Lurkars/led_bikewheel
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Lurkars 2020-12-28 17:02:46 +01:00
parent 5f6f2825fe
commit 60a76d10a1
1 changed files with 21 additions and 6 deletions
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led_bikewheel.ino
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@ -1,16 +1,31 @@
const int HALL_PIN = 2; const int HALL_PIN = 2;
const int ROUND_COUNT = 2;
void setup() { void setup() {
Serial.begin(115200);
pinMode(LED_BUILTIN, OUTPUT); pinMode(LED_BUILTIN, OUTPUT);
pinMode(HALL_PIN, INPUT); pinMode(HALL_PIN, INPUT);
} }
void loop() { void loop() {
int hall_value = digitalRead(HALL_PIN); float start = micros();
if (hall_value == HIGH) { int count = 0;
digitalWrite(LED_BUILTIN, LOW); bool change = false;
while (count < ROUND_COUNT) {
if (digitalRead(HALL_PIN) == LOW) {
if(!change) {
change = true;
count++;
}
} else { } else {
digitalWrite(LED_BUILTIN, HIGH); change = false;
} }
delay(10); //debounce? }
float end = micros();
float passed = (end - start);
Serial.print("Diff: ");
Serial.print(passed);
Serial.println("micro seconds");
} }