CAN network position timing influence factor detection system and method thereof
A technology of influencing factors and detection system, applied in the field of detection system of automobile network communication, can solve problems such as no communication, and achieve the effect of scientific and reasonable setting
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Embodiment 1
[0012] see image 3A CAN network bit timing influencing factor detection system detects the influence of the tolerance change of the oscillator on the network communication when the first node 1 is configured as a sending node. It proceeds according to the following steps in turn: 1), set the first node 1 and the second node 2 as sending nodes, send messages with identifiers 0x201 and 0x202 respectively, the sending cycle is 100ms, and the data content is 0x07C1F07C1F07C1F0, set Set the third node 3 as the receiving node; 2), set the first node 1, the second node 2 and the third node 3 to send or receive the message successfully, then the content output to the respective LCD display units is "send successfully" or "successful reception", once the sending or receiving fails, the content output to the respective LCD display unit will be locked as "sending failure" or "receiving failure"; 3) The second node can be configured according to the current actual network parameter confi...
Embodiment 2
[0014] see image 3 , the CAN network bit timing influencing factor detection system detects the influence of the first node 1 on the network communication caused by the change of the wire harness length when the first node 1 is configured as a sending node. It proceeds according to the following steps in turn: 1), set the first node 1 and the second node 2 as sending nodes, send messages with identifiers 0x201 and 0x202 respectively, the sending cycle is 100ms, and the data content is 0x07C1F07C1F07C1F0, set Set the third node 3 as the receiving node; 2), set the first node 1, the second node 2 and the third node 3 to send or receive the message successfully, then the content output to the respective LCD display units is "send successfully" or "successful reception", once the sending or receiving fails, the content output to the respective LCD display unit will be locked as "sending failure" or "receiving failure"; 3) The second node can be configured according to the current...
Embodiment 3
[0016] see image 3A CAN network bit timing influencing factor detection system detects the influence of the tolerance change of the oscillator on the network communication when the first node 1 is configured as a receiving node. It proceeds in sequence as follows: 1) Set the first node 1 and the second node 2 as the receiving node, set the third node 3 as the sending node, and send a message with the identifier 0x203, the period is 100ms, and the data content 0x07C1F07C1F07C1F0; 2), when the first node 1, the second node 2 and the third node 3 successfully send or receive the message, the content output to the respective LCD display unit is "send successfully" or "receive successfully", Once sending or receiving fails, the content output to the LCD display unit will be locked as "sending failure" or "receiving failure"; 3) According to the current actual network parameter configuration, configure the second node 2 and the third node 3 to oscillate The tolerance of the device...
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