From db10de101cc2327b4ccefa4a9deffd3182e83cc3 Mon Sep 17 00:00:00 2001
From: Ollo <Ollo@host>
Date: Wed, 15 Dec 2021 17:02:36 +0100
Subject: [PATCH 1/2] Reduced brightness to 50%

---
 src/main.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index d5bb3bb..cdf904a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -258,9 +258,9 @@ void bmpPublishValues() {
       String(bmx.readAltitude(SEALEVELPRESSURE_HPA))), MQTT_LOG_I2READ);
   if ( (rgbTemp.get()) && (!mSomethingReceived) ) {
       if (bmx.readTemperature() < TEMPBORDER) {
-        strip.setPixelColor(0, strip.Color(0,0,255));
+        strip.setPixelColor(0, strip.Color(0,0,127));
       } else {
-        strip.setPixelColor(0, strip.Color(255,0,0));
+        strip.setPixelColor(0, strip.Color(127,0,0));
       }
       strip.show();
   }
@@ -286,11 +286,11 @@ void loopHandler()
       particle.setProperty(NODE_PARTICLE).send(String(pM25));
       if (!mSomethingReceived) {
         if (pM25 < 35) {
-          strip.fill(strip.Color(0, 255, 0)); /* green */
+          strip.fill(strip.Color(0, 127, 0)); /* green */
         } else if (pM25 < 85) {
-          strip.fill(strip.Color(255, 127, 0)); /* orange */
+          strip.fill(strip.Color(127, 64, 0)); /* orange */
         } else {
-          strip.fill(strip.Color(255, 0, 0)); /* red */
+          strip.fill(strip.Color(127, 0, 0)); /* red */
         }
         strip.show();
       }

From d6e34a8e75791352ecb8a6d58dc14a8f5776ab01 Mon Sep 17 00:00:00 2001
From: Ollo <Ollo@host>
Date: Wed, 15 Dec 2021 17:22:10 +0100
Subject: [PATCH 2/2] Brightness can be configured

---
 include/HomieSettings.h |  2 +-
 src/main.cpp            | 22 ++++++++++++++--------
 2 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/include/HomieSettings.h b/include/HomieSettings.h
index 69b47e7..f12788f 100644
--- a/include/HomieSettings.h
+++ b/include/HomieSettings.h
@@ -13,6 +13,6 @@
 #define HOMIE_SETTINGS
 
 #define HOMIE_FIRMWARE_NAME     "RoomSensor"
-#define HOMIE_FIRMWARE_VERSION  "2.1.0"
+#define HOMIE_FIRMWARE_VERSION  "2.2.0"
 
 #endif
diff --git a/src/main.cpp b/src/main.cpp
index cdf904a..f3016bc 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -74,6 +74,8 @@
   strcat(topic, "/");                                                                                                                         \
   strcat(topic, test);         
 
+#define PERCENT2FACTOR(b, a)               ((b * a.get()) / 100)
+
 #define NUMBER_TYPE                     "Number"
 #define NODE_PARTICLE                   "particle"
 #define NODE_TEMPERATUR                 "temp"
@@ -130,6 +132,7 @@ HomieSetting<bool> i2cEnable("i2c",
 
 );
 HomieSetting<bool> rgbTemp("rgbTemp", "Show temperature via red (>20 °C) and blue (< 20°C)");
+HomieSetting<long> rgbDim("rgbDim", "Factor (1 to 200%) of the status LEDs");
 
 static SoftwareSerial pmSerial(SENSOR_PM1006_RX, SENSOR_PM1006_TX);
 #ifdef BME680
@@ -258,9 +261,9 @@ void bmpPublishValues() {
       String(bmx.readAltitude(SEALEVELPRESSURE_HPA))), MQTT_LOG_I2READ);
   if ( (rgbTemp.get()) && (!mSomethingReceived) ) {
       if (bmx.readTemperature() < TEMPBORDER) {
-        strip.setPixelColor(0, strip.Color(0,0,127));
+        strip.setPixelColor(0, strip.Color(0,0,PERCENT2FACTOR(127, rgbDim)));
       } else {
-        strip.setPixelColor(0, strip.Color(127,0,0));
+        strip.setPixelColor(0, strip.Color(PERCENT2FACTOR(127, rgbDim),0,0));
       }
       strip.show();
   }
@@ -286,11 +289,11 @@ void loopHandler()
       particle.setProperty(NODE_PARTICLE).send(String(pM25));
       if (!mSomethingReceived) {
         if (pM25 < 35) {
-          strip.fill(strip.Color(0, 127, 0)); /* green */
+          strip.fill(strip.Color(0, PERCENT2FACTOR(127, rgbDim), 0)); /* green */
         } else if (pM25 < 85) {
-          strip.fill(strip.Color(127, 64, 0)); /* orange */
+          strip.fill(strip.Color(PERCENT2FACTOR(127, rgbDim), PERCENT2FACTOR(64, rgbDim), 0)); /* orange */
         } else {
-          strip.fill(strip.Color(127, 0, 0)); /* red */
+          strip.fill(strip.Color(PERCENT2FACTOR(127, rgbDim), 0, 0)); /* red */
         }
         strip.show();
       }
@@ -373,6 +376,9 @@ void setup()
   Homie.onEvent(onHomieEvent);
   i2cEnable.setDefaultValue(false);
   rgbTemp.setDefaultValue(false);
+  rgbDim.setDefaultValue(100).setValidator([] (long candidate) {
+    return (candidate > 1) && (candidate <= 200);
+  });
   memset(serialRxBuf, 0, 80);
 
   pmSerial.begin(PM1006_BIT_RATE);
@@ -420,7 +426,7 @@ void setup()
       /* Extracted from library's example */
       mFailedI2Cinitialization = !bmx.begin();
       if (!mFailedI2Cinitialization) {
-        strip.fill(strip.Color(0,64,0));
+        strip.fill(strip.Color(0,PERCENT2FACTOR(64, rgbDim),0));
         strip.show();
 #ifdef BME680
         bmx.setTemperatureOversampling(BME680_OS_8X);
@@ -443,7 +449,7 @@ void setup()
     }
     strip.fill(strip.Color(0,0,0));
     for (int i=0;i < (PIXEL_COUNT / 2); i++) {
-      strip.setPixelColor(0, strip.Color(0,0,128));
+      strip.setPixelColor(0, strip.Color(0,0,128 * rgbDim.get()));
     }
     strip.show();
   } else {
@@ -481,7 +487,7 @@ void loop()
   if (mButtonPressed > BUTTON_MAX_CYCLE) {    
     mButtonPressed = (BUTTON_MAX_CYCLE -1);
     if (SPIFFS.exists("/homie/config.json")) {
-      strip.fill(strip.Color(0,128,0));
+      strip.fill(strip.Color(0,PERCENT2FACTOR(127, rgbDim),0));
       strip.show();
       printf("Resetting config\r\n");
       SPIFFS.remove("/homie/config.json");