Introduction - If you have any usage issues, please Google them yourself
Send txtest command, or click on the Upload Test button. Continuously sent after the target board receives this command data packet,
* The size of each packet is 1400 bytes. TcpTest software displays the communication speed.
* Note: Due to windows of TCP packet will delay 200ms then confirm by default, resulting in only upload 5 per package. Found upload speed
* 7000 bytes/second.
* If the data immediately after receiving the response, the TcpTest sends a character A after receiving the data, this can be achieved
* Timely response. Found upload speed of 1.2M bytes/sec.