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When talking about Chinese chips, Ni Guangnan is indispensable. Let’s learn more about the relevant content with the embedded editor. Since he co-founded Lenovo in 1985, Ni Guangnan has been s...[Details]

Profit growth of 85% in 2017, target revenue of 12.5 billion yuan in 2018: The company released its 2017 annual report, achieving revenue of 8.886 billion yuan, a year-on-year increase of 48.01%; prof...[Details]

For 80,000 ZTE (000063.SZ) employees and more Chinese ICT (information and communication technology) industry practitioners, the news from across the ocean on the evening of April 16 kept t...[Details]

"Originally, there are many people who can design very good chips , but the market does not give domestic chips the opportunity to iterate, and domestic companies cannot give engine...[Details]

In the actual project development process, we often need to get the running time of a section of code. The usual method is to use an oscilloscope to measure it. This blog post will use SysTick to acc...[Details]

In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]

In the actual project development process, it is common to encounter modifications to the hardware circuit, and then the modified part requires the modification of the driver. Thinking about the comi...[Details]

The program got stuck during LCD initialization. Through hardware debugging, it was found that it was stuck in the Delay_ms() function. Going to the definition, it was found to be a macro definition ...[Details]

1. Initial understanding of FSMC: FSMC consists of 4 modules: (1) AHB interface (including FSMC configuration register) (2) NOR flash memory and PSRAM controller (when driving LCD, LCD is like a PSRA...[Details]

Timing and protocol are two key points in digital system debugging, and they are also where logic analyzers can play their most valuable role. How can we use a logic analyzer to quickly complete wiri...[Details]

This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]

    With the development of information technology, intelligence, informatization and networking have become the development trend of modern industrial control. Since the 1980s, the rapid development...[Details]

I encountered a problem when debugging the STM32 system clock setting: TIM2 timing 1Ms, TIM2 interrupt service function time++, LED state changes when time=100. After the program runs, I found that t...[Details]

Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]

/* Unfortunately, it cannot generate a standard 38kHz frequency square wave, there is a little error*/  #include reg51.h #define uchar unsigned char #define uint unsigned int  sbit Waveout=P1^0; //P...[Details]