What is the correct C build sequence for an embedded program?

The usual sequence is source code, preprocessing, compilation, assembly, linking, and then generating the target executable or binary file.

What is the maximum unsigned value that an 8-bit memory location can store?

An 8-bit unsigned value can store 255, because its binary range is 00000000 to 11111111.

How are the 32 bits of a C float typically allocated?

A standard IEEE 754 single-precision float uses 1 sign bit, 8 exponent bits, and 23 fraction (mantissa) bits.

Free Course Image Embedded C Programming Course for beginners

Free online course Embedded C Programming Course for beginners

Duration of the online course: 17 hours and 8 minutes

4.5

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Build real Embedded C skills fast with a free online course—learn compilation flow, data types, binary/hex, and work confidently with host vs target systems.

In this free course, learn about

Programming Foundations and Development Setup
Number Systems and C Language Fundamentals
ARM Cortex-M Architecture Fundamentals
C Operators, Control Flow, and Functions
Pointers, Structures, and CMSIS
Preprocessor, GPIO Input, and Embedded C Qualifiers
TM4C123 Embedded GPIO Projects

About the free online course

Embedded systems power the devices we rely on every day, and C remains the language at the center of that world. This free online course is designed for beginners who want a clear path from zero to confidently reading, writing, and reasoning about Embedded C code. Instead of assuming prior knowledge, it builds your foundation step by step so you can understand not only what to type, but why it works in real hardware-oriented workflows.

You will start by demystifying what a computer program actually is and how C code becomes machine-ready. Understanding the build flow matters in embedded work, where a small mistake in the toolchain can lead to confusing results. Along the way, you will gain practical clarity on standardization, file generation, and the difference between the host machine where you write code and the target machine where your program runs. You will also get oriented with the typical hardware and software setup used in embedded development and learn how IDE support fits into daily coding.

A strong embedded developer is comfortable thinking in bits, so this course makes number systems intuitive. You will practice binary, decimal, and hexadecimal conversions and learn how computers store values at the lowest level, including what fits inside common memory sizes such as 8-bit storage. This knowledge helps you prevent bugs related to overflow, representation limits, and data interpretation when working close to hardware.

From there, you will build solid C fundamentals tailored to embedded realities: comments and escape sequences, variables and naming rules, and the difference between local and global scope in a way that connects directly to reliability and maintainability. You will explore core data types such as char, int, and float, including how characters relate to ASCII and how floating-point bits are allocated. Finally, you will learn type casting so you can control conversions deliberately instead of letting hidden behavior create subtle defects.

By the end, you will have a practical mental model for how Embedded C programs are built and executed, plus the confidence to write clean beginner-level code that matches how embedded systems truly work.

Course content

Video class: What is a Computer Program ? - Explained 06m
Exercise: Which tool in an IDE checks your C program for errors before converting it to machine code?
Video class: C Program Standardisation - Explained 02m
Video class: File generation sequence in C Program 09m
Exercise: What is the correct C build sequence from source to machine-ready object in an embedded workflow?
Video class: Host Machine and Target Machine 03m
Video class: Hardware and software used in embedded c programming course 02m
Exercise: Which IDE is used as a universal suite for both microcontroller boards in this Embedded C Programming course?
Video class: Installing softwares to PC 14m

Video class: Binary to Decimal 16m
Exercise: Convert decimal 82 to its 8-bit binary representation
Video class: Binary to hexadecimal 07m
Video class: How Computers Store Numbers and Why Do Computers Use 1s and 0s? Binary and Transistors Explained. 14m
Exercise: What is the maximum unsigned value an 8-bit memory location can store?
Video class: Escape sequence in C 13m
Video class: Comments in C language 05m
Exercise: In embedded C, which syntax is used to comment out a block of code across multiple lines?
Video class: What is variable in C ..? 07m
Video class: Datatypes in C 07m
Exercise: Which statement about C data types in embedded systems is correct?
Video class: char datatype in C 20m
Video class: ASCII in C 07m
Exercise: In Embedded C, what is the decimal range of standard ASCII codes?
Video class: Variable naming rules in C 05m
Video class: Local and Global Variables 04m
Exercise: In Embedded C, which statement about local vs global variables is correct?
Video class: int datatype in C 11m
Video class: Float Datatype in C 19m
Exercise: How are the 32 bits allocated in a float in C?
Video class: Typecasting in C 11m

Video class: risc architecture | arm cortex m | embedded systems 07m
Exercise: Which instruction set architecture is most widely used in Intel processors, contrasted with RISC used in many embedded controllers?
Video class: ARM Architecture Fundamentals | Types of ARM Processors | ARM architecture | Embedded Systems 03m
Video class: ARM Buses 06m
Exercise: Choosing the correct bus for high-frequency peripherals on ARM-based MCUs
Video class: Introduction to ARM Cortex M Processor | Embedded Systems 08m
Video class: Arm Cortex-M architecture | Embedded Systems 07m
Exercise: In embedded C on microcontrollers, which statement best describes the Harvard architecture?
Video class: Little and Big Endian Concept in ARM Processor Explained | Embedded Systems 03m
Video class: STM32F446RE Architecture Exxplained 19m
Exercise: Compute a GPIO register address from base and offset
Video class: TM4C123GH6PM Architecture Explained 10m
Video class: Load Store Architecture Explained 10m
Exercise: In ARM Cortex M load store architecture relevant to Embedded C, which instruction stores the 32 bit value from R0 to the memory address held in R1
Video class: Hello World in Embedded C in Keil uVision IDE 17m
Video class: How Computers perform Counting Operations inside CPU of arm cortex M processor 16m
Exercise: In ARM Cortex M, which register holds the address of the next instruction to execute?
Video class: Program Counter in Arm Cortex M 08m

Video class: Arithmetic Operators in C 20m
Exercise: Evaluate C expression with precedence and associativity
Video class: Logical Operators in C 08m
Video class: Relational Operators in C 12m
Exercise: Embedded C relational operators: value of a <= b
Video class: Bitwise Operators in C 22m
Video class: Unary Operator in C 02m
Exercise: After executing int a = 7; a++; what is the value of a?
Video class: Ternary Operator in C 03m
Video class: Conditional Statements in C 24m
Exercise: Choosing the best conditional for state-based actions in Embedded C
Video class: Loopings in C 16m
Video class: Program Status Register in Arm Cortex M processor 28m
Exercise: In ARM Cortex-M PSR, after computing X minus Y for a signed compare, which flag condition indicates X is greater than Y?
Video class: Functions in C 17m
Video class: Difference between Local and Global Variables in Embedded C 06m
Exercise: In Embedded C on microcontrollers, what is the key difference between global and local variables?
Video class: Linker Register in Arm Cortex M 12m
Video class: Arrays in C Explained Practically 16m
Exercise: Which statement best describes arrays in C for embedded programming?
Video class: Creating User defined files in Keil uVision IDE 13m
Video class: Static Keyword in C 17m
Exercise: What happens when a local variable is declared as static inside a function in C?
Video class: Extern Keyword in C 07m

Video class: Pointers in C Language Explained 19m
Exercise: Which line correctly writes 5 to the memory location pointed by p when char a = 7; char* p = &a;
Video class: Accessing memory using pointers in C 17m
Video class: LED Blink Using Pointers in C 50m
Exercise: Which bit pattern configures PA5 as a general purpose output in GPIOA MODER bits 11:10 on STM32F446RE
Video class: Register Bit Set and Clear Technique in Embedded C Explained 18m
Video class: Typedef in C 03m
Exercise: What is the primary purpose of typedef in Embedded C?
Video class: Structures in C Explained 15m
Video class: Structure Padding in C 15m
Exercise: Structure padding: size of a struct with char then int
Video class: Structure Bitfields in C 07m
Video class: Pointers to Structures in C 11m
Exercise: Given a struct date with int day, month, year; date d; date* p = &d; which statement correctly assigns 2022 to the year using the pointer
Video class: Introduction to CMSIS 08m
Video class: Modifying led blink program as per CMSIS Standard part 1 22m
Exercise: Key advantage of CMSIS-style GPIO struct mapping
Video class: Modifying led blink program as per CMSIS Standard part 2 08m

Video class: Preprocessor Directives in C Explained 28m
Exercise: Best way to define a constant peripheral register address without using RAM at runtime
Video class: Modifying LED Blink Program with Preprocessor Directives 05m
Video class: Input devices working logics explained | Pull-up and Pull-down 04m
Video class: Reading bit status in register technique using bitwise operator 08m
Video class: Interfacing Pushbutton with STM32F4 27m
Exercise: In a pull-up configuration for the B1 user button on PC13, which IDR state indicates the button is pressed to turn on LD2 on PA5?
Video class: const Keyword in C Explained 09m
Video class: Volatile Keyword in C Explained 10m
Exercise: In embedded C, why must hardware-mapped registers like GPIO IDR be declared volatile?
Video class: Unions in C Explained 06m

Video class: Blinking LED in Tiva C Series Launchpad Using Pointers 47m
Exercise: Correct sequence to turn on an LED via GPIO in embedded C
Video class: Preprocessor's in C | Defining Addresses in TM4C123GH6PM | Arm Cortex - M | Embedded Systems 07m
Video class: Using Texas Instrument Header File (TM4C123GH6PM.h) in Keil uVision IDE 13m
Exercise: Which register enables the GPIO peripheral clock on TM4C microcontrollers when using the vendor header?
Video class: Understanding 34m
Video class: Using CMSIS file from silicon vendor in our project for first time | TM4C123GXL 20m
Exercise: Best way to toggle an LED in Embedded C without reconfiguring GPIO direction
Video class: Interfacing LED with TM4C123 21m
Video class: Pushbuttons with TM4C123 | tiva c series launchpad | arm Cortex M4F 40m
Exercise: Reading a Push Button with Internal Pull-Up on TM4C123

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