I am studying the LM3S3748 routine, usb_dev_serial. In the program, USB_UART_BASE is defined as UART0_BASE or UART1_BASE. In addition, during the communication process between the program and the host...
How to operate when 2812 is connected to an external DA?This DA is very simple. When CS is 0, data can be written to the D0-D11 port. CS changes from 0 to 1, and the data on the data line is latched i...
With the continuous improvement and maturity of high-frequency switching power supply technology, its application in railway signal power supply systems is also increasing rapidly. At the same time, i...
When MSP430 is compiled in IAR development environment, it is correct. When you want to view a variable or a function and click GO TO DEFINITIN OF, the question "Unknown version of browse information"...
When compiling the above program with gcc, an "empty character constant" error occurred.
The reason is that there must be a space between the single quotes in line 26. The English meaning of empty cha...
The remote tool in wince6.0 cannot connect to the device, but the remote tool in the start menu can connect. This is so strange. I remember that it could connect for a while, but it has been unable to...
In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]
The trade war between China and the United States has become the focus. The United States has begun to play the ban card against Chinese technology companies. The ZTE incident shows that if the ban...[Details]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]
In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]
Since the second half of 2017,
the market share of
quantum dot
displays has dropped significantly, with global sales falling from 3.42 million in 2016 to 2 million in 2017, a 42% decrease; d...[Details]
This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
STM32 uses FSMC to read and write CPLD programs. CPLD is hung on the address line and data line of STM32. CPLD is regarded as an off-chip RAM for reading and writing. On the board I made, CPLD is hun...[Details]
The ARM11 (S3C6410) processor is selected as the hardware platform, the embedded Linux operating system is used as the software platform, the background difference method and the frame difference...[Details]
Since the 20th century, our data
storage
has evolved from media such as magnetic tapes, floppy disks and CDs to sophisticated semiconductor
storage
chips that can store data in coun...[Details]
The role of the watchdog: Since the operation of the microcontroller is often interfered by the external electromagnetic field, the program may run away and fall into an infinite loop. The normal ope...[Details]
1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]