Disable Serial.println()

Author: arn0

CMakeLists.txt

@@ -1,4 +1,5 @@
 set(CORE_SRCS
+  cores/esp32/dummySerial.cpp
   cores/esp32/Print.cpp
   cores/esp32/stdlib_noniso.c
   cores/esp32/Stream.cpp

cores/esp32/Arduino.h

@@ -48,6 +48,7 @@
 #include "esp_timer.h"
 
 #define millis() (esp_timer_get_time() / 1000ULL)
+#define micros64() (esp_timer_get_time())
 
 #define PI 3.1415926535897932384626433832795
 #define HALF_PI 1.5707963267948966192313216916398
@@ -146,6 +147,15 @@ typedef unsigned int word;
 void setup(void);
 void loop(void);
 
+class dummySerial{
+public:
+	virtual void println(const char *);
+};
+
+extern dummySerial dSerial;
+
+#define Serial dSerial
+
 // The default is using Real Hardware random number generator  
 // But when randomSeed() is called, it turns to Psedo random
 // generator, exactly as done in Arduino mainstream

cores/esp32/dummySerial.cpp

@@ -0,0 +1,9 @@
+//  Dummy class to disable Arnduino Serial.println
+//  Add other Serial. members if needed
+
+
+#include <Arduino.h>
+
+void dummySerial::println(const char * c) {}
+
+dummySerial dSerial;