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ICnet()

ICnet() checks incoming requests and handles Cnet Slave responses.

void ICnet()

Commands

Command	Arguments	Return Value	Operation
`ICnet()`	None	`void`	Checks incoming requests and handles Cnet Slave responses.

void loop() {
  ICnet();
  digitalWrite(32, M[0]);
}

Keep calling ICnet() in loop().
Set M/D/R sizes within the available SRAM.
When sharing memory with Modbus, check for duplicate allocation and address conventions. Both ICnetMem() and ImodbusRTUMem() reallocate shared M/D. Assign final size management to only one of them and initialize both protocols after the last reallocation.
Allocation functions do not return success status. Check whether M, D and R are nullptr before accessing them in user code.