[i=s]This post was last edited by Yaojishanchuan on 2021-3-16 14:32[/i]The boot logo of the ITOP-3399 platform is divided into two stages, namely the logo of the u-boot stage and the logo of the kerne...
The day before yesterday, I posted a thread in this forum, discussing how to write a function in MDK5 to display a complex string on the TFT screen, such as LCD_SHOWSTRING ("aa我我"). To display this st...
Analog IIC is a relatively simple way to lock IIC. It is easy to program and modify. So I usually use analog IIC for IIC operation. The OLED program is based on the OLED display code of Zhengdian Atom...
Our platform is 2440, wince5.0, when tested on a virtual machine, there is no problem playing wmv files, but when it is played on the board with ceplayer, it is very stuck, but it is acceptable to pla...
It is reported that in the current economic downturn, it is the [url=http://www.eepw.com.cn/news/listbylabel/label/智能手机][size=2][color=#000000]smartphones[/color][/size][/url] that have driven the gro...
I designed two power supplies on my board, one provides 3.3V/850mA to power the MSP430 microcontroller, and the other provides 4V/3A to power the GPRS module. My teacher suggested that I add ferrite b...
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 2017,
Sanan Optoelectronics
achieved sales revenue of 8.394 billion yuan, operating profit of 3.856 billion yuan, and net profit attributable to shareholders of the parent company of 3.1...[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]
stm32cubeMX graphical configuration content STM32CubeMX is part of the original STMCube initiative from st microelectronics, and STM32Cube includes STM32CubeMX. STM32CubeMX is a graphical software co...[Details]
I have always wanted to write some posts and blogs, but I just couldn't bear to do it as I just graduated. After some preparation, I decided to write down some of the things I learned in the past few...[Details]
Development Background: 1. Main chip - STM32F207VCT6; 2. TCP/IP protocol stack - LWIP, transplanted based on ST routines; 3. Operating system - none (bare metal); Anomalies: 1. Power on the device wi...[Details]
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]
Time flies. Since the beginning of 2018, news related to home appliance companies have repeatedly made headlines, and competition in the home appliance market continues to intensify. In order to be...[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]
With the implementation of the first version of the NR sub-6GHz draft of 3GPP in December 2017, and the subsequent Phase 2 drafts, semiconductor manufacturers and terminal manufacturers began to ...[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]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]