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Stack allocation for more than two local variables
The program is as follows:
# vi test3.c
int main()
{
int i, j=2, k=4;
i=3;
i=++i...[Details]
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The system can be placed on the dashboard of a car. When the driver starts the car, the detection controller starts. At this time, the engine is locked and the car cannot start. After the alcohol s...[Details]
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1. MCU internal resources You should be familiar with the following picture. But if we see this picture, it will feel strange As we are familiar with P0, P1, P2, P3, including TCON in the figure...[Details]
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When the earth begins to leave white, the world is brewing new excitement. If you can't wait for the snow to fall, go and see the lights of thousands of households. As a major base for new energy p...[Details]
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According to relevant media reports: Guangzhou Hefa Energy Investment Co., Ltd. and Country Garden Hotels Group, a subsidiary of Country Garden Holdings Group, have reached a preliminary cooperation i...[Details]
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Industrial Internet of Things, also known as Industrial Internet, is one of the key areas of digital "new infrastructure" and is regarded as the second half of the Internet. With the promotion of fav...[Details]
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When designing electronic products, in order to prevent excessive surface temperature from harming users or causing fire, insulation failure and electric shock due to temperature exceeding the limit t...[Details]
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Excerpt from "Hello, Amplifier" The literal meaning of holdoff is to release inhibition. The so-called holdoff time T means that after the oscilloscope completes a trigger s...[Details]
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I spent most of the day today working on a small program, and finally found the reason. Although I wasted a lot of time, I finally found the reason. I am in a very good mood. Learning is a ste...[Details]
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A common problem encountered in electronic design is the testing of the transmission characteristics of the circuit under test (DUT). The transmission characteristics here include gain and attenuatio...[Details]
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Ultrasonic waves are often used to measure distances due to their strong directivity, slow energy consumption, and long propagation distance. For example, distance meters and level meters can ...[Details]
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my country's PCB industry has developed to a relatively mature stage, and the market competition is also quite fierce. Recently, the author found that with the support of leading enterprises in the c...[Details]
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On April 19, 2024, Hesai officially released the ATX ultra-wide-angle and long-range lidar based on the fourth-generation chip architecture.
ATX is a platform product that uses the mat...[Details]
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Test program 400M algorithm:
i = 2 ; //don't use 100M!
switch ( i ) {
case 0: //200
key = 12;
mpll_val = (92 12)|(4 4)|(1);
break;
case 1: //300
key = 13;
mpll_val = (67 12)|(1 ...[Details]
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Abstract: Filtering the power supply system of the chip through the LC filter circuit is an important means to improve the synchronous output switching noise. This article proposes an algorithm and...[Details]