multiple ESP32CapacitiveTouch.ino

[vinhx]

hi Hennigs, thank you for your awesome library , the esp32 touch sample run well, so I I'd like to implement more than one touch button i.e: (meniu_button ,eq_button volup_button, voldow_down, ). that the code run , but only one the menu_button responding action, please help to validate my below sketch. thank you alot!

/////////////////////////////////////////////////////////////////

#if !defined(ESP32)
#error This sketch needs an ESP32
#else

/////////////////////////////////////////////////////////////////

#include "Button2.h"

/////////////////////////////////////////////////////////////////

Button2 menu_button;
Button2 eq_button;
Button2 volup_button;
Button2 voldow_button;

#define button1 4 // menu-button
#define button2 15 // e button
#define button3 32 // vol +
#define button4 33 // vol -

/////////////////////////////////////////////////////////////////

byte capStateHandler1() {
int capa = touchRead(button1);
return capa < menu_button.getDebounceTime() ? LOW : HIGH;
}
byte capStateHandler2() {
int capa = touchRead(button2);
return capa < eq_button.getDebounceTime() ? LOW : HIGH;
}
byte capStateHandler3() {
int capa = touchRead(button3);
return capa < volup_button.getDebounceTime() ? LOW : HIGH;
}
byte capStateHandler4() {
int capa = touchRead(button4);
return capa < voldow_button.getDebounceTime() ? LOW : HIGH;
}

/////////////////////////////////////////////////////////////////

void setup() {
Serial.begin(9600);
delay(50);
Serial.println("\n\nCapacitive Touch Demo");

menu_button.setDebounceTime(40);
menu_button.setButtonStateFunction(capStateHandler1);
menu_button.setClickHandler(click);
menu_button.setLongClickHandler(longClick);
menu_button.begin(VIRTUAL_PIN);

eq_button.setDebounceTime(40);
eq_button.setButtonStateFunction(capStateHandler2);
eq_button.setClickHandler(eq_click);
eq_button.begin(VIRTUAL_PIN);

volup_button.setDebounceTime(40);
volup_button.setButtonStateFunction(capStateHandler3);
volup_button.setClickHandler(volup_click);
volup_button.begin(VIRTUAL_PIN);

voldow_button.setDebounceTime(40);
voldow_button.setButtonStateFunction(capStateHandler4);
voldow_button.setClickHandler(voldow_click);
voldow_button.begin(VIRTUAL_PIN);

}

/////////////////////////////////////////////////////////////////

void loop() {
menu_button.loop();
eq_button.loop();
volup_button.loop();
voldow_button.loop();
}

/////////////////////////////////////////////////////////////////
void click(Button2& btn) {
Serial.println("menu click\n");
}

// long click
void longClick(Button2 &btn) {
unsigned int time = btn.wasPressedFor();
if (time > 1000) {
Serial.println("long click\n");
}
}

void eq_click(Button2& btn) {
Serial.println("eq click\n");
}

void volup_click(Button2& btn) {
Serial.println("volup click\n");
}

void voldow_click(Button2& btn) {
Serial.println("voldow click\n");
}

/////////////////////////////////////////////////////////////////
#endif
/////////////////////////////////////////////////////////////////

---

[vinhx]

ah, I found that you use the setDebounceTime method to define the threshold value for the handler to make compre with touch read value . I fixed my issue now, thank you!