From b915b98a3430a5af46e1044a5215e5c8238d9464 Mon Sep 17 00:00:00 2001
From: Mart Lubbers <mart@martlubbers.net>
Date: Fri, 9 Oct 2015 11:29:29 +0200
Subject: [PATCH] update ex11

---
 mart/ex11/ex11.c | 108 +++++++++++++++++++++++------------------------
 1 file changed, 54 insertions(+), 54 deletions(-)

diff --git a/mart/ex11/ex11.c b/mart/ex11/ex11.c
index 520777a..0dbd214 100644
--- a/mart/ex11/ex11.c
+++ b/mart/ex11/ex11.c
@@ -19,41 +19,41 @@ RTIME ticks[TICKS+1];
 RTIME tocks[TICKS+1];
 
 unsigned char data[MAXX] = {
-  1, 2, 4, 8, 16, 32, 64, 128, 256,
-  1, 2, 4, 8, 16, 32, 64, 128, 256
+	1, 2, 4, 8, 16, 32, 64, 128, 256,
+	1, 2, 4, 8, 16, 32, 64, 128, 256
 };
 
 void add_tick(RTIME *t, RTIME tnew)
 {
-  unsigned int i = 0;
-  t[TICKS] = 0;
-  for(i=TICKS-1; i>0; i--){
-    t[i] = t[i-1];
-    t[TICKS] += t[i];
-  }
-  t[0] = tnew;
-  t[TICKS] = t[TICKS]/TICKS;
+	unsigned int i = 0;
+	t[TICKS] = 0;
+	for(i=TICKS-1; i>0; i--){
+		t[i] = t[i-1];
+		t[TICKS] += t[i];
+	}
+	t[0] = tnew;
+	t[TICKS] = t[TICKS]/TICKS;
 }
 
 void taskd(void *arg)
 {
-  RTIME time = *(RTIME *)arg;
-  RTIME step = time/(2*MAXX+2);
-  unsigned int i;
+	RTIME time = *(RTIME *)arg;
+	RTIME step = time/(2*MAXX+2);
+	unsigned int i;
 
-  //To the right
+	//To the right
 	outb(0x00, 0x378);
-  rt_task_sleep(step*2);
-  for(i=0; i<MAXX; i++){
-	  outb(data[i], 0x378);
-    rt_task_sleep(step/2);
-    outb(0x00, 0x378);
-    rt_task_sleep(step/2);
-  }
-  rt_task_sleep(step);
+	rt_task_sleep(step*2);
+	for(i=0; i<MAXX; i++){
+		outb(data[i], 0x378);
+		rt_task_sleep(step/2);
+		outb(0x00, 0x378);
+		rt_task_sleep(step/2);
+	}
+	rt_task_sleep(step);
 	outb(0x00, 0x378);
 
-  //rt_printf("Every x has %.2fms\n", step/1000/1000.0);
+	//rt_printf("Every x has %.2fms\n", step/1000/1000.0);
 }
 
 void taski(void *arg)
@@ -61,43 +61,43 @@ void taski(void *arg)
 	//Register as interrupt handler
 	RT_INTR intr;
 	rt_intr_create(&intr, NULL, LPT1IRQ, 0);
-  rt_printf("Interrupt created\n");
+	rt_printf("Interrupt created\n");
 
-  //Initialize and declare the timer variables
+	//Initialize and declare the timer variables
 	RTIME tick = rt_timer_read();
-  RTIME tock;
-  RTIME period;
+	RTIME tock;
+	RTIME period;
 	while(1){
-    tock = rt_timer_read();
-    add_tick(ticks, tock-tick);
-
-    // Tocks waiting period
-    if(tocks[TICKS] < ticks[TICKS]){
-      // sleep until the arm is most left
-      rt_task_sleep(tocks[TICKS]/2);
-	    rt_task_create(&drawtask, NULL, 0, 50, 0);
-      period = ticks[TICKS]+tocks[TICKS];
-	    rt_task_start(&drawtask, &taskd, &period);
-      rt_printf("tocks is the short stretch\n");
-    }
+		tock = rt_timer_read();
+		add_tick(ticks, tock-tick);
+
+		// Tocks waiting period
+		if(tocks[TICKS] < ticks[TICKS]){
+			// sleep until the arm is most left
+			rt_task_sleep(tocks[TICKS]/2);
+			rt_task_create(&drawtask, NULL, 0, 50, 0);
+			period = ticks[TICKS]+tocks[TICKS];
+			rt_task_start(&drawtask, &taskd, &period);
+			rt_printf("tocks is the short stretch\n");
+		}
 		rt_intr_wait(&intr, TM_INFINITE);
 
-    //Tick waiting period
-    tick = rt_timer_read();
-    add_tick(tocks, tick-tock);
-
-    if(ticks[TICKS] < tocks[TICKS]){
-      // sleep until the arm is most left
-      rt_task_sleep(ticks[TICKS]/2);
-	    rt_task_create(&drawtask, NULL, 0, 50, 0);
-      period = ticks[TICKS]+tocks[TICKS];
-	    rt_task_start(&drawtask, &taskd, &period);
-      rt_printf("ticks is the short stretch\n");
-    }
+		//Tick waiting period
+		tick = rt_timer_read();
+		add_tick(tocks, tick-tock);
+
+		if(ticks[TICKS] < tocks[TICKS]){
+			// sleep until the arm is most left
+			rt_task_sleep(ticks[TICKS]/2);
+			rt_task_create(&drawtask, NULL, 0, 50, 0);
+			period = ticks[TICKS]+tocks[TICKS];
+			rt_task_start(&drawtask, &taskd, &period);
+			rt_printf("ticks is the short stretch\n");
+		}
 		rt_intr_wait(&intr, TM_INFINITE);
-    //Print average
-    //rt_printf("avgtick: %lluns, avgtock: %lluns, avgticktock: %lluns\n",
-    //    ticks[TICKS], tocks[TICKS], (ticks[TICKS]+tocks[TICKS])/2);
+		//Print average
+		//rt_printf("avgtick: %lluns, avgtock: %lluns, avgticktock: %lluns\n",
+		//		ticks[TICKS], tocks[TICKS], (ticks[TICKS]+tocks[TICKS])/2);
 	}
 }
 
-- 
2.20.1