NuWissen Embedded Systems: Professional Roadmap

A rigorous, 7-part engineering track designed to guide you from foundational silicon architecture to cloud-connected edge intelligence with hands-on hardware development.

160 Hours Structured Track
Custom STM32H7 Board Included
100% Hands-On Practical Focus
01
Part 1 · Silicon Foundations

Foundations of Embedded Systems & The STM32 Ecosystem

Master the silicon basics and the professional embedded development environment.

Silicon Architecture

  • Microcontroller (MCU) vs. Microprocessor (MPU) comparison
  • ARM Cortex-M7 Core architecture (STM32H7 Series)
  • Nested Vectored Interrupt Controller (NVIC) & SysTick
  • CMSIS standard software interface & CoreSight debug

Embedded C Mastery

  • Memory layout & sections (Flash, RAM, BSS, Data, Stack/Heap)
  • Bitwise manipulation & register masking operations
  • The volatile keyword & memory-mapped hardware pointers
  • Static, inline functions, and compiler optimization flags

The Pro Workflow

  • STM32CubeIDE setup, build system, and IOC pinmux tool
  • HAL Handle structures & peripheral state management
  • SWV ITM and UART serial debugging via printf redirection

GPIO & BSP Standards

  • Push-Pull vs. Open-Drain and internal Pull-up/Pull-down resistors
  • Deep dive into the GPIO_InitTypeDef initialization struct
  • Professional coding standards, Doxygen docs & BSP modular architecture
02
Part 2 · Protocols

Core Peripherals and Basic Communication

The language of hardware and industrial protocols.

UART / USART

  • Shift registers, baud rate calculations & clock domains
  • Polling vs. Interrupt-based transmission/reception
  • High-efficiency DMA (Direct Memory Access) transfers

I2C Protocol

  • START/STOP handshakes, ACK/NACK, and 8-bit bus addressing
  • Interfacing precision environmental sensors (BMP280 Barometer)
  • Time-of-Flight distance sensor integration (VL53L0X Laser Ranging)

SPI Interface

  • Synchronous full-duplex communication & clock polarities (CPOL/CPHA)
  • Pin mapping & multi-slave chip-select management
  • Driving high-speed hardware LCD displays over SPI bus

Diagnostics & Reliability

  • Virtual COM ports & CDC USB device enumeration
  • TX/RX synchronization rules & framing verification
  • Professional firmware-level error handling & recovery routines
03
Part 3 · Precision & Analog

Mastering Time and Analog

Precision control, sensor data acquisition, and automated timing.

Analog-to-Digital (ADC)

  • Flash vs. Successive Approximation (SAR) converter architectures
  • Sampling time, quantization, resolution, and scan modes
  • "Manual Rank Control" for precise multi-channel sensor conversion

Hardware Timers

  • Counter registers, Prescalers (PSC), and Auto-Reload Registers (ARR)
  • Timer frequency calculations & clock division
  • Microsecond periodic interrupt generation without CPU busy-waiting

Pulse Width Modulation (PWM)

  • Duty cycles, resolution, and edge-aligned vs. center-aligned modes
  • Hardware-level control for LED Dimming & display backlights
  • Precision motion control & actuator drives

Real-Time Clock (RTC)

  • Dedicated LSE (32.768 kHz) hardware sub-second calendar timing
  • Automated time-stamping for sensor data packets
  • Hardware RTC Alarms and low-power standby Wakeup events
04
Part 4 · High-Speed I/O & Memory

Advanced I/O and Memory Management

Handling high-speed data, internal interrupts, and external storage.

Interrupt-Driven I/O

  • External Interrupts (EXTI line controller architecture)
  • Preemption Priority vs. Sub-Priority grouping rules
  • Complete interrupt call chain tracing from vector table to callback

Direct Memory Access (DMA)

  • Zero-CPU data transfers across peripheral and memory domains
  • Circular ring buffer implementation for lossless stream processing
  • "Idle Line Detection" (IDLE IE) for variable-length UART reception

Storage & File Systems

  • Raw block-level SD Card read/write access via SDMMC
  • FatFs Middleware integration and sector alignment
  • File handle management & continuous CSV data logging

Advanced Memory (QSPI)

  • High-speed Quad-SPI Flash memory interface (W25Q64)
  • Hardware Auto-Polling mode for status register monitoring
  • Creating External Loaders (.stldr) for Execute-In-Place (XIP)
05
Part 5 · RTOS & Architecture

Structured Development and Real-Time Operating Systems (RTOS)

Architecting professional-grade, multi-threaded firmware.

System Architecture

  • Folder hierarchy & codebase control for large scale firmware
  • The Prefix system for naming and avoiding symbol collisions
  • The "Bootstrap" initialization pattern for decoupled modules

Software Templates

  • Designing the "Golden Template" (.h / .c pair)
  • Modular header include hierarchies and forward declarations
  • Defensive coding and static assert validation rules

FreeRTOS Fundamentals

  • Preemptive scheduling, task states & execution priorities
  • CMSIS-RTOS V2 standard abstraction layer interface
  • Task stack allocation and dynamic memory management

Inter-Task Communication

  • Thread-safe message Queues for passing telemetry
  • The Producer-Consumer architectural design pattern
  • Mutexes, Semaphores & preventing priority inversion
06
Part 6 · GUI & Cloud IoT

Graphics, Connectivity, and Advanced Hardware

Industrial GUIs and bridging the gap to the Cloud.

Graphics User Interface (GUI)

  • Porting the LVGL (Light and Versatile Graphics Library) to STM32
  • Display buffer flushing, DMA acceleration & image preparation
  • Mathematical real-time graph plotting & custom interactive widgets

Wireless Networking (WiFi)

  • Using ESP32 as an intelligent Wireless Co-Processor
  • Asynchronous AT Command parsing state machines
  • High-speed data transfer between STM32 and ESP32 via UART DMA

IoT Telemetry Protocols

  • MQTT Publish/Subscribe broker architecture & QoS levels
  • Structured JSON payload formatting & compact serialization
  • Live Cloud telemetry data pipelines & remote command dispatch

Cellular IoT (LTE-Cat1)

  • LTE-Cat1 GSM cellular modem hardware integration
  • SMS-based telemetry synchronization and remote alarms
  • Cellular base station network time synchronization with local RTC
07
Part 7 · Edge Systems & Linux

Edge Computing and Single Board Computers

Systems automation, Linux mastery, and high-performance IoT gateways.

Edge SBC Architecture

  • Single Board Computers (SBC) vs. Microcontrollers (MCU)
  • Raspberry Pi Headless setup and headless OS flashing
  • Cryptographic SSH key-based authentication & system security

Linux System Mastery

  • Linux command line navigation, permissions & shell automation
  • Creating systemd background daemons and service watchers
  • Python virtual environment (venv) lifecycle management

Go (Golang) on the Edge

  • Compiled vs. Interpreted language benchmarks for edge services
  • Static single-binary cross-compilation for ARM target platforms
  • Mastering high-throughput concurrency with Goroutines & Channels

Industrial IoT Gateways

  • Building cross-compiled Go network bridge daemons
  • Industrial data routing and bidirectional protocol transformation
  • Bridging MCU serial feeds directly to cloud dashboards
📌 Note: SBC hardware (Raspberry Pi) is not included in the student hardware kit; the course focuses on software, CLI, and network proficiency.

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