root/platform/ixus95_sd1200/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 "sd1200_debug.h"
   5 #include "kbd_common.h"
   6 
   7 long kbd_new_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   8 long kbd_prev_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   9 long kbd_mod_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
  10 
  11 KeyMap keymap[] = {
  12     /* tiny bug: key order matters. see kbd_get_pressed_key()
  13      * for example
  14      */
  15     { 2, KEY_UP         , 0x00000080 },
  16     { 2, KEY_DOWN       , 0x00000040 },
  17     { 2, KEY_LEFT       , 0x00000010 },
  18     { 2, KEY_RIGHT      , 0x00000020 },
  19     { 2, KEY_SET        , 0x00000100 },
  20     { 2, KEY_SHOOT_FULL , 0x00000003 },
  21     { 2, KEY_SHOOT_FULL_ONLY, 0x00000002 },
  22     { 2, KEY_SHOOT_HALF , 0x00000001 },
  23     { 2, KEY_ZOOM_IN    , 0x00000004 },
  24     { 2, KEY_ZOOM_OUT   , 0x00000008 },
  25     { 2, KEY_MENU       , 0x00000400 },
  26     { 2, KEY_DISPLAY    , 0x00000200 },
  27     { 2, KEY_PLAYBACK   , 0x00000800 },
  28     { 0, 0, 0 }
  29 };
  30 
  31 
  32 int get_usb_bit() 
  33 {
  34         long usb_physw[3];
  35         usb_physw[USB_IDX] = 0;
  36         _kbd_read_keys_r2(usb_physw);
  37         return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ; 
  38 }
  39 
  40 void kbd_fetch_data(long*);
  41 
  42 long __attribute__((naked)) wrap_kbd_p1_f();
  43 
  44 // no stack manipulation needed here, since we create the task directly
  45 void __attribute__((noinline)) mykbd_task()
  46 {
  47     while (physw_run) {
  48         _SleepTask(10);
  49 
  50         if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  51             _kbd_p2_f();
  52         }
  53     }
  54     _ExitTask();
  55 }
  56 
  57 
  58 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
  59 {
  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     return 0; // shut up the compiler
  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 void kbd_fetch_data(long *dst)
  80 {
  81     //SD1200 0xFFC30E04 GetKbdState
  82     //SD780 0xFF8431EC GetKbdState
  83     volatile long *mmio0 = (void*)0xc0220200;
  84     volatile long *mmio1 = (void*)0xc0220204;
  85     volatile long *mmio2 = (void*)0xc0220208;
  86 
  87     dst[0] = *mmio0;
  88     dst[1] = *mmio1;
  89     dst[2] = *mmio2 & 0xffff;
  90 }

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