With font library, the controller is st7920, the busy detection is always unsuccessful, the DB port is connected to P0 #define LcdData P0 bit Check_Busy() { bit busy; RS = 0; RW = 1; E = 1; _nop_(); b...
I am writing a USB driver for eCos. I want to call it myself in cyg_start, but I can't call it myself, even diag_printf() can't be used. Can you help me? Thank you. My approach is: 1. Write the conten...
Could you please help me understand what this problem is?Warning[Pe550]: varia××e "read_data" was set but never usedBut I use this variable below? ! ! !...
1/1.I/O, ASDO
It is a dedicated output pin in ASmode and can be used as an I/O pin in PSand JTAGmodes . In AS mode, this pin is the pin for CII to send control signals to the serial configuration chip...
I used the encoder of the namiki coreless DC reduction motor to measure the motor speed. Here is the measured data: count1:1;0r/min(L); count1:1;0r/min(L); count1:1;0r/min (L); count1:10;0r/min(L); co...
1. Several nouns
ABI:
The specifications that an executable file must follow in order to run in a specific execution environment;
Separately generated relocatabl...[Details]
If the ultimate form of a car is a silicon-based life form, then in
the field of
intelligent driving
, it has gradually taken on the appearance of a "veteran driver." In
the field of
the ...[Details]
Whether it is an electric car or an ordinary fuel car, for the vast majority of car buyers, the final cost of use is what they care about most. For fuel cars, how to save fuel is what drivers care ...[Details]
There are basically three causes of spontaneous combustion of electric vehicles: The first is that the battery components are punctured or suffer fatal damage due to a collision accident, and part ...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[Details]
To improve the lateral active safety of intelligent connected vehicles, the identification and definition of unexpected functional safety scenarios for the EPS (Electronic Steering System) ...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
Pure electric vehicles have experienced rapid growth in recent years, and many consumers now consider them as a top choice when purchasing a car. But do you know how to choose a satisfactory and sa...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]
1. Static Balance
Static balancing is performed on one correction surface of the rotor. The remaining unbalance after correction is used to ensure that the rotor is within the specified range ...[Details]
Shock absorbers, as the name implies, are responsible for cushioning and absorbing shocks in a car. So how much do you know about shock absorbers and how to replace them in electric cars?
...[Details]
In the first half of 2025, Chinese companies demonstrated overwhelming advantages in the world's four major material fields: in the global loading of positive electrode materials, Chinese companies...[Details]
According to foreign media reports, due to the massive expansion of Chinese companies in the global electric vehicle market, the capacity utilization rate of South Korea's three major battery manuf...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
