Is led display, display subtitles, according to the manufacturer to provide the protocol format, I change how to start, py insert serial module, how to start? No experience don't know what to do,
Process is in accordance with the manufacturer to the data format, sent to the serial port, the data frame contains a command, text, of CRC, and so on and so on, don't know how to integrate these things, then time reading equipment current status, read the text of back again in accordance with the agreement, the result of the parse out (this should be relatively simple), all of these, I know that in theory should be like that, but I don't know how to implement, have experienced people to say it? May say a point I understand,