root/platform/ixus130_sd1400/kbd.c

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"
   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 };
  10 extern void _GetKbdState(long*);
  12 int get_usb_bit()
  13 {
  14     long usb_physw[3];
usb_physw[USB_IDX] = 0;
_kbd_read_keys_r2(usb_physw);
  17     return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK);
  18 }
KeyMap keymap[] = {
  21     { 0, KEY_SET             ,0x00000004 }, // Found @0xffb3ea64, levent 0x08    
  22     { 0, KEY_DISPLAY         ,0x00000008 }, // Found @0xffb3ea70, levent 0x0a 
  23     { 2, KEY_PLAYBACK        ,0x00000800 }, // Found @0xffb3eb00, levent 0x601       
  24     { 2, KEY_UP         , 0x00000080 },
  25     { 2, KEY_DOWN       , 0x00000040 },
  26     { 2, KEY_LEFT       , 0x00000010 },
  27     { 2, KEY_RIGHT      , 0x00000020 },
  28     { 2, KEY_SHOOT_FULL , 0x00000300 },   // 0x00000200(KEY_SHOOT_FULL) + 0x00000100 (KEY_SHOOT_HALF)
  29     { 2, KEY_SHOOT_FULL_ONLY , 0x00000200 }, 
  30     { 2, KEY_SHOOT_HALF , 0x00000100 },
  31     { 2, KEY_ZOOM_IN    , 0x00000004 },
  32     { 2, KEY_ZOOM_OUT   , 0x00000008 },
  33     { 2, KEY_MENU       , 0x00000001 },
  34     { 0, 0, 0 }
  35 };
  38 long __attribute__((naked)) wrap_kbd_p1_f();
  40 // no stack manipulation needed here, since we create the task directly
  41 void __attribute__((noinline)) mykbd_task() {
  42     while (physw_run) {
_SleepTask(10);
  45         if (wrap_kbd_p1_f() == 1) {   // autorepeat ?
_kbd_p2_f();
  47         }
  48     }
_ExitTask();
  50 }
  52 // ROM:FF83484C, like SX110
  53 long __attribute__((naked,noinline)) wrap_kbd_p1_f() {
  54     asm volatile(
  55                 "STMFD   SP!, {R1-R5,LR}\n"
  56                 "MOV     R4, #0\n"
  57                 "BL      _kbd_read_keys\n"       // replaces kbd_fetch_data()
  58                 "BL      my_kbd_read_keys\n"     // +
  59                 "B       _kbd_p1_f_cont\n"       // continue at ROM:FF834858
  60     );
  61     return 0;   // shut up the compiler
  62 }
  64 // like SX110
  65 void my_kbd_read_keys() {
kbd_update_key_state();
kbd_update_physw_bits();
  68 }
  70 void kbd_fetch_data(long *dst)
  71 {
_GetKbdState(dst);
_kbd_read_keys_r2(dst);
  74 }