Revision 15:c8360ceaad61, committed 2017-10-16

Comitter:

bdragon52

Date:

Mon Oct 16 02:23:52 2017 +0000

Parent:

14:cc2e4fbaffd8

Child:

16:61e88b0e3689

Commit message:

semaphore

Changed in this revision

--- a/main.cpp	Mon Oct 09 21:04:05 2017 +0000
+++ b/main.cpp	Mon Oct 16 02:23:52 2017 +0000
@@ -16,15 +16,17 @@
 PwmOut red(p23);
 PwmOut blue(p21);
 PwmOut green(p22);
-
+    Thread *(test);
 PwmOut myled(LED1);
 uLCD_4DGL uLCD(p28,p27,p30);
-Mutex ourMutex;
+Semaphore three_slots(1);
 Thread thread2;
 Thread thread3;
 Thread thread4;
 Thread thread5;
 Thread thread6;
+
+
  float y=0.0;
  int c=80;
  int d=1;
@@ -44,13 +46,13 @@
        int a=20;
        int r=8;
        
-       ourMutex.lock();
+      three_slots.wait();
        uLCD.background_color(BLACK);
        uLCD.cls();
        uLCD.filled_circle(a, 105-(y*80), r, BLUE);
        uLCD.line(3,25,13,25,RED);
        uLCD.line(3,105,13,105,RED);
-       ourMutex.unlock();
+     
       
        //while(b<100){
          //  uLCD.filled_circle(a, b, r, BLUE);
@@ -67,9 +69,9 @@
            //Thread::wait(1000.0*0.002);
           // }
        
-       
-        Thread::wait(1000.0*0.02);
-        
+        three_slots.release();  
+        Thread::wait(50);
+          
     }
 }
  
@@ -97,7 +99,7 @@
 void t4() {
     while (true) {
           
-        ourMutex.lock();
+        three_slots.wait();
         
         if(c==70){
             d=20;
@@ -116,8 +118,9 @@
         Thread::wait(50);
         uLCD.filled_circle(c, 64 , 10, BLACK);
         
-        ourMutex.unlock();
+            three_slots.release(); 
         Thread::wait(50);
+      
     }
 }
  
@@ -131,7 +134,7 @@
     
          
          if(blues.readable()==1){
-             ourMutex.lock();
+             three_slots.wait();
          if (blues.getc()=='!') {
             if (blues.getc()=='B') { //button data
                 bnum = blues.getc(); //button number
@@ -199,15 +202,16 @@
                 }//end of if bnum 1 -8
              }//end of if getc B      
         }//end of if getc !
-        
+         three_slots.release(); 
         }// end of if readable
-        
+        Thread::yield();
         
         
     
-    ourMutex.unlock();
+    
     
     Thread::wait(50);
+   
     }// end of while loop
     
     }
@@ -216,10 +220,15 @@
 
  
 int main() {
-    thread2.start(t2);
+    thread2.start((t2));
     thread3.start(t3);
-    thread4.start(t4);
-    thread5.start(t5);
+    thread4.start((t4));
+    thread5.start((t5));
+
+    test = &thread4;
+    test->set_priority(osPriorityHigh);
+    
+    
     
     previousButton = '0';