A programming method of can-lonworks protocol conversion logic
A protocol conversion and programming method technology, which is applied in the programming field of CAN-LonWorks protocol conversion logic, can solve the problems of not paying attention to the logical relationship between the two protocols, not considering the variety of application layer protocols, and the conversion logic does not support modification, etc.
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[0035] The present invention will be further described in detail below with reference to the embodiments of the accompanying drawings.
[0036] The programming method of the CAN-LonWorks protocol conversion logic in the present embodiment is characterized in that comprising the following steps:
[0037] Step 1. Define the operator and define the priority of each operator, as shown in Table 1;
[0038] Table 1 Operators
[0039]
[0040] Step 2, define the unique digital code corresponding to the protocol variable, the protocol variable includes CAN identifier, LonTalk message code or network variable selector, CAN data, LonTalk data, as shown in Table 2;
[0041] Table 2 Protocol Variables
[0042]
[0043]Step 3. According to CAN-LonWorks protocol conversion requirements, use operands and operators, and formulate explicit assignment expressions for each protocol variable through operator rules. The operands include decimal values, hexadecimal values, and protocol vari...
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