Revision 1:d4eec4fcc366, committed 2022-01-31

Comitter:

itbusch

Date:

Mon Jan 31 06:59:34 2022 +0000

Parent:

0:05bee2dd672d

Commit message:

020_LED_blink_wait_oszi

Changed in this revision

diff -r 05bee2dd672d -r d4eec4fcc366 Warten.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Warten.h	Mon Jan 31 06:59:34 2022 +0000
@@ -0,0 +1,11 @@
+
+ int a;                                 //WICHTIG: Deklarieren HIER!
+
+void Warten (void)                      //UP: Warten...
+{
+    for (int i = 0; i < 1000000; i++)   //ANNAHME: 1Takt = MZ: 32MhZ/32 MZ? => 1 ns * 10000000 => 1ms
+    {                                   // => tatsächluche Messung ~240 ms => 240*länger => Zyklen??... 
+             a = !a;                    // bei declaration Datentyp HIER => Compiler optmiert RAUS!
+    }
+}
+    
\ No newline at end of file

diff -r 05bee2dd672d -r d4eec4fcc366 main.cpp
--- a/main.cpp	Mon Jan 24 07:37:38 2022 +0000
+++ b/main.cpp	Mon Jan 31 06:59:34 2022 +0000
@@ -1,22 +1,21 @@
-/* mbed BuschA
- */
+/* mbed BuschA */
 
 #include "mbed.h"
-#include "wait.h"
+#include "Warten.h"
 
 //Initialisiere Ausgangspin und Variable
 DigitalOut Boardled(LED1);
-//DigitalOut Oszi(D3);
+DigitalOut Oszi(D3);                //Oszi-Pin zur Zeitmessung
 
-int main()
+int main()                          
 {
     while (true) 
     {
         Boardled = 1;
-        //Oszi = 1;
-        wait();                 //Warten
-        Boardled = 0;
-        //Oszi = 0;
-        wait();
+        Oszi = 1;                   //Oszi-Hilfs-Bit = HIGH
+        Warten();                   //UP-Aufruf: Warten
+        Boardled = 0;   
+        Oszi = 0;                   //Oszi-Hilfs-Bit = LOW
+        Warten();                   //UP-Aufruf: Warten
     }
 }
\ No newline at end of file

diff -r 05bee2dd672d -r d4eec4fcc366 mbed-os.lib
--- a/mbed-os.lib	Mon Jan 24 07:37:38 2022 +0000
+++ b/mbed-os.lib	Mon Jan 31 06:59:34 2022 +0000
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#cf4f12a123c05fcae83fc56d76442015cb8a39e9
+https://github.com/ARMmbed/mbed-os/#b1796dedeb8accde1cbaecf136fab96895e23d81

diff -r 05bee2dd672d -r d4eec4fcc366 wait.h
--- a/wait.h	Mon Jan 24 07:37:38 2022 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,17 +0,0 @@
-DigitalOut Oszi(D3);
-void wait (void)
-{
-    Oszi = 1;
-    for (int16_t i=0; i<= 5; i++)
-    {
-        for (int16_t x=0; x<= 5; x++)
-        {
-            for (int16_t y=0; y<= 5; y++)
-            {
-            int a = a;
-            }
-        }
-    }
-    Oszi = 0;
-}
-    
\ No newline at end of file