revert2

Author: Jason2866

cores/esp32/HardwareSerial.h

@@ -59,7 +59,7 @@ class HardwareSerial: public Stream
 
     // onReceive will setup a callback for whenever UART data is received
     // it will work as UART Rx interrupt 
-    void onReceive(void(*function)(void));
+    //void onReceive(void(*function)(void));
 
     void begin(unsigned long baud, uint32_t config=SERIAL_8N1, int8_t rxPin=-1, int8_t txPin=-1, bool invert=false, unsigned long timeout_ms = 20000UL, uint8_t rxfifo_full_thrhd = 112);
     void end(bool turnOffDebug = true);