root/platform/ixus170_elph170/kbd.c

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"
   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 // Keymap values for kbd.c. Additional keys may be present, only common values included here.
KeyMap keymap[] = {
  12     { 0, KEY_MENU            ,0x00008000 },
  13     { 0, KEY_HELP            ,0x00004000 },
  14     { 0, KEY_LEFT            ,0x00001000 },
  15     { 0, KEY_DOWN            ,0x00000800 },
  16     { 0, KEY_RIGHT           ,0x00000400 },
  17     { 0, KEY_UP              ,0x00000200 },
  18     { 0, KEY_SET             ,0x00000100 },
  19     { 0, KEY_PLAYBACK        ,0x00000040 },
  20     { 0, KEY_VIDEO           ,0x00000002 },
  21     { 2, KEY_ZOOM_IN         ,0x00000020 },
  22     { 2, KEY_ZOOM_OUT        ,0x00000010 },
  23     { 2, KEY_SHOOT_FULL      ,0x00000003 },
  24     { 2, KEY_SHOOT_FULL_ONLY ,0x00000002 },
  25     { 2, KEY_SHOOT_HALF      ,0x00000001 },
  26     { 0, 0, 0 }
  27 };
  29 int get_usb_bit()
  30 {
  31     long usb_physw[3];
usb_physw[USB_IDX] = 0;
_kbd_read_keys_r2(usb_physw);
  34     return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK);
  35 }
  37 long __attribute__((naked,noinline)) wrap_kbd_p1_f() {
  38     // ixus160 100a 0xff82dce8
  39     asm volatile(
  40         "STMFD  SP!, {R1-R7,LR} \n"
  41         "MOV    R5, #0 \n"
  42         "BL     my_kbd_read_keys \n"    // patched
  43         "B      _kbd_p1_f_cont \n"
  44     );
  46     return 0; // shut up the compiler
  47 }
  49 void __attribute__((naked,noinline)) mykbd_task() {
  50     while (physw_run) {
_SleepTask(physw_sleep_delay);
  52         if (wrap_kbd_p1_f() == 1) {   // autorepeat ?
_kbd_p2_f();
  54         }
  55     }
_ExitTask();
  57 }
  59 void my_kbd_read_keys() {
kbd_update_key_state();
  62 //    _kbd_read_keys_r2(physw_status);
kbd_update_physw_bits();
  65 }
  67 extern void _GetKbdState(long *);
  68 void kbd_fetch_data(long *dst)
  69 {
_GetKbdState(dst);
_kbd_read_keys_r2(dst);
  72 }