jakob hz / Mbed 2 deprecated HC-SR04-2410

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Dependencies:   mbed HCSR04 AutomationElements

Files at this revision

API Documentation at this revision

Revision 7:667133e8fb42, committed 2020-12-15

Comitter:
jakobhz
Date:
Tue Dec 15 18:14:00 2020 +0000
Parent:
6:bca0839e8295
Commit message:
ultrasonic sensor alarm system

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
diff -r bca0839e8295 -r 667133e8fb42 main.cpp
--- a/main.cpp	Sat Dec 10 08:28:06 2016 +0000
+++ b/main.cpp	Tue Dec 15 18:14:00 2020 +0000
@@ -2,8 +2,11 @@
 #include "HCSR04.h"
 #include "AutomationElements.h"
 
+DigitalIn  mypin(D4);
+PwmOut Buzzer(D5);
+DigitalOut myled(D7);
 Serial pc(USBTX, USBRX);
-HCSR04 sensor(p5, p7);
+HCSR04 sensor(D8, D9);
 float sampleTime = 0.5;
 PT1 filter(1, 2, sampleTime);
 Ticker ticker;
@@ -23,9 +26,19 @@
         while(!sensor.isNewDataReady()) {
         // wait for new data
         }
-        distance = sensor.getDistance_cm();
+        float distance = sensor.getDistance_cm();
         filter.in(distance);
         filteredDistance = filter.out();
         pc.printf("%7.1f cm  %7.1f cm\n\r", distance, filteredDistance);
+        
+        if(distance<10 && mypin == 1){
+            pc.printf("intruder alert");
+            myled = 1;
+            Buzzer = 1;
+        }
+        else{
+            myled = 0;
+            Buzzer = 0;
+        }
     }
 }
\ No newline at end of file

diff -r bca0839e8295 -r 667133e8fb42 mbed.bld
--- a/mbed.bld	Sat Dec 10 08:28:06 2016 +0000
+++ b/mbed.bld	Tue Dec 15 18:14:00 2020 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/9296ab0bfc11
\ No newline at end of file
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file