How to Write Your First Line of C Code on Mac? Xcode. You can simply write it in the Xcode editor, which integrates a C language compiler. Below, I’ll briefly outline this process. 1. Download Xcode Download Xcode; if you haven’t downloaded it yet, just go to the App Store to download it. (Image 1) … Read more
The C language also provides another way for multi-branch selection using the switch statement, which has the general form:switch(expression){ case constant_expression1: statement1; case constant_expression2: statement2; … case constant_expressionn: statementn; default: statementn+1;}The semantics are: calculate the value of the expression. Then compare it one by one with the subsequent constant expression values. When the value of … Read more
1. What are the advantages and disadvantages of C language and assembly language in microcontroller development? Answer: Assembly language is a symbolic language that uses mnemonic words to represent machine instructions, making it the closest language to machine code. Its main advantages are low resource usage and high execution efficiency. However, assembly languages may differ … Read more
STM32 and 51 microcontrollers are two common series of microcontrollers, which differ in hardware architecture, performance characteristics, and programming methods. However, from the perspective of C language programming, I believe they are quite similar. Let’s compare their programming characteristics: 51 & STM32 STM32: STM32 is a 32-bit microcontroller based on the ARM Cortex-M core, featuring … Read more
Click the blue text above Follow us! The const keyword in C is crucial, and today we will delve into the definition and practical applications of const so that it is no longer a mystery. In C, the const keyword is an abbreviation for constant, meaning it remains unchanged. It is usually translated as constant, … Read more
During the process of writing this 8*8 key program, whether I was writing it myself or referencing others’ programs, I found that I had many misunderstandings about some basic points of C language and programming norms. Some were due to my previous bad programming habits, and some were a manifestation of not having a solid … Read more
Software | Introduction KEIL C51 is a PLC programming software based on uVision IDE, specifically designed for C language software development for the 51 series microcontrollers. It features the industrial standard Keil C compiler, macro assembler, debugger, real-time kernel, single-board computer, and simulator, supporting all 251 series microcontrollers. Installation | Overview 【Installation Process】: A total … Read more
