card rebinding support

ESPMegaPRO-firmware/lib/ESPMegaPRO/AnalogCard.cpp

@@ -132,7 +132,7 @@ uint8_t AnalogCard::registerDACChangeCallback(std::function<void(uint8_t, bool,
     return this->handler_count++;
 }
 
-void AnalogCard::deregisterDACChangeCallback(uint8_t handler)
+void AnalogCard::unregisterDACChangeCallback(uint8_t handler)
 {
     this->dac_change_callbacks.erase(handler);
 }

ESPMegaPRO-firmware/lib/ESPMegaPRO/AnalogCard.hpp

@@ -27,7 +27,7 @@ class AnalogCard : public ExpansionCard {
         void setDACState(uint8_t pin, bool state);
         void setDACValue(uint8_t pin, uint16_t value);
         uint8_t registerDACChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback);
-        void deregisterDACChangeCallback(uint8_t handler);
+        void unregisterDACChangeCallback(uint8_t handler);
         uint8_t getType();
     private:
         uint8_t handler_count;

ESPMegaPRO-firmware/lib/ESPMegaPRO/AnalogIoT.cpp

@@ -69,7 +69,7 @@ uint8_t AnalogIoT::registerADCConversionCallback(std::function<void(uint8_t, uin
     this->adc_conversion_callbacks[this->adc_conversion_callback_index] = callback;
     return this->adc_conversion_callback_index++;
 }
-void AnalogIoT::deregisterADCConversionCallback(uint8_t handler) {
+void AnalogIoT::unregisterADCConversionCallback(uint8_t handler) {
     this->adc_conversion_callbacks.erase(handler);
 }
 void AnalogIoT::setADCConversionInterval(uint8_t pin, uint16_t interval) {

ESPMegaPRO-firmware/lib/ESPMegaPRO/AnalogIoT.hpp

@@ -26,7 +26,7 @@ class AnalogIoT : public IoTComponent {
         void setADCsPublishInterval(uint32_t interval);
         void setADCsPublishEnabled(bool enabled);
         uint8_t registerADCConversionCallback(std::function<void(uint8_t, uint16_t)> callback);
-        void deregisterADCConversionCallback(uint8_t handler);
+        void unregisterADCConversionCallback(uint8_t handler);
         void setADCConversionInterval(uint8_t pin, uint16_t interval);
         void setADCConversionEnabled(uint8_t pin, bool enabled);
         bool processADCSetConversionIntervalMessage(char *topic, char *payload, uint8_t topic_length);

ESPMegaPRO-firmware/lib/ESPMegaPRO/DigitalOutputCard.cpp

@@ -107,7 +107,7 @@ uint8_t DigitalOutputCard::registerChangeCallback(std::function<void(uint8_t, bo
     return this->callbacks_handler_index++;
 }
 
-void DigitalOutputCard::deregisterChangeCallback(uint8_t handler) {
+void DigitalOutputCard::unregisterChangeCallback(uint8_t handler) {
     this->change_callbacks.erase(handler);
 }
 

ESPMegaPRO-firmware/lib/ESPMegaPRO/DigitalOutputCard.hpp

@@ -49,8 +49,8 @@ public:
     uint16_t getValue(uint8_t pin);
     // Register a callback function that will be called when the state of a pin changes
     uint8_t registerChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback);
-    // Deregister the callback function
+    // Unregister the callback function
-    void deregisterChangeCallback(uint8_t handler);
+    void unregisterChangeCallback(uint8_t handler);
     // Load a new pin map
     void loadPinMap(uint8_t pinMap[16]);  
     // Bind the fram object to the card

ESPMegaPRO-firmware/lib/ESPMegaPRO/DigitalOutputIoT.cpp

@@ -166,7 +166,7 @@ void DigitalOutputIoT::registerChangeCallback(std::function<void(uint8_t, bool,
     value_change_callback = callback;
 }
 
-void DigitalOutputIoT::deregisterChangeCallback() {
+void DigitalOutputIoT::unregisterChangeCallback() {
     value_change_callback = NULL;
 }
 

ESPMegaPRO-firmware/lib/ESPMegaPRO/DigitalOutputIoT.hpp

@@ -16,7 +16,7 @@ class DigitalOutputIoT : public IoTComponent {
         void setDigitalOutputsPublishEnabled(bool enabled);
         void handleValueChange(uint8_t pin, bool state, uint16_t value);
         void registerChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback);
-        void deregisterChangeCallback();
+        void unregisterChangeCallback();
         void publishReport();
         void subscribe();
         void loop();

ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaDisplay.cpp

@@ -409,10 +409,10 @@ uint16_t ESPMegaDisplay::registerTouchCallback(std::function<void(uint8_t, uint8
 }
 
 /**
- * @brief Deregisters a callback function for touch events.
+ * @brief Unregisters a callback function for touch events.
  * @param handle The handle of the callback function.
  */
-void ESPMegaDisplay::deregisterTouchCallback(uint16_t handle)
+void ESPMegaDisplay::unregisterTouchCallback(uint16_t handle)
 {
     touch_callbacks.erase(handle);
 }
@@ -430,10 +430,10 @@ uint16_t ESPMegaDisplay::registerPageChangeCallback(std::function<void(uint8_t)>
 }
 
 /**
- * @brief Deregisters a callback function for page change events.
+ * @brief Unregisters a callback function for page change events.
  * @param handle The handle of the callback function.
  */
-void ESPMegaDisplay::deregisterPageChangeCallback(uint16_t handle)
+void ESPMegaDisplay::unregisterPageChangeCallback(uint16_t handle)
 {
     page_change_callbacks.erase(handle);
 }

ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaDisplay.hpp

@@ -21,9 +21,9 @@ class ESPMegaDisplay
         bool getStringToBuffer(const char* component, char* buffer, uint8_t buffer_size);
         uint32_t getNumber(const char* component);
         uint16_t registerTouchCallback(std::function<void(uint8_t, uint8_t, uint8_t)> callback);
-        void deregisterTouchCallback(uint16_t handle);
+        void unregisterTouchCallback(uint16_t handle);
         uint16_t registerPageChangeCallback(std::function<void(uint8_t)> callback);
-        void deregisterPageChangeCallback(uint16_t handle);
+        void unregisterPageChangeCallback(uint16_t handle);
         
     protected:
         uint8_t currentPage;

ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaIoT.cpp

@@ -127,7 +127,7 @@ void ESPMegaIoT::registerCard(uint8_t card_id)
         return;
     }
 }
-void ESPMegaIoT::deregisterCard(uint8_t card_id)
+void ESPMegaIoT::unregisterCard(uint8_t card_id)
 {
     // Check if the card is registered
     if (components[card_id] == NULL)

ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaIoT.hpp

@@ -53,7 +53,7 @@ public:
     void intr_begin(ExpansionCard *cards[]);
     void loop();
     void registerCard(uint8_t card_id);
-    void deregisterCard(uint8_t card_id);
+    void unregisterCard(uint8_t card_id);
     void publishCard(uint8_t card_id);
     // Publish topic appended with base topic
     void publishRelative(char *topic, char *payload);

ESPMegaPRO-firmware/lib/ESPMegaPRO/InternalDisplay.cpp

@@ -1,7 +1,7 @@
 #include <InternalDisplay.hpp>
 
-
+void InternalDisplay::begin(ESPMegaIoT *iot, std::function<rtctime_t()> getRtcTime)
-void InternalDisplay::begin(ESPMegaIoT *iot, std::function<rtctime_t()> getRtcTime) {
+{
     this->iot = iot;
     this->getRtcTime = getRtcTime;
     this->mqttConfig = this->iot->getMqttConfig();
@@ -11,10 +11,6 @@ void InternalDisplay::begin(ESPMegaIoT *iot, std::function<rtctime_t()> getRtcTi
     this->registerPageChangeCallback(bindedPageChangeCallback);
     auto bindedTouchCallback = std::bind(&InternalDisplay::handleTouch, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
     this->registerTouchCallback(bindedTouchCallback);
-    auto bindedInputStateChangeCallback = std::bind(&InternalDisplay::handleInputStateChange, this, std::placeholders::_1, std::placeholders::_2);
-    auto bindedPwmStateChangeCallback = std::bind(&InternalDisplay::handlePwmStateChange, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
-    this->inputCard->registerCallback(bindedInputStateChangeCallback);
-    this->outputCard->registerChangeCallback(bindedPwmStateChangeCallback);
     // Initialize the display
     this->displayAdapter->begin(115200);
     this->displayAdapter->setTimeout(100);
@@ -24,79 +20,91 @@ void InternalDisplay::begin(ESPMegaIoT *iot, std::function<rtctime_t()> getRtcTi
     this->jumpToPage(1);
 }
 
-
+void InternalDisplay::loop()
-void InternalDisplay::loop() {
+{
     // Keep reading the Serial Adapter
     this->recieveSerialCommand();
 
     // Refresh the top bar every 5 seconds
     static uint32_t lastTopBarRefresh;
-    if (millis() - lastTopBarRefresh > INTERNAL_DISPLAY_TOP_BAR_REFRESH_INTERVAL) {
+    if (millis() - lastTopBarRefresh > INTERNAL_DISPLAY_TOP_BAR_REFRESH_INTERVAL)
+    {
         this->updateStatusIcons(this->iot->networkConnected(), this->iot->mqttConnected());
         lastTopBarRefresh = millis();
     }
     // Refresh the clock every 10 seconds
     static uint32_t lastClockRefresh;
-    if (millis() - lastClockRefresh > INTERNAL_DISPLAY_CLOCK_REFRESH_INTERVAL) {
+    if (millis() - lastClockRefresh > INTERNAL_DISPLAY_CLOCK_REFRESH_INTERVAL)
+    {
         this->updateClock();
         lastClockRefresh = millis();
     }
 }
 
-
+void InternalDisplay::handleInputStateChange(uint8_t pin, bool state)
-
+{
-void InternalDisplay::handleInputStateChange(uint8_t pin, bool state) {
     // If the input card is binded to the display and the current page is the input page
     // then update the respective input component
-    if (this->inputCard!=nullptr || this->currentPage != INTERNAL_DISPLAY_INPUT_PAGE) return;
+    if (this->inputCard != nullptr || this->currentPage != INTERNAL_DISPLAY_INPUT_PAGE)
+        return;
     // Update the input state
     this->setInputMarker(pin, state);
 }
 
-void InternalDisplay::handlePwmStateChange(uint8_t pin, bool state, uint16_t value) {
+void InternalDisplay::handlePwmStateChange(uint8_t pin, bool state, uint16_t value)
+{
     // If the output card is binded to the display and the current page is the output page
     // then update the respective output component
-    if (this->outputCard!=nullptr || this->currentPage != INTERNAL_DISPLAY_OUTPUT_PAGE) return;
+    if (this->outputCard != nullptr || this->currentPage != INTERNAL_DISPLAY_OUTPUT_PAGE)
+        return;
     // Update the output state
     this->setOutputBar(pin, value);
     this->setOutputStateColor(pin, state);
     // Refresh the PWM Adjustment page if the current page is the PWM Adjustment page and the pin is the same
-    if (this->currentPage == INTERNAL_DISPLAY_PWM_ADJUSTMENT_PAGE && this->pmwAdjustmentPin == pin) {
+    if (this->currentPage == INTERNAL_DISPLAY_PWM_ADJUSTMENT_PAGE && this->pmwAdjustmentPin == pin)
+    {
         this->refreshPWMAdjustment();
     }
 }
 
-void InternalDisplay::handlePageChange(uint8_t page) {
+void InternalDisplay::handlePageChange(uint8_t page)
+{
     // Refresh the page
     this->refreshPage(page);
 }
 
-void InternalDisplay::saveNetworkConfig() {
+void InternalDisplay::saveNetworkConfig()
+{
     // TODO: implementation
 }
 
-void InternalDisplay::saveMQTTConfig() {
+void InternalDisplay::saveMQTTConfig()
+{
     // TODO: implementation
 }
 
-void InternalDisplay::updateStatusIcons(bool networkStatus, bool mqttStatus) {
+void InternalDisplay::updateStatusIcons(bool networkStatus, bool mqttStatus)
+{
     this->setNumber("server.pic", mqttStatus ? PIC_MQTT_CONNECTED : PIC_MQTT_DISCONNECTED);
     this->setNumber("lan.pic", networkStatus ? PIC_LAN_CONNECTED : PIC_LAN_DISCONNECTED);
 }
 
-void InternalDisplay::updateClock() {
+void InternalDisplay::updateClock()
+{
     rtctime_t time = this->getRtcTime();
-    this->displayAdapter->printf("time.txt=\"%02d:%02d %s\"", time.hours%12, time.minutes, time.hours/12 ? "PM" : "AM");
+    this->displayAdapter->printf("time.txt=\"%02d:%02d %s\"", time.hours % 12, time.minutes, time.hours / 12 ? "PM" : "AM");
     this->sendStopBytes();
-
 }
 
-void InternalDisplay::refreshPage() {
+void InternalDisplay::refreshPage()
+{
     this->refreshPage(this->currentPage);
 }
 
-void InternalDisplay::refreshPage(uint8_t page) {
+void InternalDisplay::refreshPage(uint8_t page)
-    switch (page) {
+{
+    switch (page)
+    {
     case INTERNAL_DISPLAY_DASHBOARD_PAGE:
         this->refreshDashboard();
         break;
@@ -107,7 +115,8 @@ void InternalDisplay::refreshPage(uint8_t page) {
         this->refreshOutput();
         break;
     case INTERNAL_DISPLAY_AC_PAGE:
-            if (this->climateCard == nullptr) {
+        if (this->climateCard == nullptr)
+        {
             this->jumpToPage(INTERNAL_DISPLAY_CLIMATE_NULL_PTR_PAGE);
             break;
         }
@@ -127,7 +136,8 @@ void InternalDisplay::refreshPage(uint8_t page) {
     }
 }
 
-void InternalDisplay::refreshDashboard() {
+void InternalDisplay::refreshDashboard()
+{
     // The dashboard have the following components:
     // 1. Hostname
     // 2. IP Address
@@ -147,20 +157,25 @@ void InternalDisplay::refreshDashboard() {
     this->setString("status_txt.txt", this->iot->mqttConnected() ? MSG_MQTT_CONNECTED : MSG_MQTT_DISCONNECTED);
 }
 
-void InternalDisplay::refreshInput() {
+void InternalDisplay::refreshInput()
-    for (uint8_t i=0; i<16; i++) {
+{
+    for (uint8_t i = 0; i < 16; i++)
+    {
         this->setInputMarker(i, this->inputCard->digitalRead(i, false));
     }
 }
 
-void InternalDisplay::refreshOutput() {
+void InternalDisplay::refreshOutput()
-    for (uint8_t i=0; i<16; i++) {
+{
+    for (uint8_t i = 0; i < 16; i++)
+    {
         this->setOutputBar(i, this->outputCard->getValue(i));
         this->setOutputStateColor(i, this->outputCard->getState(i));
     }
 }
 
-void InternalDisplay::refreshAC() {
+void InternalDisplay::refreshAC()
+{
     this->displayAdapter->print("temp.txt=\"");
     this->displayAdapter->print(this->climateCard->getTemperature());
     this->displayAdapter->print("C\"");
@@ -186,7 +201,8 @@ void InternalDisplay::refreshAC() {
     this->displayAdapter->print("mode_cool.pic=");
     this->displayAdapter->print(this->climateCard->getMode() == AC_MODE_COOL ? PIC_AC_MODE_COOL_ACTIVE : PIC_AC_MODE_COOL_INACTIVE);
     this->sendStopBytes();
-    if (this->climateCard->getSensorType() == AC_SENSOR_TYPE_DHT22) {
+    if (this->climateCard->getSensorType() == AC_SENSOR_TYPE_DHT22)
+    {
         this->displayAdapter->print("roomtemp.txt=\"");
         this->displayAdapter->print(this->climateCard->getRoomTemperature());
         this->displayAdapter->print("C\"");
@@ -196,46 +212,51 @@ void InternalDisplay::refreshAC() {
         this->displayAdapter->print("%\"");
         this->sendStopBytes();
     }
-    else if(this->climateCard->getSensorType() == AC_SENSOR_TYPE_DS18B20) {
+    else if (this->climateCard->getSensorType() == AC_SENSOR_TYPE_DS18B20)
+    {
         this->displayAdapter->print("roomtemp.txt=\"");
         this->displayAdapter->print(this->climateCard->getRoomTemperature());
         this->displayAdapter->print("C\"");
         this->sendStopBytes();
         this->setString("roomhumid.txt", "N/A");
     }
-    else {
+    else
+    {
         this->setString("roomtemp.txt", "N/A");
         this->setString("roomhumid.txt", "N/A");
     }
 }
 
-void InternalDisplay::setOutputBar(uint8_t pin, uint16_t value) {
+void InternalDisplay::setOutputBar(uint8_t pin, uint16_t value)
+{
     // Write the value to the output bar
     this->displayAdapter->print("j");
     this->displayAdapter->print(pin);
     this->displayAdapter->print(".val=");
-    this->displayAdapter->print((int)(value*100/4095));
+    this->displayAdapter->print((int)(value * 100 / 4095));
     this->sendStopBytes();
 }
 
-void InternalDisplay::setOutputStateColor(uint8_t pin, bool state) {
+void InternalDisplay::setOutputStateColor(uint8_t pin, bool state)
+{
     this->displayAdapter->print("j");
     this->displayAdapter->print(pin);
     this->displayAdapter->print(".ppic=");
     this->displayAdapter->print(state ? PIC_PWM_BAR_ON : PIC_PWM_BAR_OFF);
     this->sendStopBytes();
-
 }
 
-void InternalDisplay::setInputMarker(uint8_t pin, bool state) {
+void InternalDisplay::setInputMarker(uint8_t pin, bool state)
+{
     this->displayAdapter->print("I");
     this->displayAdapter->print(pin);
     this->displayAdapter->print(".val=");
-    this->displayAdapter->print(state ? 0:1);
+    this->displayAdapter->print(state ? 0 : 1);
     this->sendStopBytes();
 }
 
-InternalDisplay::InternalDisplay(HardwareSerial *displayAdapter) : ESPMegaDisplay(displayAdapter) {
+InternalDisplay::InternalDisplay(HardwareSerial *displayAdapter) : ESPMegaDisplay(displayAdapter)
+{
     this->currentPage = INTERNAL_DISPLAY_DASHBOARD_PAGE;
     this->iot = nullptr;
     this->inputCard = nullptr;
@@ -244,24 +265,73 @@ InternalDisplay::InternalDisplay(HardwareSerial *displayAdapter) : ESPMegaDispla
     this->pmwAdjustmentPin = 0;
 }
 
-void InternalDisplay::bindInputCard(DigitalInputCard *inputCard) {
+void InternalDisplay::bindInputCard(DigitalInputCard *inputCard)
+{
+    // Check if the input card is already binded
+    // If it is, then unbind it first
+    if (this->inputCard != nullptr)
+        this->unbindInputCard();
     this->inputCard = inputCard;
+    auto bindedInputStateChangeCallback =
+        std::bind(&InternalDisplay::handleInputStateChange, this,
+                  std::placeholders::_1, std::placeholders::_2);
+    this->bindedInputCardCallbackHandler =
+        this->inputCard->registerCallback(bindedInputStateChangeCallback);
 }
 
-void InternalDisplay::bindOutputCard(DigitalOutputCard *outputCard) {
+void InternalDisplay::unbindInputCard()
+{
+    if (this->inputCard == nullptr)
+        return;
+    this->inputCard->unregisterCallback(this->bindedInputCardCallbackHandler);
+    this->inputCard = nullptr;
+}
+
+void InternalDisplay::bindOutputCard(DigitalOutputCard *outputCard)
+{
+    // Check if the output card is already binded
+    // If it is, then unbind it first
+    if (this->outputCard != nullptr)
+        this->unbindOutputCard();
     this->outputCard = outputCard;
+    auto bindedPwmStateChangeCallback = std::bind(&InternalDisplay::handlePwmStateChange, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
+    this->bindedOutputCardCallbackHandler =
+        this->outputCard->registerChangeCallback(bindedPwmStateChangeCallback);
+}
+
+void InternalDisplay::unbindOutputCard()
+{
+    if (this->outputCard == nullptr)
+        return;
+    this->outputCard->unregisterChangeCallback(this->bindedOutputCardCallbackHandler);
+    this->outputCard = nullptr;
 }
 
 // This assume that your ClimeateCard has the mode and fan speed names in the following order:
 // mode: [off, fan_only, cool]
 // fan_speed: [auto, low, medium, high]
-void InternalDisplay::bindClimateCard(ClimateCard *climateCard) {
+void InternalDisplay::bindClimateCard(ClimateCard *climateCard)
+{   
+    // Check if the climate card is already binded
+    // If it is, then unbind it first
+    if (this->climateCard != nullptr)
+        this->unbindClimateCard();
     this->climateCard = climateCard;
     auto bindedACStateChangeCallback = std::bind(&InternalDisplay::handleACStateChange, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
+    this->bindedClimateCardCallbackHandler =
         this->climateCard->registerChangeCallback(bindedACStateChangeCallback);
 }
 
-void InternalDisplay::refreshPWMAdjustment() {
+void InternalDisplay::unbindClimateCard()
+{
+    if (this->climateCard == nullptr)
+        return;
+    this->climateCard->unregisterChangeCallback(this->bindedClimateCardCallbackHandler);
+    this->climateCard = nullptr;
+}
+
+void InternalDisplay::refreshPWMAdjustment()
+{
     // The PWM Adjustment page have the following components:
     // pwm_value -> a slider to adjust the PWM value
     // pwm_state -> a button to toggle the PWM state
@@ -275,7 +345,8 @@ void InternalDisplay::refreshPWMAdjustment() {
     this->refreshPWMAdjustmentState();
 }
 
-void InternalDisplay::refreshPWMAdjustmentId() {
+void InternalDisplay::refreshPWMAdjustmentId()
+{
     // Send the PWM pin
     this->displayAdapter->print("pwm_id.txt=\"P");
     this->displayAdapter->print(pmwAdjustmentPin);
@@ -283,14 +354,16 @@ void InternalDisplay::refreshPWMAdjustmentId() {
     this->sendStopBytes();
 }
 
-void InternalDisplay::refreshPWMAdjustmentSlider() {
+void InternalDisplay::refreshPWMAdjustmentSlider()
+{
     // Send the PWM value
     this->displayAdapter->print("pwm_value.val=");
     this->displayAdapter->print(this->outputCard->getValue(this->pmwAdjustmentPin));
     this->sendStopBytes();
 }
 
-void InternalDisplay::refreshPWMAdjustmentState() {
+void InternalDisplay::refreshPWMAdjustmentState()
+{
     // Send the PWM state
     this->displayAdapter->print("pwm_state.txt=\"");
     this->displayAdapter->print(this->outputCard->getState(this->pmwAdjustmentPin) ? MSG_PWM_ADJUSTMENT_STATE_ON : MSG_PWM_ADJUSTMENT_STATE_OFF);
@@ -298,9 +371,11 @@ void InternalDisplay::refreshPWMAdjustmentState() {
     this->sendStopBytes();
 }
 
-void InternalDisplay::handleTouch(uint8_t page, uint8_t component, uint8_t type) {
+void InternalDisplay::handleTouch(uint8_t page, uint8_t component, uint8_t type)
+{
     // Switch based on the page
-    switch (page) {
+    switch (page)
+    {
     case INTERNAL_DISPLAY_AC_PAGE:
         this->handleACTouch(type, component);
         break;
@@ -312,7 +387,8 @@ void InternalDisplay::handleTouch(uint8_t page, uint8_t component, uint8_t type)
     }
 }
 
-void InternalDisplay::handleACTouch(uint8_t type, uint8_t component) {
+void InternalDisplay::handleACTouch(uint8_t type, uint8_t component)
+{
     // b1 [component 18] -> inclement AC temperature by 1
     // b0 [component 17] -> declement AC temperature by 1
     // fan_auto [component 4] -> set the fan speed to auto
@@ -325,11 +401,14 @@ void InternalDisplay::handleACTouch(uint8_t type, uint8_t component) {
 
     // For b0 and b1, if the type is not release then return
     // For other components, if the type is not press then return
-    if ((component == 17 || component == 18) && type != TOUCH_TYPE_RELEASE) return;
+    if ((component == 17 || component == 18) && type != TOUCH_TYPE_RELEASE)
-    if ((component != 17 && component != 18) && type != TOUCH_TYPE_PRESS) return;
+        return;
+    if ((component != 17 && component != 18) && type != TOUCH_TYPE_PRESS)
+        return;
 
     // Switch based on the component
-    switch (component) {
+    switch (component)
+    {
     case 17:
         // Decrement the temperature
         this->climateCard->setTemperature(this->climateCard->getTemperature() - 1);
@@ -371,16 +450,19 @@ void InternalDisplay::handleACTouch(uint8_t type, uint8_t component) {
     }
 }
 
-void InternalDisplay::handlePWMAdjustmentTouch(uint8_t type, uint8_t component) {
+void InternalDisplay::handlePWMAdjustmentTouch(uint8_t type, uint8_t component)
+{
     // b0 [component 5] -> decrement the PWM id if its greater than 0, else set it to 15
     // b1  [component 6] -> increment the PWM id if its less than 15, else set it to 0
     // pwm_state [component 4] -> toggle the PWM state
     // pwm_value [component 1] -> set the PWM value based on the slider value
     // If the type is not release then return
-    if (type != TOUCH_TYPE_RELEASE) return;
+    if (type != TOUCH_TYPE_RELEASE)
+        return;
     uint16_t val = 0;
     // switch based on the component
-    switch (component) {
+    switch (component)
+    {
     case 5:
         // Decrement the PWM id
         this->pmwAdjustmentPin = this->pmwAdjustmentPin > 0 ? this->pmwAdjustmentPin - 1 : 15;
@@ -398,7 +480,7 @@ void InternalDisplay::handlePWMAdjustmentTouch(uint8_t type, uint8_t component)
         break;
     case 1:
         // Set the PWM value
-            val = (uint16_t)this -> getNumber("pwm_value.val");
+        val = (uint16_t)this->getNumber("pwm_value.val");
         this->outputCard->setValue(this->pmwAdjustmentPin, val);
         break;
     default:
@@ -406,7 +488,8 @@ void InternalDisplay::handlePWMAdjustmentTouch(uint8_t type, uint8_t component)
     }
 }
 
-void InternalDisplay::refreshNetworkConfig() {
+void InternalDisplay::refreshNetworkConfig()
+{
     // The network config page have the following components:
     // ip_set -> a text input to set the ip address
     // netmask_set -> a text input to set the netmask
@@ -441,7 +524,8 @@ void InternalDisplay::refreshNetworkConfig() {
     this->sendStopBytes();
 }
 
-void InternalDisplay::refreshMQTTConfig() {
+void InternalDisplay::refreshMQTTConfig()
+{
     // The MQTT config page have the following components:
     // mqttsv_set -> a text input to set the mqtt server
     // port_set -> a text input to set the mqtt port
@@ -480,7 +564,8 @@ void InternalDisplay::refreshMQTTConfig() {
     this->sendStopBytes();
 }
 
-void InternalDisplay::sendIpToDisplay(IPAddress ip) {
+void InternalDisplay::sendIpToDisplay(IPAddress ip)
+{
     // Send the ip address
     this->displayAdapter->print(ip[0]);
     this->displayAdapter->print(".");
@@ -491,11 +576,13 @@ void InternalDisplay::sendIpToDisplay(IPAddress ip) {
     this->displayAdapter->print(ip[3]);
 }
 
-void InternalDisplay::handleACStateChange(uint8_t mode, uint8_t fan_speed, uint8_t temperature) {
+void InternalDisplay::handleACStateChange(uint8_t mode, uint8_t fan_speed, uint8_t temperature)
+{
     // If the climate card is binded to the display and the current page is the AC page
     // then update the respective AC component
     Serial.println("AC state changed");
-    if (this->climateCard==nullptr || this->currentPage != INTERNAL_DISPLAY_AC_PAGE) return;
+    if (this->climateCard == nullptr || this->currentPage != INTERNAL_DISPLAY_AC_PAGE)
+        return;
     this->sendStopBytes();
     // Update the AC state
     this->refreshAC();

ESPMegaPRO-firmware/lib/ESPMegaPRO/InternalDisplay.hpp

@@ -73,8 +73,15 @@ class InternalDisplay : public ESPMegaDisplay {
         void bindInputCard(DigitalInputCard *inputCard);
         void bindOutputCard(DigitalOutputCard *outputCard);
         void bindClimateCard(ClimateCard *climateCard);
+        void unbindInputCard();
+        void unbindOutputCard();
+        void unbindClimateCard();
         
     private:
+        uint8_t bindedInputCardCallbackHandler;
+        uint8_t bindedOutputCardCallbackHandler;
+        uint8_t bindedClimateCardCallbackHandler;
+        uint8_t bindedClimateCardSensorCallbackHandler;
         DigitalInputCard *inputCard;
         DigitalOutputCard *outputCard;
         ClimateCard *climateCard;