Description

The MPMCM is a DIN rail module of the DINFox project. It embeds the following features:

• Mains measurements: true RMS voltage, true RMS current, active power, apparent power, power factor and frequency.
• 4 independent current channels.
• Real time control of 4 loads (triac).
• Linky TIC input interface.
• RS485 communication.

Hardware

The board was designed on Circuit Maker V2.0. Below is the list of hardware revisions:

Hardware revision	Description	Status
MPMCM HW1.0	Initial version.	✅

Embedded software

Environment

The embedded software is developed under Eclipse IDE version 2023-09 (4.29.0) and GNU MCU plugin. The script folder contains Eclipse run/debug configuration files and JLink scripts to flash the MCU.

Target

The board is based on the STM32G441CBT6 microcontroller of the STMicroelectronics G4 family. Each hardware revision has a corresponding build configuration in the Eclipse project, which sets up the code for the selected board version.

Structure

The project is organized as follow:

• inc and src: source code split in 7 layers:
  • registers: MCU registers address definition.
  • peripherals: internal MCU peripherals drivers.
  • utils: utility functions.
  • dsp: Optimized Cortex-M4 DSP functions (from ARM).
  • components: external components drivers.
  • nodes : Node descriptor.
  • applicative: high-level application layers.
• startup: MCU startup code (from ARM).
• linker: MCU linker script (from ARM).

Dependencies

The inc/dinfox and src/dinfox folders of the XM project must linked to the MPMCM project, as they contain common data definition related to the DINFox system.