A system and method for optimizing vehicle control parameters of new energy vehicles based on the Internet
A new energy vehicle and vehicle control technology, applied in the field of the Internet of Things, can solve problems such as reduced efficiency, hardware damage, and poor driving experience, and achieve the effects of high flexibility, wide applicability, and strong scalability
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[0027] In order to make the technical solution of the object of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0028] (1) Communication protocol
[0029] The master CPU and the slave CPU are physically connected through the RS232 interface. According to the "slave CPU command - master CPU response" process, the master CPU and slave CPU communication protocol format is adopted:
[0030] start flag
header
message body
check code
end flag
1 Byte
2 Bytes
n Byte(n≥0)
1 Byte
1 Byte
[0031] The identification bit takes 0x7e as the start identification bit and the end identification bit. Escape processing is performed when the message header, message body, and checksum contain 0x7e or 0x7d. ...
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