1. Task Requirements
Use a 2-digit digital tube to realize a 30s countdown display. When the start button is pressed, the digital tube display data starts from 30 and decreases by one until it reaches
Some time ago, I was using TouchGFX Designer to create a project. At that time, I was using 4G Internet access at home, and the creation often failed. Sometimes I spent the whole day downloading routi
1. Background:
In many cases, due to limited hardware resources, but serial communication is needed, you can consider using an analog serial port;
2. Prerequisites:
To achieve a specific bps serial po
[size=4]Finally I have some free time, and suddenly I remembered a long-lost wish, which is to port ffmpeg and mame to arm or dsp platform by myself. [/size] [size=4] So I found the website of ffmpeg
The auto-reload register TIMx_ARR is used to store the value compared with the counter value. If the two values are equal, an event is generated, the relevant event flag is set, and DMA and interrupt