feat: added get/set espnow channel

README.md

@@ -87,6 +87,7 @@ void app_main(void)
     send_message.float_value = 1.234;
     send_message.bool_value = false;
     printf("Used ESP-NOW version %d.\n", zh_espnow_get_version());
+    printf("ESP-NOW channel %d. \n", zh_espnow_get_channel());
     uint8_t counter = 0;
     for (;;)
     {

include/zh_espnow.h

@@ -100,7 +100,7 @@ extern "C"
      *
      * @return ESP_OK if success or an error code otherwise.
      */
-    esp_err_t zh_espnow_send(const uint8_t *target, const uint8_t *data, const uint8_t data_len);
+    esp_err_t zh_espnow_send(const uint8_t *target, const uint8_t *data, const uint16_t data_len);
 
     /**
      * @brief Get ESP-NOW version.
@@ -116,6 +116,50 @@ extern "C"
      */
     const zh_espnow_stats_t *zh_espnow_get_stats(void);
 
+    /**
+     * @brief Reset ESP-NOW statistics.
+     */
+    void zh_espnow_reset_stats(void);
+
+    /**
+     * @brief Check ESP-NOW initialization status.
+     *
+     * @return True if ESP-NOW is initialized false otherwise.
+     */
+    bool zh_espnow_is_initialized(void);
+
+    /**
+     * @brief Get number of attempts.
+     *
+     * @return Attemps number.
+     */
+    uint8_t zh_espnow_get_attempts(void);
+
+    /**
+     * @brief Set number of attempts.
+     *
+     * @param[in] attempts Attemps number.
+     *
+     * @return ESP_OK if success or an error code otherwise.
+     */
+    esp_err_t zh_espnow_set_attempts(uint8_t attempts);
+
+    /**
+     * @brief Get ESP-NOW channel.
+     *
+     * @return ESP-NOW channel if success or 0 otherwise.
+     */
+    uint8_t zh_espnow_get_channel(void);
+
+    /**
+     * @brief Set ESP-NOW channel.
+     *
+     * @param[in] channel ESP-NOW channel (1-14).
+     *
+     * @return ESP_OK if success or an error code otherwise.
+     */
+    esp_err_t zh_espnow_set_channel(uint8_t channel);
+
 #ifdef __cplusplus
 }
 #endif

version.txt

@@ -1 +1 @@
-1.1.0
+1.5.0

zh_espnow.c

@@ -215,7 +215,7 @@ esp_err_t zh_espnow_deinit(void)
     return final_status;
 }
 
-esp_err_t zh_espnow_send(const uint8_t *target, const uint8_t *data, const uint8_t data_len)
+esp_err_t zh_espnow_send(const uint8_t *target, const uint8_t *data, const uint16_t data_len)
 {
     ZH_ESPNOW_LOGI("Adding to queue outgoing ESP-NOW data to MAC %02X:%02X:%02X:%02X:%02X:%02X started.", MAC2STR((target == NULL) ? _broadcast_mac : target));
     if (_is_initialized == false)
@@ -459,7 +459,7 @@ static void _zh_espnow_process_recv(_queue_t *queue)
     ZH_ESPNOW_LOGI("Processing incoming ESP-NOW data from MAC %02X:%02X:%02X:%02X:%02X:%02X started.", MAC2STR(queue->data.mac_addr));
     zh_espnow_event_on_recv_t *recv_data = (zh_espnow_event_on_recv_t *)&queue->data;
     ++_stats.received;
-    esp_err_t err = esp_event_post(ZH_ESPNOW, ZH_ESPNOW_ON_RECV_EVENT, recv_data, recv_data->data_len + sizeof(recv_data->mac_addr) + sizeof(uint8_t), portTICK_PERIOD_MS);
+    esp_err_t err = esp_event_post(ZH_ESPNOW, ZH_ESPNOW_ON_RECV_EVENT, recv_data, sizeof(zh_espnow_event_on_recv_t), portTICK_PERIOD_MS);
     if (err == ESP_OK)
     {
         ZH_ESPNOW_LOGI("Incoming ESP-NOW data from MAC %02X:%02X:%02X:%02X:%02X:%02X processed successfully.", MAC2STR(queue->data.mac_addr));
@@ -508,4 +508,66 @@ uint8_t zh_espnow_get_version(void)
 const zh_espnow_stats_t *zh_espnow_get_stats(void)
 {
     return &_stats;
+}
+
+void zh_espnow_reset_stats(void)
+{
+    _stats.sent_success = 0;
+    _stats.sent_fail = 0;
+    _stats.received = 0;
+    ZH_ESPNOW_LOGI("ESP-NOW statistic reset successfully.");
+}
+
+bool zh_espnow_is_initialized(void)
+{
+    return _is_initialized;
+}
+
+uint8_t zh_espnow_get_attempts(void)
+{
+    return _init_config.attempts;
+}
+
+esp_err_t zh_espnow_set_attempts(uint8_t attempts)
+{
+    ZH_ESPNOW_CHECK(_is_initialized == true, ESP_ERR_INVALID_STATE, "ESP-NOW is not initialized.");
+    ZH_ESPNOW_CHECK(attempts > 0, ESP_ERR_INVALID_ARG, "Invalid number of attempts.");
+    _init_config.attempts = attempts;
+    ZH_ESPNOW_LOGI("Number of attempts set successfully.");
+    return ESP_OK;
+}
+
+uint8_t zh_espnow_get_channel(void)
+{
+    if (_is_initialized == false)
+    {
+        ZH_ESPNOW_LOGE("ESP-NOW channel receiption failed. ESP-NOW is not initialized.");
+        return 0;
+    }
+    uint8_t prim_channel = 0;
+    wifi_second_chan_t sec_channel = 0;
+    esp_err_t err = esp_wifi_get_channel(&prim_channel, &sec_channel);
+    if (err != ESP_OK)
+    {
+        ZH_ESPNOW_LOGE_ERR("ESP-NOW channel receiption failed.", err);
+        return 0;
+    }
+    _init_config.wifi_channel = prim_channel;
+    ZH_ESPNOW_LOGI("ESP-NOW channel receiption successfully.");
+    return prim_channel;
+}
+
+esp_err_t zh_espnow_set_channel(uint8_t channel)
+{
+    ZH_ESPNOW_CHECK(_is_initialized == true, ESP_ERR_INVALID_STATE, "ESP-NOW channel set failed. ESP-NOW is not initialized.");
+    ZH_ESPNOW_CHECK(channel > 0 && channel < 15, ESP_ERR_INVALID_ARG, "ESP-NOW channel set failed. Invalid channel.");
+    esp_err_t err = esp_wifi_set_channel(channel, WIFI_SECOND_CHAN_NONE);
+    if (err != ESP_OK)
+    {
+        ZH_ESPNOW_LOGE_ERR("ESP-NOW channel set failed.", err);
+        return err;
+    }
+    _init_config.wifi_channel = channel;
+    ZH_ESPNOW_LOGI("ESP-NOW channel set successfully.");
+    return err;
 }