Revision 0:530d4c35d92a, committed 2018-12-09

Comitter:

marvas

Date:

Sun Dec 09 08:39:57 2018 +0000

Commit message:

By Mehmet Akif ARVAS Ultrasonic Sensor in Turkish

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hcsr04.cpp	Sun Dec 09 08:39:57 2018 +0000
@@ -0,0 +1,32 @@
+#include "hcsr04.h"
+#include "mbed.h"
+/*
+
+HCSR04 Ultrasonik sensör kullanýmý
+Mehmet Akif Arvas
+Herkese açýktýr. Telif hakký yoktur. :))
+*/
+HCSR04::HCSR04(PinName t, PinName e) : trig(t), echo(e) {}
+ int HCSR04::echo_sure() {
+        
+    timer.reset();  //reset timer
+    trig=0;   // trigger low 
+    wait_us(2); //  wait 
+    trig=1;   //  trigger high
+    wait_us(10);
+    trig=0;  // trigger low
+         while(!echo); // start pulseIN
+      timer.start();
+     while(echo);
+      timer.stop();
+     return timer.read_us(); 
+ 
+}
+ 
+//return distance in cm 
+int HCSR04::uzaklik(){
+    sure = echo_sure();
+ mesafe_cm = (sure/2)/29.1  ;
+        return mesafe_cm;
+
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hcsr04.h	Sun Dec 09 08:39:57 2018 +0000
@@ -0,0 +1,38 @@
+/* File: HCSR04.h
+Mehmet Akif Arvas
+*/
+#include "mbed.h"
+#include "hcsr04.h"
+
+//D12 TRIGGER D11 ECHO
+   HCSR04 sensor(D12, D11); 
+int main() {
+    while(1) {
+        
+     long distance = sensor.distance();   
+      printf("distanza  %d  \n",distance);
+      wait(1.0); // 1 sec  
+        
+    }
+}
+*/
+#ifndef hcsr04_H
+#define hcsr04_H
+#include "mbed.h"
+
+
+ 
+class HCSR04 {
+  public:
+    HCSR04(PinName t, PinName e);
+    int echo_sure();
+    int uzaklik();
+ 
+    private:
+        DigitalOut trig;
+        DigitalIn echo;
+        Timer timer;
+        int sure,mesafe_cm;
+};
+ 
+#endif
\ No newline at end of file