define LED_BUILTIN; replace variables LED1 and LED2 with defines LED1_PIN and LED2_PIN

1 files changed, 15 insertions, 16 deletions

diff --git a/vote/vote.ino b/vote/vote.ino
index 29618f1..fcc16c6 100644
--- a/vote/vote.ino
+++ b/vote/vote.ino
@@ -39,11 +39,10 @@
 // Validity timing thresholds
 const unsigned long VOTE_TIME_TOLERANCE = 1 * 60 * 1000;   // 1 minute
 
-// LED pin setup
-int LED1 = 2;   // Blue
-int LED2 = 33;  // Green
-
-//Global variable to track vote outcome
+// track vote outcome
+#define LED_PIN   LED_BUILTIN
+#define LED1_PIN  2   // Blue
+#define LED2_PIN  33  // Green
 bool waterIsDrinkable = true;  // true means LED off, false means LED on
 
 // Classify gape state
@@ -275,13 +274,13 @@ void setup() {
   Serial.begin(115200);
   esp_log_level_set("*", ESP_LOG_DEBUG);
 
-  pinMode(LED_BUILTIN, OUTPUT);
-  digitalWrite(LED_BUILTIN, HIGH);  // Start with LED off (HIGH = off on active-low boards)
+  pinMode(LED_PIN, OUTPUT);
+  digitalWrite(LED_PIN, HIGH);  // Start with LED off (HIGH = off on active-low boards)
 
-  pinMode(LED1, OUTPUT);
-  pinMode(LED2, OUTPUT);
-  digitalWrite(LED1, LOW);
-  digitalWrite(LED2, LOW);
+  pinMode(LED1_PIN, OUTPUT);
+  pinMode(LED2_PIN, OUTPUT);
+  digitalWrite(LED1_PIN, LOW);
+  digitalWrite(LED2_PIN, LOW);
 
   // setup Bluetooth
   BLEDevice::init("");
@@ -302,16 +301,16 @@ void loop() {
   concludeVote();
   cleanOldBallotData();  // Tidy the voter stack
 
-  digitalWrite(LED_BUILTIN, waterIsDrinkable ? LOW : HIGH);
+  digitalWrite(LED_PIN, waterIsDrinkable ? LOW : HIGH);
 
   // LED Logic: GREEN if drinkable, RED if not
   if (waterIsDrinkable) {
-    digitalWrite(LED2, HIGH); // GREEN ON
-    digitalWrite(LED1, LOW);  // RED OFF
+    digitalWrite(LED2_PIN, HIGH); // GREEN ON
+    digitalWrite(LED1_PIN, LOW);  // RED OFF
     Serial.println("Water is DRINKABLE - GREEN LED ON");
   } else {
-    digitalWrite(LED2, LOW);  // GREEN OFF
-    digitalWrite(LED1, HIGH); // RED ON
+    digitalWrite(LED2_PIN, LOW);  // GREEN OFF
+    digitalWrite(LED1_PIN, HIGH); // RED ON
     Serial.println("Water is NOT DRINKABLE - RED LED ON");
   }