21 #include <sys/ioctl.h>

    21 #include <sys/ioctl.h>

    22 #include <signal.h>

    22 #include <signal.h>

    23 

    23 

    24 #include "me8100.h"

    24 #include "me8100.h"

    25 

    25 

    26 int main(void){

    28 int main(void){

    27   int err = 0;

    29   int err = 0;

    28   static int file_handle = -1;

    30   static int file_handle = -1;

    29 

    31 

    30   unsigned short value_a;

    32   unsigned short value_a;

    31 

    33 

    32   printf("Read test, PID: %d\n", getpid());

    34   printf("Read test, PID: %d\n", getpid());

    33   file_handle = open("/dev/me8100_0a", O_RDONLY, 0);

    38   file_handle = open("/dev/me8100_0a", O_RDONLY, 0);

    34 

    39 

    35   if(file_handle < 0){

    40   if(file_handle < 0){

    36     printf("Cannot open path !\n");

    41     printf("Cannot open path !\n");

    37     return 1;

    42     return 1;

    38   }

    43   }

    39 

    44 

    40   for (;;) {

    45   for (;;) {

    41     ioctl(file_handle, ME8100_READ_DI_A, &value_a);

    49     ioctl(file_handle, ME8100_READ_DI_A, &value_a);

    42     printf("Read  %04x\n", value_a);

    51     printf("Read  %04x\n", value_a);

    43     sleep(1);

    52     sleep(1);

    44   }

    53   }

    45 

    54 

    46   err = close(file_handle);

    55   err = close(file_handle);