From 66ac5ac81b6ee25a39482bbe31e9199e8e51ec5a Mon Sep 17 00:00:00 2001
From: Damian Schneider <daedae@gmx.ch>
Date: Fri, 8 Mar 2024 18:14:59 +0100
Subject: [PATCH] Revert "fixed touch buttons for ESP32 S2 and S3"

This reverts commit 09041551862361cd8c7444ca25403f5f96a9077b.
---
 wled00/button.cpp    | 27 ++++-----------------------
 wled00/cfg.cpp       | 13 ++-----------
 wled00/fcn_declare.h |  1 -
 3 files changed, 6 insertions(+), 35 deletions(-)

diff --git a/wled00/button.cpp b/wled00/button.cpp
index bf093a2071..29cb0abebf 100644
--- a/wled00/button.cpp
+++ b/wled00/button.cpp
@@ -99,21 +99,11 @@ bool isButtonPressed(uint8_t i)
     case BTN_TYPE_TOUCH:
     case BTN_TYPE_TOUCH_SWITCH:
       #if defined(ARDUINO_ARCH_ESP32) && !defined(CONFIG_IDF_TARGET_ESP32C3)
-        #ifdef SOC_TOUCH_VERSION_2 //ESP32 S2 and S3 provide a function to check touch state (state is updated in interrupt)
-          if (touchInterruptGetLastStatus(pin))
-          {
-            return true;
-          }
-        #else
-          if (digitalPinToTouchChannel(btnPin[i]) >= 0 && touchRead(pin) <= touchThreshold)
-          {
-                return true;
-          }
-        #endif
+      if (digitalPinToTouchChannel(btnPin[i]) >= 0 && touchRead(pin) <= touchThreshold) return true;
       #endif
-     break;
-    }
-    return false;
+      break;
+  }
+  return false;
 }
 
 void handleSwitch(uint8_t b)
@@ -416,12 +406,3 @@ void handleIO()
     offMode = true;
   }
 }
-
-void IRAM_ATTR touchButtonISR()
-{
-  
-#if defined SOC_TOUCH_VERSION_1 //ESP32 original
-  touchInterruptSetThresholdDirection(flase); //todo: need to flip direction, for that proably need to read current state or something.  
-#endif
-  // For S2 and S3: nothing to do, ISR is just used to update registers of HAL driver
-}
\ No newline at end of file
diff --git a/wled00/cfg.cpp b/wled00/cfg.cpp
index 82fb911a4c..771ada25b3 100755
--- a/wled00/cfg.cpp
+++ b/wled00/cfg.cpp
@@ -228,7 +228,6 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
 
   // read multiple button configuration
   JsonObject btn_obj = hw["btn"];
-  CJSON(touchThreshold, btn_obj[F("tt")]);
   bool pull = btn_obj[F("pull")] | (!disablePullUp); // if true, pullup is enabled
   disablePullUp = !pull;
   JsonArray hw_btn_ins = btn_obj["ins"];
@@ -253,16 +252,8 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
           btnPin[s] = -1;
           pinManager.deallocatePin(pin,PinOwner::Button);
         }
-        //if touch pin, enable the touch interrupt on ESP32 S2 & S3
-        #ifdef SOC_TOUCH_VERSION_2    // ESP32 S2 and S3 have a fucntion to check touch state but need to attach an interrupt to do so
-          else if ((buttonType[s] == BTN_TYPE_TOUCH || buttonType[s] == BTN_TYPE_TOUCH_SWITCH)) 
-          {
-            touchAttachInterrupt(btnPin[s], touchButtonISR, touchThreshold<<2); //threshold on Touch V2 is much higher (TODO: may need shift by 3 if very noisy)
-          }
-        #endif 
-
         else
-        #endif
+      #endif
         {
           if (disablePullUp) {
             pinMode(btnPin[s], INPUT);
@@ -308,7 +299,7 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
       }
     }
   }
-
+  CJSON(touchThreshold,btn_obj[F("tt")]);
   CJSON(buttonPublishMqtt,btn_obj["mqtt"]);
 
   int hw_ir_pin = hw["ir"]["pin"] | -2; // 4
diff --git a/wled00/fcn_declare.h b/wled00/fcn_declare.h
index c902dad64f..47a8173cce 100644
--- a/wled00/fcn_declare.h
+++ b/wled00/fcn_declare.h
@@ -20,7 +20,6 @@ void doublePressAction(uint8_t b=0);
 bool isButtonPressed(uint8_t b=0);
 void handleButton();
 void handleIO();
-void IRAM_ATTR touchButtonISR();
 
 //cfg.cpp
 bool deserializeConfig(JsonObject doc, bool fromFS = false);