Programmierung
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Programmcode
//----------------------------------------------//
// Speedy-Tempomessgerät //
// Projektarbeit //
// Justin Frommberger & Jonas Gerke //
// Stand: 29.11.2022 //
//--------------------------------------------- //
#include <FastLED.h>
#include <ArduinoSort.h>
#define LED_PIN 7
#define NUM_LEDS 257
CRGB leds[NUM_LEDS];
int DELAYVAL = 400;
float v = 0; //Variablen Deklaration
float ontime, offtime;
int pin = 5;
float mitte = 0;
int T = 25000;
float speedarray[5];
void setup() {
FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, NUM_LEDS); //LEDs Deklarieren
Serial.begin(115200);
pinMode(pin, INPUT);
}
void loop() {
for (int i = 0; i < 5; i++) { // 5 Messungen durchführen
ontime = pulseIn(pin, HIGH); // Messung wie lange der Sensor ein High Signal sendet
speedarray[i] = ontime; // Messungen in Array speichern
delay(250);
}
sortArray(speedarray, 5); // Array Inhalt nach Größe sortieren
mitte = speedarray[2]; // Median-Wert herausfinden
if(mitte > 0 && mitte <= 25000){ // nur postive ontimes
v = (mitte / T) * 100;
}
else {
v = 0.0;
}
// LED ausführen
switchCase(); // switchCase Methode ausführen
FastLED.show(); // LEDs Starten
delay(DELAYVAL);
}
void switchCase() {
int LINKS = 0;
int RECHTS = 0;
int Rot = 0; //Deklaration um LEDs Rot oder Gruen anzuzeigen
int Gruen = 0;
LINKS = round(v) / 10; // linke Ziffer herausfinden
RECHTS = round(v) % 10; // rechte Ziffer herausfinden
for (int i = 0; i <= 255; i++) {
leds[i] = CRGB(0, 0, 0);
}
if (LINKS <= 3 && RECHTS <= 9) { // Geschwindigkeiten unter 30 KM/H werden Gruen angezeigt
Rot = 0;
Gruen = 150;
}
if (LINKS >= 3 && RECHTS >= 0) { // Geschwindigkeiten über 30 KM/H werden Rot angezeigt
Rot = 150;
Gruen = 0;
}
switch (LINKS) { // Linke Zahl
case 0:
for (int i = 0; i <= 55; i++) {
leds[i] = CRGB(0, 0, 0);
}
for (int i = 72; i <= 125; i++) {
leds[i] = CRGB(0, 0, 0);
}
break;
case 1:
for (int i = 88; i <= 125; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 2:
for (int i = 10; i <= 29; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 40; i <= 86; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 97; i <= 115; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 3:
for (int i = 40; i <= 86; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 87; i <= 125; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 4:
for (int i = 0; i <= 9; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 30; i <= 39; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 56; i <= 71; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 88; i <= 125; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 5:
for (int i = 0; i <= 9; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 30; i <= 87; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 88; i <= 96; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 116; i <= 125; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 6:
for (int i = 0; i <= 96; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 116; i <= 125; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 7:
for (int i = 40; i <= 55; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 88; i <= 125; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 8:
for (int i = 0; i <= 125; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 9:
for (int i = 0; i <= 9; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 30; i <= 39; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 40; i <= 125; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
}
switch (RECHTS) { // Rechte Zahl
case 0:
for (int i = 127; i <= 182; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 199; i <= 254; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 1:
for (int i = 215; i <= 254; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 2:
for (int i = 137; i <= 156; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 167; i <= 213; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 225; i <= 244; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 3:
for (int i = 167; i <= 213; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 214; i <= 254; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 4:
for (int i = 127; i <= 136; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 157; i <= 166; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 183; i <= 198; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 215; i <= 254; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 5:
for (int i = 127; i <= 136; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 157; i <= 214; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 215; i <= 224; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 245; i <= 254; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 6:
for (int i = 127; i <= 224; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 245; i <= 254; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 7:
for (int i = 167; i <= 182; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 215; i <= 254; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 8:
for (int i = 127; i <= 254; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
case 9:
for (int i = 127; i <= 136; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 157; i <= 166; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
for (int i = 167; i <= 254; i++) {
leds[i] = CRGB(Rot, Gruen, 0);
}
break;
}
delay(250);
mitte = 0;
}
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