root/platform/ixus120_sd940/kbd.c

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DEFINITIONS

This source file includes following definitions.
  1. get_usb_bit
  2. wrap_kbd_p1_f
  3. mykbd_task
  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 extern void _GetKbdState(long *dst);
  11 
  12 int get_usb_bit() 
  13 {
  14     long usb_physw[3];
  15     usb_physw[USB_IDX] = 0;
  16     _kbd_read_keys_r2(usb_physw);
  17     return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ; 
  18 }
  19 
  20 KeyMap keymap[] = {
  21     /* tiny bug: key order matters. see kbd_get_pressed_key() */
  22     { 2, KEY_PLAYBACK   ,     0x00000800 },
  23     { 2, KEY_SHOOT_FULL ,     0x00000300 },
  24     { 2, KEY_SHOOT_FULL_ONLY, 0x00000200 },
  25     { 2, KEY_SHOOT_HALF ,     0x00000100 },
  26     { 2, KEY_UP         ,     0x00000080 },
  27     { 2, KEY_DOWN       ,     0x00000040 },
  28     { 2, KEY_LEFT       ,     0x00000010 },
  29     { 2, KEY_RIGHT      ,     0x00000020 },
  30     { 2, KEY_ZOOM_IN    ,     0x00000004 },
  31     { 2, KEY_ZOOM_OUT   ,     0x00000008 },
  32     { 2, KEY_MENU       ,     0x00000001 },
  33     { 0, KEY_DISPLAY    ,     0x00000008 },
  34     { 0, KEY_SET        ,     0x00000004 },
  35     /*
  36     { 2, KEY_PWR_SHOOT      , 0x00000400 },
  37     { 2, KEY_BATTERY_DOOR   , 0x00008000 },
  38     { 0, KEY_SW_AUTO        , 0x00000001 },
  39     { 0, KEY_SW_MANUAL      , 0x00000000 },
  40     { 0, KEY_SW_VIDEO       , 0x00000002 },
  41     */
  42     { 0, 0, 0 }
  43 };
  44 
  45 
  46 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
  47 {
  48     asm volatile(
  49                 "STMFD   SP!, {R1-R5,LR}\n"
  50                 "MOV     R4, #0\n"
  51                 "BL      my_kbd_read_keys\n"
  52                 "B       _kbd_p1_f_cont\n"
  53     );
  54     return 0; // shut up the compiler
  55 }
  56 
  57 void __attribute__((noinline)) mykbd_task()
  58 {
  59     while (physw_run){
  60         _SleepTask(10);
  61 
  62         if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  63             _kbd_p2_f();
  64         }
  65     }
  66     _ExitTask();
  67 }
  68 
  69 
  70 void my_kbd_read_keys()
  71 {
  72     kbd_update_key_state();
  73 
  74     _kbd_read_keys_r2(physw_status);
  75 
  76     kbd_update_physw_bits();
  77 }
  78 
  79 
  80 void kbd_fetch_data(long *dst)
  81 {
  82     _GetKbdState(dst);
  83     _kbd_read_keys_r2(dst);
  84 }
  85 

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