$HandlerLabel Sub sp,sp ,#4; stmfd sp!,{r0}; ldr r0,=$HandleLabel ldr r0,[r0]; str r0 ,{sp ,#4}; ldmfd sp!,{r0,pc} This is a piece of code in the arm interrupt. There are a few places that I don't qui...
[size=24px]I posted twice about transferring my own development version, and you deleted them. At least you should give me a reason!!! 1. This is a non-technical area, and there is no top information ...
Today I lit up the LCD1602, and the display effect is as follows:Hardware wiring: P07---------RS P10---------E P11---------D4 P12---------D5 P13---------D6 P14---------D7 The code is as follows:...
Forum member @数码小叶 encountered a puzzle: Phone A has taken out the SIM card, but can still make and receive calls? Phone B has a SIM card inserted, but can only make and receive calls and text message...
Brothers, when using it, they can compile it by changing the header file or the content of other files. I uninstalled and reinstalled it, and it still can't compile. If any hero encounters this situat...
Please take some time to look at it and help me. Thank you.The perpetual calendar I made uses 0.56-inch digital tubes. In order to increase the brightness, I used 4 595s at a higher cost, using 1/4 sc...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
MCU
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