From d41a99ee887cb974622e1ee2271fdb71bf2cf8c7 Mon Sep 17 00:00:00 2001
From: Emanuele Trabattoni <ema.trabattoni@gmail.com>
Date: Sat, 11 Apr 2026 00:40:33 +0200
Subject: [PATCH] rgb led

---
 RotaxMonitor/lib/led/led.cpp | 29 ++++++++++++++++++++++
 RotaxMonitor/lib/led/led.h   | 48 ++++++++++++++++++++++++++++++++++++
 RotaxMonitor/platformio.ini  |  2 ++
 RotaxMonitor/src/main.cpp    | 22 ++++++++++++-----
 4 files changed, 95 insertions(+), 6 deletions(-)
 create mode 100644 RotaxMonitor/lib/led/led.cpp
 create mode 100644 RotaxMonitor/lib/led/led.h

diff --git a/RotaxMonitor/lib/led/led.cpp b/RotaxMonitor/lib/led/led.cpp
new file mode 100644
index 0000000..c75f987
--- /dev/null
+++ b/RotaxMonitor/lib/led/led.cpp
@@ -0,0 +1,29 @@
+#include <led.h>
+
+RGBled::RGBled(const uint8_t pin, const uint8_t num)
+{
+    m_led = Adafruit_NeoPixel(num, pin, NEO_GRB + NEO_KHZ800);
+    m_led.begin();
+    m_led.setPixelColor(0, RED);
+    m_led.show();
+}
+
+RGBled::~RGBled()
+{
+    m_led.clear();
+}
+
+void RGBled::setStatus(const LedStatus s)
+{
+    if (m_status == s) return;
+    m_status = s;
+    RGB_BUILTIN_LED_COLOR_ORDER
+    m_led.setPixelColor(0, s);
+    m_led.setBrightness(16);
+    m_led.show();
+}
+
+const RGBled::LedStatus RGBled::getSatus(void)
+{
+    return m_status;
+}
\ No newline at end of file
diff --git a/RotaxMonitor/lib/led/led.h b/RotaxMonitor/lib/led/led.h
new file mode 100644
index 0000000..8d026be
--- /dev/null
+++ b/RotaxMonitor/lib/led/led.h
@@ -0,0 +1,48 @@
+#pragma once
+
+// System Inlcudes
+#include <Arduino.h>
+#include <Adafruit_NeoPixel.h>
+
+#define RED 0x00FF00
+#define GREEN 0xFF0000
+#define BLUE 0x0000FF
+#define WHITE 0xFFFFFF
+#define YELLOW 0xFFFF00
+#define CYAN 0xFF00FF
+#define MAGENTA 0x00FFFF
+#define ORANGE 0xA5FF00
+#define PURPLE 0x008080
+#define PINK 0x69FFB4
+#define LIME 0xCD3232
+#define SKY_BLUE 0xCE87EB
+#define GOLD 0xD7FF00
+#define TURQUOISE 0xE040D0
+#define INDIGO 0x004B82
+#define GRAY 0x808080
+
+class RGBled
+{
+public:
+    enum LedStatus
+    {
+        OK = GREEN,
+        ERROR = RED,
+        INIT = YELLOW,
+        DATA_A = CYAN,
+        DATA_B = MAGENTA,
+        DATA_ALL = ORANGE,
+        IDLE = GRAY
+    };
+
+public:
+    RGBled(const uint8_t pin = 48, const uint8_t num = 1);
+    ~RGBled();
+
+    void setStatus(const LedStatus s);
+    const LedStatus getSatus(void);
+
+private:
+    Adafruit_NeoPixel m_led;
+    LedStatus m_status = LedStatus::IDLE;
+};
\ No newline at end of file
diff --git a/RotaxMonitor/platformio.ini b/RotaxMonitor/platformio.ini
index c5d3aa7..e7fb4f6 100644
--- a/RotaxMonitor/platformio.ini
+++ b/RotaxMonitor/platformio.ini
@@ -20,6 +20,7 @@ lib_deps =
 	hideakitai/PCA95x5@^0.1.3
 	me-no-dev/AsyncTCP@^3.3.2
 	me-no-dev/ESPAsyncWebServer@^3.6.0
+	adafruit/Adafruit NeoPixel@^1.15.4
 upload_protocol = esptool
 upload_port = /dev/ttyACM1
 upload_speed = 921600
@@ -45,6 +46,7 @@ platform = ${env:esp32-s3-devkitc1-n16r8.platform}
 framework = ${env:esp32-s3-devkitc1-n16r8.framework}
 lib_deps = 
 	${env:esp32-s3-devkitc1-n16r8.lib_deps}
+	adafruit/Adafruit NeoPixel@^1.15.4
 upload_protocol = esptool
 upload_port = /dev/ttyACM1
 upload_speed = 921600
diff --git a/RotaxMonitor/src/main.cpp b/RotaxMonitor/src/main.cpp
index a39faa4..c45e175 100644
--- a/RotaxMonitor/src/main.cpp
+++ b/RotaxMonitor/src/main.cpp
@@ -14,6 +14,7 @@
 #include <datasave.h>
 #include <webserver.h>
 #include <ui.h>
+#include <led.h>
 
 // Defines to enable channel B
 #define CH_B_ENABLE
@@ -76,6 +77,8 @@ void setup()
 void loop()
 {
     // global variables
+    RGBled led;
+    led.setStatus(RGBled::LedStatus::INIT);
     bool running = true;
     const uint32_t max_queue = 128;
     const uint32_t filter_k = 10;
@@ -219,6 +222,7 @@ void loop()
     }
 
     LOG_DEBUG("Real Time Tasks A & B initialized");
+    led.setStatus(RGBled::LedStatus::OK);
 
     bool partial_save = false; // flag to indicate if a partial save has been done after a timeout
     auto last_data = millis();
@@ -238,7 +242,7 @@ void loop()
     WebPage webPage(80, LittleFS); // Initialize webserver and Websocket
 
     //////////////// INNER LOOP /////////////////////
-    while (running) 
+    while (running)
     {
         auto dataA = pdFALSE;
         auto dataB = pdFALSE;
@@ -264,9 +268,15 @@ void loop()
 #endif
         // Update last data
         if (dataA == pdTRUE || dataB == pdTRUE)
-        {
             last_data = millis();
-        }
+        
+        // Update Led color
+        if (dataA == pdTRUE && dataB == pdFALSE)
+            led.setStatus(RGBled::DATA_A);
+        else if (dataB == pdTRUE && dataA == pdFALSE)
+            led.setStatus(RGBled::DATA_B);
+        else
+            led.setStatus(RGBled::DATA_ALL);
 
         if (dataA == pdTRUE)
         {
@@ -314,17 +324,17 @@ void loop()
                 partial_save = true;
                 first_save = true;
             }
-            //Serial.printf("[%d] Waiting for data...\r", wait_count++);
+            // Serial.printf("[%d] Waiting for data...\r", wait_count++);
+            led.setStatus(RGBled::LedStatus::IDLE);
             delay(100);
         }
-        
+
         if ((millis() - last_info) > 1000)
         {
             clearScreen();
             Serial.println();
             printRunningTasksMod(Serial);
             last_info = millis();
-
         }
     } //////////////// INNER LOOP /////////////////////