Diff: main.cpp

Revision:

0:a804a58b647b

Child:

1:8711db3189d0

diff -r 000000000000 -r a804a58b647b main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Mar 20 03:32:56 2018 +0000
@@ -0,0 +1,34 @@
+#include "mbed.h"
+#include "HCSR04.h"
+
+ Serial pc(USBTX,USBRX);     // Create a serial connection to pc through the mbed USB cable
+
+ void dist(int distance)
+{
+    //put code here to execute when the distance has changed
+    printf("Distance %d mm\r\n", distance);
+}
+
+HCSR04 sensor(D8,D9);
+DigitalOut Green(LED2);
+
+int main()
+{
+   wait_ms(4000);
+
+int echoVal = sensor.echo_duration();
+   Green = 1;
+   
+    while(1){
+    int a = sensor.echo_duration();
+    if (a - echoVal > 75 || echoVal - a > 75){
+        Green=0;
+        wait(.2);
+        Green=1;
+        wait(.2);
+    }
+    pc.printf("%d \n\r",a);
+    wait_ms(50);
+    }
+}
+