root/platform/a2500/kbd.c

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DEFINITIONS

This source file includes following 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"
   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 extern void _GetKbdState(long*);
  11 
  12 int get_usb_bit()
  13 {
  14         long usb_physw[3];
  15         usb_physw[USB_IDX] = 0;
  16         _kbd_read_keys_r2(usb_physw);
  17         return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ;
  18 }
  19 
  20 KeyMap keymap[] = {
  21     // Order IS important. kbd_get_pressed_key will walk down this table
  22     // and take the first matching mask. Notice that KEY_SHOOT_HALF is
  23     // always pressed if KEY_SHOOT_FULL is. --MarcusSt
  24     { 2, KEY_HELP            ,0x00008000 }, // Found during brute-force testing.
  25     { 2, KEY_VIDEO           ,0x00004000 }, // Found with CHDK OSD.
  26     { 2, KEY_MENU            ,0x00002000 }, // Found during brute-force testing.
  27     { 2, KEY_SET             ,0x00001000 }, // SET was working as DISPLAY (RIGHT) while testing.
  28     { 2, KEY_LEFT            ,0x00000400 }, // LEFT was working as SET while testing.
  29     { 2, KEY_RIGHT           ,0x00000200 }, // RIGHT was working as MENU while testing.
  30 //  { 2, KEY_FLASH           ,0x00000200 }, // Since Flash and Right are the same key.
  31     { 2, KEY_DOWN            ,0x00000100 }, // DOWN was working as RIGHT while testing.
  32 //  { 2, KEY_DISPLAY         ,0x00000100 }, // Since DOWN and DISPLAY are the same key.
  33     { 2, KEY_UP              ,0x00000080 }, // Found with CHDK OSD.
  34     { 2, KEY_ZOOM_OUT        ,0x00000040 }, // Found with CHDK OSD.
  35     { 2, KEY_ZOOM_IN         ,0x00000010 }, // Confirmed by replacing with KEY_UP.
  36     { 2, KEY_SHOOT_FULL      ,0x0000000c }, // Found @0xffb49154, levent 0x01
  37     { 2, KEY_SHOOT_FULL_ONLY ,0x00000008 }, // Found @0xffb49154, levent 0x01
  38     { 2, KEY_SHOOT_HALF      ,0x00000004 }, // Found @0xffb4914c, levent 0x00
  39     { 2, KEY_PLAYBACK        ,0x00000002 }, // Found @0xffb49144, levent 0x101
  40 //  { 2, KEY_POWER           ,0x00000001 }, // Found @0xffb4913c, levent 0x100
  41     { 0, 0, 0 }
  42 };
  43 
  44 
  45 long __attribute__((naked,noinline)) wrap_kbd_p1_f() {
  46 
  47     //a2500 100a @0xff82af6c
  48     asm volatile(
  49         "STMFD  SP!, {R1-R7,LR} \n"
  50         "MOV    R5, #0 \n"
  51         "BL     my_kbd_read_keys \n"    // pached
  52         "B      _kbd_p1_f_cont \n"
  53     );
  54 
  55     return 0; // shut up the compiler
  56 }
  57 
  58 void __attribute__((noinline)) mykbd_task() {
  59     while (physw_run) {
  60         _SleepTask(physw_sleep_delay);
  61         if (wrap_kbd_p1_f() == 1) {   // autorepeat ?
  62             _kbd_p2_f();
  63         }
  64     }
  65     _ExitTask();
  66 }
  67 
  68 void my_kbd_read_keys() {
  69     kbd_update_key_state();
  70     kbd_update_physw_bits();
  71 }
  72 
  73 void kbd_fetch_data(long *dst)
  74 {
  75     _GetKbdState(dst);
  76     _kbd_read_keys_r2(dst);
  77 }

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