[Documentation] ArduinoModbus Server, wrong return value for configure* functions
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Component: Documentation
Library: Other
Type: Bug
- Dominant language
- Java
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Description
In documentation for ArduinoModbus library, all configure function for Server have wrong return value in documentation.
For example [https://www.arduino.cc/en/ArduinoModbus/ModbusServerconfigureDiscreteInputs](https://www.arduino.cc/en/ArduinoModbus/ModbusServerconfigureDiscreteInputs)
The function allocate memory for Moddus registers and coils.
```
Returns
0 on success, 1 on failure
```
Return should be ( according to source code )
-1 Invalid argument
0 on failure
1 on success
Same for all configure function
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