root/platform/tx1/kbd.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. get_usb_bit
  2. mykbd_task_proceed
  3. mykbd_task
  4. wrap_kbd_p1_f
  5. my_kbd_read_keys
  6. kbd_fetch_data

   1 #include "lolevel.h"
   2 #include "platform.h"
   3 #include "keyboard.h"
   4 #include "kbd_common.h"
   5 
   6 long kbd_new_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   7 long kbd_prev_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   8 long kbd_mod_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   9 
  10 KeyMap keymap[] = {
  11         {1, KEY_UP            , 0x00000001 },
  12         {1, KEY_DOWN    , 0x00000002 },
  13         {1, KEY_LEFT    , 0x00000008 },
  14         {1, KEY_RIGHT   , 0x00000004 },
  15         {1, KEY_SET           , 0x00000010 },
  16         {2, KEY_SHOOT_FULL, 0x00003000 }, // note 3 here!
  17     {2, KEY_SHOOT_FULL_ONLY, 0x00002000 },
  18         {2, KEY_SHOOT_HALF, 0x00001000 },
  19         {1, KEY_ZOOM_IN , 0x00040000 },
  20         {1, KEY_ZOOM_OUT  , 0x00010000 },
  21         {1, KEY_MENU    , 0x00000400 },
  22         {1, KEY_DISPLAY , 0x00000200 },
  23         {1, KEY_PRINT   , 0x00000100 },
  24         {1, KEY_VIDEO   , 0x00000800 },
  25         {0, 0, 0 }
  26 };
  27 
  28 // TODO - special bit used below
  29 #define SCREEN_CLOSED_FLAG 0x100000;
  30 
  31 int get_usb_bit() 
  32 {
  33         long usb_physw[3];
  34         usb_physw[USB_IDX] = 0;
  35         _kbd_read_keys_r2(usb_physw);
  36         return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ; 
  37 }
  38 
  39 #define NEW_SS (0x2000)
  40 
  41 static char kbd_stack[NEW_SS];
  42 
  43 long __attribute__((naked)) wrap_kbd_p1_f();
  44 
  45 static void __attribute__((noinline)) mykbd_task_proceed()
  46 
  47 {
  48     while (physw_run)
  49     {
  50         _SleepTask(10);
  51 
  52         if (wrap_kbd_p1_f() == 1)
  53       {                           // autorepeat ?
  54             _kbd_p2_f();
  55         }
  56     }
  57 }
  58 
  59 
  60 void __attribute__((naked,noinline)) mykbd_task(long ua, long ub, long uc, long ud, long ue, long uf)
  61 {
  62 
  63 
  64     register int i;
  65     register long *newstack;
  66 
  67     newstack = (void*)kbd_stack;
  68 
  69     for (i=0;i<NEW_SS/4;i++)
  70         newstack[i]=0xdededede;
  71 
  72     asm volatile (
  73         "MOV    SP, %0"
  74         :: "r"(((char*)newstack)+NEW_SS)
  75         : "memory"
  76     );
  77 
  78     mykbd_task_proceed();
  79 
  80     _ExitTask();
  81 }
  82 
  83 
  84 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
  85 {
  86 
  87     asm volatile(
  88                 "STMFD   SP!, {R4-R7,LR}\n"
  89                 "SUB     SP, SP, #0xC\n"
  90                 "BL      my_kbd_read_keys\n"
  91                 "B       _kbd_p1_f_cont\n"
  92     );
  93     return 0; // shut up the compiler
  94 }
  95 
  96 
  97 void my_kbd_read_keys()
  98 {
  99     kbd_update_key_state();
 100     kbd_update_physw_bits();
 101         
 102     // TODO special code found in original port kbd.c
 103     // not clear it should always be overriden
 104     physw_status[1] = physw_status[1] & ~ SCREEN_CLOSED_FLAG;
 105 }
 106 
 107 void kbd_fetch_data(long *dst)
 108 {
 109     volatile long *mmio0 = (void*)0xc0220200;
 110     volatile long *mmio1 = (void*)0xc0220204;
 111     volatile long *mmio2 = (void*)0xc0220208;
 112     dst[0] = *mmio0;
 113     dst[1] = *mmio1;
 114     dst[2] = *mmio2 & 0xffff;
 115 
 116     _kbd_read_keys_r2(dst);
 117 }

/* [<][>][^][v][top][bottom][index][help] */