Link-time optimization, or LTO (Link Time Optimization), is partially introduced as follows (for details, please refer to the GCC document on FLTO): When called with source code, it generates GIMPLE (...
1. First copy ppp-2.4.7.tar.gz to Ubuntu, then execute the following command to decompress it: tar -xvf ppp-2.4.7.tar.gz DecompressionAfter completion, you will get the ppp-2.4.7 directory. Enter the ...
The previous section mainly introduced the use of sensors based on analog signals. This time, let’s talk about the use of digital sensors. There are many types of digital sensors.
Such as temperature ...
Series of articles:
【BLE 5.3 wireless MCU CH582】1. Getting to know the CH582 development board (unboxing)
【BLE 5.3 wireless MCU CH582】2. MounRiver IDE first experience
【BLE 5.3 wireless MCU CH582】3. N...
ObjectiveProvide a zero-setup CircuitPython Python IDE that helpsAnyone who wants to quickly start a project
People working on public computers
Distance education, teachers don't want students to inst...
1. What are the characteristics of AVR32? AVR32 is a "dual-core" chip with two cores, MCU and DSP. It has great advantages in some application fields. Inheriting the high efficiency of AVR, the AP7...[Details]
With more than a dozen dual-mode GSM/UMTS phones on the market and many centers having UMTS coverage, repair centers are often faced with the question of which tests to run when a phone is reported...[Details]
Selling the factory for 630 million and laying off 1,500 employees, can the former Android king make a comeback? Recently, HTC, one of the early Android "kings", was reported to be "done" because i...[Details]
Mobile Internet Device (MID) is an emerging product that integrates wireless communication and computing functions, aiming to provide higher portability than laptops and larger display screens than mo...[Details]
Introduction to high-speed interconnection links
Any communication link consists of three parts: transmitter (TX), medium (channel), and receiver (RX). For high-speed serial interconnection lin...[Details]
1. Design of USB interface based on DSP
1 Introduction
The data processed by DSP often needs to be transferred to PC for storage and reprocessing, so the high-speed communication problem betw...[Details]
After two consecutive years of "crazy price increases and shortages", the continued escalation of the Sino-US trade war has poured cold water on the prosperous electronics industry. MLCC prices have ...[Details]
To update the LCD, the contents of the LCDDATA register can be modified to light or unlight each pixel on the LCD display. The application firmware typically creates modifications to buffer variabl...[Details]
BYD Han's sales in July 2021 reached 8,522 units, a year-on-year increase of 607%, maintaining a steady growth trend. From its launch in July 2020 to the end of July 2021, BYD Han's cumulative sales ...[Details]
1 Introduction
Standby refers to the state when the product is connected to the power supply but is not running its main function. The purpose of standby is to reduce the loss of the power...[Details]
The intelligent cable test system is realized by combining single-chip microcomputer and industrial computer. After actual testing, the hardware circuit design principle and engineering application...[Details]
S3C2440 has two PLLs (phase locked loops), one is MPLL and the other is UPLL. MPLL is used for CPU and other peripheral devices, and UPLL is used for USB. The clock control logic in the S3C2440A ca...[Details]
First, printk has 8 loglevels, defined in , where the value ranges from 0 to 7, and the smaller the value, the higher the priority.
#define KERN_EMERG " 0 " System cr...[Details]
Automotive chip grade
According to the automotive electronics standards set by the United States, automotive chips are divided into five levels, the smaller the number, the higher the level.
...[Details]
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