_SKIP"},
-    {SPARK_NEG_SKIP, "SPARK_NEG_SKIP"},
-    {SPARK_POS_WAIT, "SPARK_POS_WAIT"},
-    {SPARK_NEG_WAIT, "SPARK_NEG_WAIT"},
-    {SPARK_POS_FAIL, "SPARK_POS_FAIL"},
-    {SPARK_NEG_FAIL, "SPARK_NEG_FAIL"},
-    {SPARK_POS_UNEXPECTED, "SPARK_POS_UNEXPECTED"},
-    {SPARK_NEG_UNEXPECTED, "SPARK_NEG_UNEXPECTED"},
-    {SPARK_SYNC_FAIL, "SPARK_SYNC_FAIL"},
-};
-
-enum softStartStatus
-{
-    NORMAL,
-    SOFT_START,
-    ERROR,
-};
-
-const std::map<const softStartStatus, const char *> softStartStatusNames = {
-    {NORMAL, "NORMAL"},
-    {SOFT_START, "SOFT_START"},
-    {ERROR, "ERROR"},
-};
-
-struct coilsStatus
-{
-    int64_t trig_time = 0;
-    int64_t spark_time = 0;
-    int64_t spark_delay = 0; // in microseconds
-    sparkStatus spark_status = sparkStatus::SPARK_POS_OK;
-    softStartStatus sstart_status = softStartStatus::NORMAL;
-    float peak_p_in = 0.0, peak_n_in = 0.0;
-    float peak_p_out = 0.0, peak_n_out = 0.0;
-    float trigger_spark = 0.0;
-    bool spark_ok = false;
-    uint32_t n_events = 0;
-
-};
-
-// Task internal Status
-struct ignitionBoxStatus
-{
-    int64_t timestamp = 0;
-    // coils pairs for each ignition
-    coilsStatus coils12;
-    coilsStatus coils34;
-    // voltage from generator
-    float volts_gen = 0.0;
-    uint32_t n_queue_errors = 0;
-};
+#define RT_TASK_STACK 4096                          // in words
+#define RT_TASK_PRIORITY (configMAX_PRIORITIES - 4) // highest priority after wifi tasks

 struct isrParams
 {
--- a/RotaxMonitor/src/main.cpp
+++ b/RotaxMonitor/src/main.cpp
@@ -5,11 +5,15 @@
 #include <DebugLog.h>
 #include <DebugLogEnable.h>
 #include <SPI.h>
+#include <WiFi.h>
+#include <ArduinoJson.h>
+#include <ESPAsyncWebServer.h>
+#include <AsyncTCP.h>

 // Definitions
 #include <tasks.h>
-#include <channels.h>
 #include <devices.h>
+#include <datasave.h>
 #include <ui.h>

 // FreeRTOS directives
@@ -19,10 +23,21 @@
 // #define CH_B_ENABLE
 #define TEST

-void printTaskStats() {
-    char buffer[1024];
-    vTaskGetRunTimeStats(buffer);
-    Serial.println(buffer);
+#define WIFI_SSID "AstroRotaxMonitor"
+#define WIFI_PASSWORD "maledettirotax"
+
+void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client,
+               AwsEventType type, void *arg, uint8_t *data, size_t len)
+{
+    switch (type)
+    {
+    case WS_EVT_CONNECT:
+        Serial.printf("WS client IP[%s]-ID[%u] CONNECTED\r\n", client->remoteIP().toString().c_str(), client->id());
+        break;
+    case WS_EVT_DISCONNECT:
+        Serial.printf("WS client ID[%u] DISCONNECTED\r\n", client->remoteIP().toString().c_str(), client->id());
+        break;
+    }
 }

 void setup()
@@ -35,35 +50,64 @@ void setup()
    LOG_SET_LEVEL(DebugLogLevel::LVL_INFO);

    // Print Processor Info
-    LOG_INFO("ESP32 Chip:", ESP.getChipModel());
+    LOG_DEBUG("ESP32 Chip:", ESP.getChipModel());
    if (psramFound())
    {
-        LOG_INFO("ESP32 PSram Found");
-        LOG_INFO("ESP32 PSram:", ESP.getPsramSize());
+        LOG_DEBUG("ESP32 PSram Found");
+        LOG_DEBUG("ESP32 PSram:", ESP.getPsramSize());
        psramInit();
    }
-    LOG_INFO("ESP32 Flash:", ESP.getFlashChipSize());
-    LOG_INFO("ESP32 Heap:", ESP.getHeapSize());
-    LOG_INFO("ESP32 Sketch:", ESP.getFreeSketchSpace());
+    LOG_DEBUG("ESP32 Flash:", ESP.getFlashChipSize());
+    LOG_DEBUG("ESP32 Heap:", ESP.getHeapSize());
+    LOG_DEBUG("ESP32 Sketch:", ESP.getFreeSketchSpace());

    // Initialize Interrupt pins on PICKUP detectors
    initTriggerPinsInputs();
    // Initialize Interrupt pins on SPARK detectors
    initSparkPinInputs();
+
+    // Init Wifi station
+    LOG_INFO("Initializing WiFi...");
+    WiFi.mode(WIFI_AP);
+    IPAddress local_IP(10, 11, 12, 1);
+    IPAddress gateway(10, 11, 12, 1);
+    IPAddress subnet(255, 255, 255, 0);
+    WiFi.softAPConfig(local_IP, gateway, subnet);
+    if (WiFi.softAP(WIFI_SSID, WIFI_PASSWORD))
+    {
+        LOG_INFO("WiFi AP Mode Started");
+        LOG_INFO("Wifi SSID:", WIFI_SSID);
+        LOG_INFO("Wifi Password:", WIFI_PASSWORD);
+        LOG_INFO("WiFi IP:" + WiFi.softAPIP().toString());
+    }
+    else
+    {
+        LOG_ERROR("Failed to start WiFi AP Mode");
+        LOG_ERROR("5 seconds to restart...");
+        vTaskDelay(pdMS_TO_TICKS(5000));
+        esp_restart();
+    }
 }

 void loop()
 {
    // global variables
    bool running = true;
-    static Devices dev;
+    const uint32_t max_queue = 128;
+    const uint32_t filter_k = 10;
+    PSRAMVector<ignitionBoxStatus> ignA_history_0(max_history);
+    PSRAMVector<ignitionBoxStatus> ignA_history_1(max_history);
+    auto *active_history = &ignA_history_0;
+    auto *writable_history = &ignA_history_1;

+    // Resources Initialization
+    static Devices dev;
    // Task handle
    static TaskHandle_t trigA_TaskHandle = NULL;
    static TaskHandle_t trigB_TaskHandle = NULL;
-
-    static QueueHandle_t rt_taskA_queue = xQueueCreate(10, sizeof(ignitionBoxStatus));
-    static QueueHandle_t rt_taskB_queue = xQueueCreate(10, sizeof(ignitionBoxStatus));
+    // Data Queue for real time task to main loop communication
+    static QueueHandle_t rt_taskA_queue = xQueueCreate(max_queue, sizeof(ignitionBoxStatus));
+    static QueueHandle_t rt_taskB_queue = xQueueCreate(max_queue, sizeof(ignitionBoxStatus));
    static rtTaskParams taskA_params{
        .rt_running = true,
        .dev = &dev,
@@ -79,10 +123,10 @@ void loop()
            .spark_pin_34 = SPARK_PIN_A34},
        .rt_resets = rtTaskResets{.rst_io_12p = RST_EXT_A12P, .rst_io_12n = RST_EXT_A12N, .rst_io_34p = RST_EXT_A34P, .rst_io_34n = RST_EXT_A34N}};

-    LOG_INFO("Task Variables OK");
+    LOG_DEBUG("Task Variables OK");

 #ifdef CH_B_ENABLE
-    QueueHandle_t rt_taskB_queue = xQueueCreate(10, sizeof(ignitionBoxStatus));
+    QueueHandle_t rt_taskB_queue = xQueueCreate(max_queue, sizeof(ignitionBoxStatus));
    rtTaskParams taskB_params{
        .rt_running = true,
        .dev = &dev,
@@ -99,17 +143,18 @@ void loop()
        .rt_resets = rtTaskResets{.rst_io_12p = RST_EXT_B12P, .rst_io_12n = RST_EXT_B12N, .rst_io_34p = RST_EXT_B34P, .rst_io_34n = RST_EXT_B34N}};
 #endif

+    // Spi ok flags
    bool spiA_ok = true;
    bool spiB_ok = true;
-
-#ifndef TEST
    // Init 2 SPI interfaces
    SPIClass SPI_A(FSPI);
    spiA_ok = SPI_A.begin(SPI_A_SCK, SPI_A_MISO, SPI_A_MOSI);
+    SPI_A.setDataMode(SPI_MODE1); // ADS1256 requires SPI mode 1
+#ifndef TEST
    SPIClass SPI_B(HSPI);
    spiB_ok = SPI_B.begin(SPI_B_SCK, SPI_B_MISO, SPI_B_MOSI);
+    SPI_B.setDataMode(SPI_MODE1); // ADS1256 requires SPI mode 1
 #endif
-
    if (!spiA_ok || !spiB_ok)
    {
        LOG_ERROR("Unable to Initialize SPI Busses");
@@ -117,15 +162,15 @@ void loop()
        vTaskDelay(pdMS_TO_TICKS(5000));
        esp_restart();
    }
-    LOG_INFO("Init SPI OK");
+    LOG_DEBUG("Init SPI OK");

-#ifndef TEST
    // Init ADC_A
-    dev.adc_a = new ADS1256(ADC_A_DRDY, ADC_A_RST, ADC_A_SYNC, ADC_A_CS, 2.5, &SPI_A);
+    dev.adc_a = new ADS1256(ADC_A_DRDY, ADS1256::PIN_UNUSED, ADC_A_SYNC, ADC_A_CS, 2.5, &SPI_A);
    dev.adc_a->InitializeADC();
    dev.adc_a->setPGA(PGA_1);
-    dev.adc_a->setDRATE(DRATE_1000SPS);
+    dev.adc_a->setDRATE(DRATE_7500SPS);

+#ifndef TEST
    // Init ADC_B
    dev.adc_a = new ADS1256(ADC_B_DRDY, ADC_B_RST, ADC_B_SYNC, ADC_B_CS, 2.5, &SPI_B);
    dev.adc_a->InitializeADC();
@@ -133,16 +178,16 @@ void loop()
    dev.adc_a->setDRATE(DRATE_1000SPS);
 #endif

-    LOG_INFO("Init ADC OK");
+    LOG_DEBUG("Init ADC OK");

    // Ignition A on Core 0
    auto ignA_task_success = pdPASS;
    ignA_task_success = xTaskCreatePinnedToCore(
        rtIgnitionTask,
        "rtIgnitionTask_boxA",
-        TASK_STACK,
+        RT_TASK_STACK,
        (void *)&taskA_params,
-        TASK_PRIORITY,
+        RT_TASK_PRIORITY,
        &trigA_TaskHandle,
        CORE_0);

@@ -152,75 +197,89 @@ void loop()
    ignB_task_success = xTaskCreatePinnedToCore(
        rtIgnitionTask,
        "rtIgnitionTask_boxB",
-        TASK_STACK,
+        RT_TASK_STACK,
        (void *)&taskB_params,
-        TASK_PRIORITY, // priorità leggermente più alta
+        RT_TASK_PRIORITY, // priorità leggermente più alta
        &trigB_TaskHandle,
        CORE_1);
 #endif

    if ((ignA_task_success && ignB_task_success) != pdPASS)
    {
-        LOG_ERROR("Unble to initialize ISR task");
+        LOG_ERROR("Una  ble to initialize ISR task");
        LOG_ERROR("5 seconds to restart...");
        vTaskDelay(pdMS_TO_TICKS(5000));
        esp_restart();
    }

-    LOG_INFO("Real Time Tasks A & B initialized");
+    LOG_DEBUG("Real Time Tasks A & B initialized");

    ////////////////////// MAIN LOOP //////////////////////
-    clearScreen();
-    setCursor(0, 0);
-    ignitionBoxStatus ignA;
+    bool partial_save = false; // flag to indicate if a partial save has been done after a timeout
+    uint32_t counter = 0;
+    uint32_t wait_count = 0;
+    ignitionBoxStatus ign_info;
    int64_t last = esp_timer_get_time();
    uint32_t missed_firings12 = 0;
    uint32_t missed_firings34 = 0;
-    uint32_t counter = 0;
+    ignitionBoxStatusAverage ignA_avg(filter_k); // moving average calculator for ignition box A with a window of 100 samples
+
+    AsyncWebServer server(80);
+    AsyncWebSocket ws("/ws");
+    ws.onEvent(onWsEvent);
+    server.addHandler(&ws);
+
+    auto spiffs_guard = LITTLEFSGuard(); // use RAII guard to ensure SPIFFS is properly mounted and unmounted
+    server.serveStatic("/", LittleFS, "/").setDefaultFile("index.html");
+    server.begin();
+
+    server.on("/", HTTP_GET, [](AsyncWebServerRequest *request)
+              { request->send(200, "text/html", htmlTest.c_str()); });

    while (running)
    {
-        if (xQueueReceive(rt_taskA_queue, &ignA, pdMS_TO_TICKS(1000)) == pdTRUE)
+        if (counter >= active_history->size()) // not concurrent with write task
        {
-            if (ignA.coils12.spark_status == sparkStatus::SPARK_NEG_FAIL || ignA.coils12.spark_status == sparkStatus::SPARK_POS_FAIL)
-                missed_firings12++;
-            if (ignA.coils34.spark_status == sparkStatus::SPARK_POS_FAIL || ignA.coils34.spark_status == sparkStatus::SPARK_NEG_FAIL)
-                missed_firings34++; 
-            clearScreen();
-            setCursor(0, 0);
-            printField("++ Timestamp", (uint32_t)ignA.timestamp, 0, 0);
-            Serial.println("========== Coils 12 =============");
-            printField("Events", (uint32_t)ignA.coils12.n_events, 0, 1);
-            printField("Missed Firing", missed_firings12, 0, 2);
-            printField("Spark Dly", (uint32_t)ignA.coils12.spark_delay, 0, 3);
-            printField("Spark Sts", sparkStatusNames.at(ignA.coils12.spark_status), 0, 4);
-            // printField("Peak P_IN", ignA.coils12.peak_p_in, 0, 5);
-            // printField("Peak P_OUT", ignA.coils12.peak_p_out, 0, 6);
-            // printField("Peak N_IN", ignA.coils12.peak_n_in, 0, 7);
-            // printField("Peak N_OUT", ignA.coils12.peak_n_out, 0, 8);
-            printField("Soft Start ", softStartStatusNames.at(ignA.coils12.sstart_status), 0, 9);
+            counter = 0;
+            partial_save = false; // reset partial save flag on new data cycle
+            auto *temp = active_history;
+            active_history = writable_history; // switch active and writable buffers
+            writable_history = temp;           // ensure writable_history points to the buffer we just filled
+            dataSaveParams save_params{
+                .history = writable_history,
+                .file_path = "ignition_history.csv"};
+            save_history(*writable_history, "ignition_history.csv"); // directly call the save task function to save without delay
+        }

-            Serial.println("========== Coils 34 =============");
-            printField("Events", (uint32_t)ignA.coils34.n_events, 0, 11);
-            printField("Missed Firing", missed_firings34, 0, 12);
-            printField("Spark Dly", (uint32_t)ignA.coils34.spark_delay, 0, 13);
-            printField("Spark Sts", sparkStatusNames.at(ignA.coils34.spark_status), 0, 14);
-            // printField("Peak P_IN", ignA.coils34.peak_p_in, 0, 15);
-            // printField("Peak P_OUT", ignA.coils34.peak_p_out, 0, 16);
-            // printField("Peak N_IN", ignA.coils34.peak_n_in, 0, 17);
-            // printField("Peak N_OUT", ignA.coils34.peak_n_out, 0, 18);
-            printField("Soft Start ", softStartStatusNames.at(ignA.coils34.sstart_status), 0, 19);
-
-            Serial.println("========== END =============");
-            Serial.println();
-            auto delta = (esp_timer_get_time() - last) / 1000000.0f; //in seconds
-            delta = delta > 0 ? 1.0f / delta : 0; // Calculate frequency (Hz)
-            printField("Frequency (Hz)", delta, 0, 21);
-            printField("Queue Errors", (uint32_t)ignA.n_queue_errors, 0, 22);
-            last = esp_timer_get_time();
-        } else
+        if (xQueueReceive(rt_taskA_queue, &ign_info, pdMS_TO_TICKS(1000)) == pdTRUE)
        {
-            Serial.println("Waiting for data... ");;
+            // printInfo(ign_info);
+            auto &hist = *active_history;
+            hist[counter++ % active_history->size()] = ign_info;
+            ignA_avg.update(ign_info); // update moving average with latest ignition status
+            Serial.print("Data Received: " + String(counter) + "/" + String(hist.size()) + '\r');
+
+            if (ws.count() > 0 && counter % 10 == 0) // send data every 10 samples
+            {
+                Serial.println();
+                LOG_INFO("Sending average ignition status to websocket clients...");
+                auto msg = ignA_avg.toJson().as<String>();
+                ws.textAll(msg);
+            }
+        }
+        else
+        {
+            Serial.printf("[%d] Waiting for data...\r", wait_count++);
+            if (!partial_save && counter > 0) // if timeout occurs but we have unsaved data, save it before next timeout
+            {
+                active_history->resize(counter); // resize active history to actual number of records received to avoid saving empty records
+                save_history(*active_history, "ignition_history.csv");
+                active_history->resize(max_history); // resize back to max history size for next data cycle
+                counter = 0;                         // reset counter after saving
+                partial_save = true;
+                first_save = true;
+            }
+            delay(500);
        }
    }

--- a/RotaxMonitor/src/pins.h
+++ b/RotaxMonitor/src/pins.h
@@ -48,19 +48,17 @@
 // =====================
 #define ADC_A_CS     4
 #define ADC_A_DRDY   5
-#define ADC_A_RST    6
-#define ADC_A_SYNC   7
+#define ADC_A_SYNC   6

 #define ADC_B_CS     14
 #define ADC_B_DRDY   15
-#define ADC_B_RST    16
-#define ADC_B_SYNC   17
+#define ADC_B_SYNC   16

 // =====================
 // DIGITAL POT
 // =====================
-//#define POT_A_CS    1
-//#define POT_B_CS    2
+#define POT_A_CS    7
+#define POT_B_CS    17

 // =====================
 // TRIGGER INPUT INTERRUPTS
--- a/RotaxMonitor/src/psvector.h
+++ b/RotaxMonitor/src/psvector.h
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <vector>
+#include "esp_heap_caps.h"
+
+// Allocator custom per PSRAM
+template <typename T>
+struct PSRAMAllocator {
+    using value_type = T;
+
+    PSRAMAllocator() noexcept {}
+
+    template <typename U>
+    PSRAMAllocator(const PSRAMAllocator<U>&) noexcept {}
+
+    T* allocate(std::size_t n) {
+        void* ptr = heap_caps_malloc(n * sizeof(T), MALLOC_CAP_SPIRAM);
+        if (!ptr) {
+            throw std::bad_alloc();
+        }
+        return static_cast<T*>(ptr);
+    }
+
+    void deallocate(T* p, std::size_t) noexcept {
+        heap_caps_free(p);
+    }
+};
+
+template <typename T>
+using PSRAMVector = std::vector<T, PSRAMAllocator<T>>;
--- a/RotaxMonitor/src/tasks.cpp
+++ b/RotaxMonitor/src/tasks.cpp
@@ -2,7 +2,8 @@
 #include <esp_timer.h>

 // Timeout callback for microsecond precision
-void spark_timeout_callback(void* arg) {
+void spark_timeout_callback(void *arg)
+{
    TaskHandle_t handle = (TaskHandle_t)arg;
    xTaskNotify(handle, SPARK_FLAG_TIMEOUT, eSetValueWithOverwrite);
 }
@@ -55,17 +56,16 @@ void rtIgnitionTask(void *pvParameters)
        .flag = SPARK_FLAG_34,
        .ign_stat = &ign_box_sts,
        .rt_handle_ptr = rt_handle_ptr};
-        
+
    LOG_INFO("rtTask ISR Params OK");

    // Create esp_timer for microsecond precision timeout
    esp_timer_handle_t timeout_timer;
    esp_timer_create_args_t timer_args = {
        .callback = spark_timeout_callback,
-        .arg = (void*)rt_handle_ptr,
+        .arg = (void *)rt_handle_ptr,
        .dispatch_method = ESP_TIMER_TASK,
-        .name = "spark_timeout"
-    };
+        .name = "spark_timeout"};
    esp_timer_create(&timer_args, &timeout_timer);

    // Attach Pin Interrupts
@@ -89,6 +89,8 @@ void rtIgnitionTask(void *pvParameters)
    bool first_cycle = true;
    bool cycle12 = false;
    bool cycle34 = false;
+    int64_t last_cycle_time = 0;
+    uint32_t n_errors = 0;

    while (params->rt_running)
    {
@@ -101,11 +103,9 @@ void rtIgnitionTask(void *pvParameters)
            ULONG_MAX,    // pulisci i primi 8 bit
            &pickup_flag, // valore ricevuto
            portMAX_DELAY);
-        
+
        if (first_cycle && pickup_flag != TRIG_FLAG_12P) // skip first cycle because of possible initial noise on pickup signals at startu
-        {
            continue;
-        }

 #ifdef DEBUG
        Serial.print("\033[2J"); // clear screen
@@ -128,45 +128,37 @@ void rtIgnitionTask(void *pvParameters)
        esp_timer_stop(timeout_timer); // stop timer in case it was running from previous cycle
        esp_timer_start_once(timeout_timer, spark_timeout_max);

-        spark_flag = SPARK_FLAG_NIL; // default value in case of timeout, to be set by ISR if spark event occours
        // WAIT FOR SPARK TO HAPPEN OR TIMEOUT
-        BaseType_t sp = pdFALSE;
-        sp = xTaskNotifyWait(
-            0x00,         // non pulire all'ingresso
-            ULONG_MAX,    // pulisci i primi 8 bit
-            &spark_flag, // valore ricevuto
+        xTaskNotifyWait(
+            0x00,           // non pulire all'ingresso
+            ULONG_MAX,      // pulisci i primi 8 bit
+            &spark_flag,    // valore ricevuto
            portMAX_DELAY); // wait indefinitely, timeout handled by esp_timer

        // Handle timeout or spark event
-        if (spark_flag == SPARK_FLAG_TIMEOUT) {
-            spark_flag = SPARK_FLAG_NIL;
-        } else {
-            // Spark occurred, stop the timer
+        if (spark_flag != SPARK_FLAG_TIMEOUT)
            esp_timer_stop(timeout_timer);
-        }
-
-#ifdef DEBUG
-        // LOG_INFO("Spark Flags: ", printBits(spark_flag).c_str());
-        LOG_INFO("Spark12:", ign_box_sts.coils12.spark_ok ? "TRUE" : "FALSE");
-        LOG_INFO("Spark34:", ign_box_sts.coils34.spark_ok ? "TRUE" : "FALSE");
-        if (names.contains(spark_flag))
-            LOG_INFO("Spark Trigger:", names.at(spark_flag));
-#endif
-        xTaskNotifyStateClear(NULL);
-        ulTaskNotifyValueClear(NULL, 0xFFFFFFFF);

        // A trigger from pickup 12 is followed by a spark event on 34 or vice versa pickup 34 triggers spark on 12
-        if ((pickup_flag == TRIG_FLAG_12P || pickup_flag == TRIG_FLAG_12N) && (spark_flag != SPARK_FLAG_12 && spark_flag != SPARK_FLAG_NIL))
+        if ((pickup_flag == TRIG_FLAG_12P || pickup_flag == TRIG_FLAG_12N) && (spark_flag != SPARK_FLAG_12 && spark_flag != SPARK_FLAG_TIMEOUT))
        {
            ign_box_sts.coils12.spark_status = ign_box_sts.coils34.spark_status = sparkStatus::SPARK_SYNC_FAIL;
            continue;
        }

+        // Select coil status reference based on pickup_flag
        coilsStatus *coils;
        switch (pickup_flag)
        {
        case TRIG_FLAG_12P:
+        {
            first_cycle = false;
+            // compute engine rpm from cycle time
+            auto current_time = esp_timer_get_time();
+            auto cycle_time = current_time - last_cycle_time;
+            last_cycle_time = current_time;
+            ign_box_sts.eng_rpm = (int32_t)(60.0f / (cycle_time / 1000000.0f));
+        }
        case TRIG_FLAG_12N:
            coils = &ign_box_sts.coils12;
            break;
@@ -176,24 +168,21 @@ void rtIgnitionTask(void *pvParameters)
            break;
        }

+        // Select logic based on pickup and spark flags
        switch (pickup_flag)
        {
        case TRIG_FLAG_12P:
        case TRIG_FLAG_34P:
        {
            // Timeout not occourred, expected POSITIVE edge spark OCCOURRED
-            if (spark_flag != SPARK_FLAG_NIL)
+            if (spark_flag != SPARK_FLAG_TIMEOUT)
            {
-                coils->spark_delay = coils->spark_time - coils->trig_time;
+                coils->spark_delay = (int32_t)(coils->spark_time - coils->trig_time);
                coils->sstart_status = softStartStatus::NORMAL;  // because spark on positive edge
                coils->spark_status = sparkStatus::SPARK_POS_OK; // do not wait for spark on negative edge
-#ifdef DEBUG
-                LOG_INFO("Spark on POSITIVE pulse");
-                LOG_INFO("Spark Delay Time: ", (int32_t)coils->spark_delay);
-#endif
            }
            // Timeout occourred, expected POSITIVE edge spark NOT OCCOURRED
-            else if (spark_flag == SPARK_FLAG_NIL)
+            else if (spark_flag == SPARK_FLAG_TIMEOUT)
            {
                coils->spark_status = sparkStatus::SPARK_NEG_WAIT;
                coils->sstart_status = softStartStatus::NORMAL;
@@ -206,24 +195,20 @@ void rtIgnitionTask(void *pvParameters)
        {
            const bool expected_negative = coils->spark_status == sparkStatus::SPARK_NEG_WAIT;
            // Timeout not occourred, expected NEGATIVE edge spark OCCOURRED
-            if (spark_flag != SPARK_FLAG_NIL && expected_negative)
+            if (spark_flag != SPARK_FLAG_TIMEOUT && expected_negative)
            {
-                coils->spark_delay = coils->spark_time - coils->trig_time;
+                coils->spark_delay = (int32_t)(coils->spark_time - coils->trig_time);
                coils->sstart_status = softStartStatus::SOFT_START;
                coils->spark_status = sparkStatus::SPARK_NEG_OK;
-#ifdef DEBUG
-                LOG_INFO("Spark on NEGATIVE pulse");
-                LOG_INFO("Spark Delay Time: ", (int32_t)coils->spark_delay);
-#endif
            }
            // Timeout occourred, expected POSITIVE edge spark NOT OCCOURRED
-            else if (spark_flag == SPARK_FLAG_NIL && expected_negative)
+            else if (spark_flag == SPARK_FLAG_TIMEOUT && expected_negative)
            {
                coils->sstart_status = softStartStatus::ERROR;
                coils->spark_status = sparkStatus::SPARK_NEG_FAIL;
            }
            // Timeout not occouured, unexpected negative edge spark
-            else if (spark_flag != SPARK_FLAG_NIL && !expected_negative)
+            else if (spark_flag != SPARK_FLAG_TIMEOUT && !expected_negative)
            {
                coils->sstart_status = softStartStatus::SOFT_START;
                coils->spark_status = sparkStatus::SPARK_NEG_UNEXPECTED;
@@ -237,11 +222,6 @@ void rtIgnitionTask(void *pvParameters)
            break;
        }
        default:
-#ifdef DEUG
-            LOG_ERROR("Invalid Interrupt");
-            LOG_ERROR("Pickup Flags: ", printBits(pickup_flag).c_str());
-            LOG_ERROR("Spark Flags: ", printBits(spark_flag).c_str());
-#endif
            break;
        }

@@ -249,10 +229,16 @@ void rtIgnitionTask(void *pvParameters)
        {
            cycle12 = false;
            cycle34 = false;
-            // vTaskDelay(pdMS_TO_TICKS(1)); // delay 1ms to allow peak detectors to charge for negative cycle
+
+            if (ign_box_sts.coils12.spark_status == sparkStatus::SPARK_POS_FAIL || ign_box_sts.coils12.spark_status == sparkStatus::SPARK_NEG_FAIL)
+                ign_box_sts.coils12.n_missed_firing++;
+            if (ign_box_sts.coils34.spark_status == sparkStatus::SPARK_POS_FAIL || ign_box_sts.coils34.spark_status == sparkStatus::SPARK_NEG_FAIL)
+                ign_box_sts.coils34.n_missed_firing++;
+
            //  read adc channels: pickup12, out12 [ pos + neg ]
            if (adc) // read only if adc initialized
            {
+                uint32_t start_adc_read = esp_timer_get_time();
                // from peak detector circuits
                ign_box_sts.coils12.peak_p_in = adcReadChannel(adc, ADC_CH_PEAK_12P_IN);
                ign_box_sts.coils12.peak_n_in = adcReadChannel(adc, ADC_CH_PEAK_12N_IN);
@@ -262,6 +248,7 @@ void rtIgnitionTask(void *pvParameters)
                ign_box_sts.coils12.peak_n_out = adcReadChannel(adc, ADC_CH_PEAK_12N_OUT);
                ign_box_sts.coils34.peak_p_out = adcReadChannel(adc, ADC_CH_PEAK_34P_OUT);
                ign_box_sts.coils34.peak_n_out = adcReadChannel(adc, ADC_CH_PEAK_34N_OUT);
+                ign_box_sts.adc_read_time = (int32_t)(esp_timer_get_time() - start_adc_read);
            }
            else // simulate adc read timig
                vTaskDelay(pdMS_TO_TICKS(1));
@@ -282,10 +269,7 @@ void rtIgnitionTask(void *pvParameters)
            if (rt_queue)
                ign_box_sts.timestamp = esp_timer_get_time(); // update data timestamp
            if (xQueueSendToBack(rt_queue, (void *)&ign_box_sts, 0) != pdPASS)
-            {
-                ign_box_sts.n_queue_errors++;
-                LOG_ERROR("Failed to send to rt_queue");
-            }
+                ign_box_sts.n_queue_errors = ++n_errors;
        }
    }
    // Delete the timeout timer
--- a/RotaxMonitor/src/ui.cpp
+++ b/RotaxMonitor/src/ui.cpp
@@ -0,0 +1,73 @@
+#include <ui.h>
+
+void clearScreen()
+{
+    Serial.print("\033[2J"); // clear screen
+    Serial.print("\033[H");  // cursor home
+    Serial.flush();
+}
+
+void setCursor(const uint8_t x, const uint8_t y)
+{
+    Serial.printf("\033[%d;%d", y, x + 1);
+    Serial.flush();
+}
+
+void printField(const char name[], const uint32_t val)
+{
+    Serial.printf("%15s: %06u\n", name, val);
+}
+
+void printField(const char name[], const int32_t val)
+{
+    Serial.printf("%15s: %06d\n", name, val);
+}
+
+void printField(const char name[], const int64_t val)
+{
+    Serial.printf("%15s: %06u\n", name, (uint64_t)val);
+}
+
+void printField(const char name[], const float val)
+{
+    Serial.printf("%15s: %4.2f\n", name, val);
+}
+
+void printField(const char name[], const char *val)
+{
+    Serial.printf("%15s: %s\n", name, val);
+}
+
+void printInfo(const ignitionBoxStatus &info)
+{
+    clearScreen();
+    setCursor(0, 0);
+    printField("++ Timestamp ++", (uint32_t)info.timestamp);
+    Serial.println("========== Coils 12 =============");
+    printField("Events", info.coils12.n_events);
+    printField("Events Missed", info.coils12.n_missed_firing);
+    printField("Spark Dly", (uint32_t)info.coils12.spark_delay);
+    printField("Spark Sts", sparkStatusNames.at(info.coils12.spark_status));
+    printField("Peak P_IN", info.coils12.peak_p_in);
+    printField("Peak N_IN", info.coils12.peak_n_in);
+    printField("Peak P_OUT", info.coils12.peak_p_out);
+    printField("Peak N_OUT", info.coils12.peak_n_out);
+    printField("Soft Start ", softStartStatusNames.at(info.coils12.sstart_status));
+
+    Serial.println("========== Coils 34 =============");
+    printField("Events", info.coils34.n_events);
+    printField("Events Missed", info.coils34.n_missed_firing);
+    printField("Spark Dly", (uint32_t)info.coils34.spark_delay);
+    printField("Spark Sts", sparkStatusNames.at(info.coils34.spark_status));
+    printField("Peak P_IN", info.coils34.peak_p_in);
+    printField("Peak N_IN", info.coils34.peak_n_in);
+    printField("Peak P_OUT", info.coils34.peak_p_out);
+    printField("Peak N_OUT", info.coils34.peak_n_out);
+    printField("Soft Start ", softStartStatusNames.at(info.coils34.sstart_status));
+
+    Serial.println("============ END ===============");
+    Serial.println();
+    printField("Engine RPM", info.eng_rpm);
+    printField("ADC Read Time", info.adc_read_time);
+    printField("Queue Errors", info.n_queue_errors);
+}
--- a/RotaxMonitor/src/ui.h
+++ b/RotaxMonitor/src/ui.h
@@ -1,59 +1,204 @@
 #pragma once

 #include <Arduino.h>
+#include <datastruct.h>
+#include <string>

-static bool firstRun = true;
+void clearScreen();
+void setCursor(const uint8_t x, const uint8_t y);
+void printField(const char name[], const uint32_t val);
+void printField(const char name[], const int32_t val);
+void printField(const char name[], const int64_t val);
+void printField(const char name[], const float val);
+void printField(const char name[], const char *val);

-void clearScreen(){
-    Serial.print("\033[2J"); // clear screen
-    Serial.print("\033[H");  // cursor home
-    Serial.flush();
-}
+void printInfo(const ignitionBoxStatus &info);

-void setCursor(const uint8_t x, const uint8_t y) {
-    Serial.printf("\033[%d;%d", y, x+1);
-    Serial.flush();
-}
+static const std::string htmlTest = R"rawliteral(
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <title>ESP32 Dashboard</title>
+    <style>
+        body {
+            font-family: Arial;
+            text-align: center;
+            margin-top: 40px;
+        }

-void printField(const char name[], const uint32_t val, const uint8_t x, const uint8_t y) {
-    if (firstRun) {
-        setCursor(x,y);
-        Serial.printf("%15s: %06d\n", name, val);
-        return;
-    }
-    setCursor(x+16, y);
-    Serial.print(val);
-}
+        table {
+            margin: auto;
+            border-collapse: collapse;
+            width: 100%;
+            max-width: 900px;
+        }

-void printField(const char name[], const int64_t val, const uint8_t x, const uint8_t y) {
-    if (firstRun) {
-        setCursor(x,y);
-        Serial.printf("%15s: %06u\n", name, (uint64_t)val);
-        return;
-    }
-    setCursor(x+16, y);
-    Serial.print((uint64_t)val);
-    Serial.flush();
-}
+        th, td {
+            border: 1px solid #ccc;
+            padding: 10px;
+            font-size: 16px;
+            text-align: left;
+        }

-void printField(const char name[], const float val, const uint8_t x, const uint8_t y) {
-    if (firstRun) {
-        setCursor(x,y);
-        Serial.printf("%15s: %4.2f\n", name, val);
-        return;
-    }
-    setCursor(x+16, y);
-    Serial.print(val);
-    Serial.flush();
-}
+        th {
+            background-color: #f4f4f4;
+        }

-void printField(const char name[], const char *val, const uint8_t x, const uint8_t y) {
-    if (firstRun) {
-        setCursor(x,y);
-        Serial.printf("%15s: %s\n", name, val);
-        return;
-    }
-    setCursor(x+16, y);
-    Serial.print(val);
-    Serial.flush();
-}
+        button {
+            margin: 10px;
+            padding: 10px 20px;
+            font-size: 16px;
+        }
+    </style>
+</head>
+<body>
+
+    <h2>RotaxMonitor realtime data</h2>
+
+    <button onclick="start()">Start</button>
+    <button onclick="stop()">Stop</button>
+
+    <div style="max-width: 900px; margin: 0 auto; text-align: left;">
+        <p><strong>Timestamp:</strong> <span id="timestamp">-</span></p>
+        <p><strong>Data Valid:</strong> <span id="datavalid">-</span></p>
+        <p><strong>Generator voltage:</strong> <span id="volts_gen">-</span></p>
+        <p><strong>Engine RPM:</strong> <span id="eng_rpm">-</span></p>
+        <p><strong>ADC read time:</strong> <span id="adc_read_time">-</span></p>
+        <p><strong>Queue errors:</strong> <span id="n_queue_errors">-</span></p>
+
+        <table>
+            <thead>
+                <tr>
+                    <th>Property</th>
+                    <th>Coils 12</th>
+                    <th>Coils 34</th>
+                </tr>
+            </thead>
+            <tbody>
+                <tr>
+                    <td>Spark delay</td>
+                    <td id="coils12_spark_delay">-</td>
+                    <td id="coils34_spark_delay">-</td>
+                </tr>
+                <tr>
+                    <td>Spark status</td>
+                    <td id="coils12_spark_status">-</td>
+                    <td id="coils34_spark_status">-</td>
+                </tr>
+                <tr>
+                    <td>Soft start status</td>
+                    <td id="coils12_sstart_status">-</td>
+                    <td id="coils34_sstart_status">-</td>
+                </tr>
+                <tr>
+                    <td>Peak P in</td>
+                    <td id="coils12_peak_p_in">-</td>
+                    <td id="coils34_peak_p_in">-</td>
+                </tr>
+                <tr>
+                    <td>Peak N in</td>
+                    <td id="coils12_peak_n_in">-</td>
+                    <td id="coils34_peak_n_in">-</td>
+                </tr>
+                <tr>
+                    <td>Peak P out</td>
+                    <td id="coils12_peak_p_out">-</td>
+                    <td id="coils34_peak_p_out">-</td>
+                </tr>
+                <tr>
+                    <td>Peak N out</td>
+                    <td id="coils12_peak_n_out">-</td>
+                    <td id="coils34_peak_n_out">-</td>
+                </tr>
+                <tr>
+                    <td>Level spark</td>
+                    <td id="coils12_level_spark">-</td>
+                    <td id="coils34_level_spark">-</td>
+                </tr>
+                <tr>
+                    <td>Events</td>
+                    <td id="coils12_n_events">-</td>
+                    <td id="coils34_n_events">-</td>
+                </tr>
+                <tr>
+                    <td>Missed firings</td>
+                    <td id="coils12_n_missed_firing">-</td>
+                    <td id="coils34_n_missed_firing">-</td>
+                </tr>
+            </tbody>
+        </table>
+    </div>
+
+    <script>
+        let ws;
+
+        function connectWS() {
+            ws = new WebSocket("ws://" + location.host + "/ws");
+
+            ws.onopen = () => {
+                console.log("WebSocket connesso");
+            };
+
+            ws.onclose = () => {
+                console.log("WebSocket disconnesso, retry...");
+                setTimeout(connectWS, 5000);
+            };
+
+            ws.onmessage = (event) => {
+                let data;
+
+                try {
+                    data = JSON.parse(event.data);
+                } catch (e) {
+                    console.error("Invalid JSON received", e);
+                    return;
+                }
+
+                document.getElementById("datavalid").textContent = data.datavalid ?? "-";
+                document.getElementById("timestamp").textContent = data.timestamp ?? "-";
+                document.getElementById("volts_gen").textContent = data.volts_gen ?? "-";
+                document.getElementById("eng_rpm").textContent = data.eng_rpm ?? "-";
+                document.getElementById("adc_read_time").textContent = data.adc_read_time ?? "-";
+                document.getElementById("n_queue_errors").textContent = data.n_queue_errors ?? "-";
+
+                const coils12 = data.coils12 || {};
+                const coils34 = data.coils34 || {};
+
+                document.getElementById("coils12_spark_delay").textContent = coils12.spark_delay ?? "-";
+                document.getElementById("coils34_spark_delay").textContent = coils34.spark_delay ?? "-";
+                document.getElementById("coils12_spark_status").textContent = coils12.spark_status ?? "-";
+                document.getElementById("coils34_spark_status").textContent = coils34.spark_status ?? "-";
+                document.getElementById("coils12_sstart_status").textContent = coils12.sstart_status ?? "-";
+                document.getElementById("coils34_sstart_status").textContent = coils34.sstart_status ?? "-";
+                document.getElementById("coils12_peak_p_in").textContent = coils12.peak_p_in ?? "-";
+                document.getElementById("coils34_peak_p_in").textContent = coils34.peak_p_in ?? "-";
+                document.getElementById("coils12_peak_n_in").textContent = coils12.peak_n_in ?? "-";
+                document.getElementById("coils34_peak_n_in").textContent = coils34.peak_n_in ?? "-";
+                document.getElementById("coils12_peak_p_out").textContent = coils12.peak_p_out ?? "-";
+                document.getElementById("coils34_peak_p_out").textContent = coils34.peak_p_out ?? "-";
+                document.getElementById("coils12_peak_n_out").textContent = coils12.peak_n_out ?? "-";
+                document.getElementById("coils34_peak_n_out").textContent = coils34.peak_n_out ?? "-";
+                document.getElementById("coils12_level_spark").textContent = coils12.level_spark ?? "-";
+                document.getElementById("coils34_level_spark").textContent = coils34.level_spark ?? "-";
+                document.getElementById("coils12_n_events").textContent = coils12.n_events ?? "-";
+                document.getElementById("coils34_n_events").textContent = coils34.n_events ?? "-";
+                document.getElementById("coils12_n_missed_firing").textContent = coils12.n_missed_firing ?? "-";
+                document.getElementById("coils34_n_missed_firing").textContent = coils34.n_missed_firing ?? "-";
+            };
+        }
+
+        function start() {
+            fetch("/start");
+        }
+
+        function stop() {
+            fetch("/stop");
+        }
+
+        connectWS();
+    </script>
+
+</body>
+</html>
+)rawliteral";
--- a/RotaxMonitorTester/platformio.ini
+++ b/RotaxMonitorTester/platformio.ini
@@ -16,7 +16,7 @@ lib_deps =
 	hideakitai/DebugLog@^0.8.4
 board_build.flash_size = 4MB
 board_build.partitions = default.csv
-monitor_speed = 115200
+monitor_speed = 921600
 build_type = release

 [env:esp32-devtest-debug]
@@ -27,7 +27,7 @@ lib_deps =
 	hideakitai/DebugLog@^0.8.4
 board_build.flash_size = 4MB
 board_build.partitions = default.csv
-monitor_speed = 115200
+monitor_speed = 921600
 build_type = debug
 build_flags = 
 	-O0
--- a/RotaxMonitorTester/src/main.cpp
+++ b/RotaxMonitorTester/src/main.cpp
@@ -18,13 +18,16 @@ static uint32_t count = 0;
 #define PAUSE_LONG_MIN 5000
 #define PAUSE_LONG_MAX PAUSE_LONG_MIN*100

+#define RPM_MIN 800
+#define RPM_MAX 5500
+
 void clearScreen(){
    Serial.print("\033[2J"); // clear screen
    Serial.print("\033[H");  // cursor home
    Serial.flush();
 }

-static double filtered = 0;
+static double filtered_rpm = 0;

 static const std::map<const uint32_t, const char *> pin2Name = {
    {PIN_TRIG_A12P, "HIGH_PIN_TRIG_A12P"},
@@ -51,10 +54,12 @@ static timerStatus stsA = {
      .spark_delay_us = 50,
      .main_task = NULL};

+static bool isEnabled = false;
+
 void setup()
 {

-  Serial.begin(115200);
+  Serial.begin(921600);
  delay(1000);
  LOG_ATTACH_SERIAL(Serial);

@@ -73,9 +78,14 @@ void setup()
  pinMode(SPARK_B34, OUTPUT);

  pinMode(SPARK_DELAY_POT, ANALOG);
+  pinMode(FREQ_POT, ANALOG);
+
+  pinMode(ENABLE_PIN, INPUT_PULLUP);
+
  stsA.main_task = xTaskGetCurrentTaskHandleForCore(1);

  timerA = timerBegin(FREQUENCY);
+  timerStop(timerA);
  timerAttachInterruptArg(timerA, &onTimer, (void *)&stsA);
  timerAlarm(timerA, 1, true, 0);

@@ -94,14 +104,28 @@ void loop()
    stsA.soft_start = false;
  }

-  double new_val = (float)(map(analogRead(FREQ_POT), 0, 4096, PAUSE_LONG_MIN, PAUSE_LONG_MAX));
-  filtered = filtered + 0.1 * (new_val - filtered);
-  stsA.pause_long_us = (uint32_t)filtered;
+  double new_rpm = (double)(map(analogRead(FREQ_POT), 0, 4096, RPM_MIN, RPM_MAX));
+  filtered_rpm = filtered_rpm + 0.1 * (new_rpm - filtered_rpm);
+  stsA.pause_long_us = (uint32_t)(60000000.0f / filtered_rpm / 2.0f);
+
+  if (isEnabled) {
+    LOG_INFO("==== System is ENABLED ====");
+  } else {
+    LOG_INFO("==== System is DISABLED ====");
+  }
+
  LOG_INFO("Spark Delay uS: ", stsA.spark_delay_us, "\tSoft Start: ", stsA.soft_start ? "TRUE" : "FALSE");
-  LOG_INFO("Pause: ", (uint32_t)(stsA.pause_long_us / 1000), "ms");
+  LOG_INFO("Engine Rpm: ", (uint32_t)(filtered_rpm));
  LOG_INFO("Coil Pulse: ", stsA.coil_pulse_us, "us");
  LOG_INFO("Spark Pulse: ", stsA.spark_pulse_us, "us");
-
+  
+  if (digitalRead(ENABLE_PIN) == LOW && !isEnabled) {
+    timerStart(timerA);
+    isEnabled = true;
+  } else if (digitalRead(ENABLE_PIN) == HIGH && isEnabled) {
+    timerStop(timerA);
+    isEnabled = false;
+  }

  delay(100);
  clearScreen();
--- a/RotaxMonitorTester/src/pins.h
+++ b/RotaxMonitorTester/src/pins.h
@@ -1,5 +1,8 @@
 #pragma once

+// Enable Pin
+#define ENABLE_PIN 16
+
 ///// Ignition Box A /////
 #define PIN_TRIG_A12P 18
 #define PIN_TRIG_A12N 19
Author	SHA1	Message	Date
Emanuele Trabattoni	97bce90ba6	changed partition to littlefs, not working yet	2026-04-08 17:10:30 +02:00
Emanuele Trabattoni	12e1e8e7a4	Fixed Filters, split file in html, script and css	2026-04-08 16:55:03 +02:00
Emanuele Trabattoni	4dc45954e9	Webpage is OK, html in memory since SPIFFS is to slow. Moving average to be fixed	2026-04-08 15:23:21 +02:00
Emanuele Trabattoni	07eb06f67b	Save History Sync on flash, still some issues in deleting previous file	2026-04-08 10:27:18 +02:00
Emanuele Trabattoni	481f12f526	Enable/Disable pickup simulation	2026-04-08 10:26:44 +02:00
Emanuele Trabattoni	7c96101cdd	SPIFFS mount sometimes fail	2026-04-07 17:33:08 +02:00
Emanuele Trabattoni	877236ee4e	Save files appending on same session and new file on new session	2026-04-07 15:53:52 +02:00
Emanuele Trabattoni	668b590d7c	CSV file save on SPIFF filesystem, 10MB on internal flash	2026-04-07 13:21:27 +02:00
Emanuele Trabattoni	f36cb96f21	Improved task code	2026-04-07 10:51:53 +02:00
Emanuele Trabattoni	dc44decd64	Moved files in libraries	2026-04-07 10:19:28 +02:00
Emanuele Trabattoni	0d0db29bba	Merge branch 'adc'	2026-04-07 10:12:50 +02:00
Emanuele Trabattoni	5c9ef7e93b	Fast ADC readings ok, to verify timing and settling time	2026-04-05 17:05:10 +02:00
Emanuele Trabattoni	a2d0afa0c9	adc read ok, very slow	2026-04-05 11:16:10 +02:00
Emanuele Trabattoni	1109681eb5	Merge branch 'debug'	2026-04-05 10:32:08 +02:00