In part 4 of this series, we add function code 1 and function code 2 to our STM32 Modbus TCP server, letting a client read coil and discrete input status over LWIP.
In part 4 of this series, we add function code 1 and function code 2 to our STM32 Modbus TCP server, letting a client read coil and discrete input status over LWIP.
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