#include<Arduino.h>intled=LED_BUILTIN;voidpinToggle(intpin){digitalWrite(pin,!digitalRead(pin));}voidsetup(){// put your setup code here, to run once:pinMode(led,OUTPUT);}voidloop(){// put your main code here, to run repeatedly:delay(100);pinToggle(led);} 上例中的 void pinToggle(...
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特定的中断号。 attachInterrupt(digitalPinToInterrupt(pushButton), pushButton_ISR, CHANGE); 中断子程序...
// and the RX line from the esp to the Arduino's pin 3 void setup() { Serial.begin(9600); esp8266.begin(9600); // your esp's baud rate might be different pinMode(11,OUTPUT); digitalWrite(11,LOW); pinMode(12,OUTPUT); digitalWrite(12,LOW); pinMode(13,OUTPUT); digitalWrite(13,L...
#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],...
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 ...
modeTCCR2A|=(1<<WGM21);//打开CTC模式// Set CS21 bit for 8 prescalerTCCR2B|=(1<<CS21);// enable timer compare interruptTIMSK2|=(1<<OCIE2A);sei();//打开全局中断pinMode(13,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...
pin - 设置模式的引脚编号 mode - INPUT、OUTPUT或者INPUT_PULLUP digitalWrite() 函数 digitalWrite()函数向 数字引脚写入HIGH或者LOW值: 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...
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 ...
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...
int sensorReading = 0; // variable to store the value read from the sensor pin int ledState = LOW; // variable used to store the last LED status, to toggle the light void setup() { pinMode(ledPin, OUTPUT); // declare the ledPin as as OUTPUT ...