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Following a series of outstanding performances such as the "UNISOC Chip" shining brightly during the "618" shopping festival, winning championships in multiple categories, and China's smartphone SoC ...[Details]
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Knowledge of assembly instructions is often involved in ARM embedded development. Here we summarize the most commonly used ARM assembly instructions. Zero. Prerequisites Here we mainly learn the as...[Details]
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Zero, a few questions (1) Why is there an input subsystem? In view of the diversity of input devices and input events, the kernel uses the input subsystem to drive input devices, submit input event...[Details]
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4.23.1 Overview The visible light that human eyes can see is arranged from long to short according to wavelength, namely red, orange, yellow, green, cyan, blue and purple. The wavelength range of red...[Details]
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According to foreign media reports, after the release of iOS 15.4, Apple has stopped verifying iOS 15.3.1, which was the iOS version launched in February. Since iOS 15.3.1 is no longer verified, if u...[Details]
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Title: Independent buttons p1.0 and p1.1
P1.1 key is the number plus 1 key P1.0 is the number minus 1 key
Make the LED display data increase or decrease by o...[Details]
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On June 4, Lenovo Legion gaming phone appeared on GeekBench benchmarking website. Its single-core score is 914 and its multi-core score is 3392. It is equipped with the Snapdragon 865 flagship plat...[Details]
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Compared with ordinary MCUs, STM32 has a complex clock system, and the corresponding controller is called RCC (Reset Clock Controller). Each peripheral is equipped with a peripheral clock switch. W...[Details]
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#include
#define uchar unsigned char
#define uint unsigned int
void delayms(uint);
uchar num;
uchar code table ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; //Ten digit codes for com...[Details]
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Mr. Wang Daheng, a famous scientist and academician of the Chinese Academy of Sciences and the Chinese Academy of Engineering, once pointed out: "Machines are tools for transforming the world, and in...[Details]
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Logical instructions include logical operation instructions and shift instructions. Logical operation instructions can perform logical operations on operands, and shift instructions can perform the ...[Details]
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In the previous video, we have introduced the ROLL mode in the horizontal time base. Now let’s take a look at the XY mode in the horizontal time base. What is it all about? In the previous video, w...[Details]
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As a new display technology that has attracted much attention, Mini/Micro LED technology has a huge and broad market prospect. Since 2020, upstream epitaxial wafer factories represented by Sanan, Hua...[Details]
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As we all know, there are some companies or individuals who specialize in MCU decryption services. In addition, no matter how the MCU instructions are encrypted, they can only run in plain text, and ...[Details]
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Our reporter Cao Qi A-share power battery manufacturers have disclosed their 2024 third quarter reports. According to Wind data, among all 30 listed companies in the A-share power battery sector, 11 a...[Details]