How can I add a physical button to switch example?

[greg21greg]

[Mixiaoxiao]

Ask Google.

[greg21greg]

I tried that already :( I was hoping someone could help me out here.

[JGConcepcion]

Were you able to make it work? I'm trying to make it work

[pratik019]

I tried it, within switch example there is 3 lines of commented code to submit led pin status to ios app. from line 77 to 79.

but when i did that system started going into reset mode continiously exception(0), i would love help with it.

[JGConcepcion]

I was able to make it work already but it involved the use of another library which is the ESPbutton. I added this piece of code (See attached image) into the my_homekit_setup() and I got no error or whatsoever.

[yepkevin612]

@JGConcepcion con you share your code?

[Varogkorn]

I used Acebutton Libray to work with Push button Switch with INPUT_PULLUP

• [x] When you turn ON the swich The LED will on and it update state in Home App also same like when you switch OFF.

Edit program in Example02_Switch.ino

• First,Add this before void setup()

  #include <AceButton.h>
         using namespace ace_button;
         const int BUTTON_PIN = 14; //edit your switch pin here.
         AceButton button(BUTTON_PIN);
        void handleEvent(AceButton*, uint8_t, uint8_t);
        int lock_state;
  

• Second,In void setup() add

  pinMode(BUTTON_PIN, INPUT_PULLUP);
  button.setEventHandler(handleEvent);
  

• Third,Add button.check(); in your void loop() like this.

void loop() {
	my_homekit_loop();
        button.check(); //ADD THIS.
	delay(10);
}

• Last, Add the switch event funtion(Like below) at the below of progarm.

void handleEvent(AceButton* /* button */, uint8_t eventType,
    uint8_t /* buttonState */) {
  switch (eventType) {
    case AceButton::kEventPressed:
      if(lock_state==0){
        cha_switch_on.value.bool_value = true;
        bool on = cha_switch_on.value.bool_value;
        Serial.println("LED:ON(Force)");
        digitalWrite(PIN_SWITCH, HIGH);
        homekit_characteristic_notify(&cha_switch_on, cha_switch_on.value);
        lock_state = 1;
        }
      break;
    case AceButton::kEventReleased:
      if(lock_state==1){
        cha_switch_on.value.bool_value = false;
        bool on = !cha_switch_on.value.bool_value;
        Serial.println("LED:OFF(Force)");
        digitalWrite(PIN_SWITCH, LOW);
        homekit_characteristic_notify(&cha_switch_on, cha_switch_on.value);
        lock_state = 0;
      }
      break;
  }
}

[yepkevin612]

@Varogkorn thank you so much，i still cannot turn off ，when i hold the button there is off，when i released my hand the switch continous turn on.

[alexxxpol]

Hi! void handleEvent(AceButton* /* button /, uint8_t eventType, uint8_t / buttonState */) { //Serial.println('lock_state'); switch (eventType) { case AceButton::kEventPressed: if(lock_state==1){ cha_switch_on.value.bool_value = true; bool on = cha_switch_on.value.bool_value; //Serial.println("LED:ON(Force)"); digitalWrite(PIN_SWITCH, HIGH); homekit_characteristic_notify(&cha_switch_on, cha_switch_on.value); lock_state = 0; } else { cha_switch_on.value.bool_value = false; bool on = !cha_switch_on.value.bool_value; //Serial.println("LED:OFF(Force)"); digitalWrite(PIN_SWITCH, LOW); homekit_characteristic_notify(&cha_switch_on, cha_switch_on.value); lock_state = 1; }
break; case AceButton::kEventReleased: break; } }

[yepkevin612]

@alexxxpol Thank you , it work nice.

[alexandrerochasalles]

How to change the HIGH to LOW position on home app?? I mean, even the exemple works inverse for me, it is on when off in home app, and off when it's on in my home app.

I'm using a Wemos d1 mini v3

[david19610]

Hello,

Pleas in function swich_on_set(), change the digitalWrite(2, switch_1_power) to digitalWrite(2, !(switch_1_power)).

void switch_1_on_set(homekit_value_t value) { if (value.format != homekit_format_bool) { printf("Invalid on-value format: %d\n", value.format); return;} switch_1_power = value.bool_value; digitalWrite(2, switch_1_power); //led_update(); }

Pozdrawiam/Mit freundlichen Grüssen Dawid Rosak TEL. +48 609105069

Sent from my iPhone

On 9 Apr 2021, at 12:21, Alexandre Rocha @.***> wrote:

 How to change the HIGH to LOW position on home app?? I mean, even the exemple works inverse for me, it is on when off in home app, and off when it's on in my home app.

I'm using a Wemos d1 mini v3

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[alexandrerochasalles]

Hello, Pleas in function swich_on_set(), change the digitalWrite(2, switch_1_power) to digitalWrite(2, !(switch_1_power)). void switch_1_on_set(homekit_value_t value) { if (value.format != homekit_format_bool) { printf("Invalid on-value format: %d\n", value.format); return;} switch_1_power = value.bool_value; digitalWrite(2, switch_1_power); //led_update(); } Pozdrawiam/Mit freundlichen Grüssen Dawid Rosak TEL. +48 609105069 …

I can't find the function that you are talking about. Can you please give me the full code? Because for the switch function I'm using as the switch example:

void cha_switch_on_setter(const homekit_value_t value) {
	bool on = value.bool_value;
	cha_switch_on.value.bool_value = on;	//sync the value
	LOG_D("Switch: %s", on ? "ON" : "OFF");
	digitalWrite(PIN_SWITCH, on ? LOW : HIGH);
}

void my_homekit_setup() {
	pinMode(PIN_SWITCH, OUTPUT);
	digitalWrite(PIN_SWITCH, HIGH);

	cha_switch_on.setter = cha_switch_on_setter;
	arduino_homekit_setup(&config);

}

[david19610]

Hello,

you probably need to refresh status of the button, see the highlighted text in yellow

Pozdrawiam Dawid Rosak

pt., 9 kwi 2021 o 19:24 Alexandre Rocha @.***> napisał(a):

Hello, Pleas in function swich_on_set(), change the digitalWrite(2, switch_1_power) to digitalWrite(2, !(switch_1_power)). void switch_1_on_set(homekit_value_t value) { if (value.format != homekit_format_bool) { printf("Invalid on-value format: %d\n", value.format); return;} switch_1_power = value.bool_value; digitalWrite(2, switch_1_power); //led_update(); } Pozdrawiam/Mit freundlichen Grüssen Dawid Rosak TEL. +48 609105069 … <#m_2188757451150947713_>

I can't find the function that you are talking about. Can you please give me the full code? Because for the switch function I'm using as the switch example:

// access your HomeKit characteristics defined in my_accessory.c extern "C" homekit_server_config_t config; extern "C" homekit_characteristic_t cha_switch_on;

void cha_switch_on_setter(const homekit_value_t value) {

    bool on = value.bool_value;

cha_switch_on.value.bool_value = on; //sync the value

      //update current status of Button on Apple Home app

      homekit_characteristic_notify(&cha_switch_on,

cha_switch_on.value);

LOG_D("Switch: %s", on ? "ON" : "OFF");

digitalWrite(PIN_SWITCH, on ? LOW : HIGH);

}

void my_homekit_setup() {

pinMode(PIN_SWITCH, OUTPUT);

digitalWrite(PIN_SWITCH, HIGH);

cha_switch_on.setter = cha_switch_on_setter;

arduino_homekit_setup(&config);

}

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[alexandrerochasalles]

@david19610 Thank you so much for the help!!

[madmacks59]

Search for a project named "4 Relay & Switch" by Sachin Soni (aka techiesms). He has several projects that use physical switches and relays and I've got it working fine with HomeKit on a couple of different devices.

[DenisMaldonadoC]

The problem with the Techiesms project is that when you interact with the HomeKit App, you have to doble click the physical switch. I made the project a few months ago and I’m still dealing with that problem.