Revision 1:874889ddde0e, committed 2015-12-03

Comitter:

dpredavec

Date:

Thu Dec 03 18:38:22 2015 +0000

Parent:

0:ea4e3eefa035

Commit message:

Sinus funkcija - Predavec

Changed in this revision

--- a/main.cpp	Thu Dec 03 18:05:15 2015 +0000
+++ b/main.cpp	Thu Dec 03 18:38:22 2015 +0000
@@ -1,49 +1,16 @@
-#include "mbed.h" // Predavec - VU LED vjezba
-Serial pc(USBTX, USBRX);
-AnalogIn Ain(p20);
-
-DigitalOut led1(LED1);
-DigitalOut led2(LED2);
-DigitalOut led3(LED3);
-DigitalOut led4(LED4);
-
-float ADCdata;
-
-int main() {
-    pc.printf("ADC Data Values... \n\r");
-    while (1) {
-    ADCdata=Ain;
-    pc.printf("%f \n\r",ADCdata);
-    if (Ain <= 0.2){
-        led1 = 0;
-        led2 = 0;
-        led3 = 0;
-        led4 = 0;
-            }
-    if ((Ain>0.2)&&(Ain<=0.4)){
-        led1 = 1;
-        led2 = 0;
-        led3 = 0;
-        led4 = 0;
-            }
-    if ((Ain>0.4)&&(Ain<=0.6)){
-        led1 = 1;
-        led2 = 1;
-        led3 = 0;
-        led4 = 0;
-            }
-    if ((Ain>0.6)&&(Ain<=0.8)){
-        led1 = 1;
-        led2 = 1;
-        led3 = 1;
-        led4 = 0;
-            }
-    if ((Ain>0.8)&&(Ain<=1.0)){
-        led1 = 1;
-        led2 = 1;
-        led3 = 1;
-        led4 = 1;
-            }
-    wait (0.01);
-        }
-}
+#include "mbed.h" // Predavec - sinus funkcija 
+#define PI 3.14159265359
+#define PPI 2*PI
+Ticker TS;
+AnalogOut DA18(p18);
+float y, f=50, kut = 0;
+int T=50;
+void sinus () {
+    y = 0.5*sin(kut) + 0.5;                 // generiranje funkcije sinus
+    DA18.write(y);                          // slanje funkcije na izlaz
+    kut += PPI * f * T * 1e-6;      
+    if (kut > PPI) { kut = kut - PPI; }
+    }
+int main () {
+    TS.attach_us(&sinus,T); 
+    }