Diff: main.cpp

Revision:

0:a521da10b15a

Child:

1:b52588ac9aae

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jul 29 21:17:14 2015 +0000
@@ -0,0 +1,36 @@
+#include "mbed.h"
+
+
+DigitalIn sensorPin1(p5);
+// variables:   
+int counter = 0; // counter for the number of products passing through 
+int sensorState1 = 0;    // current state of the sensor   
+int lastSensorState1 = 0;  // previous state of the sensor 
+
+// initialize serial communication:   
+Serial pc(USBTX, USBRX);
+
+DigitalOut myled(LED1);
+
+
+
+int main() {
+    while(1)
+    {
+        sensorState1 = sensorPin1; // read the pushbutton input pin:   
+                 
+        if (sensorState1 != lastSensorState1) // compare the buttonState to its previous state
+        {
+            // if the state has changed, check to see if it is a change from high to low or low to high             
+            if (sensorState1 == 1){ // if the current state is HIGH then increment the counter   
+                counter++;
+                pc.printf("%f",counter);
+            }
+            
+            else { // if the current state is LOW then the button       
+                pc.printf("%f",counter);
+            }
+        }
+        lastSensorState1 = sensorState1;
+    }
+}