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preface The purpose of writing this article is to record your learning process so that you can review and refer to the relevant knowledge points in the future. 1, Modify Makefile and add compiler Enter the unzipped BusyBox directory, open the top-level Makefile, and add ARCH and cross_ The value of compile is as follows: CROSS_COMPILE ?=arm ...

1. Hardware The hardware schematic diagram is as follows: The hardware schematic diagram is the hardware circuit of punctual atom stm32zet6 elite version. Different development boards should be based on the actual circuit. First of all, to make the led light up, there must be a voltage difference between the two sides of the led lamp. As can b ...

Happy year of the tiger! I wish you greater progress next year! Reference content: Chapter 11 of [wildfire] uCOS-III Kernel Implementation and application development Practical Guide - based on STM32. 1 definition of ready list and task control block (os.h) 1.1 task control block linked list OS_TCB Before defining the ready list, modify ...

You might want to ask manjaro what's good? Look at the picture and don't say much. introduce 64 bit system The first and most easy-to-use KDE desktop Xunlei, QQ, wechat, and the latest software are many manjaro has the richest software warehouse The latest software is preferred Look at the picture, manjaro's user warehouse is AUR, far ahead ...

1. Overview USB sound card is nothing more than USB to send PCM data to I2S peripherals or SAI peripherals. After outputting PCM data to DAC through I2S and converting it into analog signal, connect headphones. Even the expensive Italian digital interface is no exception. 2. Step by step 2.1 USB receiving audio data 2.2 send audio data t ...

This article will introduce the theory and practical application of I2C communication mode from theory to practice. The theory part mainly describes the physical structure of I2C bus, the relevant provisions in its protocol and several different communication processes. In the practice part, we will take a display module commonly used in var ...

preface The purpose of writing this article is to record your learning process so that you can review and refer to the relevant knowledge points in the future. 1, Block device drive frame . 1, block_device structure linux kernel uses block_device means block device, block_device is a structure defined in include / linux / Fs H file, the st ...

catalogue The first part is the preface 1. Preparation knowledge 2. Commissioning purpose 3. Wiring mode of module and single chip microcomputer Part II Engineering Code 1. Code function description 2. SIM900A code for sending English SMS 3. SIM900A code for sending Chinese SMS 4,main.c document code The third part is the summary 1. ...

Catalogue of series articles Github open source address Write STM32F103C8T6 driver library from scratch (I) -- STM32CubeMX create and adjust engineering structure Write STM32F103C8T6 driver library from scratch (II) -- write system initialization program and configure clock tree Write STM32F103C8T6 driver library from scratch (III) -- write GP ...

STM32 - external interrupt configuration Overall diagram of external interrupt configuration: The steps are as follows: Configure RCC and turn on the clocks of the peripherals involved here. There is no way to work without turning on the clock peripherals.Configure GPIO and select our port as the input mode.Configure AFIO, select the GPI ...