基于 ESP32 AT 固件启 WiFi AP + Server 的透传模式的测试

指令序列如下：

AT+RESTOREAT+CWMODE=2                           // Set the Wi-Fi mode toSoftAP.AT+CWSAP="ESP32_softAP","1234567890",5,3          // Set softAPAT+CIPMUX=1                    // Enable multiple connections for TCP ServerAT+CIPSERVERMAXCONN=1         // Set the maximum number of TCP server connections to 1.AT+CIPSERVER=1,8080         //Create TCP server.AT+CIPAP?                 // Query the IP address when device as TCP Server.AT+CIPMODE=1            //Enable the UART Wi-Fi Passthrough Receiving Mode<https://docs.espressif.com/projects/esp-at/en/latest/esp32/index_of_abbreviations.html#term-Passthrough-Receiving-Mode>.AT+CIPSEND               // Enter the UART Wi-Fi Passthrough Mode<https://docs.espressif.com/projects/esp-at/en/latest/esp32/index_of_abbreviations.html#term-Passthrough-Mode> and send data.