Interrupt – an Important Feature
Interrupt in Embedded world are an pause to main code processing and processing of high priority code (i.e. ISR). Once the code of ISR is processed then resume of main…
UEFI (Unified Extensible Firmware Interface)- What is it?
UEFI is implemented as a firmware program that is stored in a chip on the motherboard of a computer. It is responsible for initializing the hardware components of the system…
Operating modes in ARM Cortex-A controllers
Operating mode is a term used to describe the state of a microcontroller and the resources and instructions that are available to it
Introduction to ARM TrustZone
ARM TrustZone is an embedded security feature that is built into ARM-based microprocessors. It provides a secure environment for sensitive operations.
Process in Linux
n Linux, a process is an instance of a program that is being executed. Each process has its own memory space and is independent of other processes. This means that…
How to detect stack overflow in multi-threaded embedded system?
Stack plays very important role in embedded systems. If stack is growing beyond it configured size then it might be corrupting others data.
How does a named Pipe (FIFO) work in Linux?
A named pipe, also known as a FIFO (first-in, first-out) in Linux, is a type of inter-process communication (IPC) mechanism that allows processes to communicate with each other by exchanging…
How does a pipe() work in Linux
pipe() function in Linux is a system call that creates a new pipe. A pipe is a special type of file descriptor that is used to pass data between two…
Difference between a macro and a const
A macro is a preprocessor directive that defines a constant value that can be used throughout the program. Macros are typically used to define constants that are used in multiple…
Why we have “Volatile” in C?
"Volatile" is a qualifier in C. It is intended to prevent the optimization of the object that can change in manners that cannot be determined by compiler. The best example…