Freelancer: Embedded Firmware Realtime Driver Software Architektur Bootloader ARM

Freiberufler / Selbstst�ndiger

Remote-Arbeit

Verf�gbar ab: 01.02.2025

Verf�gbar zu: 90%

davon vor Ort: 10%

Top-Skills

Embedded C / Assembler

Driver / Real Time / Ultra Low Power

Softwarearchitektur

Embedded C

Bootloader

Firmware Update

ARM Cortex

NFC

AES (CBC / CMAC)

DMA

MBUS / wMBUS

UART

SPI

I2C

Lora

System Trace

RTOS

Lauterbach Debugger

Logic Analyzer

Oszilloskop

Python

CANopen

Sprachen

German

English

Einsatzorte

St�dte

Schwabach (+200km)

L�nder

Deutschland

Bevorzugt Gro�raum N�rnberg oder Remote.

Remote-Arbeit

m�glich

Projekte

1 Jahr 8 Monate

2023-05 - heute

System Control for Laser Power Supply

CAN CANopen Python ...

Projektinhalte

Power Control Statemachine
CANopen communication to Power Modules
Firmware Update over CAN
System safety
Bootloader image selection
Initialization and parameter handling

Produkte

Laser Power Supply TI AM3359 (ARM Cortex A8)

Kenntnisse

CAN CANopen Python Axivion Robot Framework Scrum DevOps

2 Jahre 8 Monate

2020-08 - 2023-03

Software for an Ultrasonic Watermeter

Silicon Labs EFM32LG (ARM Cortex-M4) LDMA Encryption Unit ...

Projektinhalte

Drivers for LDMA, Encryption Unit, NFC, I2C, SPI, EEPROM, Flash
Firmware Update with signature check and Firmware Update Over-the-Air
SHA256 HW driver
X.509 Certificate handling
Integration of a ETAS ESCRYPT CycurLIB
STM32 Lora Integration
NBIOT AT command handler
Realtime Operating System

Kenntnisse

Silicon Labs EFM32LG (ARM Cortex-M4) LDMA Encryption Unit NFC I2C SPI EEPROM Flash SHA256 HW driver

Kunde

Smart Metering

6 Jahre 4 Monate

2014-04 - 2020-07

New meter platform Software

AES Bootloader DMA ...

Projektinhalte

New meter platform Software from scratch�Software for an Ultrasonic Heat Meter

Ultrasonic Heat Meter
Bootloader with encryption and Firmware Update feature
Optical communication Support
Ultra low power handling, Clock and Power scaling
MBUS, wireless MBUS communications
AES encryption and AES-CMAC support
Own designed high speed low power system trace
PC-Based development tools:
- Regression Test Tool
- FW Update encryption and convert tool
- Realtime System Trace decoder

Produkte

DMA Clock Power I2C SPI UART AES ISM Radio Keyboard Display

Kenntnisse

AES Bootloader DMA embedded driver MBUS wMBUS Lora ARM Cortex M3 Assembler EFM32 Silicon Labs EFM32LG (ARM Cortex-M3)

Kunde

Smart Metering

Einsatzort

N�rnberg

Projektinhalte

LTE physical layer Power Management, voltage and clock scaling, sleep and�idle mode handling, including realtime timing recovery
Multi core�communication and timing synchronization

Kunde

Semiconductors

Projektinhalte

SPI Interface driver to Power Management Unit (PMU), power control and voltage domain switching, PMU handling and interrupt control

Kunde

Semiconductors

Einsatzort

N�rnberg

Projektinhalte

Data communication tests and integration

Kunde

Telecommunication

Einsatzort

N�rnberg

5 Monate

2009-01 - 2009-05

Multiprocessor intra- and inter processor data communication

Embedded C

Projektinhalte

Realtime Performance Optimierung und Analysis

Kenntnisse

Embedded C

Einsatzort

N�rnberg

Projektinhalte

Initalisierung:
- Startup hardware layer und L1
Interrupt Handling:
- Handling von physical channel, frame und wakeup interrupts
UMTS sleep mode handling
Protokoll Layer message handling und Trace

Kunde

Telekommunikation / Mobile Endger�te

Projektinhalte

Software Architektur Bereiche Handler, Driver, Startup, Realtime OS

System Integration, Teilbereiche und Gesamtsystem
Treiber-, Handlerentwicklung und realtime operating system f�r Plattform:
- Interrupt handling
- Error handling
- Startup und shutdown
- General services
- System debugging und trace
- Serial output multiplexing
- Memory paging, RAM und FLASH memory management.
- Nand flash session management
- Hardware configuration - Hardware abstraction layer�Flash driver

Kunde

Semiconductors

Aus- und Weiterbildung

Electronic Engineering / Information Technology

Dipl.-Ing.(FH) Elektrotechnik

University of Applied Sciences W�rzburg/Schweinfurt, Germany

Position

Kompetenzen

Top-Skills

Embedded C / Assembler Driver / Real Time / Ultra Low Power Softwarearchitektur Embedded C Bootloader Firmware Update ARM Cortex NFC AES (CBC / CMAC) DMA MBUS / wMBUS UART SPI I2C Lora System Trace RTOS Lauterbach Debugger Logic Analyzer Oszilloskop Python CANopen

Produkte / Standards / Erfahrungen / Methoden

NFC

Lora

DMA

ARM Cortex M

GIT

Profile

Software engineering and architecture for embedded realtime systems
- Driver and Platform level, Bootloader, Firmware update
- Ultra Low Power
- Realtime Operating Systems
- Communication
All areas of embedded software programming e.g. Industrial Electronics, Semiconductors,�Smart Metering, Wireless Communication, Telecommunication, Automation, Avionics and�Automotive

Instruments:

Logic Analyzer
Digital Scopes (DSO and MSO)
Spectrum Analyzers
Rhode & Schwarz�CMW500

Microcontroller:

TI-AM3359 (ARM Cortex A8)
ARM Cortex M0/M0+/M3/M4:
- Silicon Labs EFM32G
- EFM32LG
- EFM32GG12
- STMicro STM32 Series
- ARM Cortex A5,�ARM7, ARM9, ARM11
- STMicro ST6 Series
- Tensilica
- Atmel, Z80, 8080, 80x86, 6502, 8051
- Microchip PIC
- NEC�75x and 78x
- Mitsubishi 38K-series
- Motorola PowerQICC 8xx

Products/Standards/Experiences:

Bootloader with Firmware-Update support and Encryption, power fail save

System Platform:
- Startup and Process-Initialization
- Interrupt and DMA Driver support
- Realtime Operating System (RTOS)
- Display and Keyboard drivers
- Communication: CAN, USART, SPI, I2C, NFC, Lora drivers
- Low Power Realtime System Trace:�
  - Own designed realtime algorithm, critical section compliant
  - Data-rate 1Mbit/s @ 6,6Mhz (with DMA)
- AES Encryption and Authentication
- Exception and Error Handling
- Bootloader with encrypted FW Update feature
Power and Clock Control:
- Ultra Low Power Design (99% deep sleep)
- Dynamic clock and voltage scaling
- Sleep and Idle mode handling
- Timing recovery
- Chrystal Oscillator calibration and temperature compensation
- Multi core timer handling and synchronization
- Complex Power Control handling
Communication:
- CANopen multi node application (incl. FW Update over CAN)
- Radio Driver SI4060
- NFC Chip driver TI RF430CL331H
- Lora Module with STMicro STM32WLE55
- Quectel NBIOT modem AT command handler
- MBUS and wireless MBUS
- Serial output multiplexing
Memory Handling:
- Memory protection and dynamic paging
- EEPROM and FLASH driver
- NOR Flash driver and Nand Flash session management
Software Architecture:
- Platform
- Handler
- Driver
- Memory management
- Start up
- Firmware Update
- Bootloader (fail save)
- Realtime OS
- Process Handling
- Communication
System Integration, Performance-, Coverage and Memory analysis

Development environment and tools:

Robot Framework, Axivion, VectorCast
IAR Workbench
GNU and ARM RealView C-Compiler, Assembler, Linker
Tensilica C-Compiler
GreenHills PowerPC C-Compiler
NEC 74k and 78k in circuit debugger
Lauterbach Trace32 and GreenHills ICD in circuit debuggers, ATMEL ICE
Oscilloscopes (DSO, MSO), Logic Analyzers, Spectrum Analyzers
Freescale CodeTest
GIT, Gerrit
IBM ClearCase
IBM ClearDDTS
Bugzilla
Synchronicity
Subversion
Continuus (CM Synergy)
CVS, RCS
MISRA
Coverity Prevent
Lint

Build process, project organization:

Agile development (SCRUM)
TI CodeComposerStudio, CMake
Jira, AzureDevOps
IAR Workbench
GNU make, Unix-Tool-Chain
CygWin
UNIX Shell-Scripts
Microsoft VC++

General:

Multi site experience:
- UK (on site and remote)
- France (on site and remote)
- India (remote)
- USA (remote)

Betriebssysteme

RTOS (Realtime OS)

Unix

Windows

Programmiersprachen

Embedded C

Python

JSON

ARM Cortex

Microchip PIC

ST Microelectronics

Mitsubishi 38K-Series 8xx

ATMEL ATtiny and 90SCxxxx

Datenbanken

Datenkommunikation

MBUS

I2C

Lora

USART

SPI

RS232 / V24

HDLC

Internet, Intranet

CAN

CANopen

NFC

AES

Hardware

Lauterbach

TI BlackHawk

Segger Jlink

IAR Workbench SWD debugger

Atmel JTAG ICE Mk II

GreenHills ICD

NEC ICD

GnuGDB

Branchen

Industrial Electronics
Measurement / Smart Metering
Smart Metering
Wireless Communication
Telecommunication
Automation
Avionics
Automotive
Multimedia

Einsatzorte

St�dte

Schwabach (+200km)

L�nder

Deutschland

Bevorzugt Gro�raum N�rnberg oder Remote.

Remote-Arbeit

m�glich

Projekte

1 Jahr 8 Monate

2023-05 - heute

System Control for Laser Power Supply

CAN CANopen Python ...

Projektinhalte

Power Control Statemachine
CANopen communication to Power Modules
Firmware Update over CAN
System safety
Bootloader image selection
Initialization and parameter handling

Produkte

Laser Power Supply TI AM3359 (ARM Cortex A8)

Kenntnisse

CAN CANopen Python Axivion Robot Framework Scrum DevOps

2 Jahre 8 Monate

2020-08 - 2023-03

Software for an Ultrasonic Watermeter

Silicon Labs EFM32LG (ARM Cortex-M4) LDMA Encryption Unit ...

Projektinhalte

Drivers for LDMA, Encryption Unit, NFC, I2C, SPI, EEPROM, Flash
Firmware Update with signature check and Firmware Update Over-the-Air
SHA256 HW driver
X.509 Certificate handling
Integration of a ETAS ESCRYPT CycurLIB
STM32 Lora Integration
NBIOT AT command handler
Realtime Operating System

Kenntnisse

Silicon Labs EFM32LG (ARM Cortex-M4) LDMA Encryption Unit NFC I2C SPI EEPROM Flash SHA256 HW driver

Kunde

Smart Metering

6 Jahre 4 Monate

2014-04 - 2020-07

New meter platform Software

AES Bootloader DMA ...

Projektinhalte

New meter platform Software from scratch�Software for an Ultrasonic Heat Meter

Ultrasonic Heat Meter
Bootloader with encryption and Firmware Update feature
Optical communication Support
Ultra low power handling, Clock and Power scaling
MBUS, wireless MBUS communications
AES encryption and AES-CMAC support
Own designed high speed low power system trace
PC-Based development tools:
- Regression Test Tool
- FW Update encryption and convert tool
- Realtime System Trace decoder

Produkte

DMA Clock Power I2C SPI UART AES ISM Radio Keyboard Display

Kenntnisse

AES Bootloader DMA embedded driver MBUS wMBUS Lora ARM Cortex M3 Assembler EFM32 Silicon Labs EFM32LG (ARM Cortex-M3)

Kunde

Smart Metering

Einsatzort

N�rnberg

Projektinhalte

LTE physical layer Power Management, voltage and clock scaling, sleep and�idle mode handling, including realtime timing recovery
Multi core�communication and timing synchronization

Kunde

Semiconductors

Projektinhalte

SPI Interface driver to Power Management Unit (PMU), power control and voltage domain switching, PMU handling and interrupt control

Kunde

Semiconductors

Einsatzort

N�rnberg

Projektinhalte

Data communication tests and integration

Kunde

Telecommunication

Einsatzort

N�rnberg

5 Monate

2009-01 - 2009-05

Multiprocessor intra- and inter processor data communication

Embedded C

Projektinhalte

Realtime Performance Optimierung und Analysis

Kenntnisse

Embedded C

Einsatzort

N�rnberg

Projektinhalte

Initalisierung:
- Startup hardware layer und L1
Interrupt Handling:
- Handling von physical channel, frame und wakeup interrupts
UMTS sleep mode handling
Protokoll Layer message handling und Trace

Kunde

Telekommunikation / Mobile Endger�te

Projektinhalte

Software Architektur Bereiche Handler, Driver, Startup, Realtime OS

System Integration, Teilbereiche und Gesamtsystem
Treiber-, Handlerentwicklung und realtime operating system f�r Plattform:
- Interrupt handling
- Error handling
- Startup und shutdown
- General services
- System debugging und trace
- Serial output multiplexing
- Memory paging, RAM und FLASH memory management.
- Nand flash session management
- Hardware configuration - Hardware abstraction layer�Flash driver

Kunde

Semiconductors

Aus- und Weiterbildung

Electronic Engineering / Information Technology

Dipl.-Ing.(FH) Elektrotechnik

University of Applied Sciences W�rzburg/Schweinfurt, Germany

Position

Kompetenzen

Top-Skills

Produkte / Standards / Erfahrungen / Methoden

NFC

Lora

DMA

ARM Cortex M

GIT

Profile

Software engineering and architecture for embedded realtime systems
- Driver and Platform level, Bootloader, Firmware update
- Ultra Low Power
- Realtime Operating Systems
- Communication
All areas of embedded software programming e.g. Industrial Electronics, Semiconductors,�Smart Metering, Wireless Communication, Telecommunication, Automation, Avionics and�Automotive

Instruments:

Logic Analyzer
Digital Scopes (DSO and MSO)
Spectrum Analyzers
Rhode & Schwarz�CMW500

Microcontroller:

TI-AM3359 (ARM Cortex A8)
ARM Cortex M0/M0+/M3/M4:
- Silicon Labs EFM32G
- EFM32LG
- EFM32GG12
- STMicro STM32 Series
- ARM Cortex A5,�ARM7, ARM9, ARM11
- STMicro ST6 Series
- Tensilica
- Atmel, Z80, 8080, 80x86, 6502, 8051
- Microchip PIC
- NEC�75x and 78x
- Mitsubishi 38K-series
- Motorola PowerQICC 8xx

Products/Standards/Experiences:

Bootloader with Firmware-Update support and Encryption, power fail save

System Platform:
- Startup and Process-Initialization
- Interrupt and DMA Driver support
- Realtime Operating System (RTOS)
- Display and Keyboard drivers
- Communication: CAN, USART, SPI, I2C, NFC, Lora drivers
- Low Power Realtime System Trace:�
  - Own designed realtime algorithm, critical section compliant
  - Data-rate 1Mbit/s @ 6,6Mhz (with DMA)
- AES Encryption and Authentication
- Exception and Error Handling
- Bootloader with encrypted FW Update feature
Power and Clock Control:
- Ultra Low Power Design (99% deep sleep)
- Dynamic clock and voltage scaling
- Sleep and Idle mode handling
- Timing recovery
- Chrystal Oscillator calibration and temperature compensation
- Multi core timer handling and synchronization
- Complex Power Control handling
Communication:
- CANopen multi node application (incl. FW Update over CAN)
- Radio Driver SI4060
- NFC Chip driver TI RF430CL331H
- Lora Module with STMicro STM32WLE55
- Quectel NBIOT modem AT command handler
- MBUS and wireless MBUS
- Serial output multiplexing
Memory Handling:
- Memory protection and dynamic paging
- EEPROM and FLASH driver
- NOR Flash driver and Nand Flash session management
Software Architecture:
- Platform
- Handler
- Driver
- Memory management
- Start up
- Firmware Update
- Bootloader (fail save)
- Realtime OS
- Process Handling
- Communication
System Integration, Performance-, Coverage and Memory analysis

Development environment and tools:

Robot Framework, Axivion, VectorCast
IAR Workbench
GNU and ARM RealView C-Compiler, Assembler, Linker
Tensilica C-Compiler
GreenHills PowerPC C-Compiler
NEC 74k and 78k in circuit debugger
Lauterbach Trace32 and GreenHills ICD in circuit debuggers, ATMEL ICE
Oscilloscopes (DSO, MSO), Logic Analyzers, Spectrum Analyzers
Freescale CodeTest
GIT, Gerrit
IBM ClearCase
IBM ClearDDTS
Bugzilla
Synchronicity
Subversion
Continuus (CM Synergy)
CVS, RCS
MISRA
Coverity Prevent
Lint

Build process, project organization:

Agile development (SCRUM)
TI CodeComposerStudio, CMake
Jira, AzureDevOps
IAR Workbench
GNU make, Unix-Tool-Chain
CygWin
UNIX Shell-Scripts
Microsoft VC++

General:

Multi site experience:
- UK (on site and remote)
- France (on site and remote)
- India (remote)
- USA (remote)

Betriebssysteme

RTOS (Realtime OS)

Unix

Windows

Programmiersprachen

Embedded C

Python

JSON

ARM Cortex

Microchip PIC

ST Microelectronics

Mitsubishi 38K-Series 8xx

ATMEL ATtiny and 90SCxxxx

Datenbanken

Datenkommunikation

MBUS

I2C

Lora

USART

SPI

RS232 / V24

HDLC

Internet, Intranet

CAN

CANopen

NFC

AES

Hardware

Lauterbach

TI BlackHawk

Segger Jlink

IAR Workbench SWD debugger

Atmel JTAG ICE Mk II

GreenHills ICD

NEC ICD

GnuGDB

Branchen

Industrial Electronics
Measurement / Smart Metering
Smart Metering
Wireless Communication
Telecommunication
Automation
Avionics
Automotive
Multimedia

Vertrauen Sie auf Randstad

Im Bereich Freelancing

Im Bereich Arbeitnehmer�berlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

Name E-Mail-Adresse Ihre Frage

Telefonnummer Unternehmen

Ich habe die Datenschutzbestimmungen gelesen und bin damit einverstanden.

Einsatzorte

Projekte

Aus- und Weiterbildung

Position

Kompetenzen

Top-Skills

Produkte / Standards / Erfahrungen / Methoden

Betriebssysteme

Programmiersprachen

Datenbanken

Datenkommunikation

Hardware

Branchen

Einsatzorte

Projekte

Aus- und Weiterbildung

Position

Kompetenzen

Top-Skills

Produkte / Standards / Erfahrungen / Methoden

Betriebssysteme

Programmiersprachen

Datenbanken

Datenkommunikation

Hardware

Branchen

Vertrauen Sie auf Randstad

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

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