The s3c2440 board sets GPB1, 3, 5, 7 as inputs and reads GPBDAT. The program is as follows: U32 temp; rGPGCON = rGPGCON & (~((3<<14)|(3<<10)|(3<<6)|(3<<2))); rGPGUP = rGPGUP & ~0xaa|0xaa; temp = rGPGD...
My computer uses the school's DR.COM dial-up to the Internet. How can I achieve multi-user Internet access on a single machine? Urgent! The premise is to use the WINDOS operating system. Only one user...
I want a C program to convert the Gregorian calendar to the lunar calendar of a single-chip microcomputer. It would be better to have more comments. Thank you...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:29[/i][size=5]As the competition is approaching, according to the students' specific situation, it is not very helpful to talk about some exp...
Question 1:How does uboot pass parameters to the kernel?After thinking about it, go to the bottom to find the answerQuestion 2:How does Linux manage memory?After thinking about it, go to the bottom to...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
