Prvni ulozeni z chegewara githubu

libraries/ESP32/examples/Touch/TouchButton/TouchButton.ino

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+/*
+
+This is an example how to use Touch Intrrerupts
+The sketh will tell when it is touched and then relesased as like a push-button
+
+This method based on touchInterruptSetThresholdDirection() is only available for ESP32
+*/
+
+#include "Arduino.h"
+
+int threshold = 40;
+bool touchActive = false;
+bool lastTouchActive = false;
+bool testingLower = true;
+
+void gotTouchEvent(){
+  if (lastTouchActive != testingLower) {
+    touchActive = !touchActive;
+    testingLower = !testingLower;
+    // Touch ISR will be inverted: Lower <--> Higher than the Threshold after ISR event is noticed
+    touchInterruptSetThresholdDirection(testingLower);
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  delay(1000); // give me time to bring up serial monitor
+  Serial.println("ESP32 Touch Interrupt Test");
+  touchAttachInterrupt(T2, gotTouchEvent, threshold);
+
+  // Touch ISR will be activated when touchRead is lower than the Threshold
+  touchInterruptSetThresholdDirection(testingLower);
+}
+
+void loop(){
+  if(lastTouchActive != touchActive){
+    lastTouchActive = touchActive;
+    if (touchActive) {
+      Serial.println("  ---- Touch was Pressed");
+    } else {
+      Serial.println("  ---- Touch was Released");
+    }
+  }
+  Serial.printf("T2 pin2 = %d \n", touchRead(T2));
+  delay(125);
+}