Comparison of STM32 firmware library 2.03 and 3.0 (SYSTICK)-EEWORLD

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[Reprint] Comparison of STM32 firmware library 2.03 and 3.0 (SYSTICK)

Keywords：STM32 Reference address：Comparison of STM32 firmware library 2.03 and 3.0 (SYSTICK)

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Recommended ReadingLatest update time:2024-11-16 18:10

Use of stm32 watchdog

Why use a watchdog The matter is very simple. A data collection product I made before was abnormal for some reason, fell into an infinite loop and then "frozen". After analyzing it many times, I couldn't find the reason, but every time I restarted it, I could collect data normally. Later I found a solution: watchdog

[Microcontroller]

STM32 Study Notes - External Interrupts

Interrupt, as the name implies, means that a continuous process is interrupted. When the processor is processing a task, there is a task that needs to be processed immediately, so it needs to stop the task at hand and execute this task first. The process of configuring external interrupts is similar to that of confi

[Microcontroller]

Several common questions about STM32 peripheral configuration

In the process of developing STM32 applications, we often encounter various problems, many of which are related to the configuration of peripherals and related GPIOs. Let's summarize and discuss these issues here. The current STM32 chip is a programmable microprocessor based on the ARM core. We can simply call every

[Microcontroller]

Several common questions about STM32 peripheral configuration

STM32 learning notes (III) serial communication experiment

#include "sys.h" #include "usart.h" ////////////////////////////////////////////////////////////////////////////////// //If you use ucos, just include the following header file. #if SYSTEM_SUPPORT_OS #include "includes.h" //ucos 使用 #endif //////////////////////////////////////////////////////////////////////

[Microcontroller]

STM32 learning notes (III) serial communication experiment

Mapping C library function printf in STM32

1. MDK settings MicroLib in the project's Target 2. Add the following compiled code before the main function: #define COM USART1 //Serial port selection initialization, USART1 is serial port 1, USART2 is serial port 2 #ifdef __GNUC__ #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #else #define PUTCHAR_PR

[Microcontroller]

Mapping C library function printf in STM32

STM32 startup file (Reset_Handler function)

The main purpose of this file is: Setting the Initial SP Set initial PC=Reset_Handler Set the vector table entry address and initialize the vector table Call SystemInit to set the system clock to 72M. SystemInit is defined in the library file system_stm32f10.c and transferred to the label _main, and finally c

[Microcontroller]

Implementation of STM32 CustomHID

How to create a custom HID project? Let's talk about it below. First, let's introduce the architecture of the project. The overall architecture of the project is shown in the figure below. The project is constructed according to the following figure: Let's analyze the project layout. First, there is APP. This group

[Microcontroller]

Push-pull output and open-drain output of stm32

First, look at the schematic diagram of STM32's GPIO as follows: When the port is configured as output: Open-drain mode: When outputting 0, N-MOS is turned on, P-MOS is not activated, and outputs 0. When outputting 1, N-MOS is high impedance, P-MOS is not activated, and output is 1 (external pull-

[Microcontroller]

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