betterDebugLogV2.ino

// Comment the following line to disable DEBUG log
#define __DEBUG__

#ifdef __DEBUG__
// You should only uncomment 1 version at a time!
// Version 1
//#define DEBUG(...) Serial.println(__VA_ARGS__)
// Version 2
#define DEBUG(...) Serial.println(__VA_ARGS__); \
                   Serial.print(" @ [SRC]:      "); \
                   Serial.println(__FILE__); \
                   Serial.print(" @ [LINE]:     "); \
                   Serial.println(__LINE__); \
                   Serial.print(" @ [FUNCTION]: "); \
                   Serial.println(__func__); 
#else
// else DEBUG is diabled
#define DEBUG(...)
#endif


void setup() {
  Serial.begin(115200);
  DEBUG("--Debug starts--");
}

void loop() {
  DEBUG("++Debug #1++");
  delay(1000);
  
  DEBUG("==Debug #2==");
  delay(1000);
}