SoftwareSerial: isListening()
描述
檢查軟體序列介面是否被監聽中。
語法
mySerial.isListening()
參數
無參數
回傳
boolean:如果該軟體序列介面被監聽中則回傳 true,反之回傳 false
範例
#include <SoftwareSerial.h>
// 創建新的軟體序列介面,TX 在數位腳位 10,RX 在數位腳位 11
SoftwareSerial portOne(10,11);
void setup()
{
// 啟動硬體序列介面
Serial.begin(9600);
// 啟動軟體序列介面
portOne.begin(9600);
}
void loop()
{
if (portOne.isListening()) {
Serial.println("Port One is listening!");
}
See also
- SoftwareSerial()
- read()
- print()
- println()
The text of the 86Duino reference is a modification of the Arduino reference, and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.
