#define SYSTICKHZ 100#define SYSTICKMS (1000 / SYSTICKHZ)#define SYSTICKUS (1000000 / SYSTICKHZ)#define SYSTICKNS (1000000000 / SYSTICKHZ)
There are these lines in many codes. I know it is related to ...
Create an embedded programming group, mainly for embedded programming discussions. Including embedded system transplantation, driver writing, development board and ARM chip discussions, etc. The group...
I have been working on libfaad recently, and I am going to compile it on vs2005. Some of the fixed-point calculations in it are written in assembly. static INLINE real_t MUL_SHIFT23(real_t A, real_t B...
[i=s]This post was last edited by dontium on 2013-12-26 17:23[/i] "One step southward, the people's happiness!" This is the "truth" that my classmates have come up with and everyone agrees on. Among t...
I recently attended Nordic's press conference and thought the video shared at the conference was good. Here are some videos for those who need it: [size=4][color=#0000ff][b]If you have any questions, ...
How does ARM7 organize data structures in the external memory FLASH and store and read data? What are the ideas and key technical points for implementation?...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[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]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[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]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]