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
Month: September 2021
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
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
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
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
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
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
Distribute archived display Mac OS instead of iOS
I created a brand new project in the latest version of Xcode, and have built and run it on the Simulator and the device plugged into my Mac.
There is nothing in my project settings that means
NET CORE NMODBUS4 reads the value of serial port devices
Use NModbus4 to read serial port public static void aget() {byte[] array = new byte[8]; using (SerialPort port = new SerialPort(“COM3”)) {port.BaudRate = 9600; port.DataBits = 8; port.Parity
Serial communication
/*< /span>At Fu’an Apartment at 00:30 on August 10, 2018
Function: Send the set characters to the PC through the serial port assistant and connect to the serial port It is displayed on the assistan