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 tVFS_NodeType   gKB_NodeType = {
  19         .IOCtl = NativeKeyboard_IOCtl
  20 };
  21 tDevFS_Driver   gKB_DevInfo = {
  22         NULL, "NativeKeyboard",
  23         { .Type = &gKB_NodeType }
  24 };
  25
  26 // === CODE ===
  27 /**
  28  * \brief Install the keyboard driver
  29  */
  30 int NativeKeyboard_Install(char **Arguments)
  31 {
  32         DevFS_AddDevice( &gKB_DevInfo );
  33         return MODULE_ERR_OK;
  34 }
  35
  36 static const char * csaIOCTL_NAMES[] = {
  37         DRV_IOCTLNAMES,
  38         DRV_KEYBAORD_IOCTLNAMES,
  39         NULL
  40 };
  41
  42 /**
  43  * \fn int KB_IOCtl(tVFS_Node *Node, int Id, void *Data)
  44  * \brief Calls an IOCtl Command
  45  */
  46 int NativeKeyboard_IOCtl(tVFS_Node *Node, int Id, void *Data)
  47 {
  48         switch(Id)
  49         {
  50         BASE_IOCTLS(DRV_TYPE_KEYBOARD, "NativeKeyboard", 0x10000, csaIOCTL_NAMES);
  51
  52         // Sets the Keyboard Callback
  53         case KB_IOCTL_SETCALLBACK:
  54                 // Sanity Check
  55                 if(Threads_GetUID() != 0)
  56                         return 0;
  57                 // Can only be set once
  58                 if(gUI_KeyboardCallback != NULL)        return 0;
  59                 // Set Callback
  60                 gUI_KeyboardCallback = Data;
  61                 return 1;
  62
  63         default:
  64                 return 0;
  65         }
  66 }