Table of Contents Add a header to begin generating the table of contents Introduction C is a versatile computer programming language known for its importance and remarkable features, making it a top choice in various applications. It’s employed for creating operating systems (Ex: Linux Kernel) and software for a wide range of computers, from powerful […]
Why is C The Most Preferred Language for Embedded Systems? Read More »
Table of Contents Add a header to begin generating the table of contents Introduction to IoT The Internet of Things (IoT) is an ecosystem of connected physical devices/objects that are accessible through the internet. This introduction to IoT includes insights into its components, the benefits of IoT, and high-level architecture. IoT is a system of interrelated devices, digital products,
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Table of Contents Add a header to begin generating the table of contents Introduction In C programming, pointers are an important topic, which plays a crucial role in memory management and data manipulation. As the definition goes, a pointer is a variable that stores the memory address of another variable, and plays an important role
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Table of Contents Add a header to begin generating the table of contents Introduction In the realm of C programming, pointers play a pivotal role as invaluable tools that enable us to efficiently manage memory and manipulate data. However, the terminology surrounding pointers can sometimes become perplexing, especially when dealing with two fundamental concepts: “Constant
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Table of Contents Add a header to begin generating the table of contents Introduction In any programming language, including C, there exists a set of reserved keywords, such as typedef, that cannot be utilized as variable names. These keywords hold special meanings and play a crucial role in the language syntax. In C programming,
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Table of Contents Add a header to begin generating the table of contents Bit-Fields : Be ‘Bit’ Careful While Using! In Embedded systems C programming, bit-fields offer optimization and flexibility benefits but require careful usage to avoid adverse results. The code snippet below illustrates a structure named “bit_field” with three integer fields: hours (5
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Table of Contents Add a header to begin generating the table of contents Type Promotion in C Type promotion in C is a method to convert any variable from one datatype to another. C allows variables of different datatypes to be present in a single expression. There are different types of type conversions available in
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Table of Contents Add a header to begin generating the table of contents Introduction Let us understand what a datatype is, before we start learning about Enumeration in C. Datatype in any programming language is the collection or group of data with the values which has fixed characteristics. There are three different datatypes generally in
Table of Contents Add a header to begin generating the table of contents Introduction Programming is defined as a process of creating a set of instructions that tells a computer how to perform a task. The main purpose of programming language is to find a sequence of instructions that will be executed by the processor,
Scripting v/s Programming languages : Which one to choose? Read More »
Table of Contents Add a header to begin generating the table of contents An operator that performs operation on a “bit-level” is said to be bit-wise operator. Generally, bitwise operators in C operate on a single bit at a time. Though it operates on a bit at a time, it needs one byte as input.
Bitwise Operators in C – Common Mistakes and How to Avoid Them Read More »
Table of Contents Add a header to begin generating the table of contents How Many Programming Languages Should I Learn? How Many Programming Languages Should I Learn? – This is a classic question we get all the times from our students. sometimes even working professionals ask the same. Simple answer from us – Why are you
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Table of Contents Add a header to begin generating the table of contents Sizeof Operator in C In C programming, the unary operator sizeof() returns the size of its operand in bytes. The sizeof() operator is discussed in detail in this article, along with illustrative examples of code. Sizeof() is used extensively in the C
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Introduction Dangling pointers in C – Usage and how to prevent them. Great guide for C newbies and Embedded systems programmers. Tutorial with practical examples. Dangling pointers are those that do not point to valid objects. Pointers are like sharp knives that have tremendous power in C programming. When used properly, they reduce the complexity of the
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Table of Contents Add a header to begin generating the table of contents Dangling Pointers : Be “STRICTLY” Avoided ! Pointers are like sharp knives in C-Programming which are having tremendous power. Pointers, when used properly reduces the complexity of the programs to a great extent. But, on the counterpart when not used properly results in adverse effects,
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Table of Contents Add a header to begin generating the table of contents Introduction Volatile Qualifier in C language, which is applied to a variable when it is declared. It is used extensively while writing programs for embedded systems, especially when dealing with hardware. Most often, Volatile variable usage stumps an embedded system programmer with unexpected
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Table of Contents Add a header to begin generating the table of contents Introduction As a sequel to the previous article about Split command, thought of sharing another useful command called ‘cut’ that is available in Linux environment. Similar to split, often we run into some situations where configuration to be read from a
Cut Command : Filtering What You Want Read More »
As an Embedded C programmer, understanding pointers is very important. Given the resource constraints in embedded system, one has to ensure memory is utilized in most optimized fashion, where pointers come in handy. While using pointers programmers often come across confusion between constant pointers and point to a constant. Here is an article that describes differences between
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Table of Contents Add a header to begin generating the table of contents Introduction Often when we walk into car garage, one can observe that the mechanic having different type of spanners, screw drivers for fixing different set of problems. These are nothing but tools that makes life of the mechanic easier. In the
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Table of Contents Add a header to begin generating the table of contents Introduction The Japanese concept of ‘poka-yoke’ talks about preventing mistakes by introducing certain mechanisms. It was originally designed for machinery which can be applied for any other aspect of life as well. What about mistake proofing in C programming ? The earlier we get
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Introduction In the past few posts we have been checking various aspects related to bit fields. In this blog, let us focus on the disadvantages of using bitfields in memory Portability is basically about having the same program or application running across various processor architecture. When it comes to embedded systems portability plays a very
Pit-falls of Bit-fields Read More »
Table of Contents Add a header to begin generating the table of contents Sizeof : Brief The unary operator size of operator in C programming is used to calculate the size of any datatype, measured in the number of bytes required to represent the type. The result of size of operator in C programming the
Face-off with sizeof() Read More »
