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Recently, the first Higher Education Science and Technology Innovation Conference was held in Qingdao, Shandong. The conference was guided by the Department of Science, Technology and Informatization...[Details]
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In the design of LED lighting power supply, there are several design problems: the life of electrolytic capacitors does not match that of LEDs, the common causes and treatments for LED flickering...[Details]
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With the rapid rise of smart phones and tablet devices in the consumer electronics field in recent years, all manufacturers have been trying their best to compete. If we divide the market by opera...[Details]
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usb.c source code: // Reference: drivers/hid/usbhid/usbmouse.c #include "linux/kernel.h" #include "linux/slab.h" #include "linux/module.h" #include "linux/init.h" #include "linux/usb/input.h" #includ...[Details]
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Interrupts work like this: Interrupt is an exception mode. Once an interrupt occurs, the currently executing program will be stopped, and the PC pointer will jump to the address of the exception v...[Details]
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A "dual-sensory" therapy that combines precisely timed sound and touch has shown impressive results in reducing people's experience of tinnitus, a common and debilitating form of hearing loss that ma...[Details]
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Similar to the GPS reception performance test in CDMA equipment, the GPS reception performance in GSM/UMTS equipment also requires testing TIS, Upper Hemisphere Isotropic Sensitivity (UHIS) (Theta...[Details]
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With the increasing use of single-chip microcomputers, it is also common to use it as a front-end machine for collection and communication in various applications. Generally, the front-end machine is...[Details]
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introduction
With the need for multiple transmission media, multiple access configurations and business development within the access network (
AN
), ITU has formulated the G.964 re...[Details]
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Strategy Analytics’ latest research report, “Smart Home Survey – Surveillance Cameras,” points out that among households with smart homes in the United States, the United Kingdom, Germany and France,...[Details]
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1 Introduction
The various control valves used in oil storage tanks and oil pipelines in oil depots are essential field instruments in the process of oil storage and transportation. The degree ...[Details]
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In 2022, the CMR Industry Alliance will jointly launch a series of selection activities with the New Strategy Mobile Omni Media to promote the high-quality development of the industry, aiming to di...[Details]
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1 Introduction
In modern society, as more and more nonlinear load devices are connected to the power grid, a large amount of harmonic current is injected into the power grid, causing voltage distorti...[Details]
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/*****************Serial port application ******************/
//////////////////Serial Port 1//////////////
#include"12c5a60s2.h"
#include"uart.h"
unsigned char buf ,g;
v...[Details]
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1. Why do we need DMA?
First, let's look at the serial port to transmit information: sending strings.
Send function: Add the following send function in uart.c:
Next c...[Details]
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