ioctl done

ioctl/ioctl_app.c

@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include "ioctl_const.h"
+
+int main(){
+
+    int fd;
+    int32_t value , number;
+    
+    printf("\nOpening Driver\n");
+    fd = open("/dev/demo_ioctl_device", O_RDWR);
+    if( fd < 0 ){
+        printf("Cannot open device file...\n");
+        return 0;
+    }
+
+    printf("Enter the Value to send\n");
+    scanf("%d", &number);
+    printf("Writing Value to Driver\n");
+    ioctl(fd, WR_VALUE, (int32_t*) &number);
+
+    printf("Reading Value from Driver\n");
+    ioctl(fd, RD_VALUE, (int32_t*) &value);
+    printf("Value is %d\n", value);
+
+    printf("Closing Driver\n");
+    close(fd); 
+    return 0;
+}