From dc97fbcb994246bf929d9b712ac57e1615b7855c Mon Sep 17 00:00:00 2001
From: Billy Donahue <billy.donahue@gmail.com>
Date: Mon, 11 Mar 2024 02:16:34 -0400
Subject: [PATCH] philipsWho mod

---
 usermods/philipswho/usermod_v2_philipswho.h | 142 ++++++++++++++++++++
 wled00/usermods_list.cpp                    |  11 +-
 2 files changed, 152 insertions(+), 1 deletion(-)
 create mode 100644 usermods/philipswho/usermod_v2_philipswho.h

diff --git a/usermods/philipswho/usermod_v2_philipswho.h b/usermods/philipswho/usermod_v2_philipswho.h
new file mode 100644
index 0000000000..c372862e1a
--- /dev/null
+++ b/usermods/philipswho/usermod_v2_philipswho.h
@@ -0,0 +1,142 @@
+#pragma once
+
+#include "wled.h"
+
+/*
+* PhilipsWho Usermod class that reads information
+* from WLED and lights LED's as a result.
+* LED 1: wifi connection status
+* LED 2: WLED activity status
+* Contact: chill@chillaspect.com
+*/
+class PhilipsWho : public Usermod {
+  private:
+    // strings to reduce flash memory usage (used more than twice)
+    static const char PhilipsWho::_name[] PROGMEM = "PhilipsWho";
+    static const char PhilipsWho::_enabled[] PROGMEM = "enabled";
+
+  public:
+    //How frequently to check for wifi
+    const unsigned long poll_frequency_wifi = 5000; // every 5 second
+
+    //Time when wifi was last checked
+    unsigned long last_checked_wifi = 0;
+
+    //How long the Activity LED remains on when activity detected
+    unsigned long activity_led_on_period = 1000;
+
+    //Default Pin Values
+    int activity_led_pin = 13;
+    int wifi_status_led_pin = 14;
+
+    //Enabled Bool
+    bool enabled = false;
+
+    //The current time since ESP32 Started (in ms)
+    unsigned long current_ms = 0L;
+
+    //Time (in ms) when onStateChange was called
+    unsigned long state_change_fired_ms = 0;
+
+    /*
+    * Check if wifi is connected
+    * Light the LED appropriately
+    */
+    void check_wifi() {
+      if (WLED_CONNECTED) {
+          digitalWrite(wifi_status_led_pin, HIGH);
+      }else{
+          digitalWrite(wifi_status_led_pin, LOW);
+      }
+    }
+
+    /**
+     * Enable/Disable the usermod
+     */
+    void enable(bool enable) { enabled = enable; }
+
+    /**
+     * Get usermod enabled/disabled state
+     */
+    bool isEnabled() { return enabled; }
+
+    /*
+    * Callback function called when any change happens in WLED
+    * This includes light and configuration changes
+    */
+    void onStateChange(uint8_t mode){
+      digitalWrite(activity_led_pin, HIGH);
+      state_change_fired_ms = millis();
+    }
+
+    /*
+    * Add settings to the configuration file
+    */
+    void addToConfig(JsonObject& root)
+    {
+      JsonObject top = root.createNestedObject(FPSTR(_name));
+      top["activity_led_pin"] = activity_led_pin;
+      top["activity_led_on_period"] = activity_led_on_period;
+      top["wifi_status_led_pin"] = wifi_status_led_pin;
+      top["enabled"] = enabled;
+    }
+
+    /*
+    * Read Settings from Configuration File
+    */
+    bool readFromConfig(JsonObject& root)
+    {
+      JsonObject top = root[FPSTR(_name)];
+      bool configComplete = !top.isNull();
+      configComplete &= getJsonValue(top["activity_led_pin"], activity_led_pin, 13);
+      configComplete &= getJsonValue(top["activity_led_on_period"], activity_led_on_period, 1000);
+      configComplete &= getJsonValue(top["wifi_status_led_pin"], wifi_status_led_pin, 14);
+      configComplete &= getJsonValue(top["enabled"], enabled, false);
+
+      // Turn off LED's if disabling
+      if(!enabled){
+          digitalWrite(wifi_status_led_pin, LOW);
+          digitalWrite(activity_led_pin, LOW);
+      }
+
+      return configComplete;
+    }
+
+    /*
+    * Initial Setup - Called once on boot
+    */
+    void setup() {
+      Serial.println("PhilipsWho - Setup");
+      pinMode(wifi_status_led_pin, OUTPUT);
+      pinMode(activity_led_pin, OUTPUT);
+      digitalWrite(wifi_status_led_pin, LOW);
+      digitalWrite(activity_led_pin, LOW);
+    }
+
+    /*
+    * Main Loop - Called continuously while ESP32 is running
+    */
+    void loop() {
+      //If disabled, do nothing
+      if (!enabled) return;
+
+      //Get the current time in MS
+      current_ms = millis();
+
+      //Do we need to check for wifi yet?
+      if(current_ms - last_checked_wifi >= poll_frequency_wifi){
+          last_checked_wifi = current_ms;
+          check_wifi();
+      }
+
+      if(current_ms - state_change_fired_ms >= activity_led_on_period){
+          digitalWrite(activity_led_pin, LOW);
+      }
+
+      //Check for millis overflow - reset back to 0
+      if(current_ms < last_checked_wifi){
+          last_checked_wifi = 0;
+          state_change_fired_ms = 0;
+      }
+    }
+};
diff --git a/wled00/usermods_list.cpp b/wled00/usermods_list.cpp
index db016f5508..181b409285 100644
--- a/wled00/usermods_list.cpp
+++ b/wled00/usermods_list.cpp
@@ -204,6 +204,11 @@
 #ifdef USERMOD_STAIRCASE_WIPE
 #include "../usermods/stairway_wipe_basic/stairway-wipe-usermod-v2.h"
 #endif
+
+#ifdef USERMOD_PHILIPSWHO
+  #include "../usermods/philipswho/usermod_v2_philipswho.h"
+#endif
+
 void registerUsermods()
 {
 /*
@@ -211,7 +216,7 @@ void registerUsermods()
    * || || ||
    * \/ \/ \/
    */
-  //usermods.add(new MyExampleUsermod());
+
   #ifdef USERMOD_BATTERY
   usermods.add(new UsermodBattery());
   #endif
@@ -387,4 +392,8 @@ void registerUsermods()
   #ifdef USERMOD_STAIRCASE_WIPE
   usermods.add(new StairwayWipeUsermod());
   #endif
+
+  #ifdef USERMOD_PHILIPSWHO
+  usermods.add(new PhilipsWho());
+  #endif
 }