make bpm settable via mqtt

SuperLEDstrip.ino

@@ -105,6 +105,11 @@ bool lightSceneHandler(const HomieRange& range, const String& value) {
   return true;
 }
 
+bool lightTempoHandler(const HomieRange& range, const String& value) {
+  setTempo(value.toInt());
+  return true;
+}
+
 
 
 bool lightOnHandler(const HomieRange& range, const String& value) {
@@ -151,9 +156,11 @@ void setup(void)
   lightNode.advertise("on").settable(lightOnHandler);
   lightNode.advertise("brightness").settable(lightBrightnessHandler);
   lightNode.advertise("scene").settable(lightSceneHandler);
+  lightNode.advertise("tempo").settable(lightTempoHandler);
   Homie.setGlobalInputHandler(globalInputHandler);
   Homie.setup();
 
+  setTempo(BeatsPerMinute);
   NextionSetup();
   setTextTitle();
   delay(1000);

led_functions.h

@@ -9,6 +9,11 @@ void setBrightness(uint8_t newBrightness)
    lightNode.setProperty("brightness").send(String(currentBrightness));
 }
 
+void setTempo(uint8_t tempo) {
+  BeatsPerMinute = tempo;
+  lightNode.setProperty("tempo").send(String(BeatsPerMinute));
+}
+
 // toggle brightness between 0 and current
 void toggleBrightness()
 {

led_patterns.h

@@ -180,7 +180,6 @@ void rainbow()
 void bpm()
 {
   // colored stripes pulsing at a defined Beats-Per-Minute (BPM)
-  uint8_t BeatsPerMinute = 80;
   CRGBPalette16 palette = PartyColors_p;
   uint8_t beat = beatsin8( BeatsPerMinute, 64, 255);
   for( int i = 0; i < NUM_LEDS; i++) { //9948

openhab/superledstrip.items

@@ -3,9 +3,10 @@ Number sLED_signal     "Signal [%d %%]" <signal> { mqtt="<[mosquitto:homie/5ccf7
 Number sLED_uptime     "Uptime [%d s]"  <clock>  { mqtt="<[mosquitto:homie/5ccf7f15b638/$stats/uptime:state:default]"}
 
 
-Switch sLED_light      "Light"           <light> { mqtt="<[mosquitto:homie/5ccf7f15b638/light/on:state:ON:true], <[mosquitto:homie/5ccf7f15b638/light/on:state:OFF:false], >[mosquitto:homie/5ccf7f15b638/light/on/set:command:ON:true], >[mosquitto:homie/5ccf7f15b638/light/on/set:command:OFF:false]" }
-Dimmer sLED_brightness "Brightness [%d]" <light> { mqtt="<[mosquitto:homie/5ccf7f15b638/light/brightness:state:default], >[mosquitto:homie/5ccf7f15b638/light/brightness/set:command:*:default]" }
+Switch sLED_light      "Light"           <light>      { mqtt="<[mosquitto:homie/5ccf7f15b638/light/on:state:ON:true], <[mosquitto:homie/5ccf7f15b638/light/on:state:OFF:false], >[mosquitto:homie/5ccf7f15b638/light/on/set:command:ON:true], >[mosquitto:homie/5ccf7f15b638/light/on/set:command:OFF:false]" }
+Dimmer sLED_brightness "Brightness [%d]" <slider>     { mqtt="<[mosquitto:homie/5ccf7f15b638/light/brightness:state:default], >[mosquitto:homie/5ccf7f15b638/light/brightness/set:command:*:default]" }
 Number sLED_scene      "Scene"           <colorwheel> { mqtt="<[mosquitto:homie/5ccf7f15b638/light/scene:state:default], >[mosquitto:homie/5ccf7f15b638/light/scene/set:command:*:default]" }
+Number sLED_tempo      "Tempo [%d bpm]"  <chart>      { mqtt="<[mosquitto:homie/5ccf7f15b638/light/tempo:state:default], >[mosquitto:homie/5ccf7f15b638/light/tempo/set:command:*:default]" }
 
 Number sLED_temp       "Temperatur [%.1f °C]" <temperature> { mqtt="<[mosquitto:homie/5ccf7f15b638/temperature/degrees:state:default]"}
 Number sLED_humid      "Humidity [%.1f %%]"   <humidity>    { mqtt="<[mosquitto:homie/5ccf7f15b638/humidity/percentage:state:default]"}

openhab/superledstrip.sitemap

@@ -30,6 +30,7 @@ sitemap superledstrip label="SuperLEDstrip"
                                                   506='magenta',
                                                   507='cyan',
                                                   508='yellow' ]
+        Setpoint    item=sLED_tempo   minValue=0 maxValue=255
         Text        item=sLED_temp
         Text        item=sLED_humid
     }