After setting the system environment variables, you only need to enter arm-openwrt-linux-gcc in the Linux terminal to call the cross compiler. There are 3 ways to set the system environment variables:...
[i=s]This post was last edited by wufeijian on 2016-3-28 13:03[/i] Not long after I arrived at the company this morning, I received the NXP USB Type C Demo board from Beijing. I am a little excited. W...
The system uses 2440, wince4.2, which has three peripherals and uses three serial ports to communicate with them. When the application is running, the serial port is opened to send and receive data no...
First question - I am studying computer science, but I am interested in hardware. I just saw a brother in an old post saying that learning VHDL language has no future. I am currently learning it, coul...
I use Guangzhou Friendly Arm's QQ2440V3, and use ActiveSync to download the program. I can see the mobile device item and the folder in wince through the My Computer page of the PC, which means that t...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]
If users want to extend the effective use time of the battery, in addition to ensuring the quality of the charger, correct charging techniques are also essential. Here are 14 tips for charging mobile ...[Details]
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