Vijay Bhaskar Reddy Bogati’s Post

DMA, or Direct Memory Access, is a technique utilized in embedded systems to efficiently transfer data between peripherals (like input/output devices or serial interfaces) and memory without constant intervention from the microcontroller or microprocessor. Here's a concise explanation of DMA and its use in embedded systems: Subscribe my channel for more. https://lnkd.in/dGdNRGkU 1. DMA Definition: DMA stands for Direct Memory Access. It's a method employed in embedded systems to enable peripherals to directly access system memory for data transfer, reducing the involvement of the microcontroller or microprocessor. 2. Usage in Embedded Systems: - Efficient Data Transfer: DMA is used in embedded systems to achieve faster and more efficient data transfers. Peripherals can request DMA access, and the DMA controller takes over the task of managing data movement between the peripheral and memory. - Parallel Processing: By allowing peripherals to handle data transfers independently, DMA enables the microcontroller or microprocessor to focus on other tasks concurrently. This parallel processing enhances system performance. - High-Speed Operations: In applications like streaming audio or video, where data transfer speed is critical, DMA is crucial. It ensures that data can be moved swiftly and consistently. - Resource Offloading: DMA also helps offload processing tasks from the microcontroller, freeing up its resources for other essential functions. This resource optimization is particularly beneficial in resource-constrained embedded systems. #DMA #embeddedsystems #embeddedc #embeddedengineer #firmware #development #microcontrollers #programming #dailylearning

🔧 Passion for Embedded Systems: My Journey with ATmega328P 🔧 I’ve always been fascinated by the world of embedded systems and the incredible potential they offer for innovation and problem-solving. My journey in this field has been both challenging and rewarding, particularly through my hands-on experience with the ATmega328P microcontroller. What I’ve Learned with ATmega328P: • Bare Metal Programming: Diving into low-level programming with C has given me a profound understanding of hardware interaction. I’ve optimized performance by working directly with microcontroller registers, including: • ADC Registers: ADMUX, ADCSRA, ADCH, ADCL for precise analog measurements. • Timer Registers: TCCR0A, TCCR0B, TCNT0, OCR0A, OCR0B for generating accurate delays and PWM signals. • USART Registers: UBRR0H, UBRR0L, UCSR0A, UCSR0B, UCSR0C for serial communication. • I/O Port Registers: DDRB, PORTB, PINB for configuring and controlling GPIO pins. • Interrupt Registers: EIMSK, EIFR, PCICR for managing external and pin change interrupts. • ADC (Analog-to-Digital Conversion): Implemented precise analog measurements by configuring ADC registers, enabling detailed signal processing and data acquisition. • Timers and Counters: Mastered various timer and counter registers for managing real-time operations, generating PWM signals, and creating accurate time delays. • Communications: Explored communication protocols (I2C, SPI, UART) by configuring their respective registers, facilitating efficient data exchange with sensors and peripherals. Why Embedded Systems? 🤖 Embedded systems are at the core of many applications that shape our daily lives. The unique combination of hardware and software engineering allows us to design efficient, reliable, and innovative solutions. The ability to control and monitor devices at a granular level is both empowering and exciting. I’m eager to continue exploring new technologies and applications in this field, pushing the boundaries of what’s possible with embedded systems. If you share a passion for this domain or have insights to share, I’d love to connect and discuss further! #EmbeddedSystems #ATmega328P #BareMetalProgramming #ADC #Timers #Communications #Engineering #Innovation #TechPassion

A couple of years ago I released a Hackster.io project on the MiniZed and Motor Control. I have just released a project on the Avnet Integrated ZUBoard which uses PetaLinux and the Micro Click 3 to do simple motor control. However, this project really focuses on Petalinux and I2C and SPI Dev etc so if you want to get started with PetaLinux it is also a good place to start. #fpga #fpgadesign #electronics #motorcontrol #embeddedsystems #engineering #embeddedlinux #embeddedsoftware https://lnkd.in/eFHE-hRK

🌟 𝐃𝐚𝐲 𝟳𝟏 𝐨𝐟 𝐌𝐲 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐉𝐨𝐮𝐫𝐧𝐞𝐲! 🚀 Today, I embarked on an in-depth exploration of interrupts in microcontroller programming. Interrupts are a crucial aspect of embedded systems, allowing for efficient handling of real-time events. Here’s a detailed look at interrupts and their classification: *) What is an Interrupt? An interrupt is a signal that prompts the processor to temporarily halt its current tasks, save its state, and execute a specific function known as an Interrupt Service Routine (ISR). After the ISR is executed, the processor resumes its previous task. This mechanism enables real-time response to asynchronous events, enhancing the efficiency and responsiveness of the system. Classification of Interrupts Here are the main categories: 1. Hardware Interrupts :    - External Hardware Interrupts : Triggered by external devices such as keyboards, mice, sensors, and other peripherals.   - Internal Hardware Interrupts : Generated by on-chip peripherals like timers, ADCs (Analog-to-Digital Converters), and communication interfaces (e.g., UART, SPI, I2C). 2. Software Interrupts :   Maskable Interrupts :   - These interrupts can be enabled or disabled by setting or clearing a specific bit in an interrupt mask register.   - Example: Peripheral interrupts that can be disabled during critical sections of code. Non-Maskable Interrupts (NMI) :   - These interrupts cannot be disabled and are reserved for critical events that require immediate attention.   - Example: Power failure or hardware fault. Handling Interrupts : 1. Interrupt Vector Table : A table storing the addresses of ISRs. When an interrupt occurs, the processor uses this table to jump to the appropriate ISR. 2. Interrupt Service Routine (ISR) : A special function executed in response to an interrupt. It should be short and efficient to minimize latency. Benefits of Interrupts : - Real-Time Response : Allows immediate handling of critical events. - Efficient CPU Utilization : CPU can perform other tasks instead of constantly polling peripherals. - Multitasking : Enables concurrent handling of multiple events and tasks. #EmbeddedSystems #DigitalLogic #Interrupts #Day71 #LearningJourney #TechLearning #Microcontrollers #Electronics

Power-supply sequencing is always essential in high-performance processing devices like DSP, CPU, FPGA, in order to achieve reliable operation, enhance efficiency and overall system health. Figure 1 is a schematic diagram of a power-supply sequencing. The high-performance processing device in the diagram has four power-supply inputs named VCC1, VCC2, VCC3, VCC4 respectively, which are used to power different modules in the device. Four DC/DC LDO modules monitored and controlled by a voltage supervisor are used to provide the power-supplies for the four power inputs. Read full article in below link https://lnkd.in/g3BMP5Uv #voltage #power #supply #dcdc #dsp #cpu #fpga #system #health #ram #processor #test #picoscope #labview #adc #sdk Pico Technology Pico Technology (India) Hari ram Sanket Bandyopadhyay, FMVA®,CLSSBB Vishnu Surendran Manoj Kumar MOHIT SINGH Vinuraj Babu Arun kumar Arunprasath K Himanshu Patel Himanshu Sharma Himanshu Rai Himanshu D. Bhute Aditya Jain Aditya Singh Arun Krishna R Sanjeev Sharma SANJEEV KAUSHIK Tejesh kumar Singh Manjeet Beniwal Rajeev Thakur, P.E. Amit Jain Amit Singh Amit Saroch Chetan Sharma Pankaj Gupta Arun Singh Arun Kumar PM SHIVA PALAPALA Pinaki Rudra Karak Paresh Patel Paresh Panchal Vansh Prajapati Shreya Shah B Vasu Dev Beeresh H Shubham Mishra Subham Kumar Prusty ANUGRAH YADAV

Watch the concept 🔥, how I2C, SPI and UART communication protocol works?⚡ ⚡I2C (Inter-Integrated Circuit) ● Purpose: I2C is a multi-master, multi-slave communication protocol commonly used to connect low-speed peripherals to a motherboard, embedded system, or microcontroller. ● Communication: It uses a two-wire interface, consisting of a data line (SDA) and a clock line (SCL). ⚡SPI (Serial Peripheral Interface) ● Purpose: SPI is a synchronous serial communication protocol used for high-speed communication between microcontrollers, sensors, memory devices, and other peripherals. ● Communication: SPI uses four signals: Master Out Slave In (MOSI), Master In Slave Out (MISO), Serial Clock (SCK), and Chip Select (CS). ⚡UART (Universal Asynchronous Receiver-Transmitter) ● Purpose: UART is a simple, asynchronous serial communication protocol used for point-to-point communication between two devices. ● Communication: UART uses two wires: Transmit (TX) and Receive (RX). It sends data as a series of bits without a separate clock signal. Subscribe the channel to get more updates https://lnkd.in/gNDt9Qv8 #embeddedsystems #programming #protocols #cprogramming

An exciting development is underway in the world of microcontrollers as an open-source version of the #Z80 microcontroller is being constructed to fill the void left by the discontinuation of the original Z80 dual in line package microcontroller. Zilog now under the umbrella of Ixys and Littelfuse, recently announced the end of life for the original DIP version of the Z80, prompting the need for a new solution. Renaldas Zioma, a prominent chip designer, emphasized the importance of the open-source and hardware preservation community stepping in to provide a Free and Open Source Silicon replacement for the Zilog Z80. This initiative aims to ensure the continued availability of a key component in the world of microcontrollers, which has powered numerous chips over the years. #electricalengineering #electronics #embedded #embeddedsystems #electrical #computerchips Follow us on LinkedIn to get daily news: HardwareBee - Electronic News and Vendor Directory

A Brave New World of Emulation and Software Prototyping https://lnkd.in/en2RfV5x The guys and gals at Siemens have just announced not one, not two, but three new families of congruent ASIC/SoC emulation and software prototyping solutions that bring tears of joy to my eyes.

#snsinstitutions #snsdesignthinkers #designthinking #embeddedsystems An embedded system is a computer system—a combination of a computer processor, computer memory, and input/output peripheral devices—that has a dedicated function within a larger mechanical or electronic system.[1][2] It is embedded as part of a complete device often including electrical or electronic hardware and mechanical parts. Because an embedded system typically controls physical operations of the machine that it is embedded within, it often has real-time computing constraints. Embedded systems control many devices in common use.[3] In 2009, it was estimated that ninety-eight percent of all microprocessors manufactured were used in embedded systems.[4][needs update] An embedded system on a plug-in card with processor, memory, power supply, and external interfaces Modern embedded systems are often based on microcontrollers (i.e. microprocessors with integrated memory and peripheral interfaces), but ordinary microprocessors (using external chips for memory and peripheral interface circuits) are also common, especially in more complex systems. In either case, the processor(s) used may be types ranging from general purpose to those specialized in a certain class of computations, or even custom designed for the application at hand. A common standard class of dedicated processors is the digital signal processor (DSP).

#snsinstitutions #snsdesignthinkers #designthinking #embeddedsystems An embedded system is a computer system—a combination of a computer processor, computer memory, and input/output peripheral devices—that has a dedicated function within a larger mechanical or electronic system.[1][2] It is embedded as part of a complete device often including electrical or electronic hardware and mechanical parts. Because an embedded system typically controls physical operations of the machine that it is embedded within, it often has real-time computing constraints. Embedded systems control many devices in common use.[3] In 2009, it was estimated that ninety-eight percent of all microprocessors manufactured were used in embedded systems.[4][needs update] An embedded system on a plug-in card with processor, memory, power supply, and external interfaces Modern embedded systems are often based on microcontrollers (i.e. microprocessors with integrated memory and peripheral interfaces), but ordinary microprocessors (using external chips for memory and peripheral interface circuits) are also common, especially in more complex systems. In either case, the processor(s) used may be types ranging from general purpose to those specialized in a certain class of computations, or even custom designed for the application at hand. A common standard class of dedicated processors is the digital signal processor (DSP).