root/platform/sx150is/kbd.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. get_usb_bit
  2. mykbd_task
  3. wrap_kbd_p1_f
  4. my_kbd_read_keys
  5. kbd_fetch_data
  6. jogdial_control
  7. Get_JogDial
  8. 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 KeyMap keymap[] = {
  11         // Order IS important. kbd_get_pressed_key will walk down this table  
  12         // and take the first matching mask. Notice that KEY_SHOOT_HALF is  
  13         // always pressed if KEY_SHOOT_FULL is. --MarcusSt
  14     { 2, KEY_VIDEO     , 0x00000010 },
  15     { 2, KEY_PRINT     , 0x00000040 }, // playback
  16     { 2, KEY_PLAYBACK  , 0x00000040 }, // alias so script can use it TODO not clear if wee need PRINT version
  17         { 2, KEY_UP        , 0x00000100 },
  18         { 2, KEY_DOWN      , 0x00000200 },
  19         { 2, KEY_RIGHT     , 0x00000400 },
  20         { 2, KEY_LEFT      , 0x00000800 },
  21         { 2, KEY_SET       , 0x00001000 },
  22         { 2, KEY_MENU      , 0x00002000 },
  23         { 2, KEY_DISPLAY   , 0x00004000 },
  24         { 2, KEY_ERASE     , 0x00008000 },
  25         { 1, KEY_ZOOM_IN   , 0x00004000 },
  26         { 1, KEY_ZOOM_OUT  , 0x00008000 },
  27         { 1, KEY_SHOOT_FULL, 0x00003000 },
  28     { 1, KEY_SHOOT_FULL_ONLY, 0x00002000 },
  29         { 1, KEY_SHOOT_HALF, 0x00001000 },
  30         { 0, 0, 0 }
  31 };
  32 
  33 
  34 int jogdial_stopped=0;
  35 
  36 int get_usb_bit() 
  37 {
  38         long usb_physw[3];
  39         usb_physw[USB_IDX] = 0;
  40         _kbd_read_keys_r2(usb_physw);
  41         return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ; 
  42 }
  43 
  44 extern void _GetKbdState(long* buffer);
  45 
  46 long __attribute__((naked)) wrap_kbd_p1_f();
  47 
  48 void __attribute__((noinline))
  49 mykbd_task(long ua, long ub, long uc, long ud, long ue, long uf)
  50 {
  51         
  52         /* Initialize our own kbd_new_state[] array with the
  53            current physical status.
  54            */
  55         kbd_new_state[0] = physw_status[0];
  56         kbd_new_state[1] = physw_status[1];
  57         kbd_new_state[2] = physw_status[2];
  58 
  59         while (physw_run){
  60                 _SleepTask(10);
  61                 
  62                 if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  63                         _kbd_p2_f();
  64                 }
  65     }
  66     /* function can be modified to restore SP here...
  67      */
  68     _ExitTask();
  69 
  70 }
  71 
  72 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
  73 {
  74         // Modified to reflect sx150 code @FF8345D0
  75     asm volatile(
  76                 "STMFD   SP!, {R1-R7,LR}\n"
  77                 "MOV     R5, #0\n"
  78                 "BL      my_kbd_read_keys\n"
  79                 "B       _kbd_p1_f_cont\n"
  80     );
  81 
  82  return 0; // shut up the compiler
  83 }
  84 
  85 
  86 void my_kbd_read_keys()
  87 {
  88     kbd_update_key_state();
  89 
  90     _kbd_read_keys_r2(physw_status);
  91 
  92     kbd_update_physw_bits();
  93 }
  94 
  95 void kbd_fetch_data(long *dst)
  96 {
  97     _GetKbdState(dst);
  98 }
  99 
 100 
 101 void jogdial_control(int n) {
 102     // this camera did not have jog_position defined
 103     /*
 104     if (jogdial_stopped && !n) {
 105         // If re-enabling jogdial set the task code current & previous positions to the actual
 106         // dial positions so that the change won't get processed by the firmware
 107         jog_position[0] = jog_position[2] = rear_dial_position;   // Rear dial
 108     }
 109     */
 110     jogdial_stopped = n;
 111 }
 112 
 113 int Get_JogDial(void) {
 114  return (*(int*)0xC0240104)>>16;
 115 }
 116 
 117 
 118 long get_jogdial_direction(void) {
 119         static int new_jogdial = 0;
 120         int old_jogdial = 0;
 121 
 122         old_jogdial = new_jogdial;
 123         new_jogdial = Get_JogDial();
 124 
 125         if (old_jogdial < new_jogdial)
 126                 return JOGDIAL_LEFT;
 127         else if (old_jogdial > new_jogdial)
 128                 return JOGDIAL_RIGHT;
 129         else
 130                 return 0;
 131 }

/* [<][>][^][v][top][bottom][index][help] */