AcessNative/acesskernel_src/keyboard.c

   1 /*
   2  * Acess2 Native Kernel
   3  *
   4  * Keyboard Driver
   5  */
   6 #include <acess.h>
   7 #include <modules.h>
   8 #include <fs_devfs.h>
   9 #include <api_drv_keyboard.h>
  10 #include "ui.h"
  11
  12 // === PROTOTYPES ===
  13  int    NativeKeyboard_Install(char **Arguments);
  14  int    NativeKeyboard_IOCtl(tVFS_Node *Node, int Id, void *Data);
  15
  16 // === GLOBALS ===
  17 MODULE_DEFINE(0, 0x0100, NativeKeyboard, NativeKeyboard_Install, NULL, NULL);
  18 tDevFS_Driver   gKB_DevInfo = {
  19         NULL, "NativeKeyboard",
  20         {
  21         .NumACLs = 0,
  22         .Size = 0,
  23         .IOCtl = NativeKeyboard_IOCtl
  24         }
  25 };
  26
  27 // === CODE ===
  28 /**
  29  * \brief Install the keyboard driver
  30  */
  31 int NativeKeyboard_Install(char **Arguments)
  32 {
  33         DevFS_AddDevice( &gKB_DevInfo );
  34         return MODULE_ERR_OK;
  35 }
  36
  37 static const char * csaIOCTL_NAMES[] = {
  38         DRV_IOCTLNAMES,
  39         DRV_KEYBAORD_IOCTLNAMES,
  40         NULL
  41 };
  42
  43 /**
  44  * \fn int KB_IOCtl(tVFS_Node *Node, int Id, void *Data)
  45  * \brief Calls an IOCtl Command
  46  */
  47 int NativeKeyboard_IOCtl(tVFS_Node *Node, int Id, void *Data)
  48 {
  49         switch(Id)
  50         {
  51         BASE_IOCTLS(DRV_TYPE_KEYBOARD, "NativeKeyboard", 0x10000, csaIOCTL_NAMES);
  52
  53         // Sets the Keyboard Callback
  54         case KB_IOCTL_SETCALLBACK:
  55                 // Sanity Check
  56                 if(Threads_GetUID() != 0)
  57                         return 0;
  58                 // Can only be set once
  59                 if(gUI_KeyboardCallback != NULL)        return 0;
  60                 // Set Callback
  61                 gUI_KeyboardCallback = Data;
  62                 return 1;
  63
  64         default:
  65                 return 0;
  66         }
  67 }