Version 1.3.1

Fixed an error of the unsupported WiFi protocol bitmap for ESP32-C2 and ESP8266.

include/zh_espnow.h

@@ -16,7 +16,8 @@
         .queue_size = 64,               \
         .wifi_interface = WIFI_IF_STA,  \
         .wifi_channel = 1,              \
-        .attempts = 3}
+        .attempts = 3,                  \
+        .battery_mode = false}
 
 #ifdef __cplusplus
 extern "C"
@@ -31,6 +32,7 @@ extern "C"
         wifi_interface_t wifi_interface; // WiFi interface (STA or AP) used for ESP-NOW operation. @note The MAC address of the device depends on the selected WiFi interface.
         uint8_t wifi_channel;            // Wi-Fi channel uses to send/receive ESP-NOW data. @note Values from 1 to 14.
         uint8_t attempts;                // Maximum number of attempts to send a message. @note It is not recommended to set a value greater than 5.
+        bool battery_mode;               // Battery operation mode. If true, the node does not receive messages.
     } zh_espnow_init_config_t;
 
     ESP_EVENT_DECLARE_BASE(ZH_ESPNOW);
@@ -106,7 +108,7 @@ extern "C"
 
     /**
      * @brief Get ESP-NOW version.
-     * 
+     *
      * @return
      *              - ESP-NOW version
      */

version.txt

@@ -1 +1 @@
-1.2.0
+1.3.1

zh_espnow.c

@@ -73,13 +73,28 @@ esp_err_t zh_espnow_init(const zh_espnow_init_config_t *config)
             ESP_LOGW(TAG, "ESP-NOW initialization warning. The device is connected to the router. Channel %d will be used for ESP-NOW.", prim);
         }
     }
+#if defined CONFIG_IDF_TARGET_ESP8266 || CONFIG_IDF_TARGET_ESP32C2
+    esp_wifi_set_protocol(_init_config.wifi_interface, WIFI_PROTOCOL_11B);
+#else
     esp_wifi_set_protocol(_init_config.wifi_interface, WIFI_PROTOCOL_11B | WIFI_PROTOCOL_LR);
+#endif
     _event_group_handle = xEventGroupCreate();
     _queue_handle = xQueueCreate(_init_config.queue_size, sizeof(_queue_t));
-    if (esp_now_init() != ESP_OK || esp_now_register_send_cb(_send_cb) != ESP_OK || esp_now_register_recv_cb(_recv_cb) != ESP_OK)
+    if (_init_config.battery_mode == false)
     {
-        ESP_LOGE(TAG, "ESP-NOW initialization fail. Internal error at line %d.", __LINE__);
-        return ESP_FAIL;
+        if (esp_now_init() != ESP_OK || esp_now_register_send_cb(_send_cb) != ESP_OK || esp_now_register_recv_cb(_recv_cb) != ESP_OK)
+        {
+            ESP_LOGE(TAG, "ESP-NOW initialization fail. Internal error at line %d.", __LINE__);
+            return ESP_FAIL;
+        }
+    }
+    else
+    {
+        if (esp_now_init() != ESP_OK || esp_now_register_send_cb(_send_cb) != ESP_OK)
+        {
+            ESP_LOGE(TAG, "ESP-NOW initialization fail. Internal error at line %d.", __LINE__);
+            return ESP_FAIL;
+        }
     }
     if (xTaskCreatePinnedToCore(&_processing, "zh_espnow_processing", _init_config.stack_size, NULL, _init_config.task_priority, &_processing_task_handle, tskNO_AFFINITY) != pdPASS)
     {
@@ -102,7 +117,10 @@ esp_err_t zh_espnow_deinit(void)
     vEventGroupDelete(_event_group_handle);
     vQueueDelete(_queue_handle);
     esp_now_unregister_send_cb();
-    esp_now_unregister_recv_cb();
+    if (_init_config.battery_mode == false)
+    {
+        esp_now_unregister_recv_cb();
+    }
     esp_now_deinit();
     vTaskDelete(_processing_task_handle);
     _is_initialized = false;