#include<Arduino.h>intpinMotors[]={15,13,11,10};//pwmintled=25;voidpinToggle(intpin){digitalWrite(pin,!digitalRead(pin));}voidsetup(){// put your setup code here, to run once:pinMode(led,OUTPUT);for(size_ti=0;i<sizeof(pinMotors)/sizeof(*pinMotors);i++){pinMode(pinMotors[i],...
#include <Arduino.h> int led = LED_BUILTIN; int irDrvs[] = {0, 3, 9}; void setup() { // put your setup code here, to run once: pinMode(led, OUTPUT); pinMode(irDrvs[0], OUTPUT); pinMode(irDrvs[1], OUTPUT); pinMode(irDrvs[2], OUTPUT); } void loop() { delay(100)...
定义引脚的动作,哪个引脚将作为 INPUT 或 OUTPUT 工作。 pinMode(led1,输出); pinMode(led2,输出); pinMode(toggleLed,输出); pinMode(按钮,输入); 现在通过附加中断与 ISR 和中断模式的定义来定义中断引脚。请注意,建议在声明attachInterrupt()函数时使用digitalPinToInterrupt(pin_number)将实际的数字引脚转换为...
OUTPUT);}//中断0服务函数ISR(TIMER0_COMPA_vect){//产生频率为2kHz / 2 = 1kHz的脉冲波(全波切换为两个周期,然后切换为低)if(toggle0){digitalWrite(8,HIGH);toggle0=0;}else{digitalWrite(8,LOW
pinMode(led1, OUTPUT);pinMode(led2, OUTPUT);pinMode(toggleLed, OUTPUT);pinMode(pushButton, ...
1、如果引脚通过pinMode()设置为OUTPUT,这电压被设置为响应的值:HIGH为5V(3.3V),LOW为0V(接地)。 2、如果引脚配置为INPUT。则digitalWrite()将启用HIGH或者禁用LOW输入引脚的内部上拉,建议设置为 INPUT_PULLUP 以启用内部上拉电阻。 3、如果不将pinMode()设置为OUTPUT,而将LED连接到引脚,则在调用digitalWrite(...
LDI R17,1< OUT DDRB,R17; DDRB: Data Direction Register. DDRB5=1,Configure the PORTB.5 as OUTPUT OUTPUT: SBI PINB,5; one instrction to toggle the PORTB.5(13 on arduino)// delay loop about 0.5s LDI R19,0xE0 DELAY0: LDI R16, 0x00 DELAY1: LDI R18, 0x00 D...
pinMode(LED, OUTPUT); //LED is a output pin pinMode(Hall_sensor, INPUT_PULLUP); //Hall sensor is input pin attachInterrupt(digitalPinToInterrupt(Hall_sensor), toggle, CHANGE); //Pin two is interrupt pin which will call toggle function ...
pinMode(ledPin, OUTPUT); pinMode(interruptPin, INPUT_PULLUP); // 配置外部中断0 attachInterrupt(digitalPinToInterrupt(interruptPin), toggleMotor_LED, RISING); // 上升沿触发 pinMode(stepPin, OUTPUT); pinMode(dirPin, OUTPUT); digitalWrite(dirPin, LOW); // 初始化:电机顺时针旋转 ...
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