我有6个不同的LED连接到引脚2到7和一个按钮连接到引脚8.我有两个功能,一个导通和关闭间隔一秒导通和关闭两个功能和以彩色图案领先。我试图在按下按钮时在这两种模式之间切换。但它不按我想要的方式工作。我必须按住按钮,直到全部LED熄灭才能切换模式。按下按钮后,我希望我的指示灯立即切换模式。按钮信号检测不正确
我已经尝试while循环切换模式,当引脚8(按钮)高,但我得到相同的结果,我不得不推动,使其工作。
继承人我的代码:
//BUTTON STATE
int state = 0;
bool currentState = LOW;
bool lastState = LOW;
void setup() {
// put your setup code here, to run once:
for(int pin = 2;pin <8; pin++){//DECLARE PIN FOR OUTPUT FROM PIN 2 TO 7
pinMode(pin,OUTPUT);
pinMode(8,INPUT);
}
}
bool buttonState(bool last){
bool current = digitalRead(8);
if(last != current){
current = digitalRead(8);
}
return current;
}
void led_dance(int mode){
if(mode == 0 && digitalRead(8) != HIGH){
mode_sequeal();
}
else{
mode_color();
}
}
void mode_sequeal(){//TURN ON LED IN SERIES AND TURN IT OFF IN SERIES
for(int led = 2;led <8; led++){//FOR TURNING LED ON
digitalWrite(led, HIGH);//TURNS LED ON
delay(1000);//DELAY FOR 1 SECONDS
}
for(int led = 2;led <8; led++){//FOR TURNING LED OFF
digitalWrite(led, LOW);
delay(1000);//DELAY FOR 1 SECONDS
}
}
void mode_color(){
digitalWrite(2,HIGH);
digitalWrite(5,HIGH);
delay(500);
digitalWrite(2,LOW);
digitalWrite(5,LOW);
digitalWrite(3,HIGH);
digitalWrite(7,HIGH);
delay(500);
digitalWrite(3,LOW);
digitalWrite(7,LOW);
digitalWrite(4,HIGH);
digitalWrite(6,HIGH);
delay(500);
digitalWrite(4,LOW);
digitalWrite(6,LOW);
}
void loop() {
// put your main code here, to run repeatedly:
currentState = buttonState(lastState);
if(lastState == LOW && currentState == HIGH){
state++;
}
lastState = currentState;
if(state == 2){
state = 0;
}
led_dance(state);
}
首先,根据问题按钮连接到引脚2并根据代码 - 到引脚8.哪一个是它?其次,你只需要初始化引脚8一次 - 在每次循环迭代中都不需要它。 – 2015-03-02 20:41:24
对不起,其连接的引脚8。现在我纠正了我的问题 – 2015-03-02 20:42:58