El-POM1001 / Mbed 2 deprecated El-pom-eksamen-h15-oppgave6

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Dependencies:   mbed

Files at this revision

API Documentation at this revision

Revision 0:a1f4a3967a12, committed 2016-02-20

Comitter:
madmonkeyman82
Date:
Sat Feb 20 21:54:38 2016 +0000
Commit message:
First

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 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Feb 20 21:54:38 2016 +0000
@@ -0,0 +1,74 @@
+#include "mbed.h"
+
+Timeout TrigOffTimeOut;
+Timer EchoTime;
+
+DigitalOut Led1(PA_8);
+DigitalOut Led2(PC_7);
+DigitalOut TRIG(PB_6);
+
+InterruptIn ECHO(PA_9);
+
+// Prototypes
+void StartTrig();
+void Echo_Rise();
+void Echo_Fall();
+void StopTrig();
+
+
+// Variables
+static int EchoTimeuS = 0;
+
+void Echo_Rise()
+{
+//Start timer
+EchoTime.start();
+}
+
+void Echo_Fall()
+{
+//Stop timer
+EchoTime.stop();
+//lagre echo tid i variabel
+EchoTimeuS = EchoTime.read_us();
+// Reset timer
+EchoTime.reset();
+
+//sett leds 
+if(EchoTimeuS <  638 && EchoTimeuS >  522){ Led1=1; }   else { Led1=0; }
+if(EchoTimeuS < 6380 && EchoTimeuS > 5220){ Led2=1; } else { Led2=0; }
+
+//restart trig sekvens
+StartTrig();
+}
+
+void StartTrig()
+{
+// Sett TRIG høy
+TRIG=1;
+//sett timeout for TRIG lav (10uS)
+TrigOffTimeOut.attach_us(&StopTrig, 10);
+}
+
+void StopTrig()
+{
+TRIG=0;
+}
+
+int main() {
+
+        Led1=0;
+        Led2=0;
+        TRIG=0;
+        
+        ECHO.rise(&Echo_Rise);
+        ECHO.fall(&Echo_Fall);
+        
+        //Start sekvens
+        StartTrig();
+        
+        while(1)
+        {
+        
+        }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sat Feb 20 21:54:38 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/252557024ec3
\ No newline at end of file