Add functioning power and btaudio switches

example.yaml

@@ -36,3 +36,10 @@ text_sensor:
   - platform: tw7100
     serial:
       name: "Serial number"
+
+switch:
+  - platform: tw7100
+    PWR:
+      name: "Power"
+    BTAUDIO:
+      name: "Bluetooth Audio"

switch/__init__.py

@@ -16,6 +16,9 @@ CONFIG_SCHEMA = cv.Schema(
         cv.Optional("PWR"): switch.switch_schema(
             tw7100Switch
         ),
+        cv.Optional("BTAUDIO"): switch.switch_schema(
+            tw7100Switch
+        ),
     }
 )
 
@@ -27,3 +30,10 @@ async def to_code(config):
         switch_ = await switch.new_switch(config["PWR"])
         cg.add(switch_.set_cmd("PWR"))
         cg.add(switch_.set_tw7100_parent(parent))
+        cg.add(parent.set_set_power(switch_))
+
+    if "BTAUDIO" in config:
+        switch_ = await switch.new_switch(config["BTAUDIO"])
+        cg.add(switch_.set_cmd("BTAUDIO"))
+        cg.add(switch_.set_tw7100_parent(parent))
+        cg.add(parent.set_set_btaudio(switch_))

switch/tw7100_switch.cpp

@@ -15,11 +15,17 @@ void tw7100Switch::dump_config() {
 
 void tw7100Switch::write_state(bool state) {
   static const char *const TAG = "write_state()";
-  ESP_LOGV(TAG, "write switch state for cmd: %s", this->cmd_.c_str());
-  parent_->push_cmd("PWR?");
-  // TODO: actually send something!
-  // TODO: check response before publishing state
-  publish_state(state);
+  ESP_LOGV(TAG, "write switch state for cmd: %s, new state: %i", this->cmd_.c_str(), state);
+  if (cmd_ == "PWR") {
+    std::string param = state ? "ON" : "OFF";
+    ESP_LOGV(TAG, "pushing back cmd %s with param %s", cmd_.c_str(), param.c_str());
+    parent_->push_cmd(cmd_, param);
+  } else if (cmd_ == "BTAUDIO") {
+    char param [3];
+    sprintf(param, "%02d", state);
+    ESP_LOGV(TAG, "pushing back cmd %s with param %s", cmd_.c_str(), param);
+    parent_->push_cmd(cmd_, param);
+  }
 }
 
 }  // namespace tw7100

tw7100.cpp

@@ -9,6 +9,7 @@ namespace tw7100 {
 
 bool waiting_for_answer = false;
 std::deque<std::string> cmd_queue;
+unsigned long last_set_cmd_timestamp;
 
 std::map<int, std::string> sourcelist;
 std::vector<std::string> pwr_off_query_cmds{ "PWR?", "LAMP?" };
@@ -73,15 +74,15 @@ std::vector<std::string> pwr_on_query_cmds{
   "SPEED?",
   "ILLUM?",
   "STANDBYCONF?",
-  "PRODUCT?",
 */
+//  "PRODUCT?",
 //
 // Home Screen settings
 //  "AUTOHOME?", // TODO: implement parser
 // Network settings
 //  "WLPWR?", // TODO: implement parser
 // Bluetooth
-//  "BTAUDIO?", // TODO: implement parser
+  "BTAUDIO?", // TODO: implement parser
 // Information
   "SIGNAL?",
 //  "SOURCELIST?" // Pushed on demand if sensor value is empty (e.g. after boot-up)
@@ -124,13 +125,17 @@ void tw7100Component::loop() {
     std::string response = readStringUntil(':');
 
     if (response == "") { // no response on bus, we can use our time to do something else
-      if (!cmd_queue.empty() && !waiting_for_answer) {
-        waiting_for_answer = true;
+      if (!cmd_queue.empty() && !waiting_for_answer && (millis() - last_set_cmd_timestamp > _timeout_after_cmd)) {
         std::string cmd = cmd_queue.front();
         cmd_queue.pop_front();
         ESP_LOGV(TAG, "sending out command: %s", cmd.c_str());
         write_str((cmd + "\r\n").c_str());
         flush();
+	if (cmd.find("?") != std::string::npos) { // only wait for response on CMD? requests
+          waiting_for_answer = true;
+	} else {
+          last_set_cmd_timestamp = millis();
+	}
       }
     } else { // response found, handle eventual errors
       ESP_LOGV(TAG, "buffer content: %s", response.c_str());
@@ -159,10 +164,13 @@ void tw7100Component::dump_config() {
   this->check_uart_settings(9600);
 };
 
-void tw7100Component::push_cmd(std::string cmd) {
+void tw7100Component::push_cmd(std::string cmd, std::string param) {
   static const char *const TAG = "push_cmd()";
-  cmd_queue.push_front(cmd);
-  ESP_LOGV(TAG, "pushing priority cmd (%s) from external component", cmd.c_str());
+  if (powered_->state) {
+    ESP_LOGV(TAG, "pushing priority cmd (%s) from external component", cmd.c_str());
+    cmd_queue.push_front(cmd + "?");
+    cmd_queue.push_front(cmd + " " + param);
+  }
 }
 
 void tw7100Component::update_sensor(std::pair<std::string, std::string> data) {
@@ -173,6 +181,7 @@ void tw7100Component::update_sensor(std::pair<std::string, std::string> data) {
     ESP_LOGV(TAG, "updating power sensors"); 
     int value = std::stoi(value_string);
     powered_->publish_state(value > 0);
+    power_switch_->publish_state(value > 0); // ack previous cmd or update switch
     power_status_->publish_state(value);
   } else if (cmd == "LAMP") {
     ESP_LOGV(TAG, "updating lamp sensors");
@@ -212,6 +221,10 @@ void tw7100Component::update_sensor(std::pair<std::string, std::string> data) {
     // TODO: if we exceed parse_rounds we most likely encountered a critical issue, inform user somehow
   } else if (cmd == "SNO") {
     serial_->publish_state(value_string);
+  } else if (cmd == "BTAUDIO") {
+    ESP_LOGV(TAG, "updating btaudio switch");
+    int value = std::stoi(value_string);
+    btaudio_switch_->publish_state(value > 0);
   } else {
     ESP_LOGW(TAG, "Command %s unknown, skipping updating sensor with value", cmd.c_str());
   }

tw7100.h

@@ -5,6 +5,7 @@
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/binary_sensor/binary_sensor.h"
 #include "esphome/components/text_sensor/text_sensor.h"
+#include "esphome/components/switch/switch.h"
 #include "esphome/components/uart/uart.h"
 
 namespace esphome {
@@ -14,12 +15,13 @@ class tw7100Component : public PollingComponent, public uart::UARTDevice {
   private:
     unsigned long _max_loop_time = 30;
     unsigned long _readStringUntil_timeout = _max_loop_time/5; // number of milliseconds to wait for the next char before aborting timed read
+    unsigned long _timeout_after_cmd = 1000;
 
   public:
     tw7100Component() = default;
 
     std::string readStringUntil(char terminator);
-    void push_cmd(std::string cmd);
+    void push_cmd(std::string cmd, std::string param);
     void update_sensor(std::pair<std::string, std::string> data);
     std::pair<std::string, std::string> parse_response(std::string data);
     int timedRead(void);
@@ -35,7 +37,8 @@ class tw7100Component : public PollingComponent, public uart::UARTDevice {
     void set_signal_status(sensor::Sensor *signal_status) { this->signal_status_ = signal_status; }
     void set_luminance_level(sensor::Sensor *luminance_level) { this->luminance_level_ = luminance_level; }
     void set_serial(text_sensor::TextSensor *serial) { this->serial_ = serial; }
-    //void set_set_power(tw7100::tw7100Switch *switch_) { this->power_switch_ = switch_; }
+    void set_set_power(switch_::Switch *switch_) { this->power_switch_ = switch_; }
+    void set_set_btaudio(switch_::Switch *switch_) { this->btaudio_switch_ = switch_; }
 
   protected:
     binary_sensor::BinarySensor *powered_{nullptr};
@@ -45,7 +48,8 @@ class tw7100Component : public PollingComponent, public uart::UARTDevice {
     sensor::Sensor *signal_status_{nullptr};
     sensor::Sensor *luminance_level_{nullptr};
     text_sensor::TextSensor *serial_{nullptr};
-    //tw7100::tw7100Switch *power_switch_{nullptr};
+    switch_::Switch *power_switch_{nullptr};
+    switch_::Switch *btaudio_switch_{nullptr};
 };
 
 }  // namespace tw7100