Added inverted analog button.

wled00/button.cpp

@@ -74,6 +74,9 @@ void handleAnalog(uint8_t b)
   #else
   uint16_t aRead = analogRead(btnPin[b]) >> 4; // convert 12bit read to 8bit
   #endif
+
+  if (buttonType[b] == BTN_TYPE_ANALOG_INVERTED) aRead = 255 - aRead;
+
   // remove noise & reduce frequency of UI updates
   aRead &= 0xFC;
 
@@ -149,12 +152,12 @@ void handleButton()
 
   for (uint8_t b=0; b<WLED_MAX_BUTTONS; b++) {
     #ifdef ESP8266
-    if ((btnPin[b]<0 && buttonType[b] != BTN_TYPE_ANALOG) || buttonType[b] == BTN_TYPE_NONE) continue;
+    if ((btnPin[b]<0 && !(buttonType[b] == BTN_TYPE_ANALOG) || buttonType[b] == BTN_TYPE_ANALOG_INVERTED) || buttonType[b] == BTN_TYPE_NONE) continue;
     #else
     if (btnPin[b]<0 || buttonType[b] == BTN_TYPE_NONE) continue;
     #endif
 
-    if (buttonType[b] == BTN_TYPE_ANALOG && millis() - lastRead > 250) {   // button is not a button but a potentiometer
+    if ((buttonType[b] == BTN_TYPE_ANALOG || buttonType[b] == BTN_TYPE_ANALOG_INVERTED) && millis() - lastRead > 250) {   // button is not a button but a potentiometer
       if (b+1 == WLED_MAX_BUTTONS) lastRead = millis();
       handleAnalog(b); continue;
     }

wled00/const.h

@@ -161,6 +161,7 @@
 #define BTN_TYPE_SWITCH_ACT_HIGH  5
 #define BTN_TYPE_TOUCH            6
 #define BTN_TYPE_ANALOG           7
+#define BTN_TYPE_ANALOG_INVERTED  8
 
 //Ethernet board types
 #define WLED_NUM_ETH_TYPES        5

wled00/data/settings_leds.htm

@@ -308,6 +308,7 @@ Reverse (rotated 180°): <input type="checkbox" name="CV${i}">
       c += `<option value="5" ${t==5?"selected":""}>Switch inverted</option>`;
       c += `<option value="6" ${t==6?"selected":""}>Touch</option>`;
       c += `<option value="7" ${t==7?"selected":""}>Analog</option>`;
+      c += `<option value="8" ${t==8?"selected":""}>Analog inverted</option>`;
       c += `</select>`;
       c += `<span style="cursor: pointer;" onclick="off('${bt}')">&nbsp;&#215;</span><br>`;
       gId("btns").innerHTML = c;

wled00/wled.h

@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2105281
+#define VERSION 2105282
 
 //uncomment this if you have a "my_config.h" file you'd like to use
 //#define WLED_USE_MY_CONFIG