root/platform/sx510hs/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. jogdial_control
  5. my_kbd_read_keys
  6. kbd_fetch_data
  7. get_jogdial_direction

   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     long usb_physw[3];
  14     usb_physw[USB_IDX] = 0;
  15     _kbd_read_keys_r2(usb_physw);
  16     return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ;
  17 }
  18 
  19 KeyMap keymap[] = {
  20     // Order IS important. kbd_get_pressed_key will walk down this table
  21     // and take the first matching mask. Notice that KEY_SHOOT_HALF is
  22     // always pressed if KEY_SHOOT_FULL is. --MarcusSt
  23 //TODO
  24     { 0, KEY_ERASE           ,0x00080000 },
  25     { 0, KEY_DISPLAY         ,0x00040000 },
  26     { 0, KEY_VIDEO           ,0x00020000 },
  27     { 0, KEY_LEFT            ,0x00010000 },
  28     { 0, KEY_MENU            ,0x00008000 },
  29     { 0, KEY_RIGHT           ,0x00002000 },
  30     { 0, KEY_SET             ,0x00001000 },
  31     { 0, KEY_UP              ,0x00000400 },
  32     { 0, KEY_DOWN            ,0x00000800 },
  33     { 0, KEY_ZOOM_IN         ,0x00000100 },
  34     { 0, KEY_ZOOM_OUT        ,0x00000040 },
  35     { 2, KEY_SHOOT_FULL      ,0x00000600 },
  36     { 2, KEY_SHOOT_FULL_ONLY ,0x00000400 },
  37     { 2, KEY_SHOOT_HALF      ,0x00000200 },
  38     { 2, KEY_PLAYBACK        ,0x00000008 },
  39     { 0, 0, 0 }
  40 };
  41 
  42 
  43 int jogdial_stopped=0;
  44 
  45 long __attribute__((naked,noinline)) wrap_kbd_p1_f() {
  46 
  47     //sx510 101a found @ 0xff00c114
  48     asm volatile(
  49         "STMFD   SP!, {R1-R7,LR}\n"
  50         "MOV     R5, #0\n"
  51         "BL      my_kbd_read_keys\n"
  52         "B       _kbd_p1_f_cont\n"
  53     );
  54 
  55     return 0;
  56 }
  57 
  58 // no stack manipulation needed here, since we create the task directly
  59 void __attribute__((noinline)) mykbd_task() {
  60     while (physw_run){
  61         _SleepTask(physw_sleep_delay);
  62 
  63         if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  64             _kbd_p2_f();
  65         }
  66     }
  67 
  68     _ExitTask();
  69 }
  70 
  71 // Pointer to stack location where jogdial task records previous and current
  72 // jogdial positions
  73 extern short* jog_position;
  74 extern short rear_dial_position;
  75 
  76 void jogdial_control(int n) {
  77     if (jogdial_stopped && !n) {
  78         // If re-enabling jogdial set the task code current & previous positions to the actual
  79         // dial positions so that the change won't get processed by the firmware
  80         jog_position[0] = jog_position[2] = rear_dial_position;   // Rear dial
  81     }
  82     jogdial_stopped = n;
  83 }
  84 
  85 void my_kbd_read_keys()
  86 {
  87     kbd_update_key_state();
  88     kbd_update_physw_bits();
  89 }
  90 
  91 void kbd_fetch_data(long *dst)
  92 {
  93     _GetKbdState(dst);
  94     _kbd_read_keys_r2(dst);
  95 }
  96 
  97 static short new_jogdial = 0, old_jogdial = 0;
  98 
  99 long get_jogdial_direction(void)
 100 {
 101     old_jogdial = new_jogdial;
 102     new_jogdial = rear_dial_position;
 103 
 104     if      (old_jogdial > new_jogdial)     return JOGDIAL_LEFT;
 105     else if (old_jogdial < new_jogdial)     return JOGDIAL_RIGHT;
 106     else                                    return 0;
 107 }

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