root/platform/a3000/kbd.c

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DEFINITIONS

This source file includes following definitions.
  1. get_usb_bit
  2. mykbd_task
  3. wrap_kbd_p1_f
  4. my_kbd_read_keys
  5. 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 //      { grp,       hackkey, canonkey  }
  12         { 2, KEY_UP                             , 0x00000010 },
  13         { 2, KEY_DOWN                   , 0x00000020 },
  14         { 2, KEY_LEFT                   , 0x00000080 },
  15         { 2, KEY_RIGHT                  , 0x00000040 },
  16         { 2, KEY_SET                    , 0x00000100 },
  17         { 2, KEY_SHOOT_FULL             , 0x00000003 },
  18         { 2, KEY_SHOOT_FULL_ONLY, 0x00000002 },
  19         { 2, KEY_SHOOT_HALF             , 0x00000001 },
  20         { 2, KEY_ZOOM_IN                , 0x00000004 },
  21         { 2, KEY_ZOOM_OUT               , 0x00000008 },
  22         { 2, KEY_MENU                   , 0x00000200 },
  23         { 2, KEY_DISPLAY                , 0x00000400 },
  24         { 2, KEY_PRINT                  , 0x00000800 }, // Face Key
  25         { 0, 0, 0 }
  26 };
  27 
  28 int get_usb_bit() 
  29 {
  30         long usb_physw[3];
  31         usb_physw[USB_IDX] = 0;
  32         _kbd_read_keys_r2(usb_physw);
  33         return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK); 
  34 }
  35 
  36 long __attribute__((naked)) wrap_kbd_p1_f();
  37 
  38 void __attribute__((noinline))
  39 mykbd_task(long ua, long ub, long uc, long ud, long ue, long uf)
  40 {
  41         /* Initialize our own kbd_new_state[] array with the
  42            current physical status. 
  43            */
  44     // TODO not clear if canon firmware would have initialized at this point?
  45         kbd_new_state[0] = physw_status[0];
  46         kbd_new_state[1] = physw_status[1];
  47         kbd_new_state[2] = physw_status[2];
  48 
  49         while (physw_run){ 
  50                 _SleepTask(10);
  51                 if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  52                         _kbd_p2_f();
  53                 }
  54     }
  55     _ExitTask();
  56 }
  57 
  58 
  59 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
  60 {
  61     asm volatile(
  62                 "STMFD   SP!, {R1-R5,LR}\n"
  63                 "MOV     R4, #0\n"
  64                 "BL      my_kbd_read_keys\n"
  65                 "B       _kbd_p1_f_cont\n"      
  66 
  67     );
  68  return 0; // shut up the compiler
  69 }
  70 
  71 void my_kbd_read_keys()
  72 { 
  73     _kbd_pwr_on();
  74 
  75     kbd_update_key_state();
  76 
  77     _kbd_read_keys_r2(physw_status);
  78 
  79     kbd_update_physw_bits();
  80 
  81 //    NULLSUB'd in stubs_entry_2
  82 //    _kbd_pwr_off();
  83 
  84 }
  85 
  86 
  87 void kbd_fetch_data(long *dst)
  88 {
  89         // OK, FF8470CC
  90     volatile long *mmio0 = (void*)0xc0220200;
  91     volatile long *mmio1 = (void*)0xc0220204;
  92     volatile long *mmio2 = (void*)0xc0220208;
  93 
  94     dst[0] = *mmio0;
  95     dst[1] = *mmio1;
  96     dst[2] = *mmio2;// & 0xffff;
  97 }

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