In the programming of pxa270 key driver, if GPIO is used as the interrupt port, except for GPIO0 and GPIO1, other GPIO interrupts share the same interrupt source IRQ_GPIOXX_2. In the driver programmin...
Friendly reminder: The following operations have certain risks, and it is recommended that professionals perform them. If you are a non-professional and insist on following the following operations to...
[i=s]This post was last edited by ddllxxrr on 2014-10-17 09:06[/i] This post is a continuation of the previous one. Previous post: [url=https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=449248&p...
Hey guys, I want to install Linux on my development board, but I don't know how to uninstall the original Windows Mobile. Please give me some advice~!...
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]
For STM32, there are two ways to reset the software: 1) Use the official software library The system reset function is directly provided in the stm32f10x_nvic.c file of the official software li...[Details]
The update interrupt initialization configuration of the stm32 advanced timer TIM1 is not much different from that of the ordinary timer. What needs to be paid attention to is the configuration of TI...[Details]
Chip: STM32F107VCT6 Application Pin: THOUSANDS, RMII STM32CubeMX is very convenient to use ETH. The software comes with LWIP and configuration. This time, STM32F107VCT6+DP83848CVV is used. The MII a...[Details]
The goal of this article is to build a TCP client based on the previous project that can ping the PC, and can actively send data to the PC, and can also send and receive data with the PC, and display...[Details]
The article is written for LPC2148, but it is also applicable to Samsung's 44B0 chip. You only need to select S3C44B0 as the corresponding CPU when selecting it. JLINK debugging experience un...[Details]
As cryptocurrency continues to gain popularity, a technology hidden behind it has attracted more attention from the world, that is the now hotly debated
blockchain
. Let's follow the embedd...[Details]
According to TechRadar, given rumors that
Google
is developing a Pixel Watch
,
the
recently renamed Wear OS
smartwatch
operating system may soon be able to show its full cap...[Details]
Mobile communication resale business means that enterprises can contract part of the communication network usage rights from basic telecommunications operators, repackage them into their own brands...[Details]
sprintf is a function in the C language library that converts data types. There is a situation where In 51 MCU, define unsigned char temp; Then I want to use the serial port to print out temp in deci...[Details]
STM32 has two watchdogs: independent watchdog and window watchdog. This article mainly introduces the use of independent watchdog. Independent watchdog (IDWG): driven by an independent 40KHZ low-sp...[Details]
6MHz crystal oscillator, using timer counter 1, using interrupt mode, through P1.0 to make a light emitting diode turn on for 100ms, turn off for 300ms, and repeat. Assembly programming is used to ac...[Details]
Design a program for the 51 single-chip microcomputer. It is known that the crystal oscillator frequency of the 89C51 single-chip microcomputer is 12MHz, and it is required to use T1 timing to output...[Details]
The clock frequency of the 80C51 microcontroller is 12MHz, and the timer T1 and P1.0 are used to output rectangular pulses. The waveform only shows two segments: one segment is 100us and the other se...[Details]
//Environment: winavr+avr studio char temp=0; ISR(TIMER1_COMPA_vect )//interrupt function { // user code here temp++; if (temp==10) temp=0; PORTA=temp; DDRA=0xff; } void ...[Details]