Diff: main.cpp

Revision:

3:4d6471745b1a

Parent:

0:4860a91fb495

--- a/main.cpp	Wed Jun 07 13:22:25 2017 +0000
+++ b/main.cpp	Fri Nov 22 14:26:08 2019 +0000
@@ -1,18 +1,27 @@
-#include "mbed.h"
+/* ************************************************************************ */
+/* ******************** Projekt: BuNuc_pwm1 ******************************* */
+/* *****  Abteilung Elektronik und Technische Informatik / Humer ********** */
+/* ***** BULME GRAZ, Ansteuerung einer LED mit einem PWM-Signal *********** */
+/* ************************************************************************ */
 
-PwmOut mypwm(PWM_OUT);
+#include "mbed.h"
+/* ******** Definitionen ************************************************** */
+PwmOut mitzi(D1);                 // Portleitung D1 = PWM_OUT
 
-DigitalOut myled(LED1);
+/* ******** Variablendefinitionen ***************************************** */
+float duty;
 
-int main() {
-    
-    mypwm.period_ms(10);
-    mypwm.pulsewidth_ms(1);
-  
-    printf("pwm set to %.2f %%\n", mypwm.read() * 100);
-    
-    while(1) {
-        myled = !myled;
-        wait(1);
-    }
-}
+/* ************** Hauptprogramm   ***************************************** */
+int main()                         // Hauptprogramm
+{
+        mitzi.period(0.02);        // 20msec period
+        
+    while(1)
+    { 
+        mitzi = duty;             // Erhöhe um 5%
+        duty += 0.05;
+        wait(0.2);
+        if(mitzi==1) duty=0;
+    }                               // end while   
+}   //end main
+