Overview
This is a Modbus master library for mongoose os.
Features
The following Modbus functions are available:
Discrete Coils/Flags
- 0x01 - Read Coils
- 0x02 - Read Discrete Inputs
- 0x05 - Write Single Coil
- 0x0F - Write Multiple Coils
Registers
- 0x03 - Read Holding Registers
- 0x04 - Read Input Registers
- 0x06 - Write Single Register
- 0x10 - Write Multiple Registers
- 0x16 - Mask Write Register
- 0x17 - Read Write Multiple Registers
Hardware
Tested on ESP32 and mongoose os version 2.17.0
Example
You can check Mongoose OS Modbus Example for a sample application.
Project inspired by ModbusMaster.