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Author: Simo

Hardware – Dell PowerEdge PCIE training error, what should I do?

After telling the server to restart, it now displays “PCle training error: internal storage slot” and the next line is “System stopped!”. It cannot be started.

Any ideas?

Tell the serve

September 24, 2021By Simo Motherboard Dell, error, Hardware, PCIe, PowerEdge, training, what to doLeave a Comment

Change the BIOS settings on the SuperMicro system via script

I see that Dell & HP have a program that can change the B IOS settings remotely or through scripts/files.

Does anyone know how to do it on the Supermicro system? To do this, or is there a sys

September 24, 2021By Simo Motherboard BIOS, By, change, Script, Settings, Supermicro, systemLeave a Comment

How to read data from serial ports in R

I want to draw real-time data from the serial port. I think R is a good tool for this job. I encountered a stumbling block while trying to read data from the serial port (COM4) I have verified that the data is entered via terra term (and closed the session before trying R), but I can’t seem to get anything in R.

September 24, 2021By Simo Motherboard data, How to, Medium, read, serial portLeave a Comment

MacOS – How to display text in OpenGL on Mac OS using Retina

I am using OpenGL to draw in Mac OS. When my code runs on a Retina display, everything works fine, except for text drawing.
Under the retina display, the text is it It should be twice as large. Th

September 24, 2021By Simo Macbook display, draw, how to use, Mac, MacOS, OpenGL, OS, retina, TextLeave a Comment

MT7620A expands serial port

mt7620a expand serial port There are two files to be modified:

Enter /home/ihid/chaos_calmer/target/linux/ramips/dts/mt7620a.dtsi

pinctrl {
state_default: pinctrl0 {
< br /> gpio {
ra

September 24, 2021By Simo Motherboard Expansion, MT, MT7620A, serial portLeave a Comment

Group-6.1 Bus Overview

I. Examination syllabus

1) Overview of the bus

The basic concept of the bus; the classification of the bus; the composition and performance indicators of the bus

2 ) Bus arbitrati

September 24, 2021By Simo Motherboard 6.1, bus, Count, Group, overviewLeave a Comment

Pixy & STM32 Usage Records (Serial Pull & SPI Peripherals)

First, steadfastly figure out the stm32 peripheral serial port and SPI, don’t look down on trivial matters. Use SPI communication to read out the data of pixy, send the data to the serial port assi

September 24, 2021By Simo Motherboard Peripheral, Pixy, Pixy & STM32, Record, Serial, SPI, STM, UsedLeave a Comment

Virtualization – Enable hardware virtualization BIOS; Is there anything to pay attention to?

Many of the latest virtualization tools can use or support B IOS support (Intel-VT, AMD-V, etc.). But in most BIOS screens I have seen, by default It has been disabled-sometimes even a very subtle

September 24, 2021By Simo Motherboard BIOS, chemical, enabled, Hardware, needs, pay attention, Virtual, whatLeave a Comment

Serial programming technical articles collection

Unexpectedly, it has been split and combined with com’s programming technology for many years, and now it is used again. It was discovered that this piece of content still recorded something. So re

September 24, 2021By Simo Motherboard articles, collection, programming, serial port, technologyLeave a Comment

STM32’s printf () function serial port redirection (HAL library standard library)

1. Create a project

2. Core: add a new file usar_fputc.c (name whatever you want), add the file to the project Go

#include “stdio.h”
  #include “stm32f1xx_hal.h”

extern UART_Handl

September 24, 2021By Simo Motherboard all, applicable, function, HAL, Library, printf, redirection, serial port, Standard, STM, STM32Leave a Comment

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