Method and device for bus signal transmission and receiving
A technology of bus signal and transmission method, which is applied in the field of error-proof bus signal transmission, receiving method and device, can solve the problems that cannot be effectively prevented, signal register errors, etc., and achieve the effect of improving correctness and preventing signal transmission errors
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[0025] figure 1 Shows the data frame format defined by CAN2.0, data frame 1 includes the following bit fields: frame start 11, arbitration field 12, control field 13, data field 14, CRC check field 15, response field 16, frame end 17 .
[0026] figure 2 show figure 1 In the data field structure of the CAN bus message, when the CAN bus is used for data transmission, an identifier (ID) is first assigned to the data frame 1, and then the data is filled into the data field 14 for transmission. Because the maximum number of bytes in the data field 14 is 8 bytes (byte), and one byte is 8 bits (bit), so the data that can be transmitted in one frame of data frame 1 is 8*8=64 (bit) bits data.
[0027] like image 3 As shown, the present invention provides a bus signal transmission method, comprising the following steps:
[0028] Step S1, the data stream is divided into successive data frames for signal transmission, and the data frame includes the following bit fields: frame sta...
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