voidsetup() { // initialize the LED pin as an output: pinMode(ledPin,OUTPUT); // initialize the pushbutton pin as an input: pinMode(buttonPin,INPUT); } voidloop() { // read the state of the pushbutton value: buttonState=digitalRead(buttonPin); // check if the pushbutton is press...
pinMode( ledPin, OUTPUT ) ; ELECHOUSE_cc1101.Init( F_433 ); // Frequency: 433MHz //ELECHOUSE_cc1101.Init( F_868 ) ; // Frequency: 868MHZ //ELECHOUSE_cc1101.Init( F_915 ) ; // Frequency: 915MHz if ( IS_GARAGE_STATION ) ELECHOUSE_cc1101.SetReceive() ; // Do listen else if...
boolsetPinModes();intpin = GPIO5;boolinitialized = setPinModes();voidsetup(){ }voidloop(){if( initialized ) {//do something} }boolsetPinModes(){if( pin <0)returnfalse; pinMode( pin, OUTPUT );returntrue; } 解决方案如下,我们仅仅将setPinModes()的执行移到setup()函数: ...
int buttonPin = 3; // setup 中初始化串口和按键针脚. void setup() { beginSerial(9600); pinMode(buttonPin, INPUT); } // loop 中每次都检查按钮,如果按钮被按下,就发送信息到串口 void loop() { if (digitalRead(buttonPin) == HIGH)//通过eigitalRead读取到针脚3的电平值是否为高 serialWrite(...
Analog input, analog output, serial output Reads an analog input pin, maps the result to a range from 0 to 255 and uses the result to set the pulsewidth modulation (PWM) of an output pin. Also prints the results to the serial monitor. ...
F("KEY2_LONG_PRESS ,AirLink mode")); digitalWrite(ledPin, HIGH); // sets the LED on myGizwits.setBindMode(WIFI_AIRLINK_MODE); //AirLink mode break; default: break; } } void setup() {// put your setup code here, to run once: Serial.begin(9600); pinMode(ledPin, OUTPUT); ...
return this->attach(pin, MIN_PULSE_WIDTH, MAX_PULSE_WIDTH); } uint8_t Servo::attach(int pin, int min, int max) { if(this->servoIndex < MAX_SERVOS ) { pinMode( pin, OUTPUT) ; // set servo pin to output servos[this->servoIndex].Pin.nbr = pin; ...
pinMode(13, OUTPUT); //Set pin 13 as an 'output' pin as we will make it output a voltage. digitalWrite(13, HIGH); //This turns on pin 13/supplies it with 3.3 Volts. } The line of code starting with ‘pinMode’ sets pin 13 as an output. This enables us to write a value to...
pinMode(DATA_PIN,输入); pinMode(BTN_PIN,INPUT_PULLUP); clockPinState = digitalRead(CLK_PIN); pinMode(SET_FREQUENCY_HZ, INPUT);// 将引脚设置为输入 pinMode(SET_FREQUENCY_KHZ,输入); pinMode(SET_FREQUENCY_MHZ,输入); pinMode(ENABLE_DISABLE_OUTPUT_PIN,输入); ...
LL_GPIO_SetOutputPin(GPIOA,LL_GPIO_PIN_1); GPIO 函数库 Arduino 数字 I/O 函数库 digitalRead(pin) digitalWrite(pin, value) pinMode(pin, mode) STM32 函数库 标准库(STM32F103xx) 复位和时钟设置(RCC) void RCC_DeInit(void); void RCC_HSEConfig(uint32_t RCC_HSE); ...