espnow: fix the bug for calling esp_wifi_set_channel(), this function only can be called after Wi-Fi started and sniffer enabled.
@@ -49,12 +49,6 @@ static void example_wifi_init(void)
ESP_ERROR_CHECK( esp_wifi_set_mode(ESPNOW_WIFI_MODE) );
ESP_ERROR_CHECK( esp_wifi_start());
- /* In order to simplify example, channel is set after WiFi started.
- * This is not necessary in real application if the two devices have
- * been already on the same channel.
- */
- ESP_ERROR_CHECK( esp_wifi_set_channel(CONFIG_ESPNOW_CHANNEL, 0) );
-
#if CONFIG_ESPNOW_ENABLE_LONG_RANGE
ESP_ERROR_CHECK( esp_wifi_set_protocol(ESPNOW_WIFI_IF, WIFI_PROTOCOL_11B|WIFI_PROTOCOL_11G|WIFI_PROTOCOL_11N|WIFI_PROTOCOL_LR) );
#endif
