Stm32f103 i2c dma. Introduction The aim of this application note is to provide ...
Stm32f103 i2c dma. Introduction The aim of this application note is to provide I2C firmware optimized examples based on polling, interrupts and DMA, covering the four I2C communication modes available in the STM32F10xxx, that is, slave transmitter, slave receiver, master transmitter and master receiver and to provide recommendations on the correct use of the I2C peripheral. 96寸的 oled 1 + 2 + 1 = ? 1 + 2 + 1 = ? 16 hours ago · 资源浏览查阅130次。一套真实可用的小米早期扫地机器人嵌入式开发源码，主控芯片为STM32F103系列，操作系统采用FreeRTOS实时内核，涵盖驱动层（USART、SysTick、Delay）、系统组件（USMART调试工具、DataScope数据可视化支持）、机器人核心,更多下载资源、学习资料请访问CSDN下载频道 Introduction Every STM32 family microcontroller features at least one DMA controller intended to offload some data transfer duties from the Cortex® CPU core. The goal is to explain the bus sharing principles and provide hints on efficient Jan 7, 2018 · I2C is a serial protocol and its greatest advantage over other protocol is that it requires constant two wires irrespective of number of devices connected. DMA_DeInit (DMA1_Channel6); Sep 2, 2017 · 利用STM32F103ZE微控制器I2C总线DMA读EEPROM一点经验Stm32f103的i2c真是难学，连续学习了两个星期，终于有了一点进展。现将心得总结一下，供大家交流，不当的地方欢迎 stm32f103+i2c+dma+eeprom busy问题 ,野火电子论坛 Aug 10, 2019 · 关于STM32的I2C硬件DMA实现 关于STM32的I2C硬件DMA实现 网上看到很多说STM32的I2C很难用，但我觉得还是理解上的问题，STM32的I2C确实很复杂，但只要基础牢靠，并没有想象中的那么困难。 那么就先从基础说起，只说关键点，不涉及代码。 Aug 1, 2025 · 本文还有配套的精品资源，点击获取 简介：STM32F103系列微控制器基于ARM Cortex-M3内核，本资源教程展示如何使用其DMA功能提升I2C通信效率。通过HAL库实现非阻塞的EEPROM读写操作，提升CPU效率。教程详细介绍了阻塞、中断和DMA三种I2C通信方式，并提供了相关代码实现，包括初始化配置、DMA通道设置、I2C Jul 24, 2023 · I2C Instances in STM32F103 The I2C instances vary from microcontroller to microcontroller i. STM32 i2c slave HAL code example. The problem is that UM1785 Description of STM32F0 HAL and low-layer drivers is a bit vague on explanations. Oct 12, 2025 · SRM32 code generation using STM32CubeIDE/Cubemx , I2C in DMA mode, sample code with example, HAL_I2C_Master_Transmit_DMA, HAL_I2C_Master_Receive_DMA. I2C Scanner, TX, RX STM32F103_HAL_Example. e the stm32f103c676A has one I2c instance with stm32 f411 RE having I2C1 and I2C2 . Interrupt & DMA . STM32 offers examples, but that's not really Nov 17, 2020 · Learn STM32 register-level programming with no HAL: step-by-step tutorials on GPIO, UART, ADC, DMA, SPI, interrupts, etc using direct access. Why STM32F103? 32 bit, fast mcu speed 72 MHz. I'm now trying to use the I2C with HAL using DMA. I2C speed 100Khz and 400Khz supported. 1 + 2 + 1 = ? 1 + 2 + 1 = ? Apr 16, 2023 · 该项目展示了如何使用STM32F103微控制器的HAL库，通过I2C和SPI接口结合DMA驱动SSD1306OLED显示屏。 作者测试了I2C硬件驱动，帧率为37-38FPS。 代码从GitHub开源项目移植，包括STM32cubemx的配置参数，以及如何手动添加中断服务函数以避免显示问题。 STM32F103单片机采用Cortex-M3内核，CPU最高速度达72 MHz。STM32系列是基于ARM® Cortex®-M0、M0+、M3、M4、M33、M7及A7内核并具备丰富外设选择的32位微控制器及微处理器。 STM32 MCU及MPU覆盖主流型、高性能，超低功耗，无线系列等，超20大产品线，提供人工智能AI，图形应用界面GUI，电机控制，信息安全与功能 Apr 3, 2023 · Hello, i have the following setup code for i2c and DMA, where i use i2c1 to send some buffer data to a display. Feb 4, 2022 · Bonjour, I've been able to use I2C to communicate with I/O extender and display drivers with HAL. In this article, we shall discuss on how to design your own custom i2c slave device on stm32f103. 这几天在学习IIC通信读写数据，学习了软件IIC实现、硬件IIC实现I2C通信后，发现无论是软件I2C还是硬件I2C都比较占用CPU资源，虽然硬件IIC不需要像软件IIC一样需要靠程序不断地拉高、拉低SCL、SDA管脚，可是硬件IIC依旧需要CPU不断地运行相关的指令实现完整的IIC功能。对于该弊端的处理方法，使用CPU小助手——DMA配合I2C使用，可以极大程度的减轻CPU负担。 STM32 I2C Communication Guide – HAL Code Examples Slave & Master – DMA Interrupt In this tutorial, we will discuss about STM32 I2C communication modes, hardware overview and functionalities, I2C interrupts, handling I2C transactions for both master and slave including HAL APIs for I2C for different I2C modes. This document describes general guidelines about the usage of the basic DMA controller found in most entry-level, mainstream, and low-power STM32 products. Cheap price < 2$ and easily available. Dec 16, 2024 · stm32f103c 使用i2c + dma 驱动0. Contribute to wlshiu/STM32F103_HAL_Example development by creating an account on GitHub. I2C DMA interrupt polling examples. STM32 I2C Introduction STM32 I2C Tutorial With HAL Code Examples. ukqn67n8urcq5vm3ncy139dsnukr0xtauayuvz0mcqvm4z1jng7dcpuvwo0aro48xqtwwmuzalxoyquobmcqi8rlhfalvxevlmmmmhqjzou