From: Tomas Nepivoda <nepivtom@fel.cvut.cz>
Date: Sun, 15 May 2016 21:11:11 +0000 (+0200)
Subject: Added thread priority changing, renamed
X-Git-Url: http://rtime.felk.cvut.cz/gitweb/fpga/zynq/mzed-dc-control-sw.git/commitdiff_plain/70ce7bc99035a5157c3999a3a3d8ecc66fa7bfa8?ds=sidebyside

Added thread priority changing, renamed
---

diff --git a/src/irc_test/irc.c b/src/irc_test/irc_rt.c
similarity index 50%
rename from src/irc_test/irc.c
rename to src/irc_test/irc_rt.c
index 881b7f7..26ae63f 100644
--- a/src/irc_test/irc.c
+++ b/src/irc_test/irc_rt.c
@@ -3,16 +3,43 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <poll.h>
+#include <time.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdint.h>
+#include <sys/mman.h>
+#include <pthread.h>
+#include <signal.h>
+
+int base_task_prio;
 
 void main(){
 	int i;
 	struct pollfd pfd;
-	char array[10000][2];
+	char array[50000][2];
 	char tmp[1];
+	char a[2];
+	char b[2];
 
-	char a[2];¨
+	pthread_attr_t attr;
+	struct sched_param schparam;
+    	if (pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED) != 0) {
+        	fprintf(stderr, "pthread_attr_setinheritsched failed\n");
+    	}
 
-	char b[2];
+    	if (pthread_attr_setschedpolicy(&attr, SCHED_FIFO) != 0) {
+        	fprintf(stderr, "pthread_attr_setschedpolicy SCHED_FIFO failed\n");
+    	}
+
+    	int fifo_min_prio = sched_get_priority_min(SCHED_FIFO);
+    	int fifo_max_prio = sched_get_priority_max(SCHED_FIFO);
+    	base_task_prio = fifo_max_prio - 20;
+    	if (base_task_prio < fifo_min_prio){
+        	base_task_prio = fifo_min_prio;
+	}
+
+	schparam.sched_priority = base_task_prio;
 
 	int irc_A, irc_B, irc_IRQ;
 	irc_A = open("/sys/class/gpio/gpio917/value", O_RDONLY);
@@ -24,7 +51,7 @@ void main(){
 	if(irc_IRQ < 0){
 		printf("IRC_IRQ export failed!");
 	}
-	for(i=0;i<10000;i++){		
+	for(i=0;i<50000;i++){		
 		lseek(irc_IRQ, 0, SEEK_SET);
 		read(irc_IRQ, tmp,1);
 
@@ -40,7 +67,7 @@ void main(){
 	close(irc_IRQ);
 
 	//printf("                                 flag\n");
-	for(i=0;i<10000;i++){
+	for(i=0;i<50000;i++){
 		printf("%c ", array[i][0]);
 		printf("%c\n", array[i][1]);
 	}