pinMode()

[Digital I/O]

描述

Configures the specified pin to behave either as an input or an output. See the description of digital pins for details on the functionality of the pins.It is possible to enable the internal pullup resistors with the mode INPUT_PULLUP. Additionally, the INPUT mode explicitly disables the internal pullups.

語法

pinMode(pin, mode)

參數

pin: the number of the pin whose mode you wish to set
mode: INPUT, OUTPUT, or INPUT_PULLUP. (see the digital pins page for a more complete description of the functionality.)

回傳

None

範例程式碼

int ledPin = 13;                // LED connected to digital pin 13
 
void setup()
{
  pinMode(ledPin, OUTPUT);      // sets the digital pin as output
}
 
void loop()
{
  digitalWrite(ledPin, HIGH);   // sets the LED on
  delay(1000);                  // waits for a second
  digitalWrite(ledPin, LOW);    // sets the LED off
  delay(1000);                  // waits for a second
}

注意

Unlike Arduino, the analog input pins (referred to as A0, A1, etc) of 86Duino cannot be used as digital pins.

參考

• [程式語法] constants
• [程式語法] digitalWrite()
• [程式語法] digitalRead()

語法參考主頁面

86Duino 參考的文本是根據 Creative Commons Attribution-ShareAlike 3.0 License，部分文本是從 the Arduino reference 修改的。 參考中的代碼示例已發佈到公共領域。