platform/ixus185_elph185/kbd.c

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
get_usb_bit
get_analog_av_bit
wrap_kbd_p1_f
mykbd_task
xtra_kbd_cb
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 extern void _GetKbdState(long *);
   7 
   8 long kbd_new_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   9 long kbd_prev_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
  10 long kbd_mod_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
  11 
  12 KeyMap keymap[] = { // copy from ixus175_elph180
  13     { 0, KEY_VIDEO           ,0x00000002 },
  14 //    { 0, KEY_POWER           ,0x00000020 },
  15     { 0, KEY_PLAYBACK        ,0x00000040 },
  16     { 0, KEY_SET             ,0x00000100 },
  17     { 0, KEY_UP              ,0x00000200 },
  18     { 0, KEY_RIGHT           ,0x00000400 },
  19     { 0, KEY_DOWN            ,0x00000800 },
  20     { 0, KEY_LEFT            ,0x00001000 },
  21     { 0, KEY_ERASE           ,0x00004000 }, // actually "auto zoom"
  22     { 0, KEY_MENU            ,0x00008000 },
  23     { 2, KEY_SHOOT_FULL      ,0x00000003 },
  24     { 2, KEY_SHOOT_FULL_ONLY ,0x00000002 },
  25     { 2, KEY_SHOOT_HALF      ,0x00000001 },
  26     { 2, KEY_ZOOM_OUT        ,0x00000010 },
  27     { 2, KEY_ZOOM_IN         ,0x00000020 },
  28     { 0, 0, 0 }
  29 };
  30 
  31 int get_usb_bit()
  32 {
  33     long usb_physw[3];
  34     usb_physw[USB_IDX] = 0;
  35     _kbd_read_keys_r2(usb_physw);
  36     return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK);
  37 }
  38 
  39 int get_analog_av_bit() {
  40     long av_physw[3];
  41     av_physw[ANALOG_AV_IDX] = 0;
  42     _GetKbdState(av_physw);
  43     return( ((av_physw[ANALOG_AV_IDX] & ANALOG_AV_FLAG)==ANALOG_AV_FLAG)?0:1) ;
  44 }
  45 
  46 long __attribute__((naked,noinline)) wrap_kbd_p1_f() {
  47     // ixus150 100c 0xff82bdf8
  48     asm volatile(
  49         "STMFD  SP!, {R1-R7,LR} \n"
  50         "MOV    R5, #0 \n"
  51         "BL     my_kbd_read_keys \n"    // patched
  52         //"B      _kbd_p1_f_cont \n"    // -
  53         "B      kbd_p1_f_cont_my \n"    // additional override in boot.c
  54     );
  55 
  56     return 0; // shut up the compiler
  57 }
  58 
  59 void __attribute__((naked,noinline)) mykbd_task() {
  60     while (physw_run) {
  61         _SleepTask(physw_sleep_delay);
  62         if (wrap_kbd_p1_f() == 1) {   // autorepeat ?
  63             _kbd_p2_f();
  64         }
  65     }
  66     _ExitTask();
  67 }
  68 
  69 static long kbdxtra = 0;
  70 
  71 // callback, to be called from kbd_p1_f_cont_my (see boot.c)
  72 long xtra_kbd_cb()
  73 {
  74     if (kbdxtra)
  75     {
  76         kbdxtra = 0;
  77         return physw_status[2] & 0xffff; // firmware specific value, see 0xff86ba38 in 100c
  78     }
  79     return -1;
  80 }
  81 
  82 void my_kbd_read_keys() {
  83     long status = kbd_update_key_state();
  84 
  85     if (status)
  86     {
  87         kbdxtra = 1;
  88     }
  89 
  90     kbd_update_physw_bits();
  91 }
  92 
  93 void kbd_fetch_data(long *dst)
  94 {
  95     _GetKbdState(dst);
  96     _kbd_read_keys_r2(dst);
  97 }
/* [<][>][^][v][top][bottom][index][help] */
root/platform/ixus185_elph185/kbd.c

DEFINITIONS
