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[align=center]Chapter 9[/align][align=left]1. When a thread needs to be delayed and enters a blocked state, what does the CPU do? If there are no other threads to run, RTOS will create an idle thread ...
First of all, I wish you all a happy New Year's Day. I posted this so late just to gather the joy of New Year's Day. I wish eeworld to develop better and better, and I also hope that the people around...
After initializing ddr, local_cal_fail is high. I found that the pll clock is not locked and pll_lock is always low. I used a function signal generator to generate a stable clock and connected it. The...
In order to realize the multi-functional control of 51 MCU, how to solve the problem of insufficient ports of 51 MCU when there are many tasks? (The premise is not to add expansion chips)...
Guo Mingchi recently made a prediction about the new flagship in the second half of the year. He predicted that Samsung's Galaxy Note 10, which will be launched in the second half of the year, will c...[Details]
According to Nikkei Asian Review, Edwin Diender, vice president of Huawei Enterprise BG Government and Public Utilities Systems, said in an interview recently that although the US "sanctions" threate...[Details]
OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
Introduction
The emergence of the "Olefin King" in 2016 has made everyone in the graphene industry remember this name - Dongxu Optoelectronics. In the past two years, Dongxu Optoelectronics ha...[Details]
Qualcomm launches the first generation Snapdragon 6 and first generation Snapdragon 4 mobile platforms, bringing flagship features to more consumers
— Delivering Superior Imagi...[Details]
What is a PIC microcontroller?
PIC (Peripheral Interface Controller) is an integrated circuit (IC) used to control peripheral devices. It is a CPU with decentralized (multi-tasking) functi...[Details]
Speaking of 2.5D screens, I believe everyone has heard of it. After all, the latest iPhone 6 uses this screen. But in fact, iPhone 6 is not the first manufacturer to use this type of screen. As ea...[Details]
The steering system is an important component of a car and an important connection tool between people and cars. It has been constantly updated with the overall development of the car and the emerg...[Details]
To address the problem of gradual drift of extrinsic parameters, a line-based approach is proposed for automatic online extrinsic calibration of LiDAR and camera in real-world scenarios. First, lin...[Details]
PWMH DATA 30H ;Number of high level pulses
PWM DATA 31H ;PWM周期
COUNTER DATA 32H
pwmhmin DATA 33H
ORG 0000H
AJMP MAIN
;ORG 0003H
;AJMP INT_X0
;ORG 0013H
;AJMP INT_X1
ORG 000BH
A...[Details]
Synchronous machines, sine-cosine resolvers, etc. are widely used in fire control, aerospace, automatic control and other fields to realize the transmission of shaft-angle information between sys...[Details]
1. Definition
Ground current:
current
flowing in the earth or in a grounding electrode
.
Grounding conductor: refers to the conductor that constitutes the ground, which connects the ...[Details]
The parameter commonly used in communication engineering to describe signal phase distortion - group delay (also called envelope delay) is defined as: the slope of the characteristic phase shift...[Details]
The control requirements for this task are as follows:
1. The motor speed control system consists of PLC, analog expansion module, touch screen and frequency converter, which requires strong c...[Details]
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