Digital Transformation Development of an embedded software communicating via Bluetooth

Context

More and more industries want to move to 4.0 in order to save process time and optimise costs. In this context, Teledyne wanted to modify its gas sensors to make maintenance easier through Bluetooth communication.

Summary

Project duration

6

months

Equipe

2

1 embedded C developer
1 embedded technical expert

Issues

Sensors should not be accessible to just anyone

Sensors must be able to update themselves (FOTA) remotely

Sensor data should be retrievable remotely

It must be possible to change the sensor parameters remotely

Realisation

  • STM32 bootloader with AES-128 bit security mechanism.
  • Software architecture and specification
  • Validation plan and software test
  • Programme embedded in an NRF 52810 target.
  • Integration and unit test.
  • Static analysis according to Misra C rules.
  • DLL .Net C# with integrated Bluetooth communication

Need

  • An on-board application that can communicate via Bluetooth with smartphones.
  • To be able to make secure firmware updates.
  • Be able to retrieve machine information and transmit commands.
  • Be Bluetooth Low Energy certified/Be SIL3 certified
  • Have a DLL for sensor maintenance in the factory.

Digital Transformation

Responsibility for Industrial IT Systems

06/12/2021

paul

Digital Transformation

Support for the implementation of an ISD

01/12/2021

pierre

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