root/platform/ixus132_elph115/kbd.c

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DEFINITIONS

This source file includes following definitions.
  1. get_usb_bit
  2. mykbd_task_proceed
  3. mykbd_task
  4. wrap_kbd_p1_f
  5. my_kbd_read_keys
  6. 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 // from sig finder
  11 KeyMap keymap[] = {
  12     { 2, KEY_POWER           ,0x00000001 }, // Found @0xff4fb3e8, levent 0x100
  13     { 2, KEY_PLAYBACK        ,0x00000002 }, // Found @0xff4fb3f0, levent 0x101
  14     { 2, KEY_SHOOT_FULL      ,0x0000000c }, // Found @0xff4fb400, levent 0x01
  15     { 2, KEY_SHOOT_FULL_ONLY ,0x00000008 }, // Found @0xff4fb400, levent 0x01
  16     { 2, KEY_SHOOT_HALF      ,0x00000004 }, // Found @0xff4fb3f8, levent 0x00
  17     { 2, KEY_ZOOM_IN         ,0x00000010 },
  18     { 2, KEY_ZOOM_OUT        ,0x00000040 },
  19     { 2, KEY_UP              ,0x00000080 },
  20     { 2, KEY_DOWN            ,0x00000100 },
  21     { 2, KEY_RIGHT           ,0x00000200 },
  22     { 2, KEY_LEFT            ,0x00000400 },
  23     { 2, KEY_SET             ,0x00001000 },
  24     { 2, KEY_MENU            ,0x00002000 },
  25     { 2, KEY_VIDEO           ,0x00004000 },
  26     { 0, 0, 0 }
  27 };
  28 // NOTE auto/manual switch is 0x8000 in word index 2 (auto = on)
  29 
  30 int get_usb_bit()
  31 {
  32     long usb_physw[3];
  33     usb_physw[USB_IDX] = 0;
  34     _kbd_read_keys_r2(usb_physw);
  35     return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ;
  36 }
  37 
  38 
  39 void kbd_fetch_data(long*);
  40 
  41 long __attribute__((naked)) wrap_kbd_p1_f();
  42 
  43 static void __attribute__((noinline)) mykbd_task_proceed()
  44 {
  45 }
  46 
  47 // no stack manipulation needed here, since we create the task directly
  48 void __attribute__((noinline))
  49 mykbd_task()
  50 {
  51     while (physw_run){
  52         _SleepTask(physw_sleep_delay);
  53 
  54         if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  55             _kbd_p2_f();
  56         }
  57     }
  58 
  59     _ExitTask();
  60 }
  61 
  62 
  63 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
  64 {
  65 
  66     asm volatile(
  67                 "STMFD   SP!, {R1-R7,LR}\n"
  68                 "MOV     R5, #0\n"
  69                 "BL      my_kbd_read_keys\n"
  70                 "B       _kbd_p1_f_cont\n"
  71     );
  72     return 0; // shut up the compiler
  73 }
  74 
  75 
  76 void my_kbd_read_keys()
  77 {
  78     kbd_update_key_state();
  79 
  80     _kbd_read_keys_r2(physw_status);
  81 
  82     kbd_update_physw_bits();
  83 }
  84 
  85 void kbd_fetch_data(long *dst)
  86 {
  87     // GetKbdState
  88     volatile long *mmio0 = (void*)0xc0220200;
  89     volatile long *mmio1 = (void*)0xc0220204;
  90     volatile long *mmio2 = (void*)0xc0220208;
  91 
  92     dst[0] = *mmio0;
  93     dst[1] = *mmio1;
  94     dst[2] = *mmio2 & 0xffff;
  95 }

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