In my program, there are timer 1 interrupt and SPI interrupt, and the global interrupt has been turned on. I only wrote the interrupt service routine for timer 1. An SPI interrupt occurred in this int
The schematic diagram is as follows: [img]http://hi.eeworld.net/attachment/201003/23/17981_12693295607C3g.jpg[/img] The schematic diagram of the arrow keys is the same as this one. It just uses DKIN.
Hello everyone, I am developing a USB driver, using the DM9601 chip, and the basic functions have been implemented. Now the question is, how to set the speed (10M/100M) and duplex (full duplex and hal
With the discontinuation of Samsung S3C2440 chip, Hanke timely launched the HK-008 core board to replace the S3C2440 core board. This core board is designed based on Freescale's I.MX28 processor. In o
Reprinted from: " Using Python to control hardware 38-Measuring the resonant frequency of an object using the accelerometer ADXL335 "Physics tells us that any object will have resonance (such as the t
[font=宋体]Recommend several good online photo albums + sticker tutorials[/font][size=10.5pt][/size] [size=10.5pt] [/size] [color=#1d580c][font=宋体][size=10.5pt]There are many external link albums, but i