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