Under VXWORKS, I started a task to upload a file to the NFS server. The file size is about 4M. After the file is uploaded, PEND+T is triggered, and the ERRNO is 3000002, which means errno = 0x300002: ...
Regarding the ADON trigger function of AT403A and ST103, I find this function a bit annoying. The following examples are given to illustrate1. The essence of the ADON trigger functionis indeed the sam...
I captured a CAN waveform that can communicate normally, but found that the waveform has more than 5 consecutive high levels or low levels without a low level or high level inserted. This is inconsist...
1. Develop a wince 6.0 usb sound card driver that can be connected to an external headset and can play and record normally; 2. A reward of 10,000 yuan is offered;
Interested parties: please QQ: 507089...
I use a data acquisition card to collect the output signal (positive and negative 5V range) of a differential transformer inductive sensor (LVDT). Channel 0 of the acquisition card is connected to the...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
When programming in C and assembly, there are interface issues between variables and functions in C and assembly.
Variables defined in a C program are put into the .bss area after being compile...[Details]
Example of multitasking and resource reuse of programs
There is an electromechanical device with two buttons that control two different parts of the device.
Now the requirement is:
wh...[Details]
This article examines some of the requirements that need to be met when designing DC/DC converters used in telecom and distributed power systems (DPS). Telecom DC/DC converters have an input voltag...[Details]
In recent years, information technology based on microelectronics and computer technology has developed rapidly, and ultrasonic non-destructive testing instruments have also gained unpreceden...[Details]
1. Architecture and operation of electronic toll collection system
The basic principle of the electronic toll collection system is to enable a special device (on-board unit) installed on t...[Details]
introduction
ISP in-system programmable technology is different from the previous PLD which requires a dedicated burner to realize logic design. It does not need to remove the ISP device to re...[Details]
As the trend towards miniaturization continues, new packaging methods and methods of interconnecting integrated circuits have been developed. Today, "system on chip" refers to a packaging method th...[Details]
Microcontroller MCU
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