After transplanting STemwin to F429, I turned on CRC check and called GUI_Init(). I found that the program entered the HardFault handler function after entering this function. My first feeling was tha...
I've been learning about serial port communication recently. I use DMA communication and process sending and receiving data in the interrupt function. But why can I only send and receive one character...
The following are legendary figures in the foreign microwave and radio frequency field. How many of them are you familiar with?
Microwave technology was originally used in the military field, but now ...
I am developing an interface in EVC4.0, but I don't know which class to use for the left and right soft keys. There are no such keys on the simulator, and I don't know what VK_ is? What? I hope someon...
[size=5][color=#0000ff] The code does not use uIP or Lwip, but VARMan's code circulated on the Internet, which is very concise and easy to use! [/color][/size] [size=5][color=#0000ff] It lays a founda...
China's photovoltaic power generation installed capacity achieved rapid growth in 2017, and distributed photovoltaics achieved explosive growth. In 2017, the country's photovoltaic installed capaci...[Details]
The Sino-US trade war has already started. Trump's series of actions have had a negative impact on the global economy, such as increasing tariffs on Chinese companies and restricting domestic compa...[Details]
In the past few days, the Chinese display panel giant
BOE
has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content.
...[Details]
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
1. Placement suspension void NVIC_Configuration(void) { NVIC_InitTypeDef NVIC_InitStructure; /* Set the Vector Table base location at 0x08004000 NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x4000)...[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]
Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[Details]
In simple terms, high-end chips solve many complex problems, mid-range chips solve a single complex problem, and low-end chips solve a simple problem. Let's learn more about the relevant content wi...[Details]
When Amazon launched its first
cloud computing
service, the outside world was not optimistic about this direction, as it had high investment, low profits and many uncertainties. Let's follo...[Details]
Chip: STM32F103C8T6 Application Pin: Output: PA0, PA1 TIM2 CH2 channel To achieve 50HZ (20ms) adjustable PWM output on the PA1 pin, set the system TIMx_CNT=8MHZ=8000 000HZ, set TIMx_PSC=800-1, then T...[Details]
LAN8720 test code arrangement 1. Modified based on two projects, namely "Experiment 55 Network Communication Experiment" of Zhengdian Atom ATK and "STSW-STM32070" routine of ST official The hardware ...[Details]
This is my first time writing an STM32 program. I have many questions to ask. I want to convert the data of the SO of MAX6675 into the actual temperature and read it out using the serial port tool. I...[Details]
1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[Details]
Our photovoltaic power station starts working at 5:30 in the morning. When you are still sleeping, the inverter starts working to make money!
Some people are skeptical. The sun hasn't even...[Details]
Processors with artificial intelligence are mostly integrated into cars, PCs, security cameras, smart speakers, robots and other related technology equipment, but
AI
chips were initially de...[Details]
Real-time operating system RTOS
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