[espnow] Small changes and fixes (#10014)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/espnow/__init__.py

@@ -65,15 +65,6 @@ CONF_WAIT_FOR_SENT = "wait_for_sent"
 MAX_ESPNOW_PACKET_SIZE = 250  # Maximum size of the payload in bytes
 
 
-def _validate_unknown_peer(config):
-    if config[CONF_AUTO_ADD_PEER] and config.get(CONF_ON_UNKNOWN_PEER):
-        raise cv.Invalid(
-            f"'{CONF_ON_UNKNOWN_PEER}' cannot be used when '{CONF_AUTO_ADD_PEER}' is enabled.",
-            path=[CONF_ON_UNKNOWN_PEER],
-        )
-    return config
-
-
 CONFIG_SCHEMA = cv.All(
     cv.Schema(
         {
@@ -103,7 +94,6 @@ CONFIG_SCHEMA = cv.All(
         },
     ).extend(cv.COMPONENT_SCHEMA),
     cv.only_on_esp32,
-    _validate_unknown_peer,
 )
 
 
@@ -124,7 +114,6 @@ async def _trigger_to_code(config):
 
 
 async def to_code(config):
-    print(config)
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)
 

esphome/components/espnow/automation.h

@@ -40,20 +40,20 @@ template<typename... Ts> class SendAction : public Action<Ts...>, public Parente
     this->num_running_++;
     send_callback_t send_callback = [this, x...](esp_err_t status) {
       if (status == ESP_OK) {
-        if (this->sent_.empty() && this->flags_.wait_for_sent) {
-          this->play_next_(x...);
-        } else if (!this->sent_.empty()) {
+        if (!this->sent_.empty()) {
           this->sent_.play(x...);
+        } else if (this->flags_.wait_for_sent) {
+          this->play_next_(x...);
         }
       } else {
-        if (this->error_.empty() && this->flags_.wait_for_sent) {
+        if (!this->error_.empty()) {
+          this->error_.play(x...);
+        } else if (this->flags_.wait_for_sent) {
           if (this->flags_.continue_on_error) {
             this->play_next_(x...);
           } else {
             this->stop_complex();
           }
-        } else if (!this->error_.empty()) {
-          this->error_.play(x...);
         }
       }
     };

esphome/components/espnow/espnow_component.cpp

@@ -154,7 +154,7 @@ void ESPNowComponent::setup() {
 }
 
 void ESPNowComponent::enable() {
-  if (this->state_ != ESPNOW_STATE_ENABLED)
+  if (this->state_ == ESPNOW_STATE_ENABLED)
     return;
 
   ESP_LOGD(TAG, "Enabling");
@@ -178,11 +178,7 @@ void ESPNowComponent::enable_() {
 
     this->apply_wifi_channel();
   }
-#ifdef USE_WIFI
-  else {
-    this->wifi_channel_ = wifi::global_wifi_component->get_wifi_channel();
-  }
-#endif
+  this->get_wifi_channel();
 
   esp_err_t err = esp_now_init();
   if (err != ESP_OK) {
@@ -215,6 +211,7 @@ void ESPNowComponent::enable_() {
   for (auto peer : this->peers_) {
     this->add_peer(peer.address);
   }
+
   this->state_ = ESPNOW_STATE_ENABLED;
 }
 
@@ -228,10 +225,6 @@ void ESPNowComponent::disable() {
   esp_now_unregister_recv_cb();
   esp_now_unregister_send_cb();
 
-  for (auto peer : this->peers_) {
-    this->del_peer(peer.address);
-  }
-
   esp_err_t err = esp_now_deinit();
   if (err != ESP_OK) {
     ESP_LOGE(TAG, "esp_now_deinit failed! 0x%x", err);
@@ -267,7 +260,6 @@ void ESPNowComponent::loop() {
     }
   }
 #endif
-
   // Process received packets
   ESPNowPacket *packet = this->receive_packet_queue_.pop();
   while (packet != nullptr) {
@@ -275,14 +267,16 @@ void ESPNowComponent::loop() {
       case ESPNowPacket::RECEIVED: {
         const ESPNowRecvInfo info = packet->get_receive_info();
         if (!esp_now_is_peer_exist(info.src_addr)) {
-          if (this->auto_add_peer_) {
-            this->add_peer(info.src_addr);
-          } else {
+          bool handled = false;
           for (auto *handler : this->unknown_peer_handlers_) {
-              if (handler->on_unknown_peer(info, packet->packet_.receive.data, packet->packet_.receive.size))
+            if (handler->on_unknown_peer(info, packet->packet_.receive.data, packet->packet_.receive.size)) {
+              handled = true;
               break;  // If a handler returns true, stop processing further handlers
             }
           }
+          if (!handled && this->auto_add_peer_) {
+            this->add_peer(info.src_addr);
+          }
         }
         // Intentionally left as if instead of else in case the peer is added above
         if (esp_now_is_peer_exist(info.src_addr)) {
@@ -343,6 +337,12 @@ void ESPNowComponent::loop() {
   }
 }
 
+uint8_t ESPNowComponent::get_wifi_channel() {
+  wifi_second_chan_t dummy;
+  esp_wifi_get_channel(&this->wifi_channel_, &dummy);
+  return this->wifi_channel_;
+}
+
 esp_err_t ESPNowComponent::send(const uint8_t *peer_address, const uint8_t *payload, size_t size,
                                 const send_callback_t &callback) {
   if (this->state_ != ESPNOW_STATE_ENABLED) {

esphome/components/espnow/espnow_component.h

@@ -110,6 +110,7 @@ class ESPNowComponent : public Component {
 
   void set_wifi_channel(uint8_t channel) { this->wifi_channel_ = channel; }
   void apply_wifi_channel();
+  uint8_t get_wifi_channel();
 
   void set_auto_add_peer(bool value) { this->auto_add_peer_ = value; }