Component to provide button number

components/tx_ultimate_easy/__init__.py

@@ -13,6 +13,7 @@ DEPENDENCIES = ['uart']
 CONF_TX_ULTIMATE_EASY = "tx_ultimate_easy"
 
 CONF_UART = "uart"
+CONF_GANG_COUNT = "gang_count"
 
 CONF_ON_TOUCH_EVENT = "on_touch_event"
 CONF_ON_PRESS = "on_press"
@@ -33,6 +34,7 @@ CONFIG_SCHEMA = cv.Schema({
     cv.GenerateID(): cv.declare_id(TxUltimateTouch),
 
     cv.Required(CONF_UART): cv.use_id(uart),
+    cv.Optional(CONF_GANG_COUNT, default=1): cv.int_range(min=1, max=4),
 
     cv.Optional(CONF_ON_TOUCH_EVENT): automation.validate_automation(single=True),
     cv.Optional(CONF_ON_PRESS): automation.validate_automation(single=True),
@@ -49,6 +51,9 @@ async def register_tx_ultimate_easy(var, config):
     uart_component = await cg.get_variable(config[CONF_UART])
     cg.add(var.set_uart_component(uart_component))
 
+    if CONF_GANG_COUNT in config:
+        cg.add(var.set_gang_count(config[CONF_GANG_COUNT]))
+
     if CONF_ON_TOUCH_EVENT in config:
         await automation.build_automation(
             var.get_trigger_touch_event(),

components/tx_ultimate_easy/tx_ultimate_easy.cpp

@@ -48,6 +48,30 @@ namespace esphome {
 
         void TxUltimateEasy::dump_config() {
             ESP_LOGCONFIG(TAG, "TX Ultimate Easy");
+            ESP_LOGCONFIG(TAG, "  Gang count: %" PRIu8, this->gang_count_);
+        }
+
+        bool TxUltimateEasy::set_gang_count(const uint8_t gang_count) {
+            if (gang_count < 1 or gang_count > 4)
+                return false;
+            this->gang_count_ = gang_count;
+            return true;
+        }
+
+        uint8_t TxUltimateEasy::get_button_from_position(const uint8_t position) {
+            if (position > TOUCH_MAX_POSITION)  // Invalid position
+                return 0;
+            if (this->gang_count_ == 1)  // For 1 Gang model, any position is button 1
+                return 1;
+            if (this->gang_count_ < 1 or this->gang_count_ > 4)  // Invalid gang count
+                return 0;
+            const uint8_t width = TOUCH_MAX_POSITION / this->gang_count_; // Width of each button region
+            if (width < 1 or width > this->gang_count_)  // Invalid width - and prevents division by zero
+                return 0;
+            uint8_t button = (position / width) + 1; // Determine button region
+            if (button > this->gang_count_)
+              button = this->gang_count_; // Clamp to max button count
+            return button;
         }
 
         void TxUltimateEasy::send_touch_(TouchPoint tp) {
@@ -133,6 +157,8 @@ namespace esphome {
         TouchPoint TxUltimateEasy::get_touch_point(const std::array<int, UART_RECEIVED_BYTES_SIZE> &uart_received_bytes) {
             TouchPoint tp;
             tp.x = this->get_touch_position_x(uart_received_bytes);
+            if (tp.x >= 0)
+                tp.button = this->get_button_from_position(static_cast<uint8_t>(tp.x));
             tp.state = this->get_touch_state(uart_received_bytes);
             switch (tp.state) {
                 case TOUCH_STATE_RELEASE:

components/tx_ultimate_easy/tx_ultimate_easy.h

@@ -13,6 +13,9 @@
 
 namespace esphome {
     namespace tx_ultimate_easy {
+        // Touch Max Position
+        constexpr uint8_t TOUCH_MAX_POSITION = 10;
+
         // Touch State Constants
         constexpr uint8_t TOUCH_STATE_RELEASE = 0x01;
         constexpr uint8_t TOUCH_STATE_PRESS = 0x02;
@@ -32,6 +35,7 @@ namespace esphome {
         static const char *TAG = "tx_ultimate_easy";
 
         struct TouchPoint {
+            uint8_t button = 0;
             int8_t x = -1;
             int8_t state = -1;
             std::string state_str = "Unknown";
@@ -53,6 +57,10 @@ namespace esphome {
             void loop() override;
             void dump_config() override;
 
+            uint8_t get_gang_count() { return this->gang_count_; }
+            bool set_gang_count(const uint8_t gang_count);
+            uint8_t get_button_from_position(const uint8_t position);
+
         protected:
             void send_touch_(TouchPoint tp);
             void handle_touch(const std::array<int, UART_RECEIVED_BYTES_SIZE> &bytes);
@@ -70,6 +78,8 @@ namespace esphome {
             Trigger<TouchPoint> trigger_multi_touch_release_;
             Trigger<TouchPoint> trigger_long_touch_release_;
 
+            uint8_t gang_count_ = 1;
+
         }; // class TxUltimateEasy
 
     } // namespace tx_ultimate_easy