(10); // Timer0 is already used for millis() - we'll just interrupt somewhere // in the middle and call the "Compare A" function below OCR0A = 0xAF; TIMSK0 |= _BV(OCIE0A); pinMode(2, INPUT_PULLUP); attachInterrupt(0, Reset, FALLING); } void Reset() { sweeper1.reset();...
millis()实际读取的是一个名为 timer0_overflow_count 的系统变量，用这两行可以清零：extern volatile ...
= lastButtonState) { // reset the debouncing timer lastDebounceTime = millis(); } if ((millis() - lastDebounceTime) > debounceDelay) { // whatever the reading is at, it's been there for longer // than the debounce delay, so take it as the actual current state: // if the button...
if (reading != lastButtonState) { // reset the debouncing timer lastDebounceTime = millis(); } if ((millis() - lastDebounceTime) > debounceDelay) { // whatever the reading is at, it's been there for longer // than the debounce delay, so take it as the actual current state: // ...
= lastButtonState) { // reset the debouncing timer lastDebounceTime = millis(); } if ((millis() - lastDebounceTime) > debounceDelay) { // 响应大于阈值的按钮动作 // whatever the reading is at, it's been there for longer than the debounce // delay, so take it as the actual current...
Timerl.detachInterrupt ();//Stop the timerSerial.print ("Motor Speed 1:");floatrotationl = (counterl / diskslots) *60.00;//calculate RPM for Motor 1Serial.print (rotationl); Serial.print ("RPM -"); counterl=0;//reset counter to zeroSerial.print ("Motor Speed 2:");floatrotation2 ...
timer = millis(); //完成setup Serial.println("setup success"); } voidloop(void) { // //NRF24l01检测接收数处理 // //如果使用NRF24l01,请启动这里(并删除ZIGBEE检测接收数据处理) // networkSend.begin(/*channel*/ sid, /*node address*/ this_node); ...
#defineKEY16#defineKEY27#defineKEY1_SHORT_PRESS1#defineKEY1_LONG_PRESS2#defineKEY2_SHORT_PRESS4#defineKEY2_LONG_PRESS8#defineNO_KEY0#defineKEY_LONG_TIMER3unsigned long Last_KeyTime=0;unsigned longgokit_time_s(void){returnmillis()/1000;}chargokit_key1down(void){unsigned long keep_time=...
// reset the debouncing timer lastDebounceTime = millis(); } if ((millis() - lastDebounceTime) > debounceDelay) { // whatever the reading is at, it's been there for longer than the debounce // delay, so take it as the actual current state: ...
考虑一辆快速行驶的汽车,如果它突然被相反方向的另一辆车撞到,首先发生的事情是,汽车中的加速度计传感器感应到突然减速并触发微控制器的外部中断车。然后基于该中断,微控制器产生电信号以立即展开安全气囊。汽车中的微控制器同时监控许多事情,例如感应汽车的速度、检查其他传感器、控制空调温度等。那么是什么让安全气囊...