main() { int a; P1=0xff; TMOD=0x11; //Timer 0 and timer 1 work in mode 0 at the same time; ET0=1; //Turn on internal interrupt 0 ET1=1; //Turn on internal interrupt 1 led7=0; while(d) { shao_maio(); i...
On a board powered by a 3.6v battery, there is a 5-pin chip. There are only three letters "ATE" on the chip. It should be an LDO. The left 3 pins: the middle pin is grounded, and the other 2 are unuse...
Raw OS uses a special mechanism that can reduce the maximum interruption time of the entire system to as close to 0us as possible. The main implementation principle is to change the original system in...
[color=#333333]In DSP applications, it is often necessary to generate sine waves. If you use the mathematical function sin in C directly, you can certainly generate sine waves, but because the efficie...
Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[Details]
I recently upgraded MDK to V5.25 and found that there are many libraries in the Managing Run-Time Environment. Compared with the past, it is much better, from the bottom-level driver to the upper-le...[Details]
0. Preparation First use st-link to connect the stm32 core board and PC for burning St-link Stm32 3.3V 3.3V GND GND SWDIO PART SWCLK DCLK Then connect with USB serial port board to v...[Details]
1. About FPU transplantation As long as the chip has FPU function, the use of FPU is generally enabled by default. You can also select it in the Options tab; 2. About the transplantation of DSP li...[Details]
Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
introduction In the general project development process, two or more microcontrollers are often required to communicate to complete data transmission. For example, a quadcopter wirelessly transmits d...[Details]
Although it is early summer, the Chinese smartphone market is still in the cold winter, just like Beijing in April with snow. For mobile phone brands caught in the middle, the cold is even more bit...[Details]
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]
Artificial Intelligence (AI) is undoubtedly the hottest topic in the technology industry in the past one or two years. In addition to the huge investments made by technology giants, financial and o...[Details]
This example is mainly to familiarize yourself with the register configuration of Timer A and the configuration method of IAR. /*********************************************** Program function: re...[Details]
Recently, Zhejiang Lipu Crushing Equipment Co., Ltd. invested 50 million yuan to build a new "annual production of 1,200 high-efficiency and energy-saving ultra-fine pulverizer construction project...[Details]
With the large-scale development of the domestic household photovoltaic market and the improvement of component and inverter technology, the system cost has dropped significantly in the past year. The...[Details]
At this exhibition, Microsoft brought its flagship intelligent voice products - XiaoIce and Xiaona. In addition, the voice will be equipped with an intelligent face recognition system. Let's see ho...[Details]
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