For example, J specifies engine RPM to have a default priority of 3, to have a size of bits, a resolution of 0. It defines the data's priority, size, scaling, and offset. SAE J specifies exactly how information e. Today SAE J is used as the standard communications bus for commercial vehicle's diagnostic and control applications. For details on the specification itself, please visit the Society of Automotive Engineers. This article is intended to give engineers a brief overview of the SAE J protocol. The lion and the mouse printable story pdfĪlso, ssJFull handles address claim arbitration specified by the network management layer. The software protocol stack is well documented and has been used in more than a quarter of a milliion embedded systems.ĬPU Cycles per Msg apprx. Our source code uses a high performance modular design and has a simple API.
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