GPIO

20 Commonly Used STM32 MCU Library Functions

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20 Commonly Used STM32 MCU Library Functions

The development of STM32 microcontrollers relies heavily on their powerful library function support. These library functions provide developers with a unified interface, simplifying the operation of low-level hardware, improving development efficiency and the reliability of programs. Below we will share 20 commonly used library functions for STM32 microcontrollers. 1. GPIO Initialization Function void HAL_GPIO_Init(GPIO_TypeDef* GPIOx, … Read more

Introduction to Cortex-M3: Understanding Registers

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Introduction to Cortex-M3: Understanding Registers

This article is reprinted from the Jishu Community Jishu Column: Arm Technology Blog Author: Andy Lok Source: https://zhuanlan.zhihu.com/p/52855259 In this article, we will discuss a very important concept in embedded systems – registers. Since microcontrollers interact with the external environment and control their own functions primarily through registers, the use of registers will be integral … Read more

Go Language Enhances Embedded System Development Efficiency

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Go Language Enhances Embedded System Development Efficiency

Embedded system development usually requires working in resource-constrained environments, such as devices with limited memory and computing power. In such scenarios, the choice of programming language is crucial. Go language (Golang) is becoming a powerful tool for embedded development due to its efficiency, simplicity, and support for concurrency. Today, I will introduce you to some … Read more

Practical Project: Smart Home System Design Based on STM32

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Practical Project: Smart Home System Design Based on STM32

Click the above to follow us! The smart home system is quietly changing our lifestyle. This article will take you deep into how to use the STM32 microcontroller to create a simple smart home system. We will cover the entire process from hardware selection to software programming, allowing you to easily master this popular technology. … Read more

Controlling JTAG with Raspberry Pi for Hardware Learning

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Controlling JTAG with Raspberry Pi for Hardware Learning

Author:Hcamael@Zhidao Chuangyu 404 Laboratory Recently, while working on a router, I accidentally bricked the CFE and found that I could recover it via JTAG, so I conducted some research on JTAG. Initially, I just wanted to recover the device and didn’t intend to delve deeper into the research. Recovery Attempts The bricked router model is:LinkSys … Read more

Unlocking C++ Embedded Development: A Complete Guide to HAL Design

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Unlocking C++ Embedded Development: A Complete Guide to HAL Design

I. The “Unsung Hero” in Embedded Development – HAL In the vast realm of embedded development, there is a crucial role that often remains “behind the scenes” – the Hardware Abstraction Layer (HAL). It serves as a bridge connecting upper-level software applications with a diverse range of underlying hardware devices. For C++ embedded developers, a … Read more

Key Knowledge Points for STM32 Embedded Interviews

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Key Knowledge Points for STM32 Embedded Interviews

I am Lao Wen, an embedded engineer who loves learning. Answer: Differences between STM32F1 and F4:Different cores: F1 has Cortex-M3 core, F4 has Cortex-M4 core; Different main frequencies: F1 has 72MHz, F4 has 168MHz; Floating-point operations: F1 has no floating-point unit, F4 has one; Functional performance: F4 peripherals are richer and more powerful than F1, … Read more

28 Key Points of Embedded STM32

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28 Key Points of Embedded STM32

▼Click the card below to follow the public account ▼ 1. What are the differences between STM32F1 and F4? Answer: Refer to: STM32 Development – Introduction to STM32The cores are different: F1 is Cortex-M3, F4 is Cortex-M4; Different clock frequencies: F1 has a clock frequency of 72MHz, F4 has 168MHz; Floating point operations: F1 has … Read more

Summary of STM32 Embedded Interview Topics

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Summary of STM32 Embedded Interview Topics

Scan to follow "Learn Embedded Together", learn together, grow together. 1. What are the differences between STM32F1 and F4? Different cores: F1 has Cortex-M3 core, F4 has Cortex-M4 core; Different clock frequencies: F1 has a clock frequency of 72MHz, F4 has a clock frequency of 168MHz; Floating-point operations: F1 has no floating-point unit, F4 does; … Read more

Common Buses: IIC, IIS, SPI, UART, JTAG, CAN, SDIO, GPIO

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Common Buses: IIC, IIS, SPI, UART, JTAG, CAN, SDIO, GPIO

IIC IIC (Inter-Integrated Circuit) bus is a two-wire serial bus developed by PHILIPS for connecting microcontrollers and their peripheral devices. The I2C bus transmits information between the bus and devices using two lines (SDA and SCL), enabling serial communication between the microcontroller and external devices or bidirectional data transfer between the master and slave devices. … Read more