Added ex 10d

diff --git a/natanael/ex10/Makefile b/natanael/ex10/Makefile
index 1e36d5a..794362e 100644 (file)
--- a/natanael/ex10/Makefile
+++ b/natanael/ex10/Makefile
@@ -1,7 +1,7 @@
 ###### CONFIGURATION ######
 
 ### List of applications to be build
-APPLICATIONS = ex10a ex10d
+APPLICATIONS = ex10a ex10d1 ex10d2
 
 ### Note: to override the search path for the xeno-config script, use "make XENO=..."
 

diff --git a/natanael/ex10/ex10d1.c b/natanael/ex10/ex10d1.c
new file mode 100644 (file)
index 0000000..0b699ba
--- /dev/null
+++ b/natanael/ex10/ex10d1.c
@@ -0,0 +1,112 @@
+#include <stdio.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <native/intr.h>
+#include <sys/io.h>
+#include <native/task.h>
+
+const RTIME period = 100000;
+const int nsamples = 10000;
+       
+RT_TASK task;
+RTIME write_time;
+RTIME time_diff[10000];
+
+RT_INTR intr;
+#define PARPORT_IRQ 7
+unsigned char byte;
+
+void enable_interupt()
+{
+    ioperm(0x37A, 1, 1);
+    byte = inb(0x37A);
+    byte = byte | 0x10; /* hex 10 = 00010000 */
+    outb(byte, 0x37A);
+
+       // enable port D0
+       ioperm(0x378, 1, 1);
+    byte = inb(0x378);
+    byte = byte | 0x10; /* hex 10 = 00010000 */
+    outb(byte, 0x378);
+}
+
+void disable_interupt()
+{
+    byte = inb(0x37A);
+    byte = byte & 0xEF; /* hex EF = binary 11101111 */
+    outb(byte, 0x37A);
+}
+
+void write_RTIMES(char * filename, unsigned int number_of_values,
+                  RTIME *time_values){
+       unsigned int n=0;
+       FILE *file;
+       file = fopen(filename,"w");
+       while (n<number_of_values) {
+         fprintf(file,"%u,%llu\n",n,time_values[n]);  
+         n++;
+       }
+       fclose(file);
+       rt_printf("File saved\n");
+ }
+
+void send_parallel_port_intrp()
+{
+       outb(inb(0x378) & 0xEF, 0x378);
+       outb(inb(0x378) | 0x10, 0x378); /* enable interrupt */
+}
+
+void do_task(void *arg)
+{
+       int i;
+       
+       rt_task_set_periodic(NULL, TM_NOW, period);
+       
+       for(i=0; i<nsamples; i++)
+       {
+               write_time = rt_timer_read();
+               
+               send_parallel_port_intrp();
+               
+               rt_intr_wait(&intr,TM_INFINITE);
+               
+               time_diff[i] = rt_timer_read() - write_time;
+               
+               rt_task_wait_period(NULL);
+       }
+       write_RTIMES("time_diff_d.csv",nsamples,time_diff);
+}
+
+//startup code
+void startup()
+{
+       rt_intr_create(&intr, NULL, PARPORT_IRQ, I_PROPAGATE);
+    enable_interupt();
+       
+       rt_task_create(&task, NULL,0,50,0);
+       rt_task_start(&task, &do_task, NULL);
+}
+
+void init_xenomai() {
+  /* Avoids memory swapping for this program */
+  mlockall(MCL_CURRENT|MCL_FUTURE);
+
+  /* Perform auto-init of rt_print buffers if the task doesn't do so */
+  rt_print_auto_init(1);
+}
+int main(int argc, char* argv[])
+{
+  printf("\nType CTRL-C to end this program\n\n" );
+
+  // code to set things to run xenomai
+  init_xenomai();
+
+  //startup code
+  startup();
+
+  // wait for CTRL-c is typed to end the program
+  pause();
+  
+  disable_interupt();
+}
\ No newline at end of file

diff --git a/natanael/ex10/ex10d2.c b/natanael/ex10/ex10d2.c
new file mode 100644 (file)
index 0000000..c24cde4
--- /dev/null
+++ b/natanael/ex10/ex10d2.c
@@ -0,0 +1,88 @@
+#include <stdio.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <native/intr.h>
+#include <sys/io.h>
+#include <native/task.h>
+
+const RTIME period = 100000;
+const int nsamples = 10000;
+       
+RT_TASK task;
+RTIME write_time;
+
+RT_INTR intr;
+#define PARPORT_IRQ 7
+unsigned char byte;
+
+void enable_interupt()
+{
+    ioperm(0x37A, 1, 1);
+    byte = inb(0x37A);
+    byte = byte | 0x10; /* hex 10 = 00010000 */
+    outb(byte, 0x37A);
+
+       // enable port D0
+       ioperm(0x378, 1, 1);
+    byte = inb(0x378);
+    byte = byte | 0x10; /* hex 10 = 00010000 */
+    outb(byte, 0x378);
+}
+
+void disable_interupt()
+{
+    byte = inb(0x37A);
+    byte = byte & 0xEF; /* hex EF = binary 11101111 */
+    outb(byte, 0x37A);
+}
+
+void send_parallel_port_intrp()
+{
+       outb(inb(0x378) & 0xEF, 0x378);
+       outb(inb(0x378) | 0x10, 0x378); /* enable interrupt */
+}
+
+void do_task(void *arg)
+{
+       for(;;)
+       {
+               send_parallel_port_intrp();
+               
+               rt_intr_wait(&intr,TM_INFINITE);
+       }
+}
+
+//startup code
+void startup()
+{
+       rt_intr_create(&intr, NULL, PARPORT_IRQ, I_PROPAGATE);
+    enable_interupt();
+       
+       rt_task_create(&task, NULL,0,50,0);
+       rt_task_start(&task, &do_task, NULL);
+}
+
+void init_xenomai() {
+  /* Avoids memory swapping for this program */
+  mlockall(MCL_CURRENT|MCL_FUTURE);
+
+  /* Perform auto-init of rt_print buffers if the task doesn't do so */
+  rt_print_auto_init(1);
+}
+
+int main(int argc, char* argv[])
+{
+  printf("\nType CTRL-C to end this program\n\n" );
+
+  // code to set things to run xenomai
+  init_xenomai();
+
+  //startup code
+  startup();
+
+  // wait for CTRL-c is typed to end the program
+  pause();
+  
+  disable_interupt();
+}
\ No newline at end of file