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I need to implement history information in the Modbus protocol for my device. In the previous version of this device, history information is stored in holding registers as circular buffer: 1 register contains the current pointer (=offset in the circular buffer), the x next registers is the circular buffer.
Is there a way to improve the history management, to avoid the 2 accesses (1 for the pointer, the next for the circular buffer)?
I saw that FIFO queue exists in Modbus but it is limited.
How do constructors usually store historical data in device via Modbus?
Thank you.
Is there a way to improve the history management, to avoid the 2 accesses (1 for the pointer, the next for the circular buffer)?
I saw that FIFO queue exists in Modbus but it is limited.
How do constructors usually store historical data in device via Modbus?
Thank you.
