- Add a callback for reading Modbus input registers. - Implement logic to provide the system uptime in seconds, split across two 16-bit registers (UPTIME_SECONDS_LOW at 0x00F3 and UPTIME_SECONDS_HIGH at 0x00F4) as per documentation. - Return 0 for unhandled registers to prevent "Invalid data" errors with certain Modbus masters. |
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| gateway | ||
| slave_node | ||