platform/a3000/kbd.c

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This source file includes following definitions.
get_usb_bit
mykbd_task
wrap_kbd_p1_f
my_kbd_read_keys
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     (void)ua; (void)ub; (void)uc; (void)ud; (void)ue; (void)uf;
  42         /* Initialize our own kbd_new_state[] array with the
  43            current physical status. 
  44            */
  45     // TODO not clear if canon firmware would have initialized at this point?
  46         kbd_new_state[0] = physw_status[0];
  47         kbd_new_state[1] = physw_status[1];
  48         kbd_new_state[2] = physw_status[2];
  49 
  50         while (physw_run){ 
  51                 _SleepTask(10);
  52                 if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  53                         _kbd_p2_f();
  54                 }
  55     }
  56     _ExitTask();
  57 }
  58 
  59 
  60 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
  61 {
  62     asm volatile(
  63                 "STMFD   SP!, {R1-R5,LR}\n"
  64                 "MOV     R4, #0\n"
  65                 "BL      my_kbd_read_keys\n"
  66                 "B       _kbd_p1_f_cont\n"      
  67 
  68     );
  69  return 0; // shut up the compiler
  70 }
  71 
  72 void my_kbd_read_keys()
  73 { 
  74     _kbd_pwr_on();
  75 
  76     kbd_update_key_state();
  77 
  78     _kbd_read_keys_r2(physw_status);
  79 
  80     kbd_update_physw_bits();
  81 
  82 //    NULLSUB'd in stubs_entry_2
  83 //    _kbd_pwr_off();
  84 
  85 }
  86 
  87 
  88 void kbd_fetch_data(long *dst)
  89 {
  90         // OK, FF8470CC
  91     volatile long *mmio0 = (void*)0xc0220200;
  92     volatile long *mmio1 = (void*)0xc0220204;
  93     volatile long *mmio2 = (void*)0xc0220208;
  94 
  95     dst[0] = *mmio0;
  96     dst[1] = *mmio1;
  97     dst[2] = *mmio2;// & 0xffff;
  98 }
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root/platform/a3000/kbd.c

DEFINITIONS
