#include<stdio.h>
#include<stdlib.h>


void myPrint(char* fnName,unsigned int result);

extern "C"{
  unsigned int my_asm_fn(void);
}

void setup() {
  Serial1.begin(9600);
  pinMode(LED_BUILTIN , OUTPUT);
}
void loop() {
   unsigned int asm_ret_val;

   asm_ret_val=my_asm_fn();
   myPrint("my_asm_fn",asm_ret_val);

   digitalWrite(LED_BUILTIN,HIGH);
   delay(1000);
   digitalWrite(LED_BUILTIN,LOW);
   delay(1000);
}

void myPrint(char* fnName, unsigned int printVal){
  Serial1.print("The value entered from assembly function");
  Serial1.print(fnName);
  Serial1.print(" : ");
  Serial1.println(printVal);

  Serial1.print("The value returned from the assembly fn ");
  Serial1.print(fnName);
  Serial1.print(" in Hex: 0x"); Serial.println(printVal, HEX); 
}