Embedded Shiksha
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 1/15/2024 in #middleware-and-os
Starting Linux Kernel Series with this very basic question
How many of you think that Linux is a full-fledged Operating System ?
3 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 12/5/2023 in #middleware-and-os
"Diving into the Linux Kernel: A Collaborative Series"
Greetings Fellow Linux Aficionados,
Welcome to the inception of a Linux Kernel series - an expedition into the heart and soul of the Linux operating system. This series is an open invitation to explore, learn, and contribute as we unravel the complexities and wonders of the Linux Kernel.
Why the Linux Kernel?
At the core of every Linux distribution lies the magnificent Linux Kernel - the powerhouse orchestrating hardware, software, and user interactions. Understanding its intricacies not only unveils the magic behind Linux but empowers us to tailor our systems to our exact needs.
The Series Unveiled
In this comprehensive series, we're embarking on a journey that traverses the depths of the Linux Kernel. From the foundational aspects for those just stepping into kernel exploration, to more advanced topics for seasoned enthusiasts, we'll chart a course that satisfies every level of curiosity.
Collaboration: Your Voice Matters
This series is more than just words on a screen - it's an open invitation for collaboration. Your insights, experiences, and perspectives are invaluable. Join this endeavor and let's create a vibrant community-driven series where your contributions shape the narrative.
Upcoming Explorations
Our initial post will commence by demystifying the Linux Kernel: its genesis, its evolution, and its significance in the tech landscape. Subsequent posts will delve deeper into various kernel components, debugging techniques, driver development, and more.
Join the Kernel Conversation
I'm excited to commence this expedition into the Linux Kernel together. Let's explore, share knowledge, and build a collaborative space where everyone's expertise adds value.
Looking forward to your insights and suggestions!
Warm regards,
EmbeddedShiksha
5 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 12/5/2023 in #code-review
Find the Bug in this code .
#include <stdio.h>
void initializeArray(int arr[]) {
int size = sizeof(arr) / sizeof(arr[0]); // Incorrect way to find the array size
for (int i = 0; i < size; ++i) {
arr[i] = i * i;
}
}
void printArray(int arr[]) {
int size = sizeof(arr) / sizeof(arr[0]); // Incorrect way to find the array size
for (int i = 0; i < size; ++i) {
printf("%d ", arr[i]);
}
printf("\n");
}
int main() {
int myArray[10];
initializeArray(myArray);
printArray(myArray);
return 0;
}
2 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 12/5/2023 in #code-review
Convert 2D image Data to 1D array .
Let say you have a 2D array which store pixel value of an image . Write a program to convert 2D data in 1D array so that i can have random access to data with given (x,y) coordinate .
2 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 11/22/2023 in #middleware-and-os
Parsed loop Techniques
Thought of Writing about Parsed Loop Techniques Today .
The "parsed loop" technique is a programming strategy used in real-time embedded systems where precise timing requirements must be met. This method involves breaking down a sequence of operations into smaller segments, often implemented as loops, to ensure that each segment executes within specific time constraints.
Here's how it typically works:
1. Segmentation: The task or operation to be performed is broken down into smaller segments or steps.
2. Looping: Each segment is executed within a loop, with careful consideration of the time it takes to complete each iteration.
3. Synchronization: The timing is synchronized in such a way that the cumulative time taken by these loops matches the required timing constraints.
4. Iterative Execution: The loops are iterated a specific number of times to meet the overall timing requirements.
This technique demands precise control over timing and often involves low-level optimizations to ensure that the system operates within strict constraints.
Thoughts: The parsed loop technique can be both powerful and challenging. It allows developers to achieve precise timing in embedded systems, crucial in scenarios like controlling hardware interfaces or handling real-time data. However, it requires a deep understanding of the hardware, meticulous optimization, and can be complex to maintain and debug.
What are your thoughts on using parsed loop techniques in embedded systems? Have you ever encountered challenges or successes when implementing such methods to meet strict timing requirements?
2 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 11/6/2023 in #pcb-and-analog
Trace32 Initialization Problem
i am using Trace32 for debugging my embedded system, but I'm having trouble with the initialization process. Trace32 is not recognizing the target device. How can I troubleshoot and resolve this initialization issue?
2 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 11/6/2023 in #pcb-and-analog
Texas Instruments Tiva C-Series MCU-Based Application
developing a real-time embedded system using a Tiva C-Series MCU for a medical device. The system needs to maintain precise timing for data acquisition. How can I ensure reliable and continuous data sampling in real-time without missing data points?
2 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 11/3/2023 in #middleware-and-os
Anybody here who has good idea of Lens shading correction algo used in camera ISP ?
Need some info on Lens shading correction algo used in camera ISP
1 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 11/3/2023 in #pcb-and-analog
Optimizing Power Consumption for STM32-based Wearable Health Monitor?
I am currently working on the development of a wearable health monitor based on the STM32 microcontroller. The device is intended for continuous monitoring of vital signs, such as heart rate and body temperature, and it is battery-powered.
I am facing a significant challenge in optimizing power consumption to ensure extended battery life without compromising the real-time monitoring capabilities. This is crucial, as users rely on the device for accurate and uninterrupted health data.
I'm seeking insights and strategies to efficiently manage power consumption in this real-time STM32 application. Specifically, I would like to know how to:
Minimize power consumption during periods of inactivity while ensuring the device remains responsive to vital sign changes.
Implement low-power modes or strategies that allow the microcontroller to enter sleep or standby states and wake up promptly to collect and transmit data when needed.
Utilize STM32's hardware features and HAL functions to achieve power-efficient sensor and communication module control.
Balance the need for real-time monitoring with power-saving measures, such as sensor sampling rates and communication intervals.
If you have experience with STM32-based wearable health devices or expertise in power optimization for real-time applications, I would greatly appreciate your insights and suggestions. Your guidance will be instrumental in enhancing the usability and practicality of this healthcare solution.
7 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 11/3/2023 in #pcb-and-analog
Which RTOS is best for developing medical devices?
"Which RTOS is recommended for the development of medical devices? I'm looking for insights and recommendations regarding RTOS options that are well-suited for building reliable and compliant medical devices."
5 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 11/2/2023 in #middleware-and-os
Can I use a Raspberry Pi for cross-compiling code for an ESP32 microcontroller?
Cross-compiling for different microcontroller architectures often requires specific toolchains. Is it feasible to set up an ESP32 toolchain on a Raspberry Pi?
6 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 10/24/2023 in #middleware-and-os
Concurrency and Parallelism
What approaches can I use to leverage the power of multi-core processors while ensuring synchronization and preventing race conditions in RTOS applications?
2 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 10/24/2023 in #middleware-and-os
Memory Management on ARM
What is the best approach to manage memory efficiently, considering the constraints of ARM-based systems?
2 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 10/24/2023 in #middleware-and-os
How can I ensure my ARM-based software is compatible with various ARM architectures and versions?
How can I ensure my ARM-based software is compatible with various ARM architectures and versions?
8 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 10/24/2023 in #middleware-and-os
How can resources and memory be effectively shared between two RTOS
How can resources and memory be effectively shared between two RTOS instances on a single-core processor?
2 replies
DIIDevHeads IoT Integration Server
•Created by Embedded Shiksha on 10/22/2023 in #middleware-and-os
Suggest good CPU profiling tool for linux bases platform .
Any suggestions for Good CPU profiling tool needs to be used for ARM based Device and using Linux Platform .
#ARM
3 replies