Embedded Systems, C/C++/Python

Created software specification and adapted existing embedded C/C++ software to new hardware (STM32G4 family) and documentation. Adapted existing CANopen interface to CANopen FD.

• Created software specification
• Analyzed and documented existing software
• Documented existing CANopen FD messages
• Developed software adaptation concept
• Implementation, documentation

Refactoring and extension of some modules of the VBA macro collection for MS Office to create business documents.

• Re-implementation, extension and testing of individual modules written in VBA with VB.net
• MS Word: Letter, invoice, time sheet (input masks, address from Outlook, selection letter/fax/email)
• MS Excel: Account statement (input masks, use export from banking SW, generate PDF)

Supported the development team with product adjustments and consulting (architecture, implementation concept) for integration of new hardware.

• Analyzed and fixed known bugs in C and C++
• Performed manual tests
• Code reviews
• Integrated new battery charging controller into existing software:
• Integration concept
• Architecture adjustments
• I²C communication
• Type detection
• Software adaptation to changed functionality
• Integrated QR code functionality into existing system:
• Generated QR code
• Extended menu structure

Implemented a CAN flash loader for the control unit of an e-bike

• Created documents (specification, documentation)
• Implemented in C, testing
• Code reviews

Developed self-test for an embedded system and its interfaces as well as PC software for visualizing test results.

Embedded system:

• Created test concept, selected components to be tested, specification, implementation in C and commissioning, documentation

PC:

• Specification, documentation, operating instructions
• Backend: Implementation and commissioning of visualization software with Qt
• Frontend: Adaptation/extension of user interface with Qt

Planning and implementation of home automation for a single-family house.

• Concept, installation, implementation of software for (partial) automation of heating, lighting, electricity, blinds and smoke detectors

Created VBA macros for organizing project processes and employee planning.

• Design, implementation in VBA and testing

Supported the development team in implementing new features for an administration software for sports and leisure facilities in C++.

• Concept and implementation of a module for flexible display of diagrams with Cairo (developing specification with customer, implementation)
• Implementation of a DLL with Qt for simple display of geo-position data in Google Maps with C and JavaScript
• Extension of existing software modules
• Integration of the banking module from Windata (windata black box)
• Frontend: Adapting the user interface with Qt

Macro collection for MS Outlook (VBA) for cleaning up the mailbox and securely viewing emails of unknown origin.

• Specification, design, implementation, testing
• Minor adaptations to MS Outlook 2013

Macro collection for MS Office to create business documents.

07/14 - 09/14: Further development: Uniform interface, integration of Outlook contacts, extension of existing modules and templates, creation of additional modules and templates.

02/13 - 04/13: Implementation of basic functionality

• Specification, design, implementation in VBA and AHK and testing

Software development according to IEC 61131-3 (ST, FBD) and creation/extension of VBA macros (MS Office) to automate the development process.

• Development of TCMS software in areas of external signal lighting, tank, spring-loaded brake, diagnostics, sanding and others
• Analysis, optimization and testing of existing software components
• Design, implementation and testing
• Document and code reviews
• Commissioning of new software components in the vehicle

Software development for a test module in telecommunications in C and assembler.

• Analysis, optimization and testing of existing software components
• Design, implementation, testing of new software components
• Specification and execution of black and whitebox tests

Software development for the control unit of a photovoltaic system in C and C++.

• Analysis, documentation and testing of existing software components
• Refactoring, optimization through use of object-oriented software structures
• Document and code reviews
• Specification, design, implementation and testing of new software components

Software development according to IEC 61131-3 (ST, SFC, IL) for automated carriers and welding systems.

09/10 - 01/11: Welding head for gas-shielded welding 09/10 - 10/10: Trade fair demo device 12/09 - 09/10: Automated carrier for surfacing 02/10 - 08/10: Additional functionality for automated carrier for SAW and MAG welding 12/08 - 12/09: Automated carrier for SAW and MAG welding 06/09 - 08/09: Small torch stand with 2 motors and turntable for TIG welding 10/08 - 03/09: System for welding pipes 04/06 - 05/06: Welding portal 01/06 - 03/06: Rotary tilting table for welding systems

• Refining requirements together with the client
• Consulting on selection of suitable sensors
• Design, implementation, testing and commissioning of software

Implementation of various software modules for embedded systems based on 8051 in C

09/04 - 02/06: Implementation of wireless protocol for a game console 05/04 - 09/04: Development of operating software for a Bluetooth GPS module

• Developing requirements together with the client
• Software concept, design, implementation, testing
• Document and code reviews

Development of embedded software in C for Tetra base stations.

• Software-side integration of new hardware
• Product improvement as well as error analysis and elimination
• Extension of existing software system in C
• Document and code reviews

Additional activities:

• Leadership of a process optimization team
• Development of product-related improvements with a view to patenting

Own development: Replica of the Berlin Clock based on a 16C54A, programmed in assembler.

Requirements: Display time (minutes with 4+11 LEDs, hours with 4+4 LEDs, 2-second cycle), set time, generate second cycle or derive from mains frequency

• Component selection, circuit design, layout, assembly, commissioning
• Specification and design of operating software, implementation in assembler, testing

Development of embedded software in C and assembler for the control unit of an automated manual transmission

• Analysis, documentation, improvement of existing software
• Specification of a new hardware module and integration into existing system
• Collaboration on system design of control unit for an automated manual transmission (ASG)
• Design, implementation and testing of hardware-related software modules in C and assembler
• Specification of interfaces to third-party software components
• Code reviews

Focus: PCB test systems

• Development of digital circuits and construction of prototypes
• Creation of PCB layouts
• Development of hardware-related PC software in Pascal
• Implementation of visualization of information obtained with the test system