const intbuttonPin = 12;
//按鍵引腳數量
const int ledPin=
13;
// LED引腳數量
// variableswill change:
int buttonState= 0;
// 變量讀取按鍵狀態
longpreviousMillis = 0;
// 將存儲LED被更新的最後一次
// the followvariables is a long because the time, measured in miliseconds,
// will quicklybecome a bigger number than can be stored in an int.
long interval =1000;
// interval at which toblink (milliseconds)
void setup() {
// initialize the LED pin as an output:
pinMode(ledPin, OUTPUT);
// initialize the pushbutton pin as an input:
pinMode(buttonPin, INPUT);
Serial.begin(9600);
}
void loop(){
// read the state of the pushbutton value:
buttonState = digitalRead(buttonPin);
// check if the pushbutton is pressed.
// if it is, the buttonState is HIGH:
if (buttonState == HIGH) {
// turn LED on:
digitalWrite(ledPin, HIGH);
Serial.println("apple");
delay(300);
// so won't send msg too many times
}
else {
// turn LED off:
digitalWrite(ledPin, LOW);
}
// Simply to keep xbee alive
unsigned long currentMillis = millis();
if(currentMillis - previousMillis >interval) {
// save the last time you blinked the LED
previousMillis = currentMillis;
Serial.println("sync");
}
}
int val =0;
char code[10];
int bytesread =0;
void setup() {
Serial.begin(2400);// 將Serial RX pin(digital 0) 設為2400bps
pinMode(2,OUTPUT);// 將digital pin 2設為輸出，以便傳送訊號給RFID reader
}
voidloop() {
digitalWrite(0,LOW); //
啟動RFID reader
if(Serial.available()> 0) { //
假如reader有資料讀入
if((val = Serial.read()) == 10) { //
檢查標頭是否為10
bytesread = 0;
while(bytesread<10){
if( Serial.available() > 0) {
val = Serial.read();
if((val == 10)||(val == 13)) { //假如讀到表示標頭的10或結束的13
break; //
停止讀取
}
code[bytesread] = val; //紀錄讀入的值
bytesread++; //準備讀取下一個位元
}
}
if(bytesread == 10){ //
如果十個號碼皆讀取成功
Serial.print("TAG code is: ");
Serial.println(code); //
顯示TAG號碼
}
bytesread = 0;
digitalWrite(0,HIGH); //
關閉RFID reader
delay(500);
}
}
}
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