pinMode(A0, OUTPUT); pinMode(A1, OUTPUT); pinMode(A3, INPUT); pinMode(A4, OUTPUT); } 这个Arduino倒数计时器的工作很简单,但代码有点复杂。代码由代码中的注释解释。 最初,它将在LCD显示屏上打印“ Arduino Timer”,直到您按下按钮。一旦您按下按钮,它将通过调用“setFeedingTime”函数要求进入倒计时...
pinMode(pins[i], OUTPUT); // 设置每个指针作为输出。 } void loop() { int i; for (i = 0; i < num_pins; i++){ // 扫描通过每个引脚… digitalWrite(pins[i], HIGH); // 置为高电平 (打开) delay(timer); // 延时 digitalWrite(pins[i], LOW); // 置为低电平 (关闭) for (i =...
void bridgeOFF( void ) { // Set all output pins LOW PORTB = 0b00000000 ; // Motor Spin-down grace period delay( 300 ) ; } void bridgeForward( void ) { bridgeOFF() ; // Forward, D8+D9+D13 HIGH, D13 is the onboardLED. PORTB = 0b00100011 ; } void bridgeReverse( void ) ...
pinMode(ledPins[thisPin], OUTPUT); } } void loop() { // loop from the lowest pin to the highest: for (int thisPin = 0; thisPin < pinCount; thisPin++) { // turn the pin on: digitalWrite(ledPins[thisPin], HIGH); delay(timer); ...
pinMode(led1, OUTPUT); // define pins as input or output pinMode(led2, OUTPUT); pinMode(toggleLed, OUTPUT); pinMode(pushButton, INPUT); attachInterrupt(digitalPinToInterrupt(pushButton), pushButton_ISR, CHANGE); // use interrupt pin2 ...
Returns the specified pins to high-impedance output and closes the device. 函数使用 这里我们需要用到的是gpio gpio_open(int pin),void gpio_set_direction(gpio device, int direction),void gpio_write(gpio device, unsigned int value),unsigned int gpio_read(gpio device) ...
is enabled for those pins//that support it, as we turn it off when digitally reading or//writing with them. Also, make sure the pin is in output mode//for consistenty with Wiring, which doesn't require a pinMode//call for the analog output pins.pinMode(pin, OUTPUT);if (val == ...
make sure the pin is in output mode// for consistenty with Wiring, which doesn't require a pinMode// call for the analog output pins.pinMode(pin,OUTPUT);if(val==0){digitalWrite(pin,LOW);}elseif(val==255){digitalWrite(pin,HIGH);}else{switch(digitalPinToTimer(pin)){// XXX fix neede...
Simulink® Support Package for Arduino® Hardware supports these blocks whose operation is independent of the timer on the Arduino hardware board. Digital Input I2C Read ThingSpeak Write Digital Output Serial Receive WiFi TCP/IP Receive Analog Input Serial Transmit WiFi TCP/IP Send Analog Output ...
Timer0– 用于 millis(), micros(), delay() and PWM 在 pins 5 和 6Timer1– 用于 Servos, the WaveHC library and PWM 在 pins 9 &和10Timer2– 用于 Tone and PWM 在 pins 11 和 13 共享数据安全 由于中断将挂起处理器处理中断所做的任何事情,因此我们必须小心在中断处理程序和循环中的代码之间共...