Just modify the cmd_ipc_func function in player_demo to the following:
static void cmd_ipc_func(char *wbuf, int wbuf_len, int argc, char **argv)
{uint8_t vol_temp;if (argc == 3strcmp(argv[1], "play") ...
I recommend a good free video for getting started with embedded driver development: http://www.56.com/u15/v_NDE1MjU1MzI.html If it's good, I'd like to give it a thumbs up for more information [url=htt...
DAC902 (Analog-to-Digital Converter) I tested DAC902 on a breadboard using a program according to the typical circuit diagram and timing in the data sheet, but it didn't work. It just outputs the powe...
How do we achieve mutual exclusion when using memory mapped files for communication between different processes? If process A is operating a mapped file and process B also wants to access it, how do w...
[i=s]This post was last edited by Study_Stellaris on 2014-11-17 13:56[/i] [p=30, 2, left] Previously, I needed to develop a graphical interface host computer software for work, and used NI's LabView. ...
I need a s3c6410, ADC interrupt acquisition driver under wince6. I am currently using query and want to change to interrupt. I have never used 6410 interrupt before. Does anyone have one? Thank you....
Most of the houses we live in now are elevator buildings, mainly because it is more convenient to go up and down the stairs! It can also make life more comfortable. It even helps to increase the ad...[Details]
A line scan lens is an industrial lens used with line scan cameras. Its imaging principle is to capture the image of the workpiece using a linear sensor and then perform digital signal processing t...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
Core point: The automotive industry chain and the humanoid robot industry have collaborative advantages in hardware, software, and scenarios. Upstream and downstream companies in the automotive ind...[Details]
On August 22, according to the Ministry of Industry and Information Technology's official website, my country's first mandatory national standard for the control of hazardous substances in electric...[Details]
Pure electric vehicles, structurally speaking, have components such as a power battery. In addition to the power battery, a small battery also powers some low-voltage electrical components and even...[Details]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[Details]
With the advent of the electric car era, the number of pure electric vehicles has increased significantly, but many car owners do not know how to properly maintain pure electric vehicles. In additi...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
The complexity of the integrated circuits (ICs) used in electronic systems in vehicles is increasing. They aim to execute artificial intelligence (AI) algorithms to control autonomous driving funct...[Details]
UPS stands for Uninterruptible Power Supply, which includes energy storage devices. It is mainly used to provide uninterruptible power supply for devices that require high power stability.
...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[Details]
In daily life, when we purchase a transformer, we are faced with the installation and wiring procedures. Generally speaking, large transformers such as power transformers are equipped with speciali...[Details]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
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