Help me please

Dependencies:   mbed HCSR04

Revision:
0:b78e02ab7cde
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jan 15 17:17:21 2020 +0000
@@ -0,0 +1,30 @@
+#include "mbed.h"
+#include "hcsr04.h"
+#include <LiquidCrystal_I2C.h>
+ 
+// Set the LCD address to 0x27 for a 16 chars and 2 line display
+LiquidCrystal_I2C lcd(0x4E, 16, 2);
+
+
+
+//D9 TRIGGER D8 ECHO
+   HCSR04 sensor(D8, D9); 
+   
+   
+int main() {
+  lcd.begin();
+  lcd.backlight();
+  lcd.print("    Ultrasonic");
+ 
+  //lcd.print("Distance = ",distance);    //show on lcd 16x2
+ 
+  
+  while(1) {      
+      int x = sensor.distance();   
+      printf("distance  %d  \n\r",x); //Test in Tera
+      wait(1.0); // 1 sec  
+      lcd.setCursor(0,1);
+      lcd.print(" Ultrasonic",&x);
+        
+    }
+}
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