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Hello together,
I'm searching an idea on How to implement the 1,5 and 3,5 char interval in Modbus RTU. I try use Modbus on RS232 on a Linux System with ANSI C.
I tried the select() function, but the resolution is too less (only 1/256 = 3,9ms). For the ModBus RTU I have to check a time 520µs (19200 Baud).
Can somebody help me, please?
Thanks a lot.
I'm searching an idea on How to implement the 1,5 and 3,5 char interval in Modbus RTU. I try use Modbus on RS232 on a Linux System with ANSI C.
I tried the select() function, but the resolution is too less (only 1/256 = 3,9ms). For the ModBus RTU I have to check a time 520µs (19200 Baud).
Can somebody help me, please?
Thanks a lot.