Arduino library for faster and smaller digitalWrite(), digitalRead() and pinMode() functions using direct port manipulation for constant pin numbers. - GitHub - ArminJo/digitalWriteFast: Arduino library for faster and smaller digitalWrite(), digitalRead
Full tutorial on how to control the Arduino UNO ports using register. Port register manipulation, so be able to set pins as output/input with the DDRB, DDRC and DDRD registers, set pin to high or low PORTB, PORTC and PORD regsiters, or read inputs with the PINB, PINC or PIND regist...
Direct port manipulation is possible on the parts (and is easier to write with if you use PIN_Pxn notation!) - in fact, in some ways direct port manipulation is more powerful than it was in the past. several powerful additional options are available for it - see direct port manipulation....
* For more information on speeding up this process, see * [Reference/PortManipulation], specifically the PIND register. */if(digitalRead(encoder0PinA) == digitalRead(encoder0PinB)) { encoder0Pos++; }else{ encoder0Pos--; } Serial.println (encoder0Pos, DEC); }/* See this expanded function...
问Arduino Serial.write只发送一半的数据EN1. 概述 相信很多朋友已经在玩 Arduino了，而且一般都是使用官方的Arduino IDE来写程序控制Arduino硬件。为了能够实现更加方便的控制，微软在Windows IoT计划中推出了Windows Remote Arduino。简单来说，Windows Remote Arduino是一个开源的Windows运行时组件，通过它，我们可以...
The suspension of SPMNPs provides a suitable platform for the manipulation of the thermophysical and flow properties of magnetic fluids by remote magnetic influence.[647,649] It has been reported that changing the strength and direction of a magnetic field significantly affects the thermal conductivity...
Extra: Direct port manipulation (advanced) DigitalRead, digitalWrite and pinMode are great and simple functions, but they are relatively slow. Also, you can't turn on 2 pins on or off at exactly the same time, and writing 8 bits simultaneously for parallel communication is not possible either...
The Arduino uno has 20 io ports. Pin 9 is needed for audio out and one more pin for instrument select. Apart from that, any key can be connected to any i/o pin, and the corresponding note defined in software. For speed reasons, the keys are accessed though direct port manipulation. ...
Reduce variables to the smallest datatype possible. Store data in EEPROM (you have 1KB in Arduino UNO! So make use of that.) Avoid using digitalRead/Write. Use direct port manipulation instead You can save space by putting common code (repetitive) in a function or a loop ...
Of course I also explain how these things work behind the hood, and invite my students to look at other means of doing the same things (registers manipulation) and teach them how a serial port works. It would be so much harder without having the chance to download a single package, plug...