Introduction to 32-Bit Embedded System
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The document discusses the importance of embedded systems, highlighting their role in various applications such as GPS, medical devices, and automotive technologies. It emphasizes the significance of real-time responsiveness, low power consumption, and efficient design while also covering topics related to embedded C programming and STM32 microcontrollers. Key concepts include peripheral interaction, interrupt handling, and the functionality of analog-to-digital converters.
Introduction to 32-Bit Embedded System
- 1. 32-BIT PROCESSOR-BASED EMBEDDED SYSTEMS Sumit Mohanty Speaker IOT & Embedded Trainer
- 2. PREFACE Embedded systems are the hidden heroes that power our modern world. They are specialised computer systems designed to perform specific tasks within larger devices, making our lives easier and more connected.
- 3. EXAMPLES GPS systems Fitness trackers Medical devices ATMs Electric vehicle charging stations Automotive systems Navigation technology using satellite signals. Embedded device tracking and analyzing physical activities. Embedded systems for diagnosing, monitoring, and treating patients. Embedded systems for secure, automated financial transactions. Embedded systems managing electric vehicle charging infrastructure. Embedded technology powering vehicle functions and safety features. 01 02 03 04 05 06
- 4. IMPORTANCE Real-Time Responsiveness Specific Functionality Low Power Consumption Connectivity and IoT Integration Cost and Space Efficiency Safety and Security Enables quick and accurate responses to external events. Designed for specialized tasks in various industries. Optimized for minimal energy usage and longer battery life. Facilitates device communication and participation in IoT. Compact and affordable without compromising performance. Ensures reliable operation and protects against threats. 01 02 03 04 05 06
- 5. EMBEDDED C PROGRAMMING Embedded C programming Hardware interaction Efficiency and optimization Writing software programs in C for specialized embedded systems with limited resources and specific hardware constraints. Directly accessing and controlling hardware peripherals such as sensors, actuators, and communication interfaces. Designing code for minimal memory usage, efficient processing, and real- time functionality in resource-constrained embedded systems.
- 6. BASICS OF EMBEDDED C PROGRAMMING Data types Variables Operators Control structures
- 7. INTRODUCTION TO ARM PROCESSOR ARM ARCHITECTURE LOW POWER CONSUMPTION SCALABILITY
- 8. STM32 MICROCONTROLLER Step into the realm of STM32 microcontrollers, where innovation and versatility converge. These microcontrollers from STMicroelectronics are renowned for their rich feature sets and exceptional performance.
- 9. FEATURES OF STM32 MICROCONTROLLERS: Clocking System GPIOs Timers Communication Interfaces
- 10. PERIPHERALS AND MEMORY MAPPING OF STM32 MICROCONTROLLER Dive into the memory realm of STM32 microcontrollers. Discover the Flash memory, where your program code resides, and the SRAM, where your data finds a temporary home. PERIPHERAL REGISTERS REGISTER-LEVEL PROGRAMMING
- 11. GPIOS (GENERAL PURPOSE INPUT/OUTPUT) GPIO Pins: GPIO Configuration and Control: versatile digital pins read signals from external devices drive signals to control external devices Pin Mode Speed Control Pull-Up/Pull-Down Resistors
- 12. TIMERS Timer Types: Timer Configuration and Usage: General-Purpose Timers Advanced-Control Timers Timer Modes Prescaler Settings Counter/Period Configuration
- 13. INTERRUPT HANDLING AND NVIC INTERRUPTS Interrupts are a mechanism that allows the microcontroller to respond to external events or internal conditions in a timely manner. • Interrupt Priorities: Interrupts can have different priorities to determine their order of execution when multiple interrupts occur simultaneously. • Nested Vectored Interrupt Controller (NVIC): NVIC manages the prioritisation and handling of interrupts in the microcontroller.
- 14. UART (UNIVERSAL ASYNCHRONOUS RECEIVER-TRANSMITTER) • UART is a widely used protocol for asynchronous serial communication between two devices. • It allows for the reliable transmission of data using a start bit, data bits, optional parity bit, and stop bit(s).
- 15. UART CONFIGURATION AND DATA TRANSMISSION/RECEPTION BAUD RATE FRAME FORMAT INTERRUPTS OR POLLING
- 16. ADC (ANALOG-TO-DIGITAL CONVERTER) & DAC (DIGITAL- TO-ANALOG CONVERTER) ADC: Analog-to-Digital Converter converts analog signals from sensors or other sources into digital values that can be processed by the microcontroller. DAC: Digital-to-Analog Converter converts digital values into corresponding analog signals.
- 17. CONFIGURATION AND USAGE OF ADC AND DAC • ADC Configuration: Set the sampling rate, resolution, and reference voltage for accurate analog-to-digital conversion. • ADC Applications: Examples include reading sensor data such as temperature, light intensity, or sound levels. • DAC Configuration: Configure the output range and resolution for precise digital-to- analog conversion. • DAC Applications: Examples include generating audio signals, controlling analog circuits, or producing varying voltage levels. ADC DAC
- 18. Proficiency in Embedded C Programming Knowledge of ARM Processor Architecture Familiarity with STM32 Microcontroller 01 02 03 Key Takeaways
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