Why is it that the rising edge is not successfully judged here? Why does the while not enter? for(i=0;i<4;i++) { while(P2IN & 0x80 == 0)； tt[i]=P3IN; pp=0; while(P2IN & 0x80 == 0x80)； }...
[size=4]First[/size][size=4]Introduction to ARM processors and RISC features[/size] [size=4]Introduction to ARM processors[/size] [size=4]ARM (Advanced RISC Machines) is a 32-bit RISC (reduced instruc...
A power supply circuit as shown in the figure
If R1=R2, then after the follower U1, the output is 6V, and the transistor V1 is turned on.
So what is the potential of the transistor emitter e?
Is it 6-...
The adjustable attenuator made with hsmp-3816 is drawn in accordance with the diagram in the chip manual. However, when V+=5V, Vc=5V, and a 1Vpp signal is input, distortion occurs at low frequencies. ...
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]
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]
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]
Function List and Notes (lower-level driver part) 1. IO port initialization: control IO and communication IO. Control includes power control, reset and low power mode. Communication is the serial po...[Details]
China Energy Storage Network:
At the Boao Forum, Zhu Min, the current dean of the National Institute of Finance at Tsinghua University, said: "When talking about blockchain, we must first sep...[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]
Every era has its own representative company, and the small game between representative companies in the big era also reflects the big game between countries to a certain extent. Let's learn about ...[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]
Many embedded geeks are wondering what the future holds if they continue to invest time, energy and money in MICroChip's PIC32 series MCUs. Will their investment be safe, and how does it compare ...[Details]
What are your expectations and ideas
for
the future of
Xiaomi Mi Band
?
Xiaomi Mi Band’s
official Weibo shared many netizens’ thoughts on
the future direction and functions
of Xiao...[Details]
In 1949, after three years of civil war, the Nationalist government was defeated and retreated to Taiwan. The political and academic circles launched a large-scale reflection on why they failed in ...[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]
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]
The code for using timer 0 to implement a running light in a 51 MCU is as follows. The LED light is connected to port P1. The code is annotated below, so I won't explain it in detail. My English is n...[Details]
Manually assemble the following program machine code and analyze the execution function of the program segment. CLR A MOV R2, A MOV R7, #4 LOOP: CLR C MOV A, R0 RLC...[Details]
Embedded System
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