Oliver Ainhirn / Mbed OS 82_Thread_HSA_Mutex

MUTEX_Display

Dependencies:   C12832

Files at this revision

API Documentation at this revision

Revision 1:98ffcc251be8, committed 2019-03-21

Comitter:
corsa1600
Date:
Thu Mar 21 18:13:40 2019 +0000
Parent:
0:ac644277eadb
Commit message:
Mutex

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r ac644277eadb -r 98ffcc251be8 main.cpp
--- a/main.cpp	Thu Mar 21 16:53:36 2019 +0000
+++ b/main.cpp	Thu Mar 21 18:13:40 2019 +0000
@@ -57,6 +57,9 @@
 Rgb Led1(p23);
 Rgb Led2(p24);
 Rgb Led3(p25);
+
+
+Mutex LCDMutex; // hier wird der Mutex instanziiert
  
 //void Led1_Blink(void *pvParameters)
 void Led1_Blink()       // red long
@@ -69,7 +72,8 @@
        for(int i = 0; i < 10; i++) {        // randomnes
           wait_ms(xDelay);
        }
- 
+ // kritischer abschnitt!!! dieser soll mit Mutex behandelt werden
+ LCDMutex.lock();// Mutex beginnt
        {
            lcd.cls();
            lcd.locate(0,3);
@@ -82,6 +86,7 @@
            Delay_Nonsense(&BlueDelay, &TargetCount);
            wait_ms(xDelay);
        }
+       LCDMutex.unlock(); // Mutex endet
    }
 }
  
@@ -95,6 +100,7 @@
        for(int i = 0; i < 10; i++) {     // randomnes
           wait_ms(xDelay);
        }
+       LCDMutex.lock();// Mutex beginnt
        {
            lcd.cls();
            lcd.locate(0,3);
@@ -107,6 +113,7 @@
            Delay_Nonsense(&BlueDelay, &TargetCount);
            wait_ms(xDelay);
        }
+        LCDMutex.unlock(); // Mutex endet
    }
 }
  
@@ -120,6 +127,7 @@
        for(int i = 0; i < 10; i++) {     // randomnes
           wait_ms(xDelay);
        }
+       LCDMutex.lock();// Mutex beginnt
        {
            lcd.cls();
            lcd.locate(0,3);
@@ -133,6 +141,7 @@
            Delay_Nonsense(&BlueDelay, &TargetCount);
            wait_ms(xDelay);
        }
+     LCDMutex.unlock(); // Mutex endet
    }
 }