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(I) C51 calling method
#include intrins.h
_nop_();
(II) Calling method under ARM
__asm void nop(void)
{
NOP
}
Then call this function in the following C code:
void main()
{
....[Details]
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Abstract: An effective intelligent parking system can not only help drivers complete parking operations quickly and safely, thereby reducing the burden on drivers and reducing traffic accidents, b...[Details]
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A deep understanding of these three ARM registers will be of great benefit to programming and operating system porting. 1. Stack pointer r13 (SP): Each exception mode has its own independent r13, w...[Details]
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The service life of solar photovoltaic cells is as long as 25 to 30 years. Some domestic manufacturers have already provided customers with a 25-year warranty. We know that solar photovoltaic modul...[Details]
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The 111 microcontroller instructions remind me of the function of pointers in high-level languages.
"Pointers" in data transfer instructions
1)MOV A,@Ri
2)MOV direct,@Ri
3)MOV @Ri,A MOV @Ri,dir...[Details]
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With the development of hydrogen fuel cell vehicles, hydrogen is regarded as an important bridge between fossil energy and renewable energy. Hydrogen energy has the characteristics of abundant reserv...[Details]
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As early as June 1, the Shanghai Stock Exchange officially accepted the listing application of ACM Semiconductor Equipment (Shanghai) Co., Ltd. on the Science and Technology Innovation Board. Recentl...[Details]
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On May 17, Apple released the official version of iOS 15.5. Apple said that iOS 15.5 has optimized Apple Cash, so as to better request and transfer money to Apple Cash cards in the wallet. In a...[Details]
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Recently, overseas media reported that General Motors announced a partnership with the three largest charging networks in the United States, Ego, ChargePoint and Greenlots, to improve the electric ...[Details]
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Solar
led
lighting is one of the main uses of solar energy for human development and utilization. However, due to the discontinuity and intermittency of solar radiation, the high investment...[Details]
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Reasonable selection and correct installation of split electromagnetic flowmeters are very important to ensure measurement accuracy and extend the service life of the instrument. The following is a b...[Details]
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Under the innovation-driven development strategy, China's new energy vehicle companies have continued to develop and progress, and pure electric vehicle technology has achieved integrated, intellig...[Details]
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In today's era of information explosion, the ways to obtain information have also become diversified, from the original radio and television to the current PC, tablet computer, mobile phone and o...[Details]
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First, open the schematic diagram of the baseboard and find the button information:
Four buttons can be found:
You can see that the pins corresponding to the four buttons are EINT1,...[Details]
RF/Wirelessly
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