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CAN Protocol (Frame types (Error frame, Overload frame, Remote frame, Data…
CAN Protocol
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Standard vs extended CAN
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Identifier
The priority of the message.The lower the value,the higher priority
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SOF - 0 -start of frame
Start of a message, is used to sync the nodes on a bus after being idle
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CAN Error handling
Errors summary
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:warning:
5 error types: bit, stuff, CRC, form and ACK error
Others
Buffer VS Mailbox
Buffer
- Is hardware reigsters
- Store data
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Mailbox
:warning:
- Is buffer but for specific CAN Identifier
- Apply message Filter
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- Dominant vs Recessive
- CAN transceiver
- Electronic Control Units (ECU)