platform/ixus100_sd780/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     /* tiny bug: key order matters. see kbd_get_pressed_key()
  12      * for example
  13      */
  14 
  15         //SD780 - Keymap
  16         { 0, KEY_UP             , 0x00000008 },
  17         { 0, KEY_DOWN           , 0x00000004 },
  18         { 0, KEY_LEFT           , 0x00000001 },
  19         { 0, KEY_RIGHT          , 0x00000002 },
  20 
  21         { 1, KEY_SET            , 0x00004000 },
  22         { 1, KEY_MENU           , 0x00000800 },
  23 //      { 1, KEY_POWER          , 0x00010000 },  //SD780 Power button
  24         { 1, KEY_PLAYBACK       , 0x00080000 },  //SD780 Play button
  25 
  26         //xxxf --> xxxd when in movie mode by switch
  27         //xxxxxxx4 --> xxxxxxx5 when in lens extended recording mode
  28 
  29         { 2, KEY_SHOOT_FULL     , 0x00001001 },
  30         { 2, KEY_SHOOT_FULL_ONLY, 0x00001000 },
  31         { 2, KEY_SHOOT_HALF     , 0x00000001 },
  32         { 2, KEY_ZOOM_IN        , 0x00004000 },
  33         { 2, KEY_ZOOM_OUT       , 0x00002000 },
  34         { 2, KEY_DISPLAY        , 0x00000040 },
  35         { 0, 0, 0 }
  36 };
  37 
  38 int get_usb_bit() 
  39 {
  40         long usb_physw[3];
  41         usb_physw[USB_IDX] = 0;
  42         _kbd_read_keys_r2(usb_physw);
  43         return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ; 
  44 }
  45 
  46 void kbd_fetch_data(long*);
  47 
  48 long __attribute__((naked)) wrap_kbd_p1_f();
  49 
  50 // no stack manipulation needed here, since we create the task directly
  51 void __attribute__((noinline))
  52 mykbd_task()
  53 {
  54     while (physw_run){
  55         _SleepTask(10);
  56 
  57         if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  58             _kbd_p2_f();
  59         }
  60     }
  61 
  62     _ExitTask();
  63 }
  64 
  65 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
  66 {
  67 
  68     asm volatile(
  69                 "STMFD   SP!, {R1-R5,LR}\n"
  70                 "MOV     R4, #0\n"
  71                 "BL      my_kbd_read_keys\n"
  72                 "B       _kbd_p1_f_cont\n"
  73     );
  74     return 0; // shut up the compiler
  75 }
  76 
  77 
  78 void my_kbd_read_keys()
  79 {
  80     kbd_update_key_state();
  81 
  82     _kbd_read_keys_r2(physw_status);
  83 
  84     kbd_update_physw_bits();
  85 }
  86 
  87 
  88 void kbd_fetch_data(long *dst)
  89 {
  90         //SD780 0xFF8431EC GetKbdState
  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/ixus100_sd780/kbd.c

DEFINITIONS
