varW_ADCValue);if(myGizwits.hasBeenSet(EVENT_led_onoff)){myGizwits.read(EVENT_led_onoff,&varR_LED_OnOff);//Address for storing data}if(varR_LED_OnOff==1){digitalWrite(myledPin,HIGH);// sets the user LED on}else{digitalWrite(myledPin,LOW);...
digitalWrite():将数字引脚写HIGH(高电平)或LOW(低电平) 如果该引脚通过pinMode()设置为输出模式(OUTPUT),您可以通过digitalWrite()语句将该引脚设置为HIGH(5伏特)或LOW(0伏特/GND)。 如果该引脚通过pinMode()设置为输入模式(INPUT),当您通过digitalWrite()语句将该引脚设置为HIGH时, 这与将该引脚将被设置为输入...
intdata=0; ISR(WDT_vect) { //看门狗唤醒执行函数 data++; } voidsetup() { pinMode(ledPin,OUTPUT); set_sleep_mode(SLEEP_MODE_PWR_DOWN);//设置休眠模式。 //开始设置看门狗中断,用来唤醒。 MCUSR&=~(1<<WDRF); WDTCSR|=(1<<WDCE)|(1<<WDE); WDTCSR=1<<WDP1|1<<WDP2; WDTCSR|=_...
解决方案如下,我们仅仅将setPinModes()的执行移到setup()函数: C++ boolsetPinModes();intpin = GPIO5;boolinitialized;voidsetup(){ initialized = setPinModes(); }voidloop(){if( initialized ) {//do something} }boolsetPinModes(){if( pin <0)returnfalse; pinMode( pin, OUTPUT );returntrue; ...
attached to pin 13. created 2005 by DojoDave <http://> modified 30 Aug 2011 by Tom Igoe This example code is in the public domain. https://www.arduino.cc/en/Tutorial/BuiltInExamples/Button */ // constants won't change. They're used here to set pin numbers: ...
digitalWrite( ledPin, HIGH ) ; delay( motor_open_drive_time ) ; } } // End open/close actions } ELECHOUSE_cc1101.SetReceive() ; // Do continue listening } } // Called if Arduino receives data over serial link void serialEvent( void ) { ...
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...
pinMode(2, OUTPUT); //Pin 2 will be the PPM output. // while(PINC & B00000001); //While analog input 0 is low. // } // void loop(){ // //Channel 1 // while(!(PINC & B00000001)); //While analog input 0 is low. // PORTD |= B00000100; //Set output 2 high. // ...
pinMode(LED_BUILTIN, OUTPUT); digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level) delay(500); // wait for a second digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW
// LED connected to digital pin 13 void setup() { // put your setup code here, to run once: pinMode(ledPin, OUTPUT); } void loop() { // put your main code here, to run repeatedly: digitalWrite(ledPin, HIGH);//set the LED on delay(2000); digitalWrite(ledPin, LOW); delay(20...