What I read is different every time. How can this happen? I downloaded it from DDK. No other places have been changed. I just added a piece of code in FilterDispatchPnp to get the device descriptor. B...
The first is the declaration of the semaphore: char *UARTRxBuf = "1234567890123456"; OS_EVENT *UARTRX; OS_EVENT *UARTSend; char *UARTBuf = "1234567890123456"; Initialization of the semaphore: static v...
After installing PB, there will be folders such as public, private, platform, and pbworkspaces in the WINCE500 folder. It is easy to find what files are stored in these directories in books about WINC...
I want to read the content of the software dog in the kernel state. I have used it before and it was called by the application. I don't know if it can be called in the kernel layer? Can anyone tell me...
Let me talk about the requirements first. I want to draw some of the data I collected into a curve and display it on the LCD. This is very simple and I can do it. But at the same time, I want to store...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:04[/i] [color=#000000]Loongson Technology, a Chinese processor chip designer, has begun to provide samples of its first commercial micr...
On the eve of Qingming Festival, the trade friction between China and the United States is on the rise. Let's follow the automotive electronics editor to learn more about the relevant content. Ba...[Details]
On April 16, the U.S. Department of Commerce announced that it would ban U.S. companies from selling parts, goods, software, and technology to
ZTE
for seven years, until March 13, 2025.
Th...[Details]
The parking assistance system is an important application of the active anti-collision system of automobiles in low-speed and complex urban environments, and is also a specific embodiment of the inte...[Details]
I slightly changed the lyrics of Yu Quan's song "Running", which seems to be
a reflection of the current state of
Huawei Cloud
. At the annual Huawei Analyst Conference held on April 17,
Zh...[Details]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[Details]
According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[Details]
At this exhibition, Microsoft brought its flagship intelligent voice products - XiaoIce and Xiaona. In addition, the voice will be equipped with an intelligent face recognition system. Let's see ho...[Details]
The pins of stm32 have two uses: GPIO (general purpose io) and AFIO (alternate function io) For some pins (depending on the chip), neither of these two uses exists. For example, in 64-pin products, O...[Details]
When STM32 uses JTMS (PA13) and JTCK (PA14) as normal I/O ports, add the following code before initialization (the order cannot be reversed): RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); G...[Details]
I have encountered many problems when tinkering with LD driver recently. I will record them one by one below. Otherwise, who will remember who in five hundred years? 1. Configuration issues of multi-...[Details]
The STM8L contains a 12-bit ADC with 25 input channels, including an internal temperature sensor, an internal reference voltage As can be seen from the figure above, there is an internal re...[Details]
Summary of STM32 peripheral DMA usage: 1. Select DAM mode according to your needs: (1) Circular mode—DMA_Mode = DMA_Mode_Circular (2) Normal mode—DMA_Mode = DMA_Mode_Normal 2. For Chanel3 of DMA1, t...[Details]
Since 2018, the field of artificial intelligence chips has been very lively. Especially in China, the rich vertical application scenarios have provided fertile ground for the development of AI chip...[Details]
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