I use 2440+Wince5.0, and found that the system time is reset to January 1, 2049 every time the system is started. It cannot connect to the PC, and the system is very slow. Please explain it to me if y...
I'm porting the ucos-ii code on atmega128, and I feel that there is a section of address setting in the OS_CPU_S.S code as follows:
SREG=0X3FTCNT2=0X24SPL=0X3DSPH=0X3E
The program is error-free after ...
An official routine was imported, and the program is as follows: [code]#include "mbed.h" AnalogIn analog_value(A0); DigitalOut myled(LED1); // Calculate the corresponding acquisition measure for a giv...
[size=5][font=新宋体] 1. Why are the car remote controls and the roller shutter door remote controls at home so sensitive and responsive no matter how you press them? 2. We designed a board ourselves, bo...
The following is a function in the ST OTG library. I don’t know what the two lines in red are doing.USB_OTG_Status USB_OTG_CoreInitDev (USB_OTG_CORE_DEVICE *pdev){USB_OTG_Status status = USB_OTG_OK;US...
Regarding the operation of GPIO, the moderator of the previous post has explained it very clearly. For details, please see the post: Questions about the GPIO operation of STM32 . What I want to ask in...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]