WebSVN - Projects - Diff - Rev 140 and 483

 #include "evdev_handler.h"
+#include "config.h"
-int evdev_fd;
 int evdev_out_fd;
 int retval;
 size_t read_bytes;  /* how many bytes were read */
 struct input_event ev[64]; /* the events (up to 64 at once) */
 struct input_event led_event;
-int  *evdev_rel_axis=NULL;
-char *evdev_button=NULL;
+int counter;
-int counter;
 int evdevs_count=0;
-int connect_evdev(char* input_evdev_name)
-{
-  evdev_rel_axis = (int *) calloc( 100, sizeof( int ) );
+int file_select(struct direct   *entry)
-  evdev_button = (char *)calloc( 100, sizeof( char ) );
+{
-  struct input_devinfo {
-    uint16_t bustype;
+  if ((strncmp(entry->d_name, "event",5))==0)
-    uint16_t vendor;
+    return (TRUE);
-    uint16_t product;
+  else
-    uint16_t version;
+    return(FALSE);
   };
-  struct input_devinfo device_info;
-  if ((evdev_out_fd = open(input_evdev_name, O_WRONLY)) < 0)
-    {
-      printf(" cant open %s for writing\n",input_evdev_name);
+void collect_evdev_devices()
-    }
+{
-  if ((evdev_fd = open(input_evdev_name, O_RDONLY)) < 0)
-    {
+  char event_dev_path[]="/dev/input/";
-      printf(" cant open %s for reading!",input_evdev_name);
+  struct direct **files;
+  evdevs_count = scandir(event_dev_path, &files, file_select, NULL);
+  printf("%d inputs found in %s\n" , evdevs_count,event_dev_path);
-      return 0;
+  int i=0;
+  for (i=1;i<evdevs_count+1;++i)
+    {
-    }
+      printf("%s",files[i-1]->d_name);
       sprintf(evdevs[i].fname,"%s%s",event_dev_path,files[i-1]->d_name);
-  ioctl(evdev_fd,EVIOCGID,&device_info);
+      int act_fd;
-  printf("vendor 0x%04hx product 0x%04hx version 0x%04hx \n",
+      if ((act_fd = open(evdevs[i].fname, O_RDONLY)) < 0)
          device_info.vendor, device_info.product,
-         device_info.version);
+          printf(" cant open %s for reading!",evdevs[i].name);
+        }
-  char name[256]= "Unknown";
+      else
+        {
-  if(ioctl(evdev_fd, EVIOCGNAME(sizeof(name)), name) < 0) {
+          if(ioctl(act_fd , EVIOCGNAME(sizeof(evdevs[i].name)), evdevs[i].name) < 0) {
-    perror("evdev ioctl");
+            perror("evdev ioctl");
+          }
+          printf("EVDEV reports name: %s\n", evdevs[i].name);
+          close(act_fd);
+        }
-  printf("EVDEV reports name: %s\n", name);
-  /* this macro is used to tell if "bit" is set in "array"
-   * it selects a byte from the array, and does a boolean AND
-   * operation with a byte that only has the relevant bit set.
+      /*
+      FILE *fp=NULL ;
+      sprintf(evdevs[i].fname,"/sys/class/input/%s/name",files[i-1]->d_name);
-   * eg. to check for the 12th bit, we do (array[1] & 1<<4)
+      fp = fopen ( evdevs[i].fname, "r") ;
+      if (fp==NULL)
+        {
+          printf("cannot read %s\n",evdevs[i].fname);
+          //  exit(1);
+        }
+      int ch=-2;
-   */
+      int str_pos=0;
+      while ( (ch!=-1) && (ch!='\n') )
+        {
+          ch = fgetc ( fp ) ;
+          if ((ch!=13)&&(ch!=10))evdevs[i].name[str_pos++]=ch;
-    uint8_t evtype_bitmask[EV_MAX/8 + 1];
+          printf("%c",ch);
-    if(ioctl(evdev_fd, EVIOCGBIT(0, sizeof(evtype_bitmask)), evtype_bitmask) < 0)
-      perror("evdev ioctl");
+        }
+      fclose(fp);
+      evdevs[i].name[str_pos++]=0;
+      */
-     printf("Supported event types:\n");
+    }
      int i;
-     for (i = 0; i < EV_MAX; i++) {
        if (test_bit(i, evtype_bitmask)) {
-         /* this means that the bit is set in the event types list */
+void print_event_str(int id)
-         printf("  Event type 0x%02x ", i);
+{
-         switch ( i)
+  switch ( id)
+    {
-           case EV_KEY :
+    case EV_KEY :
-             printf(" (Keys or Buttons)\n");
+      printf("Keys or Button\n");
-             break;
+      break;
-           case EV_ABS :
+    case EV_ABS :
-             printf(" (Absolute Axes)\n");
+      printf("Absolute Axis\n");
-             break;
+      break;
-           case EV_LED :
+    case EV_LED :
-             printf(" (LEDs)\n");
+      printf("LED(s)\n");
-             break;
+      break;
-           case EV_REP :
+    case EV_REP :
-             printf(" (Repeat)\n");
+      printf("Repeat\n");
-             break;
+      break;
-           case EV_SYN :
+    case EV_SYN :
-             printf(" (Sync?)\n");
+      printf("Sync?\n");
-             break;
+      break;
-           case EV_REL :
+    case EV_REL :
-             printf(" (Relative Axis)\n");
+      printf("Relative Axis\n");
+      break;
+    case EV_MSC :
+      printf("Misc\n");
+      break;
+    default:
+      printf("Unknown event type ( 0x%04hx)\n", id);
+    }
+  return "";
+}
+int connect_evdev()
+{
+  struct input_devinfo {
+    uint16_t bustype;
+    uint16_t vendor;
+    uint16_t product;
+    uint16_t version;
+  };
+  struct input_devinfo device_info;
+  int i;
+  for ( i =0 ; i< input_count;i++)
+    {
+      inputs[i].evdev_rel_axis = (int *) calloc( 100, sizeof( int ) );
+      inputs[i].evdev_button = (char *)calloc( 500, sizeof( char ) );
+      if ((inputs[i].evdev_out_fd = open(inputs[i].fname, O_WRONLY)) < 0)
+        {
+          printf(" cant open %s for writing\n",inputs[i].fname);
+        }
+      if ((inputs[i].evdev_in_fd = open(inputs[i].fname, O_RDONLY)) < 0)
+        {
+          printf(" cant open %s for reading!",inputs[i].fname);
+          return 0;
+        }
+      ioctl(inputs[i].evdev_in_fd ,EVIOCGID,&device_info);
+      printf("vendor 0x%04hx product 0x%04hx version 0x%04hx \n",
+             device_info.vendor, device_info.product,
+             device_info.version);
+      uint8_t evtype_bitmask[EV_MAX/8 + 1];
+      if(ioctl(inputs[i].evdev_in_fd , EVIOCGBIT(0, sizeof(evtype_bitmask)), evtype_bitmask) < 0)
+        perror("evdev ioctl");
+      printf("Supported event types:\n");
+      int i;
-             break;
+      for (i = 0; i < EV_MAX; i++) {
-           case EV_MSC :
+        if (test_bit(i, evtype_bitmask)) {
-             printf(" (Misc)\n");
+          /* this means that the bit is set in the event types list */
-             break;
+          printf("  Event type 0x%02x ", i);
            default:
-             printf(" (Unknown event type: 0x%04hx)\n", i);
+          print_event_str(i);
-           }}}
+        }}
+    }
   return 1;
+}
 /*
 int init_evdevstatus_led()
+{
   led_event.type=EV_LED;
   led_event.code = LED_MISC;
   led_event.value = 1;
   if (evdev_out_fd)
     retval = write(evdev_out_fd, &led_event, sizeof(struct input_event));
   return 1;
+}
 int blink_evdev_led()
+{
   if (evdev_out_fd)
+    {
       if (led_event.value)
         led_event.value = 0;
       else
         led_event.value = 1 ;
       retval = write(evdev_out_fd, &led_event, sizeof(struct input_event));
+    }
   return 1;
+}
+*/
 int poll_evdev()
+{
+  printf("polling evdev\n");
+  int i;
+  for ( i =0 ; i< input_count;i++)
+    {
-  struct timeval tv;
+      struct timeval tv = {0,5};
-  fd_set rfds;
+      fd_set rfds;
-  FD_ZERO(&rfds);
+      FD_ZERO(&rfds);
-  FD_SET(evdev_fd,&rfds);
+      FD_SET(inputs[i].evdev_in_fd,&rfds);
-  tv.tv_sec = 0;
-  tv.tv_usec = 5;
-  retval = select(evdev_fd+1, &rfds, NULL, NULL, &tv);
+      retval = select(inputs[i].evdev_in_fd+1, &rfds, NULL, NULL, &tv);
-  if (retval==-1)
+      if (retval==-1)
-    printf("error in select!!!!!!!!\n");
+        printf("error in select!!!!!!!!\n");
-  else if (retval)
+      else if (retval)
+        {
-      read_bytes = read(evdev_fd, ev, sizeof(struct input_event) * 64);
+          read_bytes = read(inputs[i].evdev_in_fd, ev, sizeof(struct input_event) * 64);
-      if (read_bytes < (int) sizeof(struct input_event)) {
+          if (read_bytes < (int) sizeof(struct input_event)) {
-        perror("evtest: short read");
+            perror("evtest: short read");
-        exit (1);
+            exit (1);
+}
-      for (counter = 0; counter < (int) (read_bytes / sizeof(struct input_event)); counter++)
+          for (counter = 0; counter < (int) (read_bytes / sizeof(struct input_event)); counter++)
+            {
+              //print_event_str(ev[counter].type);
-          printf("%d type:%d code:%d val:%d \n",counter,ev[counter].type,ev[counter].code,ev[counter].value);
+              //              printf(" code:%d val:%d \n",ev[counter].code,ev[counter].value);
-          //      if (ev[counter].type==EV_REL) evdev_rel_axis[ ev[counter].code]= ev[counter].value;
+              //          if (ev[counter].type==EV_REL) evdev_rel_axis[ ev[counter].code]= ev[counter].value;
-          // for logitech problem
+              // for logitech problem
-          if (ev[counter].type==EV_REL) evdev_rel_axis[ ev[counter].code]= ev[counter].value;
+              if (ev[counter].type==EV_REL) inputs[i].evdev_rel_axis[ ev[counter].code]= ev[counter].value;
-          if (ev[counter].type==EV_KEY) evdev_button[ ev[counter].code-256]= ev[counter].value;
+              if (ev[counter].type==EV_KEY) inputs[i].evdev_button[ ev[counter].code]= ev[counter].value;
+            }
-      for (counter=0;counter<20;counter++)
+          for (counter=0;counter<20;counter++)
-        printf("A%d %d -" , counter, evdev_rel_axis[counter] );
+            printf("A%d %d -" , counter, inputs[i].evdev_rel_axis[counter] );
-      printf("\n");
+          printf("\n");
-      for (counter=0;counter<10;counter++)
+          for (counter=0;counter<10;counter++)
-        printf("B%d %d -" , counter, evdev_button[counter] );
+            printf("B%d %d -" , counter, inputs[i].evdev_button[counter] );
-      //                printf("input read done: nick:%d roll:%d gier:%d gas:%d\n",axis[3] , axis[4] , axis[5] , axis[2]);
+          //            printf("input read done: nick:%d roll:%d gier:%d gas:%d\n",axis[3] , axis[4] , axis[5] , axis[2]);
+        }
-  else
+      else
-    printf("no data from evdev data from evdev: \n");
+        printf("no data from evdev data from evdev: \n");
+    }
   return 1;
+}

Subversion Repositories Projects

(root)/Riddim/evdev_handler.c - Rev 140 → 483