UART Based Sensor Emulation Part 3: Developing the Communication Protocol
This guide walks through building a lightweight, framed UART protocol for emulating a sensor, covering the frame layout, parser design, and error handling needed…
Sensor emulation
Emulating device-side sensor registers, commands or timing.
17 articles
Articles
UART Based Sensor Emulation Part 2: Establish Communication
Establishing reliable bidirectional communication is the foundational step in validating the sensor emulation framework, ensuring that the master device and the emulated sensor can…
UART Based Sensor Emulation Part 1: Introduction and Environment Setup
UART-based sensor emulation on an STM32F4 provides a cost-effective and highly controlled method to validate data processing algorithms and communication protocols without requiring the…
Modbus Sensor Emulation Part 7: Handling and Storing Register Write Requests in the Slave
Part 7 focuses on the slave firmware responsible for receiving and processing Modbus write requests. In this section, the slave parses the incoming frame…
Modbus Sensor Emulation Part 6: Master Sends Write to Register
Part 6 focuses on implementing the master-side firmware required to perform write operations to specific registers on the Modbus RTU slave. This section covers…
Modbus Sensor Emulation Part 5: Slave Accept from Its Address
Part 5 focuses on implementing address filtering so that the Modbus RTU slave responds only to requests directed to its assigned slave address. This…
Modbus Sensor Emulation Part 4: Slave Response to Read Request
Part 4 focuses on implementing the slave-side response to a Modbus RTU read request issued by the master. In this section, the STM32-based slave…
Modbus Sensor Emulation Part 3: Master Request to Read
Part 3 of the guide moves beyond basic link verification and introduces practical Modbus RTU transactions in which the master issues read requests to…
Modbus Sensor Emulation Part 2: Establishing Communication
Part 2 of this guide focuses on establishing and validating the communication link between a Modbus RTU master and the STM32-based slave using a…
Modbus Sensor Emulation Part 1: Introduction and setup
This guide demonstrates how to emulate a Modbus RTU sensor on an STM32 microcontroller, enabling the device to behave as a compliant Modbus slave…