just reformat the source...

src/main.cpp

@@ -1,34 +1,36 @@
 #include <Arduino.h>
 
-void setup() {
+void setup()
+{
   pinMode(LED_BUILTIN, OUTPUT);
   pinMode(PIN0, OUTPUT);
 
   digitalWrite(PIN0, HIGH);
 
-  int i=30;
+  int i = 30;
-  while (i-->0)
+  while (i-- > 0)
   {
-  digitalWrite(LED_BUILTIN, HIGH);
+    digitalWrite(LED_BUILTIN, HIGH);
-  delay(500);  
+    delay(500);
-  digitalWrite(LED_BUILTIN, LOW);
+    digitalWrite(LED_BUILTIN, LOW);
-  delay(500);    
+    delay(500);
   }
 
   digitalWrite(PIN0, LOW);
 
-  i=25;
+  i = 25;
-  while (i-->0)
+  while (i-- > 0)
   {
-  digitalWrite(LED_BUILTIN, HIGH);
+    digitalWrite(LED_BUILTIN, HIGH);
-  delay(100);  /* code */
+    delay(100); /* code */
-  digitalWrite(LED_BUILTIN, LOW);  
+    digitalWrite(LED_BUILTIN, LOW);
-  delay(100);  
+    delay(100);
   }
 
   digitalWrite(PIN0, HIGH);
 }
 
-void loop() {
+void loop()
+{
   delay(1000);
 }