Files
arduino/week3-3/week3-3.ino
wancat 7cf9de2f1d Week3
2022-03-09 11:21:32 +08:00

33 lines
570 B
C++

#define LED 7
#define BUTTON A0
#define BLINK 8
#define DELAY 100
void setup() {
pinMode(LED, OUTPUT);
pinMode(BUTTON, INPUT);
pinMode(BLINK, OUTPUT);
}
bool mode() {
static bool last = HIGH;
static bool m = HIGH;
if (last && !digitalRead(BUTTON)) {
m = !m;
}
last = digitalRead(BUTTON);
return m;
}
void loop() {
static unsigned long clk = 0;
static bool blinkValue = HIGH;
digitalWrite(LED, mode());
if (millis() - clk > DELAY) {
blinkValue = !blinkValue;
clk = millis();
}
digitalWrite(BLINK, blinkValue);
delay(1);
}