My friend DSP2812-Motor Control 16:53:11 has the following question: I wrote a sine function in C and recorded it with an array of 200 points. Why does it always stop at 131? It is just a sine functio...
Finally got my own human body sensing module, pleasantly surprised, the program has not started debugging yet, a step behind, let me first send you the hardware of the human body sensing module! [alig...
1. One stm32 discovery, 70, not including postage, and a USB data cable2. Two CH375 modules, 35 each,3. Two ch376 modules, (compatible with ch376 evaluation board), 40 each4. Two vs1003 modules, 40 ea...
If a global variable int i = 0x1234 is defined in Keil, the initialization of i must be after power-on and before the main function. After compiling and debugging, the execution starts from address 0,...
Inside IAR ---
Generate bin file: (1) In options-linker -output-other, select-raw-binary in output, select Include all in module-local, and leave the rest as default; (2) In options-linker -Extra Outp...
Since I wrote a blog post last month titled "Power Semiconductors Welcome a Good Year for Development", some netizens have asked me what the current status of power semiconductors in China is and what...
In our common sense, the word technology often has two definitions. The first is the technology sealed in the laboratory. They are like flowers on the mountain top. Only a few people on the mountai...[Details]
On April 24, Sungrow released its annual financial report. The report shows that in 2017, Sungrow's global shipments reached 16.5GW, of which domestic shipments reached 13.2GW, a year-on-year incre...[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]
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]
This program mainly uses the comparison output function of the timer to generate PWM waves to control the LED. The comparison output of timer A corresponds to P2.3 P2.4. Therefore, a matching working...[Details]
1. Brief description A summary of "How to build uClinux kernel transplantation on ARMSYS development board with S3C44B0X as core", including the analysis of Bootloader function and the key co...[Details]
On May 16, in response to
the public opinion storm caused by
Lenovo's
"
5G
voting" incident,
Lenovo
Holdings Chairman and
Lenovo
Group Founder Liu Chuanzhi, Lenovo Gr...[Details]
Ouster LiDAR OS-1 (left) and OS-2 (center) Velodyne invented the modern 3D LiDAR scanner in the mid-2000s, but in recent years conventional wisdom has held that Velodyne’s design — 64 lasers mounted...[Details]
The clock system of STM32 can be directly summarized in a diagram (from the STM32F10X reference manual). The following is an analysis of this diagram 1. STM32 input clock source 1.1 Function of cl...[Details]
The first one is a DMA mode of multiple channel acquisition void ADC_DMA_Config(void) { ADC_InitTypeDef ADC_InitStructure; RCC_HSICmd(ENABLE); while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); ...[Details]
How to convert the pin voltage value into V using the built-in ADC of STM32? V(ADC) = Value(ADC) * V(ref)/4096 (The ADC of STM32 is 12 bits, so the maximum value of the AD word is 4096)
Where V(ADC...[Details]
Table of contents: 1 Overview 2: Common interrupt functions 3: PWM output 1 Overview In development, timers are widely used, which can be simply summarized into three aspects: 1.1: Application of ...[Details]
Use common anode digital tube and independent keyboard to connect P1 and P2 ports of single chip to realize answering machine The procedure is as follows: #include reg52.h void delay(unsigned char n)...[Details]
Assume that both the augend NA and the addend NB are three-byte compressed BCD codes, which are stored in the internal RAM units 20H~22H and 30H~32H, respectively, with the low digit first and the hi...[Details]
DSP and ARM Processors
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