Yeswanth Sai Athaluri
Vehicle Detection
Diff: main.cpp
- Revision:
- 0:a804a58b647b
- Child:
- 1:8711db3189d0
--- /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);
+ }
+}
+